{"id":10898,"date":"2026-08-29T23:43:09","date_gmt":"2026-08-29T15:43:09","guid":{"rendered":"https:\/\/q8bbzjnpm5.wpdns.site\/?p=10898"},"modified":"2026-08-29T23:43:09","modified_gmt":"2026-08-29T15:43:09","slug":"scientific-methods-for-selecting-transformers-based-on-the-power-of-electrical-equipment","status":"publish","type":"post","link":"https:\/\/subian-electric.com\/ar\/news\/scientific-methods-for-selecting-transformers-based-on-the-power-of-electrical-equipment\/","title":{"rendered":"\u0637\u0631\u0642 \u0639\u0644\u0645\u064a\u0629 \u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0642\u062f\u0631\u0629 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629"},"content":{"rendered":"<p>\u0643\u0627\u0646\u062a \u0645\u0635\u0646\u0639 \u0646\u0633\u064a\u062c \u0641\u064a \u0641\u064a\u062a\u0646\u0627\u0645 \u0639\u0644\u0649 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\u0627\u0644\u0642\u062f\u0631\u0629. \u0641\u064a \u0627\u0644\u062d\u0627\u0644\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062a\u0636\u0645\u0646 \u0623\u062c\u0647\u0632\u0629 \u0648\u0645\u0639\u062f\u0627\u062a \u062b\u0644\u0627\u062b\u064a\u0629 \u0627\u0644\u0637\u0648\u0631\u060c \u064a\u0645\u0643\u0646 \u0623\u064a\u0636\u064b\u0627 \u062d\u0633\u0627\u0628 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 = (\u221a3 \u00d7 \u0641\u0648\u0644\u062a \u00d7 \u062a\u064a\u0627\u0631) \u00f7 1000. \u062a\u062d\u062a\u0648\u064a \u0644\u0648\u062d\u0629 \u0627\u0633\u0645 \u0627\u0644\u0622\u0644\u0629 \u0639\u0644\u0649 \u062c\u0645\u064a\u0639 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0627\u062c\u0647\u0627: \u0643\u064a\u0644\u0648\u0648\u0627\u062a \u0645\u0635\u0646\u0641\u0629\u060c \u062c\u0647\u062f\u060c \u062a\u064a\u0627\u0631 \u062a\u062d\u0645\u064a\u0644 \u0643\u0627\u0645\u0644 \u0648\u0623\u062d\u064a\u0627\u0646\u064b\u0627 \u0642\u064a\u0645\u0629 \u0643\u0641\u0627\u0621\u0629. \u064a\u062c\u0628 \u0639\u0644\u064a\u0643 \u062f\u0627\u0626\u0645\u064b\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 \u0645\u0646 \u062d\u0627\u0641\u0644\u0629 \u0627\u0644\u0645\u062d\u0648\u0644 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631 \u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062d\u0631\u0643\u060c \u062d\u064a\u062b \u0633\u064a\u0623\u062e\u0630 \u0630\u0644\u0643 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631 \u0623\u064a \u062e\u0633\u0627\u0626\u0631 \u0639\u0628\u0631 \u0627\u0644\u0645\u063a\u0630\u064a\u0627\u062a (\u062e\u0633\u0627\u0626\u0631 2-5% \u0639\u0644\u0649 \u0645\u0633\u0627\u0641\u0627\u062a \u0637\u0648\u064a\u0644\u0629).<\/p>\n<p>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0627\u0644\u062a\u064a \u064a\u064f\u0639\u0631\u0641 \u0641\u064a\u0647\u0627 \u0641\u0642\u0637 \u0642\u062f\u0631\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 \u0627\u0644\u062d\u0635\u0627\u0646\u064a\u0629\u060c \u064a\u062c\u0628 \u062d\u0633\u0627\u0628\u0647\u0627 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u062d\u0648\u064a\u0644 1 hp \u2248 0.746 kW \u0648\u062a\u0642\u0633\u064a\u0645 \u0627\u0644\u0639\u062f\u062f \u0639\u0644\u0649 \u0642\u064a\u0645\u0629 \u0643\u0641\u0627\u0621\u0629 \u0627\u0644\u0645\u062d\u0631\u0643 (\u0639\u0627\u062f\u0629\u064b \u0628\u064a\u0646 0.90 \u0648 0.95). \u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0629\u060c \u064a\u0633\u062a\u0647\u0644\u0643 \u0645\u062d\u0631\u0643 \u0628\u0642\u0648\u0629 100 hp \u062d\u0648\u0627\u0644\u064a 100 \u00d7 0.746 \u00f7 0.93 \u00f7 0.85 \u0646\u062a\u064a\u062c\u0629 \u062a\u0642\u0631\u064a\u0628\u064a\u0629 \u062a\u0628\u0644\u063a 94 kVA \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0648\u062e\u0645\u0633\u0629 \u0625\u0644\u0649 \u062b\u0645\u0627\u0646\u064a\u0629 \u0623\u0636\u0639\u0627\u0641 \u0639\u0646\u062f \u0628\u062f\u0621 \u0627\u0644\u062a\u0634\u063a\u064a\u0644.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0646\u0648\u0639 \u0627\u0644\u0645\u0639\u062f\u0627\u062a<\/th>\n<th>\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/th>\n<th>\u0627\u0644\u062a\u0646\u0648\u0639 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/th>\n<th>kVA \u0644\u0643\u0644 100 kW \u0645\u0646 \u0644\u0648\u062d\u0629 \u0627\u0644\u0627\u0633\u0645<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0627\u0644\u062d\u062b\u064a\u0629 (\u0639\u0627\u0645\u0629)<\/td>\n<td>0.80\u20130.88<\/td>\n<td>0.70\u20130.85<\/td>\n<td>114\u2013125<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u062f\u0641\u0648\u0639\u0629 \u0628\u0648\u0627\u0633\u0637\u0629 VFD<\/td>\n<td>95 (\u0645\u062f\u062e\u0644)<\/td>\n<td>0.70\u20130.80<\/td>\n<td>105<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \/ \u0627\u0644\u0623\u0641\u0631\u0627\u0646<\/td>\n<td>1.00<\/td>\n<td>0.60\u20130.80<\/td>\n<td>100<\/td>\n<\/tr>\n<tr>\n<td>\u0625\u0636\u0627\u0621\u0629 LED<\/td>\n<td>0.95\u20130.99<\/td>\n<td>0.80\u20130.90<\/td>\n<td>101\u2013105<\/td>\n<\/tr>\n<tr>\n<td>\u0622\u0644\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645<\/td>\n<td>0.45\u20130.70<\/td>\n<td>0.30\u20130.50<\/td>\n<td>143\u2013222<\/td>\n<\/tr>\n<tr>\n<td>\u0627\u0644\u0636\u0648\u0627\u063a\u0637 (\u0628\u0631\u063a\u064a)<\/td>\n<td>0.82\u20130.90<\/td>\n<td>0.60\u20130.80<\/td>\n<td>111\u2013122<\/td>\n<\/tr>\n<tr>\n<td>\u0645\u0628\u0631\u062f\u0627\u062a HVAC<\/td>\n<td>0.80\u20130.88<\/td>\n<td>0.70\u20130.90<\/td>\n<td>114\u2013125<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0644\u0627\u062d\u0638 \u0635\u0641 \u0627\u0644\u0644\u062d\u0627\u0645: \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636 \u0648\u0627\u0644\u062a\u0646\u0648\u0639 \u0627\u0644\u0645\u0646\u062e\u0641\u0636 \u062c\u062f\u0627\u064b \u064a\u0639\u0646\u064a \u0623\u0646 \u0627\u0644\u0645\u062d\u0648\u0644 \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0628\u062d\u062c\u0645 \u0646\u0633\u0628\u0629 kVA \u0644\u0643\u0644 kW \u0639\u0627\u0644\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646 \u0627\u0644\u0633\u062d\u0628 \u0627\u0644\u0641\u0639\u0644\u064a \u0627\u0644\u0645\u062a\u0632\u0627\u0645\u0646 \u0635\u063a\u064a\u0631. \u0644\u0647\u0630\u0627 \u0627\u0644\u0633\u0628\u0628 \u062a\u0641\u0634\u0644 \u0627\u0644\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u0639\u0627\u0645\u0629 - \u0641\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0628\u062d\u062b \u0627\u0644\u0639\u0644\u0645\u064a \u062a\u0639\u0645\u0644 \u062f\u0627\u0626\u0645\u0627\u064b \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0641\u0639\u0644\u064a\u0629 \u0644\u0644\u0645\u0639\u062f\u0627\u062a.<\/p>\n<h2 id=\"demand-factors\">\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0637\u0644\u0628 \u0648\u0627\u0644\u062a\u0646\u0648\u0639 \u0648\u0627\u0644\u062a\u0632\u0627\u0645\u0646<\/h2>\n<p>\u062a\u0641\u0633\u0631 \u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0637\u0644\u0628 \u0648\u0627\u0644\u062a\u0646\u0648\u0639 \u0648\u0627\u0644\u062a\u0632\u0627\u0645\u0646 \u062c\u0645\u064a\u0639\u0647\u0627 \u0646\u0641\u0633 \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0628\u064a\u0646 \u0643\u064a\u0641\u064a\u0629 \u062a\u0635\u0631\u0641 \u0627\u0644\u0623\u062d\u0645\u0627\u0644 \u0639\u0646\u062f \u062d\u0627\u0641\u0644\u0629 \u0627\u0644\u0645\u062d\u0648\u0644.<\/p>\n<p>\u064a\u064f\u0639\u0631\u0641 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0637\u0644\u0628 \u0628\u0623\u0646\u0647 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0644\u0637\u0644\u0628 \u0645\u0642\u0633\u0648\u0645\u064b\u0627 \u0639\u0644\u0649 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0645\u062a\u0635\u0644 \u0644\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0648\u0639\u0627\u062f\u0629 \u0645\u0627 \u064a\u0643\u0648\u0646 \u0623\u0642\u0644 \u0645\u0646 \u0648\u0627\u062d\u062f \u0644\u0623\u0646 \u0627\u0644\u062d\u0645\u0644 \u064a\u0645\u064a\u0644 \u0625\u0644\u0649 \u0627\u0644\u0639\u0645\u0644 \u062f\u0648\u0646 \u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u0643\u0627\u0645\u0644\u0629.<\/p>\n<p>\u064a\u064f\u0639\u0631\u0641 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0646\u0648\u0639 \u0628\u0623\u0646\u0647 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a \u0644\u0644\u0637\u0644\u0628 \u0645\u0642\u0633\u0648\u0645\u064b\u0627 \u0639\u0644\u0649 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0627\u0644\u0645\u062a\u0632\u0627\u0645\u0646 \u0644\u0644\u0637\u0644\u0628 \u0648\u0639\u0627\u062f\u0629 \u0645\u0627 \u064a\u0643\u0648\u0646 \u0623\u0643\u0628\u0631 \u0645\u0646 \u0648\u0627\u062d\u062f.<\/p>\n<p>\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0632\u0627\u0645\u0646 \u0645\u0634\u0627\u0628\u0647 \u0644\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0646\u0648\u0639 \u0645\u0646 \u062d\u064a\u062b \u0623\u0646\u0647 \u064a\u062d\u0643\u0645 \u0627\u0644\u0643\u0645\u064a\u0629 \u0627\u0644\u0641\u0639\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0630\u064a \u064a\u0639\u0645\u0644 \u0641\u064a \u0646\u0641\u0633 \u0627\u0644\u0648\u0642\u062a \u0648\u0639\u0627\u062f\u0629 \u0645\u0627 \u064a\u0643\u0648\u0646 \u0628\u064a\u0646 0.5 \u0648 0.9.<\/p>\n<p>\u0639\u0627\u062f\u0629\u064b \u0645\u0627 \u064a\u062c\u0645\u0639 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0623\u062d\u062f \u0647\u0630\u0647 \u0627\u0644\u0639\u0648\u0627\u0645\u0644 \u0645\u0639 \u0643\u0645\u064a\u0629 kVA \u0644\u0623\u0646\u0647 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0645\u062b\u0627\u0644 \u0648\u0627\u0636\u062d \u062d\u0648\u0644 \u0643\u064a\u0641\u064a\u0629 \u0627\u0644\u0639\u062b\u0648\u0631 \u0639\u0644\u0649 \u0625\u062c\u0645\u0627\u0644\u064a \u0643\u0645\u064a\u0629 \u0627\u0644\u0637\u0644\u0628 \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u064a \u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u062a\u0648\u0641\u064a\u0631 \u0641\u064a \u0627\u0644\u062e\u0633\u0627\u0626\u0631 \u0648\u0634\u0631\u0627\u0621 \u0627\u0644\u0645\u062d\u0648\u0644.<br \/>\n\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0645\u0639 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0645\u062a\u0635\u0644 500 kVA\u060c \u062a\u0643\u0648\u0646 \u0642\u064a\u0645\u0629 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u0637\u0644\u0628 0.9 \u0648\u0642\u064a\u0645\u0629 \u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0632\u0627\u0645\u0646 0.8\u060c \u0644\u0630\u0627 \u0641\u0625\u0646 \u0627\u0644\u0637\u0644\u0628 \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u064a \u064a\u0643\u0648\u0646 500 \u00d7 0.9 \u00d7 0.8 = 360 kVA.<\/p>\n<h2 id=\"starting-current\">\u0645\u0634\u0643\u0644\u0629 \u0628\u062f\u0621 \u0627\u0644\u0645\u062d\u0631\u0643<\/h2>\n<p>\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u064f\u0639\u0631\u0641 \u062a\u064a\u0627\u0631 \u0627\u0644\u0628\u062f\u0621 \u0628\u0623\u0646\u0647 \u0627\u0644\u0642\u0627\u062a\u0644 \u0627\u0644\u0635\u0627\u0645\u062a \u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u0639\u0644\u0642 \u0627\u0644\u0623\u0645\u0631 \u0628\u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0635\u063a\u064a\u0631\u0629. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0645\u062d\u0631\u0643 \u0628\u0642\u0648\u0629 150 kW\u060c \u064a\u062a\u0637\u0644\u0628 \u0627\u0644\u0628\u062f\u0621 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 \u0627\u0644\u062e\u0637 \u062a\u064a\u0627\u0631 \u0628\u062f\u0621 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0643\u0648\u0646 5 \u0625\u0644\u0649 7 \u0645\u0631\u0627\u062a \u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0645\u0644\u060c \u0648\u0627\u0644\u0630\u064a \u064a\u0633\u062a\u0645\u0631 \u0645\u0646 3 \u0625\u0644\u0649 10 \u062b\u0648\u0627\u0646\u064d. \u064a\u062c\u0628 \u0623\u0646 \u064a\u062d\u062f\u062b \u0647\u0630\u0627 \u0628\u064a\u0646\u0645\u0627 \u064a\u0648\u0641\u0631 \u0627\u0644\u0645\u062d\u0648\u0644 kVA \u0644\u0644\u0628\u062f\u0621 \u0648\u0628\u0642\u064a\u0629 \u062d\u0645\u0644\u0647 \u0627\u0644\u062d\u0627\u0644\u064a\u060c \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0645\u062d\u0627\u0648\u0644\u0629 \u0627\u0644\u062d\u062f \u0645\u0646 \u0627\u0646\u062e\u0641\u0627\u0636\u0627\u062a \u0627\u0644\u062c\u0647\u062f \u0639\u0646\u062f \u0623\u0637\u0631\u0627\u0641 \u0627\u0644\u0645\u062d\u0631\u0643 \u0625\u0644\u0649 \u062d\u0648\u0627\u0644\u064a 10 \u0625\u0644\u0649 15% \u062d\u062a\u0649 \u0644\u0627 \u064a\u0633\u0642\u0637 \u0627\u0644\u0642\u0627\u0637\u0639.<\/p>\n<p>\u0648\u0627\u062d\u062f\u0629 \u0645\u0646 \u0627\u0644\u062d\u0644\u0648\u0644 \u0627\u0644\u062b\u0644\u0627\u062b\u0629 \u0627\u0644\u062a\u064a \u062a\u0645 \u0645\u0646\u0627\u0642\u0634\u062a\u0647\u0627 \u0647\u0646\u0627 \u062a\u0633\u0627\u0639\u062f \u0641\u064a \u062d\u0644 \u0645\u0634\u0627\u0643\u0644 \u0627\u0644\u062d\u062c\u0645. \u062a\u0633\u0627\u0639\u062f \u0627\u0644\u0628\u062f\u0621 \u0627\u0644\u0646\u0627\u0639\u0645 \u0641\u064a \u062a\u0642\u0644\u064a\u0644 \u062a\u064a\u0627\u0631\u0627\u062a \u0627\u0644\u0628\u062f\u0621 \u0625\u0644\u0649 \u0645\u0627 \u0628\u064a\u0646 2 \u0625\u0644\u0649 3 \u0645\u0631\u0627\u062a \u0645\u0646 \u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0643\u0627\u0645\u0644. \u062a\u0642\u0644\u0644 VFDs \u062a\u064a\u0627\u0631 \u0627\u0644\u0628\u062f\u0621 \u0625\u0644\u0649 \u062d\u0648\u0627\u0644\u064a 1.2 \u0625\u0644\u0649 1.5 \u0645\u0631\u0629. \u064a\u0642\u0644\u0644 \u0628\u062f\u0621 \u0646\u062c\u0645\u0629 \u062f\u0644\u062a\u0627 \u0645\u0646 \u0630\u0644\u0643 \u0625\u0644\u0649 33% \u0645\u0646 \u0627\u0644\u0628\u062f\u0621 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 \u0627\u0644\u062e\u0637\u060c \u0644\u0643\u0646 \u0647\u0630\u0647 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0644\u0647\u0627 \u0639\u0632\u0645 \u062f\u0648\u0631\u0627\u0646 \u0645\u062e\u0641\u0636. \u0645\u0646 \u0627\u0644\u0645\u0645\u0643\u0646 \u063a\u0627\u0644\u0628\u064b\u0627 \u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u062d\u062c\u0645 \u0625\u0644\u0649 \u062a\u0635\u0646\u064a\u0641 \u0642\u064a\u0627\u0633\u064a \u0648\u0627\u062d\u062f \u0625\u0630\u0627 \u0643\u0627\u0646 \u0628\u0627\u0644\u0625\u0645\u0643\u0627\u0646 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u062a\u064a\u0627\u0631 \u0627\u0644\u0628\u062f\u0621. \u0625\u0630\u0627 \u0644\u0645 \u064a\u0643\u0646 \u0627\u0644\u062a\u062d\u0643\u0645 \u0645\u0645\u0643\u0646\u064b\u0627 \u0648\u0625\u0630\u0627 \u0643\u0627\u0646 \u0644\u062f\u0649 \u0627\u0644\u0645\u0646\u0634\u0623\u0629 \u0645\u062d\u0631\u0643\u0627\u062a \u062b\u0627\u0628\u062a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 \u0643\u0628\u064a\u0631\u0629\u060c \u0641\u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u062d\u062c\u0645 \u0627\u0644\u0645\u062d\u0648\u0644 \u0645\u0628\u0646\u064a\u064b\u0627 \u0639\u0644\u0649 \u062a\u064a\u0627\u0631 \u0627\u0644\u0628\u062f\u0621 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0623\u064a \u062d\u0645\u0644 \u062a\u0634\u063a\u064a\u0644.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0628\u062f\u0621<\/th>\n<th>\u062a\u064a\u0627\u0631 \u0627\u0644\u0628\u062f\u0621 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a (% \u0645\u0646 FLC)<\/th>\n<th>\u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0639\u0644\u0649 \u062d\u062c\u0645 \u0627\u0644\u0645\u062d\u0648\u0644<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0628\u062f\u0621 \u0645\u0628\u0627\u0634\u0631 (DOL)<\/td>\n<td>500\u2013700%<\/td>\n<td>\u0643\u0628\u064a\u0631 \u2014 \u0642\u062f \u064a\u0636\u064a\u0641 \u062e\u0637\u0648\u0629 \u062a\u0635\u0646\u064a\u0641 \u0648\u0627\u062d\u062f\u0629<\/td>\n<\/tr>\n<tr>\n<td>\u0628\u062f\u0621 \u0646\u062c\u0645\u064a \u062f\u0644\u062a\u0627<\/td>\n<td>~170\u2013230%<\/td>\n<td>\u0645\u0639\u062a\u062f\u0644<\/td>\n<\/tr>\n<tr>\n<td>\u0628\u062f\u0621 \u0646\u0627\u0639\u0645<\/td>\n<td>200\u2013300%<\/td>\n<td>\u0645\u0639\u062a\u062f\u0644<\/td>\n<\/tr>\n<tr>\n<td>VFD<\/td>\n<td>120\u2013150%<\/td>\n<td>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0642\u0627\u0639\u062f\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0639\u0627\u0645\u0629: \u0625\u0630\u0627 \u062a\u062c\u0627\u0648\u0632 \u0623\u0643\u0628\u0631 \u0645\u062d\u0631\u0643 25% \u0645\u0646 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u062d\u0648\u0644\u060c \u062a\u062d\u0642\u0642 \u0645\u0646 \u0633\u064a\u0646\u0627\u0631\u064a\u0648 \u0627\u0644\u0628\u062f\u0621 \u0628\u0634\u0643\u0644 \u0635\u0631\u064a\u062d \u0645\u0639 \u062d\u0633\u0627\u0628 \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u062c\u0647\u062f. \u0625\u0630\u0627 \u062a\u062c\u0627\u0648\u0632 50%\u060c \u062a\u0648\u0642\u0639 \u0625\u0645\u0627 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0623\u0648 \u062a\u063a\u064a\u064a\u0631 \u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0628\u062f\u0621 \u2014 \u0627\u0644\u062d\u0633\u0627\u0628\u0627\u062a \u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a IEC 60076-7 \u0648\u0625\u0631\u0634\u0627\u062f\u0627\u062a IEEE C57.12.00 \u062d\u0648\u0644 \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u062f\u0648\u0631\u064a \u0648\u0627\u0644\u0642\u0635\u064a\u0631.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10901\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/How-to-size-a-transformer-scientifically.webp\" alt=\"\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2 id=\"worked-examples\">\u0623\u0645\u062b\u0644\u0629 \u0639\u0645\u0644\u064a\u0629 \u0639\u0628\u0631 \u0627\u0644\u0635\u0646\u0627\u0639\u0627\u062a<\/h2>\n<p>\u0627\u0644\u0645\u062b\u0627\u0644 A \u2013 \u0645\u0635\u0646\u0639 \u0627\u0644\u0645\u0646\u0633\u0648\u062c\u0627\u062a. \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0645\u062a\u0635\u0644 = 12 \u0646\u0648\u0644 (15 kW \u0644\u0643\u0644 \u0645\u0646\u0647\u0627 (PF = 0.83)) + 3 \u0636\u0648\u0627\u063a\u0637 (30 kW \u0644\u0643\u0644 \u0645\u0646\u0647\u0627 (PF = 0.85)) + \u0625\u0636\u0627\u0621\u0629 40 kW (PF = 0.95) + 20 kW HVAC. kVA \u0627\u0644\u062a\u0634\u063a\u064a\u0644 = 12 * 18.1 + 3 * 35.3 + 42 + 21 = ~ 345 kVA. \u0639\u0627\u0645\u0644 \u0627\u0644\u0637\u0644\u0628 = 0.9 \u0648 \u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0632\u0627\u0645\u0646 (CF) = 0.8 -&gt; 345 * 0.9 * 0.8 = 248 kVA. \u0645\u0639 \u0646\u0645\u0648 \u0642\u062f\u0631\u0647 15%\u060c \u0641\u0625\u0646 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628 = 285 kVA \u0623\u0648 \u062a\u0635\u0646\u064a\u0641 \u0642\u064a\u0627\u0633\u064a 315 kVA. \u0623\u0643\u0628\u0631 \u062d\u0645\u0644 \u0641\u0631\u062f\u064a \u0647\u0648 35 kVA (\u062d\u0648\u0627\u0644\u064a 11% \u0645\u0646 \u0627\u0644\u062a\u0635\u0646\u064a\u0641) \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a \u0644\u0627 \u062a\u0648\u062c\u062f \u0642\u064a\u0648\u062f \u0639\u0644\u0649 \u0628\u062f\u0621 \u0627\u0644\u062a\u0634\u063a\u064a\u0644.<\/p>\n<p>\u0627\u0644\u0645\u062b\u0627\u0644 B \u2013 \u0645\u0635\u0646\u0639 \u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0637\u0639\u0627\u0645. \u0636\u0627\u063a\u0637 \u0627\u0644\u062a\u0628\u0631\u064a\u062f (100 kW) (6\u00d7 \u0628\u062f\u0621\/ PF = 0.85)\u060c \u0627\u0644\u0622\u0644\u0627\u062a (60 kW)\u060c \u0645\u0636\u062e\u0629 CIP (30 kW) \u0648\u0627\u0644\u0625\u0636\u0627\u0621\u0629 (25 kW). kVA \u0627\u0644\u062a\u0634\u063a\u064a\u0644 = 118 + 71 + 35 + 26 = 250 kVA \u0648\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0632\u0627\u0645\u0646 (CF) = 0.75 -&gt; \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 = 188 kVA. \u0623\u062b\u0646\u0627\u0621 \u0628\u062f\u0621 \u0627\u0644\u062a\u0634\u063a\u064a\u0644\u060c \u064a\u0637\u0644\u0628 \u0636\u0627\u063a\u0637 \u0627\u0644\u062a\u0628\u0631\u064a\u062f \u0645\u0624\u0642\u062a\u064b\u0627 \u0637\u0627\u0642\u0629 \u062a\u0628\u0644\u063a \u062d\u0648\u0627\u0644\u064a 6 \u00d7 118 = 708 kVA \u0644\u0645\u062f\u0629 5 \u062b\u0648\u0627\u0646\u064d. \u0634\u0631\u0637 \u0627\u0644\u062a\u0635\u0645\u064a\u0645: 188 + (708 \u2013 118) = ~ 778 kVA \u0645\u0624\u0642\u062a\u064b\u0627. \u0648\u062d\u062f\u0629 315 kVA \u0644\u0627 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u062a\u062d\u0645\u0644 \u0630\u0644\u0643\u060c \u0627\u0644\u062d\u0644 \u0627\u0644\u0639\u0645\u0644\u064a \u0647\u0648 \u0648\u062d\u062f\u0629 630 kVA \u0648\/\u0623\u0648 \u0628\u062f\u0621 \u0646\u0627\u0639\u0645.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0627\u0644\u0633\u064a\u0646\u0627\u0631\u064a\u0648<\/th>\n<th>\u0645\u062c\u0645\u0648\u0639 kW \u0627\u0644\u0633\u0627\u0630\u062c<\/th>\n<th>\u0646\u062a\u064a\u062c\u0629 kVA \u0627\u0644\u0639\u0644\u0645\u064a\u0629<\/th>\n<th>\u0627\u0644\u0641\u0631\u0642<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0645\u0637\u062d\u0646\u0629 \u0627\u0644\u0646\u0633\u064a\u062c (\u0645\u062b\u0627\u0644 \u0623)<\/td>\n<td>270 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/td>\n<td>315 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/td>\n<td>+17%<\/td>\n<\/tr>\n<tr>\n<td>\u0645\u0635\u0646\u0639 \u0627\u0644\u063a\u0630\u0627\u0621 (\u0645\u062b\u0627\u0644 \u0628)<\/td>\n<td>250 \u0643.\u0641.\u0623<\/td>\n<td>630 \u0643.\u0641.\u0623<\/td>\n<td>+152%<\/td>\n<\/tr>\n<tr>\n<td>\u0625\u0636\u0627\u0621\u0629 \u0627\u0644\u0645\u0633\u062a\u0648\u062f\u0639 + HVAC<\/td>\n<td>150 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/td>\n<td>160 \u0643.\u0641.\u0623<\/td>\n<td>+7%<\/td>\n<\/tr>\n<tr>\n<td>\u0648\u0631\u0634\u0629 \u0622\u0644\u0627\u062a \u0645\u0639 \u0645\u062e\u0627\u0631\u0637 50 kW<\/td>\n<td>300 \u0643\u064a\u0644\u0648 \u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/td>\n<td>400 \u0643\u064a\u0644\u0648\u0641\u0648\u0644\u062a \u0623\u0645\u0628\u064a\u0631<\/td>\n<td>+33%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0627\u0644\u0646\u0645\u0637 \u0648\u0627\u0636\u062d: \u0643\u0644\u0645\u0627 \u0632\u0627\u062f\u062a \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0648\u0632\u0627\u062f \u062d\u062c\u0645 \u0623\u0643\u0628\u0631 \u0645\u062d\u0631\u0643\u060c \u0632\u0627\u062f\u062a \u0627\u0644\u0641\u062c\u0648\u0629 \u0628\u064a\u0646 \u0627\u0644\u062d\u062c\u0645 \u0627\u0644\u0633\u0627\u0630\u062c \u0648\u0627\u0644\u0639\u0644\u0645\u064a. \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0639\u0644\u0645\u064a\u0629 \u0644\u064a\u0633\u062a \u062d\u0648\u0644 \u062a\u0636\u062e\u064a\u0645 \u0643\u0644 \u0631\u0642\u0645 - \u0628\u0644 \u0647\u064a \u062d\u0648\u0644 \u0625\u064a\u062c\u0627\u062f \u0627\u0644\u0642\u064a\u062f \u0627\u0644\u062d\u0642\u064a\u0642\u064a\u060c \u0648\u0627\u0644\u0630\u064a \u064a\u0643\u0648\u0646 \u0623\u062d\u064a\u0627\u0646\u064b\u0627 \u0627\u0644\u0633\u0639\u0629 \u0648\u0623\u062d\u064a\u0627\u0646\u064b\u0627 \u062a\u064a\u0627\u0631 \u0627\u0644\u0628\u062f\u0621.<\/p>\n<h2 id=\"standard-ratings\">\u0627\u0644\u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0648\u062c\u062f\u0648\u0644 \u0627\u0644\u062d\u062c\u0645<\/h2>\n<p>\u0628\u0639\u062f \u062d\u0633\u0627\u0628 \u0627\u0644\u0637\u0644\u0628 \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u064a\u060c \u0627\u062e\u062a\u0631 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0642\u064a\u0627\u0633\u064a \u0627\u0644\u062a\u0627\u0644\u064a IEC 60076-1. \u062a\u0634\u0645\u0644 \u0642\u064a\u0645 kVA \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 25\u060c 50\u060c 100\u060c 160\u060c 250\u060c 315\u060c 400\u060c 500\u060c 630\u060c 800\u060c 1000\u060c 1250\u060c 1600\u060c 2000\u060c 2500\u060c \u0648 3150. \u062a\u0648\u062c\u062f \u062a\u0635\u0646\u064a\u0641\u0627\u062a \u0645\u062e\u0635\u0635\u0629 \u0648\u0644\u0643\u0646 \u062a\u0643\u0644\u0641 15\u201330% \u0623\u0643\u062b\u0631 \u0648\u062a\u0637\u064a\u0644 \u0645\u0646 \u0648\u0642\u062a \u0627\u0644\u062a\u0633\u0644\u064a\u0645 \u0644\u0623\u0646 \u0627\u0644\u0646\u0648\u0649 \u0648\u0627\u0644\u062e\u0632\u0627\u0646\u0627\u062a \u063a\u064a\u0631 \u0642\u064a\u0627\u0633\u064a\u0629.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0645\u062a\u0635\u0644\u0629 (kVA\u060c \u0645\u062a\u0646\u0648\u0639\u0629)<\/th>\n<th>\u0625\u0636\u0627\u0641\u0629 \u0627\u0644\u0646\u0645\u0648 (15%)<\/th>\n<th>\u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647<\/th>\n<th>\u0646\u0637\u0627\u0642 \u0627\u0644\u0633\u0639\u0631 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u062d\u062a\u0649 85<\/td>\n<td>98<\/td>\n<td>100<\/td>\n<td>$2,500\u2013$6,000<\/td>\n<\/tr>\n<tr>\n<td>86\u2013135<\/td>\n<td>155<\/td>\n<td>160<\/td>\n<td>$3,500\u2013$8,000<\/td>\n<\/tr>\n<tr>\n<td>136\u2013215<\/td>\n<td>247<\/td>\n<td>250<\/td>\n<td>$4,500\u2013$11,000<\/td>\n<\/tr>\n<tr>\n<td>216\u2013270<\/td>\n<td>310<\/td>\n<td>315<\/td>\n<td>$6,000\u2013$13,000<\/td>\n<\/tr>\n<tr>\n<td>271\u2013430<\/td>\n<td>495<\/td>\n<td>500<\/td>\n<td>$8,000\u2013$16,000<\/td>\n<\/tr>\n<tr>\n<td>431\u2013545<\/td>\n<td>627<\/td>\n<td>630<\/td>\n<td>$10,000\u2013$20,000<\/td>\n<\/tr>\n<tr>\n<td>546\u2013870<\/td>\n<td>1,000<\/td>\n<td>1,000<\/td>\n<td>$15,000\u2013$32,000<\/td>\n<\/tr>\n<tr>\n<td>871\u20131,090<\/td>\n<td>1,254<\/td>\n<td>1,250<\/td>\n<td>$20,000\u2013$40,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0627\u0644\u0623\u0633\u0639\u0627\u0631 \u0625\u0631\u0634\u0627\u062f\u064a\u0629 FOB \u0627\u0644\u0635\u064a\u0646 \u0644\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0645\u063a\u0645\u0648\u0631\u0629 \u0628\u0627\u0644\u0632\u064a\u062a \u0648\u062a\u062e\u062a\u0644\u0641 \u062d\u0633\u0628 \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0648\u0627\u0644\u0639\u0644\u0627\u0645\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0648\u0627\u0644\u0645\u0646\u0637\u0642\u0629. \u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0644 \u0625\u0644\u0649 \u062a\u0635\u0646\u064a\u0641 \u0623\u0639\u0644\u0649 - \u0644\u0646\u0642\u0644 \u0645\u0646 500 \u0625\u0644\u0649 630 kVA - \u0639\u0627\u062f\u0629 \u0645\u0627 \u062a\u0643\u0648\u0646 15\u201325% \u0645\u0646 \u0633\u0639\u0631 \u0627\u0644\u0648\u062d\u062f\u0629\u060c \u0628\u064a\u0646\u0645\u0627 \u062a\u0643\u0644\u0641\u0629 \u0641\u0634\u0644 \u0645\u062d\u0648\u0644 \u063a\u064a\u0631 \u0645\u0646\u0627\u0633\u0628 100% \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0648\u0642\u062a \u0627\u0644\u062a\u0648\u0642\u0641. \u0627\u0644\u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u0645\u062a\u0627\u062d\u0629 \u0631\u062e\u064a\u0635\u0629.<\/p>\n<h2>\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u062f\u0627\u0639\u0645\u0629: \u0627\u0644\u062c\u0647\u062f\u060c \u0627\u0644\u062e\u0633\u0627\u0626\u0631\u060c \u0627\u0644\u062d\u0627\u0648\u064a\u0629<\/h2>\n<p>\u0628\u0645\u062c\u0631\u062f \u062a\u062d\u062f\u064a\u062f kVA\u060c \u064a\u062a\u0645 \u062a\u062d\u062f\u064a\u062f \u0628\u0642\u064a\u0629 \u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a \u0639\u0644\u0645\u064a\u064b\u0627 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u062a\u062e\u0645\u064a\u0646 \u0627\u0644\u0639\u0634\u0648\u0627\u0626\u064a. \u0645\u0646 \u062a\u0635\u0645\u064a\u0645 \u0646\u0638\u0627\u0645 \u0627\u0644\u0639\u0645\u064a\u0644\u060c \u064a\u062a\u0645 \u062a\u062d\u062f\u064a\u062f \u0646\u0633\u0628\u0629 \u0627\u0644\u062c\u0647\u062f: \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0625\u0645\u0627 11\u060c 22\u060c 33\u060c \u0623\u0648 35 kV (\u0623\u064a \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0630\u064a \u064a\u062f\u062e\u0644 \u0628\u0647 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0621 \u0625\u0644\u0649 \u0645\u0646\u0634\u0622\u062a \u0627\u0644\u0639\u0645\u064a\u0644)\u060c \u0648\u0627\u0644\u062c\u0647\u062f \u0627\u0644\u062b\u0627\u0646\u0648\u064a \u064a\u0633\u0627\u0648\u064a \u0625\u0645\u0627 400\u060c 415\u060c \u0623\u0648 480 V (\u062c\u0647\u062f \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645). \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0645\u062a\u062c\u0647\u0627\u062a \u062a\u0639\u062a\u0645\u062f \u0639\u0644\u0649 \u0646\u0645\u0637 \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0648\u064a\u062c\u0628 \u0623\u0646 \u062a\u0643\u0648\u0646 Dyn11 \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u0624\u0631\u0636\u060c \u0648\u0639\u0627\u062f\u0629\u064b Yd11 (\u0645\u0646 \u062d\u064a\u062b \u064a\u062a\u0645 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062c\u0647\u062f\u060c \u062a\u064a\u0627\u0631 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u0646\u062e\u0641\u0636 \u0623\u0642\u0644 \u0645\u0646 5% \u0641\u064a \u0627\u0644\u0646\u0638\u0627\u0645 \u0627\u0644\u0633\u0627\u0628\u0642) \u0623\u0648 Yd1 \u0644\u0644\u062d\u0627\u0644\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062c\u0647\u062f \u0627\u0644\u0645\u0639\u0646\u064a\u0629. \u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 (uk%) \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u0639\u0637\u0644: 4% (\u0644\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u062a\u0648\u0632\u064a\u0639\u064a\u0629 \u0627\u0644\u0623\u0635\u063a\u0631)\u060c \u0645\u0646 5% \u0625\u0644\u0649 6% (\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0637\u0627\u0642\u0629 630-1250 kVA)\u060c \u0648\u0623\u0639\u0644\u0649 \u0645\u0646 \u0630\u0644\u0643 \u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0637\u0627\u0642\u0629 \u0641\u0648\u0642 1250 kVA \u0623\u0648 \u0643\u0645\u0627 \u0647\u0648 \u0645\u0637\u0644\u0648\u0628 \u0628\u0645\u0648\u062c\u0628 \u0631\u0645\u0648\u0632 \u0627\u0644\u0634\u0628\u0643\u0629.<\/p>\n<p>\u0627\u0644\u062e\u0633\u0627\u0626\u0631 \u0647\u064a \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0633\u0627\u0626\u062f\u0629 \u0639\u0644\u0649 \u0645\u062f\u0649 \u0641\u062a\u0631\u0629 30 \u0639\u0627\u0645\u064b\u0627. \u0633\u064a\u0643\u0648\u0646 \u0645\u0646 \u0627\u0644\u0636\u0631\u0648\u0631\u064a \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u062e\u0633\u0627\u0626\u0631 \u0627\u0644\u0645\u0636\u0645\u0648\u0646\u0629 \u0639\u0646\u062f \u0639\u062f\u0645 \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0648\u0627\u0644\u062e\u0633\u0627\u0626\u0631 \u0627\u0644\u0645\u0636\u0645\u0648\u0646\u0629 \u0639\u0646\u062f \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0648\u0641\u0642\u064b\u0627 \u0644\u0645\u0639\u0627\u064a\u064a\u0631 IEC 60076-1 \u0648\u0645\u0642\u0627\u0631\u0646\u0629 \u0625\u062c\u0645\u0627\u0644\u064a \u062a\u0643\u0627\u0644\u064a\u0641 \u0627\u0644\u0645\u0644\u0643\u064a\u0629 \u0645\u0639 \u0627\u0644\u0645\u0646\u0627\u0641\u0633\u064a\u0646. \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a\u060c \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0641\u0625\u0646 \u0645\u062d\u0648\u0644\u064b\u0627 \u0628\u0642\u062f\u0631\u0629 1,000 kVA \u0645\u0639 \u0646\u0648\u0627\u0629 \u063a\u064a\u0631 \u0645\u062a\u0628\u0644\u0648\u0631\u0629 \u064a\u0648\u0641\u0631 600 \u0648\u0627\u0637 \u0645\u0646 \u062e\u0633\u0627\u0626\u0631 \u0639\u062f\u0645 \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u064a\u0648\u0641\u0631 \u0643\u0645\u064a\u0629 \u0643\u0628\u064a\u0631\u0629 \u0645\u0646 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0621 (\u062a\u0642\u0631\u064a\u0628\u064b\u0627 $2,000 \u0641\u064a 15 \u0639\u0627\u0645\u064b\u0627 \u0628\u0645\u0639\u062f\u0644 0.1 \u062f\u0648\u0644\u0627\u0631 \u0623\u0645\u0631\u064a\u0643\u064a \u0644\u0643\u0644 \u0643\u064a\u0644\u0648\u0648\u0627\u0637 \u0633\u0627\u0639\u0629) \u0645\u0645\u0627 \u064a\u062c\u0639\u0644 \u0645\u0646 \u0627\u0644\u0645\u0639\u0642\u0648\u0644 \u062f\u0641\u0639 \u0627\u0644\u0641\u0631\u0642. \u0639\u0644\u0627\u0648\u0629 \u0639\u0644\u0649 \u0630\u0644\u0643\u060c \u064a\u062c\u0628 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u062d\u0627\u0648\u064a\u0629 \u0648\u0641\u0642\u064b\u0627 \u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0628\u064a\u0626\u0629 (\u062a\u0635\u0646\u064a\u0641 IP): IP54 \u0644\u0644\u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0645\u063a\u0645\u0648\u0631\u0629 \u0628\u0627\u0644\u0632\u064a\u062a \u0641\u064a \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0637\u0644\u0642\u060c IP21 \u0625\u0644\u0649 IP44 \u0644\u0644\u0646\u0648\u0639 \u0627\u0644\u062c\u0627\u0641 \u0641\u064a \u0627\u0644\u062f\u0627\u062e\u0644\u060c \u0648IP56 \u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u063a\u0633\u064a\u0644.<\/p>\n<h2 id=\"brands-prices\">\u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0648\u0646\u0637\u0627\u0642\u0627\u062a \u0627\u0644\u0623\u0633\u0639\u0627\u0631 \u062d\u0633\u0628 \u0627\u0644\u062a\u0635\u0646\u064a\u0641<\/h2>\n<p>\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0639\u0644\u0627\u0645\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0647\u0648 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0641\u0648\u0642 \u0627\u0644\u062d\u0633\u0627\u0628\u0627\u062a \u0627\u0644\u0641\u0646\u064a\u0629. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0646\u0641\u0633 \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0639\u0644\u0645\u064a\u0629\u060c \u062a\u062e\u062a\u0644\u0641 \u0627\u0644\u0623\u0633\u0639\u0627\u0631 \u0628\u0645\u0639\u062f\u0644 \u064a\u062a\u0631\u0627\u0648\u062d \u0628\u064a\u0646 \u0627\u062b\u0646\u064a\u0646 \u0625\u0644\u0649 \u062b\u0644\u0627\u062b\u0629 \u0627\u0639\u062a\u0645\u0627\u062f\u064b\u0627 \u0639\u0644\u0649 \u0648\u0636\u0639 \u0627\u0644\u0639\u0644\u0627\u0645\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629 \u0648\u062c\u0648\u062f\u0629 \u0627\u0644\u0648\u062b\u0627\u0626\u0642.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0627\u0644\u0639\u0644\u0627\u0645\u0629 \u0627\u0644\u062a\u062c\u0627\u0631\u064a\u0629<\/th>\n<th>\u0627\u0644\u0642\u0648\u0629<\/th>\n<th>\u0633\u0639\u0631 250 kVA<\/th>\n<th>\u0633\u0639\u0631 630 kVA<\/th>\n<th>\u0633\u0639\u0631 1,250 kVA<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>ABB<\/td>\n<td>\u062e\u062f\u0645\u0629 \u0639\u0627\u0644\u0645\u064a\u0629\u060c \u0645\u062c\u0645\u0648\u0639\u0629 \u0643\u0627\u0645\u0644\u0629<\/td>\n<td>$12,000\u2013$20,000<\/td>\n<td>$22,000\u2013$38,000<\/td>\n<td>$38,000\u2013$60,000<\/td>\n<\/tr>\n<tr>\n<td>\u0633\u064a\u0645\u0646\u0632<\/td>\n<td>\u0627\u0644\u0643\u0641\u0627\u0621\u0629\u060c \u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u0631\u0642\u0645\u064a\u0629<\/td>\n<td>$12,000\u2013$22,000<\/td>\n<td>$24,000\u2013$40,000<\/td>\n<td>$40,000\u2013$65,000<\/td>\n<\/tr>\n<tr>\n<td>\u0634\u0646\u0627\u064a\u062f\u0631 \u0625\u0644\u0643\u062a\u0631\u064a\u0643<\/td>\n<td>\u062a\u0643\u0627\u0645\u0644 \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u062c\u0627\u0641 \u0648LV<\/td>\n<td>$11,000\u2013$18,000<\/td>\n<td>$20,000\u2013$34,000<\/td>\n<td>$35,000\u2013$55,000<\/td>\n<\/tr>\n<tr>\n<td>\u0647\u064a\u062a\u0627\u0634\u064a \u0644\u0644\u0637\u0627\u0642\u0629<\/td>\n<td>\u0623\u0635\u0648\u0644 \u0627\u0644\u0634\u0628\u0643\u0629\u060c \u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629<\/td>\n<td>$12,000\u2013$21,000<\/td>\n<td>$23,000\u2013$38,000<\/td>\n<td>$39,000\u2013$62,000<\/td>\n<\/tr>\n<tr>\n<td>\u0625\u064a\u062a\u0648\u0646<\/td>\n<td>\u0627\u0644\u0627\u0645\u062a\u062b\u0627\u0644 \u0644\u0623\u0645\u0631\u064a\u0643\u0627 \u0627\u0644\u0634\u0645\u0627\u0644\u064a\u0629<\/td>\n<td>$10,000\u2013$17,000<\/td>\n<td>$18,000\u2013$32,000<\/td>\n<td>$32,000\u2013$52,000<\/td>\n<\/tr>\n<tr>\n<td>CG Power \/ TBEA<\/td>\n<td>\u062a\u0633\u0639\u064a\u0631 \u0627\u0644\u062d\u062c\u0645<\/td>\n<td>$7,000\u2013$12,000<\/td>\n<td>$13,000\u2013$22,000<\/td>\n<td>$24,000\u2013$40,000<\/td>\n<\/tr>\n<tr>\n<td>\u0634\u0631\u0643\u0629 \u062c\u064a\u0627\u0646\u063a\u0633\u0648 \u0633\u0648\u0628\u064a\u0646 \u0644\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/td>\n<td>IEC 60076\u060c \u062a\u0642\u0627\u0631\u064a\u0631 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u060c \u0627\u0644\u0646\u062d\u0627\u0633<\/td>\n<td>$6,000\u2013$11,000<\/td>\n<td>$11,000\u2013$20,000<\/td>\n<td>$20,000\u2013$36,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u0645\u064a\u0629 \u0627\u0644\u062a\u064a \u062a\u0645 \u0627\u0644\u062d\u062f\u064a\u062b \u0639\u0646\u0647\u0627 \u0623\u0639\u0644\u0627\u0647 \u062d\u0642\u0642\u062a \u0645\u0643\u0627\u0646\u062a\u0647\u0627 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0633\u0646\u0648\u0627\u062a \u0645\u0646 \u0627\u0644\u0639\u0645\u0644 \u0648\u0627\u0644\u0645\u0633\u0627\u0647\u0645\u0629 \u0641\u064a \u0642\u0637\u0627\u0639 \u0627\u0644\u0637\u0627\u0642\u0629 \u0648\u0645\u062c\u0627\u0644\u0627\u062a \u062d\u064a\u0648\u064a\u0629 \u0623\u062e\u0631\u0649. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0641\u0625\u0646 \u0646\u0641\u0633 \u0627\u0644\u0646\u0647\u062c \u0644\u0646 \u064a\u0639\u0645\u0644 \u0641\u064a \u0627\u0644\u0645\u0635\u0627\u0646\u0639 \u0627\u0644\u0635\u0646\u0627\u0639\u064a\u0629\u060c \u0648\u0627\u0644\u0645\u0633\u062a\u0648\u062f\u0639\u0627\u062a\u060c \u0648\u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0645\u062a\u062c\u062f\u062f\u0629\u060c \u062d\u064a\u062b \u0623\u0646\u0643 \u0645\u062d\u0645\u064a \u0628\u0627\u0644\u0641\u0639\u0644 \u0628\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0639\u0644\u0645\u064a\u0629. \u062a\u0646\u062a\u062c \u0634\u0631\u0643\u0629 \u062c\u064a\u0627\u0646\u063a\u0633\u0648 \u0633\u0648\u0628\u064a\u0646 \u0644\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0645\u062d\u0648\u0644\u0627\u062a \u0645\u0639\u062a\u0645\u062f\u0629 \u0648\u0641\u0642\u064b\u0627 \u0644\u0645\u0639\u064a\u0627\u0631 IEC 60076 \u0641\u064a \u0646\u0637\u0627\u0642 \u0645\u0646 10 kVA \u0625\u0644\u0649 100 MVA \u0648\u062a\u0648\u0641\u0631 \u0645\u062d\u0648\u0644\u0627\u062a \u0645\u0644\u0641\u0648\u0641\u0629 \u0628\u0627\u0644\u0646\u062d\u0627\u0633 \u0643\u0645\u0646\u062a\u062c \u0642\u064a\u0627\u0633\u064a\u060c \u0648\u062c\u0645\u064a\u0639 \u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u062a\u0623\u062a\u064a \u0645\u0639 \u062a\u0642\u0631\u064a\u0631 \u064a\u062b\u0628\u062a \u0623\u0646 \u0627\u0644\u062e\u0633\u0627\u0626\u0631 \u0648\u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062d\u062a\u0627\u062c\u0647\u0627 \u0644\u0644\u0645\u062d\u0648\u0644 \u062a\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u0627\u0644\u0639\u0646\u0635\u0631 \u0627\u0644\u0645\u0642\u062f\u0645. \u0641\u064a \u062d\u0627\u0644\u0629 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0638\u0647\u0631 \u0627\u0644\u062d\u0633\u0627\u0628\u0627\u062a \u062a\u0635\u0646\u064a\u0641\u064b\u0627 \u0645\u062d\u062f\u062f\u064b\u0627\u060c \u0645\u0646 \u0627\u0644\u0633\u0647\u0644 \u062a\u0642\u064a\u064a\u0645 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u0645\u0646\u062c\u0632 \u0645\u0646 \u0642\u0628\u0644 \u0627\u0644\u0645\u0648\u0631\u062f\u064a\u0646. \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0645\u0637\u0627\u0644\u0628\u0629 \u0627\u0644\u0639\u0645\u0644\u0627\u0621 \u0628\u0627\u0644\u062b\u0642\u0629 \u0641\u064a\u0645\u0627 \u0647\u0648 \u0645\u0643\u062a\u0648\u0628 \u0641\u064a \u0627\u0644\u0643\u062a\u064a\u0628\u0627\u062a\u060c \u062a\u0634\u0627\u0631\u0643 \u0633\u0648\u0628\u064a\u0646 \u0623\u062f\u0644\u0629 \u0639\u0644\u0649 \u0627\u062f\u0639\u0627\u0621\u0627\u062a\u0647\u0627.<\/p>\n<h2 id=\"selection-formula\">\u0635\u064a\u063a\u0629 \u0627\u0644\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0643\u0627\u0645\u0644\u0629 \u0648\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u062a\u062d\u0642\u0642<\/h2>\n<p>\u0628\u0627\u062e\u062a\u0635\u0627\u0631\u060c \u0627\u0644\u062d\u0633\u0627\u0628 \u0644\u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0635\u064a\u063a\u0629 \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0637\u0627\u0642\u0629 \u0644\u0644\u0645\u0639\u062f\u0627\u062a \u0647\u0648:<\/p>\n<p>\u0645\u062c\u0645\u0648\u0639\u0629 kVA \u0627\u0644\u0645\u0635\u0645\u0645\u0629 = \u0645\u062c\u0645\u0648\u0639 (\u062d\u0645\u0648\u0644\u0629_kVA \u00d7 \u0639\u0627\u0645\u0644 \u0627\u0644\u0637\u0644\u0628) \u00d7 \u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0632\u0627\u0645\u0646 \u00d7 (1 + \u0647\u0627\u0645\u0634 \u0627\u0644\u0646\u0645\u0648)<\/p>\n<p>\u062b\u0645 \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0627\u062b\u0646\u064a\u0646 \u0644\u0644\u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u062a\u062d\u0642\u064a\u0642: \u0627\u0644\u062d\u0645\u0644 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u2264 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 (\u0632\u064a\u062a\/\u062c\u0627\u0641) \u0641\u064a 80\u201390%\u060c \u0648\u064a\u062d\u062f\u062b \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0644\u0627\u0628\u062a\u062f\u0627\u0626\u064a \u0636\u0645\u0646 \u062d\u062f \u0627\u0644\u0642\u062f\u0631\u0629 \u0627\u0644\u0642\u0635\u064a\u0631\u0629 \u0644\u0644\u0648\u062d\u062f\u0629 \u0648\u0641\u0642\u064b\u0627 \u0644\u0645\u0639\u064a\u0627\u0631 IEC 60076-7. \u0633\u062a\u062a\u0643\u0648\u0646 \u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/p>\n<p>\u062a\u062c\u0645\u064a\u0639 \u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0622\u0644\u0627\u062a \u0645\u0639 \u0645\u0639\u0644\u0645\u0627\u062a kW\u060c PF\u060c \u0648\u0627\u0644\u062a\u064a\u0627\u0631 \u0627\u0644\u0643\u0627\u0645\u0644.<br \/>\n\u062a\u062d\u0648\u064a\u0644 \u0625\u0644\u0649 kVA \u0644\u0643\u0644 \u062c\u0647\u0627\u0632 \u0648\u062a\u0635\u0646\u064a\u0641\u0647\u0627 \u062d\u0633\u0628 \u0627\u0644\u0645\u063a\u0630\u064a.<br \/>\n\u062a\u0637\u0628\u064a\u0642 \u062d\u0632\u0645 \u0627\u0644\u0637\u0644\u0628 \u0648\u0627\u0644\u062a\u0632\u0627\u0645\u0646 \u0644\u0643\u0644 \u0645\u062c\u0645\u0648\u0639\u0629.<br \/>\n\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0644\u0637\u0644\u0628 \u0627\u0644\u0627\u0628\u062a\u062f\u0627\u0626\u064a \u0644\u0644\u0645\u062d\u0631\u0643 \u0645\u0642\u0627\u0628\u0644 \u0627\u0644\u062a\u0635\u0646\u064a\u0641.<br \/>\n\u0625\u0636\u0627\u0641\u0629 \u0647\u0627\u0645\u0634 \u0646\u0645\u0648 \u064a\u062a\u0631\u0627\u0648\u062d \u0628\u064a\u0646 10\u201320% \u0648\u062a\u0642\u0631\u064a\u0628\u0647\u0627 \u0625\u0644\u0649 \u062a\u0635\u0646\u064a\u0641 \u0642\u064a\u0627\u0633\u064a.<br \/>\n\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u062c\u0647\u062f\u060c \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0645\u062a\u062c\u0647\u0627\u062a\u060c \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629\u060c \u0627\u0644\u062e\u0633\u0627\u0626\u0631\u060c \u0648\u0627\u0644\u062d\u0627\u0648\u064a\u0629.<br \/>\n\u0645\u0642\u0627\u0631\u0646\u0629 \u0627\u0644\u0639\u0637\u0627\u0621\u0627\u062a \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0623\u062f\u0627\u0626\u0647\u0627 \u0648\u0645\u062a\u0637\u0644\u0628\u0627\u062a TCO.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10900\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/Load-Types-Starting-current-Buyer-checklist.webp\" alt=\"\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2 id=\"faq\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0645\u062a\u0643\u0631\u0631\u0629<\/h2>\n<h3>\u0643\u064a\u0641 \u064a\u0645\u0643\u0646\u0646\u064a \u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0627\u0644\u0645\u062d\u0648\u0644 \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u062a\u0635\u0646\u064a\u0641 kW \u0644\u0644\u0645\u0639\u062f\u0627\u062a\u061f<\/h3>\n<p>\u064a\u062c\u0628 \u062a\u0642\u0633\u064a\u0645 kW \u0644\u0643\u0644 \u062d\u0645\u0644 \u0639\u0644\u0649 \u0639\u0627\u0645\u0644 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u062e\u0627\u0635 \u0628\u0647 \u062d\u062a\u0649 \u062a\u062a\u0645\u0643\u0646 \u0645\u0646 \u062a\u062d\u0648\u064a\u0644\u0647 \u0625\u0644\u0649 kVA\u060c \u0648\u062c\u0645\u0639\u0647\u0627 \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a\u060c \u062b\u0645 \u064a\u062c\u0628 \u0639\u0644\u064a\u0643 \u062a\u0637\u0628\u064a\u0642 \u0639\u0627\u0645\u0644 \u0627\u0644\u0637\u0644\u0628 (\u062d\u0648\u0627\u0644\u064a 0.9 \u0644\u0645\u0639\u0638\u0645 \u0627\u0644\u0622\u0644\u0627\u062a) \u0648\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0632\u0627\u0645\u0646 (\u0628\u064a\u0646 0.7 \u06480.85)\u060c \u062a\u0623\u0643\u062f \u0645\u0646 \u0627\u062d\u062a\u0633\u0627\u0628 \u062d\u0648\u0627\u0644\u064a 10-20 \u0641\u064a \u0627\u0644\u0645\u0626\u0629 \u0645\u0646 \u0627\u0644\u0646\u0645\u0648 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a \u0648\u062a\u0642\u0631\u064a\u0628\u0647\u0627 \u0625\u0644\u0649 \u0627\u0644\u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0642\u064a\u0627\u0633\u064a \u0627\u0644\u062a\u0627\u0644\u064a. \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c 180 kW \u0639\u0646\u062f PF \u0645\u0646 0.85 \u064a\u0633\u0627\u0648\u064a 212 kVA\u060c \u0645\u0639 \u062a\u0637\u0628\u064a\u0642 \u062a\u0632\u0627\u0645\u0646 0.85 \u0648\u0646\u0645\u0648 \u0628\u0646\u0633\u0628\u0629 15 \u0641\u064a \u0627\u0644\u0645\u0626\u0629\u060c \u0646\u062d\u0635\u0644 \u0639\u0644\u0649 \u0627\u0644\u0637\u0644\u0628 \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u064a \u0628\u062d\u0648\u0627\u0644\u064a 207 kVA \u0645\u0645\u0627 \u064a\u0639\u0646\u064a \u0623\u0646\u0647 \u064a\u062c\u0628 \u0639\u0644\u064a\u0646\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0622\u0644\u0629 \u0628\u0642\u062f\u0631\u0629 250 kVA.<\/p>\n<h3>\u0645\u0627 \u0647\u064a \u0642\u0627\u0639\u062f\u0629 \u0627\u0644\u0625\u0628\u0647\u0627\u0645 \u0644\u062d\u062c\u0645 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0627\u0644\u062d\u0645\u0644\u061f<\/h3>\n<p>\u0642\u0627\u0639\u062f\u0629 \u0634\u0627\u0626\u0639\u0629 \u0641\u064a \u0627\u0644\u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 \u0647\u064a \u0623\u0646 \u0627\u0644\u0645\u062d\u0648\u0644 \u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0645\u0635\u0646\u0641\u064b\u0627 \u0628\u0642\u062f\u0631\u0629 1.2\u20131.5\u00d7 \u0645\u0646 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0627\u0644\u0645\u062a\u0648\u0642\u0639 \u0644\u0644\u0637\u0644\u0628 \u0645\u0646 \u0627\u0644\u0643\u064a\u0644\u0648\u0648\u0627\u062a\u060c \u0627\u0639\u062a\u0645\u0627\u062f\u064b\u0627 \u0639\u0644\u0649 \u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629 \u0648\u0627\u0644\u0646\u0645\u0648 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a. \u0625\u0646\u0647\u0627 \u0623\u062f\u0627\u0629 \u0641\u0631\u0632 \u0641\u0642\u0637. \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0639\u0644\u0645\u064a\u0629 \u062f\u0627\u0626\u0645\u064b\u0627 \u0645\u0627 \u062a\u0643\u0648\u0646 \u0627\u0644\u0623\u0641\u0636\u0644 \u062d\u064a\u062b \u062a\u0643\u0648\u0646 \u0627\u0644\u0645\u062d\u0631\u0643\u0627\u062a \u0643\u0628\u064a\u0631\u0629\u060c \u0648\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629 \u0645\u0646\u062e\u0641\u0636\u0629\u060c \u0623\u0648 \u062a\u0648\u062c\u062f \u062a\u0648\u0627\u0641\u0642\u064a\u0627\u062a \u2014 \u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0629 \u0623\u0639\u0644\u0627\u0647\u060c \u0648\u0644\u064a\u0633 \u0627\u0644\u0642\u0627\u0639\u062f\u0629\u060c \u0644\u0644\u0642\u0631\u0627\u0631 \u0627\u0644\u0646\u0647\u0627\u0626\u064a.<\/p>\n<h3>\u0644\u0645\u0627\u0630\u0627 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u062d\u0648\u0644 \u0623\u0643\u0628\u0631 \u0645\u0646 \u0645\u062c\u0645\u0648\u0639 \u0645\u0639\u062f\u0627\u062a\u064a\u061f<\/h3>\n<p>\u062b\u0644\u0627\u062b\u0629 \u0623\u0633\u0628\u0627\u0628: \u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629 (kVA &gt; kW)\u060c \u062a\u064a\u0627\u0631 \u0627\u0644\u0628\u062f\u0621 (\u064a\u0645\u0643\u0646 \u0644\u0645\u062d\u0631\u0643 \u0628\u0642\u062f\u0631\u0629 100 \u0643\u064a\u0644\u0648\u0648\u0627\u062a \u0623\u0646 \u064a\u0637\u0644\u0628 600+ kVA \u0644\u062b\u0648\u0627\u0646\u064d)\u060c \u0648\u0627\u0644\u0646\u0645\u0648 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a (\u0627\u0644\u0630\u064a \u062a\u0636\u064a\u0641\u0647 \u062f\u0627\u0626\u0645\u064b\u0627). \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u0645\u0639\u062f\u062a\u0643 \u062a\u0639\u0645\u0644 \u0639\u0646\u062f 0.8 PF \u0645\u0639 \u0645\u062d\u0631\u0643 DOL \u0643\u0628\u064a\u0631\u060c \u0641\u0625\u0646 \u062a\u0635\u0646\u064a\u0641 25\u201360% \u0641\u0648\u0642 \u0645\u062c\u0645\u0648\u0639 \u0627\u0644\u0643\u064a\u0644\u0648\u0648\u0627\u062a \u0627\u0644\u0633\u0627\u0630\u062c \u0647\u0648 \u0623\u0645\u0631 \u0637\u0628\u064a\u0639\u064a \u2014 \u0627\u0644\u0645\u062b\u0627\u0644 \u0627\u0644\u062e\u0627\u0635 \u0628\u0645\u0635\u0646\u0639 \u0627\u0644\u0637\u0639\u0627\u0645 \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644 \u0627\u062d\u062a\u0627\u062c \u0625\u0644\u0649 152% \u0625\u0636\u0627\u0641\u064a\u0629.<\/p>\n<h3>\u0647\u0644 \u064a\u0645\u0643\u0646\u0646\u064a \u0632\u064a\u0627\u062f\u0629 \u062d\u062c\u0645 \u0627\u0644\u0645\u062d\u0648\u0644 \u0644\u0644\u062a\u0648\u0633\u0639 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a\u061f<\/h3>\n<p>\u0646\u0639\u0645\u060c \u0648\u0639\u0627\u062f\u0629 \u0645\u0627 \u064a\u0643\u0648\u0646 \u0630\u0644\u0643 \u062d\u0643\u064a\u0645\u064b\u0627 \u2014 \u0648\u0644\u0643\u0646 \u0641\u0642\u0637 \u0636\u0645\u0646 \u062d\u062f\u0648\u062f \u0627\u0644\u0645\u0639\u0642\u0648\u0644. \u062a\u0643\u0644\u0641\u0629 \u0647\u0627\u0645\u0634 10\u201320% \u062a\u0632\u064a\u062f 15\u201325% \u0644\u0643\u0644 \u062e\u0637\u0648\u0629 \u0623\u0639\u0644\u0649 \u0648\u062a\u0632\u064a\u062f \u0642\u0644\u064a\u0644\u0627\u064b \u0645\u0646 \u062e\u0633\u0627\u0626\u0631 \u0639\u062f\u0645 \u0627\u0644\u062d\u0645\u0644\u060c \u0627\u0644\u062a\u064a \u062a\u0639\u0645\u0644 \u0639\u0644\u0649 \u0645\u062f\u0627\u0631 \u0627\u0644\u0633\u0627\u0639\u0629. \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062d\u062c\u0645 \u0644\u0623\u0643\u062b\u0631 \u0645\u0646 \u062d\u0648\u0627\u0644\u064a 40% \u062a\u0647\u062f\u0631 \u0631\u0623\u0633 \u0627\u0644\u0645\u0627\u0644 \u0648\u0627\u0644\u0637\u0627\u0642\u0629 \u0645\u0627 \u0644\u0645 \u062a\u0643\u0646 \u0645\u062a\u0623\u0643\u062f\u064b\u0627 \u0645\u0646 \u0623\u0646 \u0627\u0644\u062d\u0645\u0644 \u0633\u064a\u0635\u0644 \u062e\u0644\u0627\u0644 2\u20133 \u0633\u0646\u0648\u0627\u062a. \u0627\u0644\u0625\u062c\u0627\u0628\u0629 \u0627\u0644\u0639\u0644\u0645\u064a\u0629: \u0637\u0627\u0628\u0642 \u0627\u0644\u0647\u0627\u0645\u0634 \u0645\u0639 \u062e\u0637\u0629 \u0627\u0644\u062a\u0648\u0633\u0639 \u0627\u0644\u0641\u0639\u0644\u064a\u0629.<\/p>\n<h3>\u0643\u0645 \u064a\u0643\u0644\u0641 \u062a\u0631\u0642\u064a\u0629 \u062a\u0635\u0646\u064a\u0641 \u0627\u0644\u0645\u062d\u0648\u0644 \u062e\u0637\u0648\u0629 \u0648\u0627\u062d\u062f\u0629\u061f<\/h3>\n<p>\u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0644 \u0645\u0646 500 \u0625\u0644\u0649 630 kVA \u0639\u0627\u062f\u0629 \u0645\u0627 \u064a\u0636\u064a\u0641 $2,000\u2013$4,000 (\u062d\u0648\u0627\u0644\u064a 15\u201325%) \u0644\u0644\u0648\u062d\u062f\u0629 \u0646\u0641\u0633\u0647\u0627\u061b \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0644 \u0645\u0646 1,000 \u0625\u0644\u0649 1,250 kVA \u064a\u0636\u064a\u0641 $4,000\u2013$8,000. \u0645\u0642\u0627\u0628\u0644 \u0630\u0644\u0643\u060c \u0641\u0625\u0646 \u0627\u0644\u0645\u062d\u0648\u0644 \u063a\u064a\u0631 \u0627\u0644\u0643\u0627\u0641\u064a \u0627\u0644\u0630\u064a \u064a\u0641\u0634\u0644 \u0641\u064a \u0627\u0644\u062e\u062f\u0645\u0629 \u064a\u0643\u0644\u0641 $8,000\u2013$30,000 \u0641\u064a \u0627\u0644\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0648\u0642\u062a \u0627\u0644\u062a\u0648\u0642\u0641 \u0639\u0646 \u0627\u0644\u0625\u0646\u062a\u0627\u062c. \u062a\u0639\u062a\u0628\u0631 \u0639\u0644\u0627\u0648\u0629 \u0627\u0644\u062a\u0631\u0642\u064a\u0629 \u0623\u0631\u062e\u0635 \u062a\u0623\u0645\u064a\u0646 \u0641\u064a \u0627\u0644\u0645\u0634\u0631\u0648\u0639.<\/p>\n<h2 id=\"references\">\u0627\u0644\u0645\u0631\u0627\u062c\u0639<\/h2>\n<ul>\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/200\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60076-1: \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u2014 \u0639\u0627\u0645<\/a> \u2014 \u0627\u0644\u0645\u0639\u064a\u0627\u0631 \u0644\u0644\u062a\u0635\u0646\u064a\u0641\u0627\u062a\u060c \u0648\u0627\u0644\u062a\u0633\u0627\u0645\u062d\u0627\u062a\u060c \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0631\u0648\u062a\u064a\u0646\u064a\u0629.<\/li>\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/57088\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60076-7: \u062f\u0644\u064a\u0644 \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0645\u063a\u0645\u0648\u0631\u0629 \u0628\u0627\u0644\u0632\u064a\u062a<\/a> \u2014 \u062d\u062f\u0648\u062f \u0627\u0644\u062a\u062d\u0645\u064a\u0644 \u0627\u0644\u0642\u0635\u064a\u0631 \u0648\u0627\u0644\u0632\u0645\u0646\u064a \u0644\u0644\u0627\u0646\u062a\u0642\u0627\u0644\u0627\u062a \u0639\u0646\u062f \u0627\u0644\u0628\u062f\u0621.<\/li>\n<li><a href=\"https:\/\/standards.ieee.org\/ieee\/C57.12.00\/6735\/\" rel=\"nofollow noopener\" target=\"_blank\">IEEE C57.12.00: \u0627\u0644\u0645\u062a\u0637\u0644\u0628\u0627\u062a \u0627\u0644\u0639\u0627\u0645\u0629 \u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0633\u0627\u0626\u0644 \u0627\u0644\u0645\u063a\u0645\u0648\u0631\u0629<\/a> - \u0625\u0637\u0627\u0631 \u062a\u0635\u0646\u064a\u0641 \u0648\u0627\u062e\u062a\u0628\u0627\u0631 \u0623\u0645\u0631\u064a\u0643\u0627 \u0627\u0644\u0634\u0645\u0627\u0644\u064a\u0629.<\/li>\n<li><a href=\"https:\/\/www.electrical4u.com\/transformer-sizing\/\" rel=\"nofollow noopener\" target=\"_blank\">Electrical4U \u2014 \u062d\u062c\u0645 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a<\/a> \u2014 \u0623\u0645\u062b\u0644\u0629 \u0639\u0644\u0649 \u0627\u0644\u062d\u062c\u0645 \u0648\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0637\u0644\u0628.<\/li>\n<li><a href=\"https:\/\/www.eaton.com\/us\/en-us\/products\/transformers\/transformer-consultant.html\" rel=\"nofollow noopener\" target=\"_blank\">Eaton \u2014 \u0645\u0633\u062a\u0634\u0627\u0631 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a<\/a> \u2014 \u0623\u062f\u0648\u0627\u062a \u0647\u0646\u062f\u0633\u064a\u0629 \u0644\u062d\u0633\u0627\u0628 \u0648\u0627\u062e\u062a\u064a\u0627\u0631 kVA.<\/li>\n<li><a href=\"https:\/\/www.fluke.com\/en-us\/learn\/blog\/power-quality\/power-factor\" rel=\"nofollow noopener\" target=\"_blank\">Fluke \u2014 \u0641\u0647\u0645 \u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629<\/a> \u2014 \u0645\u0631\u062c\u0639 \u0639\u0645\u0644\u064a \u0644\u0642\u064a\u0627\u0633 \u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629 \u0648\u0627\u0644\u0637\u0644\u0628.<\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Demand_factor\" rel=\"nofollow noopener\" target=\"_blank\">Wikipedia \u2014 \u0639\u0627\u0645\u0644 \u0627\u0644\u0637\u0644\u0628<\/a> \u2014 \u062a\u0639\u0631\u064a\u0641 \u0648\u062a\u0637\u0628\u064a\u0642 \u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0637\u0644\u0628\u060c \u0648\u0627\u0644\u062a\u0646\u0648\u0639\u060c \u0648\u0627\u0644\u062a\u0632\u0627\u0645\u0646.<\/li>\n<\/ul>\n<h2 id=\"conclusion\">\u0627\u0644\u062e\u0627\u062a\u0645\u0629<\/h2>\n<p>\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u062d\u0648\u0644\u0627\u062a \u0627\u0644\u0639\u0644\u0645\u064a\u0629 \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0642\u062f\u0631\u0629 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0647\u0648 \u0628\u0628\u0633\u0627\u0637\u0629 \u0639\u0644\u0645 \u062a\u062d\u0648\u064a\u0644 \u0627\u0644\u0643\u064a\u0644\u0648\u0648\u0627\u062a \u0625\u0644\u0649 kVA \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629 \u0627\u0644\u0635\u062d\u064a\u062d\u060c \u0645\u0639 \u0627\u0644\u0623\u062e\u0630 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631 \u0627\u0644\u0637\u0644\u0628 \u0648\u0627\u0644\u062a\u0632\u0627\u0645\u0646\u060c \u0648\u0627\u062d\u062a\u0631\u0627\u0645 \u0627\u0646\u062a\u0642\u0627\u0644\u0627\u062a \u0628\u062f\u0621 \u0627\u0644\u0645\u062d\u0631\u0643\u060c \u0648\u0625\u0636\u0627\u0641\u0629 \u0647\u0627\u0645\u0634 \u0646\u0645\u0648 \u0635\u0627\u062f\u0642. \u0627\u0644\u062d\u0633\u0627\u0628 \u0644\u064a\u0633 \u0635\u0639\u0628\u064b\u0627 \u2014 \u0648\u0644\u0643\u0646 \u062a\u062e\u0637\u064a \u0623\u064a \u0645\u0635\u0637\u0644\u062d \u064a\u0646\u062a\u062c \u0648\u062d\u062f\u0629 \u0625\u0645\u0627 \u062a\u0641\u0634\u0644 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0644 \u0639\u0646\u062f \u0627\u0644\u0628\u062f\u0621 \u0623\u0648 \u062a\u0647\u062f\u0631 \u0631\u0623\u0633 \u0627\u0644\u0645\u0627\u0644 \u0639\u0644\u0649 \u0633\u0639\u0629 \u063a\u064a\u0631 \u0645\u0633\u062a\u062e\u062f\u0645\u0629. \u0623\u062b\u0628\u062a \u0645\u062b\u0627\u0644 \u0645\u0635\u0646\u0639 \u0627\u0644\u0637\u0639\u0627\u0645 \u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0627\u062e\u062a\u0635\u0627\u0631\u0627\u062a: \u062a\u0642\u062f\u064a\u0631 \u0633\u0627\u0630\u062c \u0628\u0642\u062f\u0631\u0629 250 kVA \u0645\u0642\u0627\u0628\u0644 630 kVA \u0627\u0644\u0635\u062d\u064a\u062d.<\/p>\n<ul>\n<li>\u062f\u0627\u0626\u0645\u064b\u0627 \u0642\u0645 \u0628\u062a\u062d\u0648\u064a\u0644 \u0627\u0644\u0643\u064a\u0644\u0648\u0648\u0627\u062a \u0625\u0644\u0649 kVA \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0639\u0627\u0645\u0644 \u0627\u0644\u0642\u062f\u0631\u0629 \u0627\u0644\u062d\u0642\u064a\u0642\u064a \u2014 \u0644\u0627 \u062a\u062c\u0645\u0639 \u0627\u0644\u0643\u064a\u0644\u0648\u0648\u0627\u062a \u0645\u0628\u0627\u0634\u0631\u0629.<\/li>\n<li>\u0637\u0628\u0642 \u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0637\u0644\u0628 \u0648\u0627\u0644\u062a\u0632\u0627\u0645\u0646\u060c \u0648\u062a\u062d\u0642\u0642 \u0645\u0646 \u0623\u0643\u0628\u0631 \u0637\u0644\u0628 \u0628\u062f\u0621 \u0644\u0644\u0645\u062d\u0631\u0643.<\/li>\n<li>\u0623\u0636\u0641 10\u201320% \u0644\u0644\u0646\u0645\u0648 \u0648\u0642\u0645 \u0628\u062a\u0642\u0631\u064a\u0628\u0647\u0627 \u0625\u0644\u0649 \u062a\u0635\u0646\u064a\u0641 IEC 60076 \u0627\u0644\u0642\u064a\u0627\u0633\u064a.<\/li>\n<li>\u0627\u0637\u0644\u0628 \u062a\u0642\u0627\u0631\u064a\u0631 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0635\u0646\u0639 \u0644\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0637\u0644\u0628 \u062d\u062a\u0649 \u064a\u062a\u0645 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u062e\u0633\u0627\u0626\u0631 \u0648\u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0645\u062d\u062f\u062f\u0629.<\/li>\n<\/ul>\n<p>\u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u0645 \u0627\u0644\u0627\u0646\u062a\u0647\u0627\u0621 \u0645\u0646 \u062d\u0633\u0627\u0628 \u0642\u062f\u0631\u0629 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0648\u064a\u062a\u0645 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u062a\u0635\u0646\u064a\u0641\u060c, <a href=\"https:\/\/subian-electric.com\/ar\/\">\u0634\u0631\u0643\u0629 \u062c\u064a\u0627\u0646\u063a\u0633\u0648 \u0633\u0648\u0628\u064a\u0646 \u0644\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/a> \u0633\u062a\u0642\u0648\u0645 \u0628\u062a\u0642\u062f\u064a\u0645 \u0639\u0631\u0636 \u0644\u062a\u062d\u0648\u064a\u0644\u0629 \u0645\u0639\u062a\u0645\u062f\u0629 \u0648\u0641\u0642\u064b\u0627 \u0644\u0645\u0639\u064a\u0627\u0631 IEC 60076 \u0645\u0646 10 kVA \u0625\u0644\u0649 100 MVA \u0648\u0641\u0642\u064b\u0627 \u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a\u0643 - \u0645\u0639 \u062a\u0642\u0631\u064a\u0631 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0635\u0646\u0639 \u0645\u0631\u0641\u0642\u064b\u0627 \u0628\u062d\u064a\u062b \u064a\u0643\u0648\u0646 \u0627\u0644\u0631\u0642\u0645 \u0627\u0644\u0645\u0648\u062c\u0648\u062f \u0639\u0644\u0649 \u0644\u0648\u062d\u0629 \u0627\u0644\u0627\u0633\u0645 \u0647\u0648 \u0627\u0644\u0631\u0642\u0645 \u0627\u0644\u0630\u064a \u0642\u0645\u062a \u0628\u062d\u062c\u0645\u0647.<\/p>","protected":false},"excerpt":{"rendered":"<p>A textile factory in Vietnam was about to put into operation twelve weaving machines with 15 kW ratting each. The conclusion of the owner was pretty simple: twelve machines multiplied by 15 kW gives 180 kW, consequently, a 200 kVA transformer is needed. At that point, the electrical contractor cancelled the order. In reality, each [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":10899,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[77],"tags":[],"class_list":["post-10898","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/posts\/10898","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/comments?post=10898"}],"version-history":[{"count":2,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/posts\/10898\/revisions"}],"predecessor-version":[{"id":11007,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/posts\/10898\/revisions\/11007"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/media\/10899"}],"wp:attachment":[{"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/media?parent=10898"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/categories?post=10898"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/subian-electric.com\/ar\/wp-json\/wp\/v2\/tags?post=10898"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}