{"id":10754,"date":"2026-08-29T23:43:18","date_gmt":"2026-08-29T15:43:18","guid":{"rendered":"https:\/\/q8bbzjnpm5.wpdns.site\/?p=10754"},"modified":"2026-08-29T23:43:18","modified_gmt":"2026-08-29T15:43:18","slug":"key-points-of-daily-maintenance-and-fault-warning-mechanism-for-t","status":"publish","type":"post","link":"https:\/\/subian-electric.com\/de\/news\/key-points-of-daily-maintenance-and-fault-warning-mechanism-for-t\/","title":{"rendered":"Wichtige Punkte der t\u00e4glichen Wartung und des Fehlermeldemechanismus f\u00fcr Transformatoren"},"content":{"rendered":"<p>The operator at the substation observes that the DGA trend of the 15 MVA unit has moved from \u201dnormal\u201d to \u201dcaution\u201d level in the quarterly report. Hydrogen increased from 45 to 130 ppm, while ethylene was also detected. None of the alarms were activated, and no trip took place. However, the warning system did its work effectively.<\/p>\n<p>This article speaks about how regular maintenance of transformers can be complemented with a clear fault warning system. Such systems have various levels of detection, alarm settings, and costs associated. You will learn the exact values of alarms, responses and costs of the system.<\/p>\n<blockquote><p>A mechanism of transformer fault indication incorporates four levels of detection: visual inspection\/operations performed daily, a variety of oil testing at set intervals, temperature and load trending, and real-time monitoring of important units. Alarm levels are per IEEE C57.104 and IEC 60599 ratios.<\/p><\/blockquote>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10755\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/Key-Points-Of-Daily-Maintenance-And-Fault-Warning-Mechanism-For-T.webp\" alt=\"Key Points Of Daily Maintenance And Fault Warning Mechanism For T\" width=\"1448\" height=\"1086\" \/><\/p>\n<hr \/>\n<h2 id=\"warning-concept\">What a Fault Warning Mechanism Is and Why It Matters<\/h2>\n<p>The defect detection system consists of sensors, tests, limits, and procedures that indicate that a transformer is failing while it is still possible to intervene. The reason this system works is that most faults develop gradually: insulation wears off over years, moisture gathers over months, oil deteriorates gradually, and gas concentration increases before the failure occurs. The main task of the warning system is to bring these silent changes to the attention of the users. The importance of the mentioned above system lies in the fact that replacing one transformer costs $250,000\u2013$1.5 million for the case of medium power transformers, plus outage losses of $50,000\u2013$2 million per event, while the cost of the system represents only hundreds or even thousands of dollars per year per unit. Thus, even one failure avoided justifies the investment in the warning system. As a result, energy companies that successfully use the system in practice manage to turn the majority of forced outages into planned ones.<\/p>\n<h2 id=\"tier1\">Tier 1: Daily Maintenance as the First Warning Layer<\/h2>\n<p>The lowest investment and the most effective preventive layer is carried out daily by the operating personnel. Indeed, it can identify certain physical parameters that cannot be measured by any sensors. The following tasks are included in the daily checklist for transformers immersed in oil:<\/p>\n<ul>\n<li>Oil level versus temperature. The oil level in the conservator must correspond to the temperature on the oil-temperature sensor. If there is no correspondence, either the oil is leaking or the breather has been damaged.<\/li>\n<li>Noise. Constant humming noise is normal; if there is something new in the background, it means the alert. Noise may change due to loose core bolting or equipment parts, or due to discharges.<\/li>\n<li>Temperature. Top oil temperature should be registered in comparison with electric power consumption. If the top oil temperature is increasing while power consumption is constant, it means cooling or internal losses might occur.<\/li>\n<li>Bushings. Check if there are any cracks, tracking, or oil leakage present there. Also, check if the terminal connection is overloaded.<\/li>\n<li>Breather. If the gel has turned pink, it means that it has been saturated with moisture.<\/li>\n<li>Windows of the Buchholz relay. Any accumulation of gas in this window is an alert.<\/li>\n<li>Leakage and spots of oil on the ground. New spots of oil on the ground indicate failures in terms of the leak flow into the oil.<\/li>\n<\/ul>\n<p>Every observation is recorded. A logbook or CMMS entry does not entail any expenses but establishes a record of trends that makes higher warning levels possible.<\/p>\n<h2 id=\"tier2\">Tier 2: Periodic Oil and Electrical Testing<\/h2>\n<p>Regular assessments reveal what the eye is unable to perceive. Below are the crucial assessments and their warning levels:<\/p>\n<table>\n<thead>\n<tr>\n<th>Test<\/th>\n<th>H\u00e4ufigkeit<\/th>\n<th>Normal<\/th>\n<th>Warnung<\/th>\n<th>Action Level<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DGA (dissolved gas analysis)<\/td>\n<td>Annual; 6-monthly for critical units<\/td>\n<td>TDCG &lt; 720 ppm<\/td>\n<td>720\u20131,920 ppm or rising rate<\/td>\n<td>&gt; 1,920 ppm: investigate; &gt; 4,630: remove from service<\/td>\n<\/tr>\n<tr>\n<td>Durchschlagspannung des \u00d6ls<\/td>\n<td>J\u00e4hrlich<\/td>\n<td>&gt; 40\u201360 kV<\/td>\n<td>30\u201340 kV<\/td>\n<td>&lt; 30 kV: \u00d6l filtern oder ersetzen<\/td>\n<\/tr>\n<tr>\n<td>\u00d6lfeuchtigkeit<\/td>\n<td>J\u00e4hrlich<\/td>\n<td>&lt; 15\u201320 ppm<\/td>\n<td>20\u201330 ppm<\/td>\n<td>&gt; 30\u201340 ppm: dry out and find ingress<\/td>\n<\/tr>\n<tr>\n<td>Insulation resistance (megger)<\/td>\n<td>Annual \/ quarterly<\/td>\n<td>&gt; 1,000 M\u03a9 (HV)<\/td>\n<td>Falling trend between tests<\/td>\n<td>&lt; 100\u2013500 M\u03a9: dry-out and retest<\/td>\n<\/tr>\n<tr>\n<td>Furan analysis (paper aging)<\/td>\n<td>Every 1\u20133 years<\/td>\n<td>Low furan levels<\/td>\n<td>Steigender Trend<\/td>\n<td>High: paper brittle, plan end-of-life work<\/td>\n<\/tr>\n<tr>\n<td>Acidity \/ IFT<\/td>\n<td>J\u00e4hrlich<\/td>\n<td>Low acidity, high IFT<\/td>\n<td>Rising acidity<\/td>\n<td>High: oil reconditioning needed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The checking technique utilized is that of comparison with an older sample rather than with the absolute figure only. A sample that has increased from 40 to 120 ppm of hydrogen in annual tests will trigger an alarm even though its value has not surpassed the limit.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10756\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/Tier1-4.webp\" alt=\"Tier1-4\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2 id=\"tier3\">Tier 3: Trend Analysis and Condition Assessment<\/h2>\n<p>Individual samples can give a false impression of something while trends cannot. Tier 3 is responsible for making trend analysis systematic.<\/p>\n<ul>\n<li>Gas generation rates: gas generation rate or gas increase rate (in ppm per month) serves as the first alert as it is usually the most sensitive. IEEE C57.104 advises to continuously measure not only TDCG but also various gas generation rates in between.<\/li>\n<li>Load history: analyze temperature and load data to find out those assets that operate close to their design temperature and age faster than others.<\/li>\n<li>Capitalized condition scoring: take DGA condition, oil quality, electrical tests data, age, and load history and integrate into a condition score that will rank your fleet and help you decide on the next test or inspection.<\/li>\n<li>Seasonality: if an asset only warns in summer, it might have cooling reserves issues and not insulating defects.<\/li>\n<\/ul>\n<p>Being powered by asset management software, the above information can be processed automatically by a computer that consumes test results, calculates the rates, highlights issues and sends notification to the engineer responsible. Even a simple Excel sheet done by a technician will be able to demonstrate 80 percent of value.<\/p>\n<h2 id=\"tier4\">Tier 4: Online Monitoring for Critical Units<\/h2>\n<p>By providing constant warnings in the most vital systems where any breakdown would be highly intolerable or costly, online monitoring system plays a key role in their maintenance. This is what sensors on such systems usually monitor:<\/p>\n<table>\n<thead>\n<tr>\n<th>Online Monitor<\/th>\n<th>Warning It Provides<\/th>\n<th>Typical Cost (Installed)<\/th>\n<th>Lead Time Before Failure It Gives<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Online DGA monitor<\/td>\n<td>Continuous gas trend, early fault-gas detection<\/td>\n<td>$8,000\u2013$60,000<\/td>\n<td>Wochen bis Monate<\/td>\n<\/tr>\n<tr>\n<td>Partial discharge monitor<\/td>\n<td>PD activity in pC, insulation defects<\/td>\n<td>$5,000\u2013$30,000<\/td>\n<td>Monate<\/td>\n<\/tr>\n<tr>\n<td>Temperature \/ load monitor<\/td>\n<td>Overload and cooling degradation<\/td>\n<td>$2.000\u2013$8.000<\/td>\n<td>Weeks<\/td>\n<\/tr>\n<tr>\n<td>Buchholz + gas accumulation monitor<\/td>\n<td>Internal fault gas accumulation<\/td>\n<td>$500\u2013$3.000<\/td>\n<td>Stunden bis Tage<\/td>\n<\/tr>\n<tr>\n<td>OLTC monitor<\/td>\n<td>Mechanical wear, drive problems<\/td>\n<td>$3,000\u2013$15,000<\/td>\n<td>Wochen bis Monate<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>An online monitoring system for an extremely important system would cost around $25,000 &#8211; $120,000 besides approximately $1,000 &#8211; $8,000 per year for platform and maintenance charges.<\/p>\n<h2 id=\"alarm-thresholds\">Setting Alarm Thresholds That Work<\/h2>\n<p>The thresholds for alarms should provide a suitable compromise between two types of errors: tight thresholds lead to the process of flooded alerts not being taken seriously, and wide thresholds fail to detect the growing defects. IEEE standards contain valuable reference points regarding the mentioned levels:<\/p>\n<table>\n<thead>\n<tr>\n<th>Condition<\/th>\n<th>TDCG Range (ppm)<\/th>\n<th>Typical Indicator Gases<\/th>\n<th>Recommended Action<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Normal<\/td>\n<td>&lt; 720<\/td>\n<td>None rising<\/td>\n<td>Continue scheduled sampling<\/td>\n<\/tr>\n<tr>\n<td>Caution<\/td>\n<td>720\u20131,920<\/td>\n<td>H<sub>2<\/sub>, CH<sub>4<\/sub> rising<\/td>\n<td>Sample more often, investigate<\/td>\n<\/tr>\n<tr>\n<td>Hoch<\/td>\n<td>1,920\u20134,630<\/td>\n<td>Ethylene, CO rising<\/td>\n<td>Plan detailed investigation<\/td>\n<\/tr>\n<tr>\n<td>Severe<\/td>\n<td>&gt; 4,630<\/td>\n<td>Acetylene present<\/td>\n<td>Consider removal from service<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Here are some practical ideas on how to set the thresholds:<\/p>\n<ul>\n<li>Use standard thresholds. The IEEE C57.104 provides the categories listed. The IEC60599 standards describe the classical categories.<\/li>\n<li>Provide alarms for the rate of rise. The ones that generate gases and should be monitored even if all the thresholds are still within limitations. Some companies start alarms upon observing at least the double rate of rise of the fault gas concentration.<\/li>\n<li>Implement tiered responses. Level of alarm 1: the investigation is required. Level of alarm 2: action needs to be taken within weeks and sampling frequency should be increased. Level of alarm 3: remove the equipment from the operating circuit or immediately intervene.<\/li>\n<li>Make sure that your alarms are tailored to the fleet&#8217;s unique history.<\/li>\n<\/ul>\n<h2 id=\"response\">The Warning Response Protocol<\/h2>\n<p>Each alarm must have a recorded reaction otherwise it may remain as just a sound without real meaning. Make a manual of procedures:<\/p>\n<ul>\n<li>Register and recognize the alarm in CMMS with a person responsible for the alarm.<\/li>\n<li>Analyze the information: if it is level-based, rate-based, or online sensor signal, compare it with past data and the load of the equipment.<\/li>\n<li>Get samples and confirm it with DGA and oil quality tests, if this is an online DGA alarm; take a sample to confirm the reading.<\/li>\n<li>Classify it according to IEEE C57.104 \/ IEC 60599 and find the probable repair type.<\/li>\n<li>Move it to the proper level: increase sampling rates, arrange inspection, or take the equipment out of service.<\/li>\n<li>Double-check: compare the reaction with the original alarm.<\/li>\n<\/ul>\n<p>The manual makes sure that no alarm will be ignored as every found issue enhances the system security.<\/p>\n<table>\n<thead>\n<tr>\n<th>Warning Level<\/th>\n<th>Trigger<\/th>\n<th>Owner<\/th>\n<th>Target Response Time<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Yellow<\/td>\n<td>Caution band, slow gas rate<\/td>\n<td>Maintenance engineer<\/td>\n<td>1\u20132 weeks<\/td>\n<\/tr>\n<tr>\n<td>Orange<\/td>\n<td>High band or rising rate<\/td>\n<td>Asset manager<\/td>\n<td>Within days<\/td>\n<\/tr>\n<tr>\n<td>Red<\/td>\n<td>Severe band or Buchholz event<\/td>\n<td>Operations manager<\/td>\n<td>Sofort<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"data\">Turning Maintenance Data into Early Warnings<\/h2>\n<p>The effectiveness of the warning system is dependent on data cleanliness. Here are some good practices that can improve the effectiveness of the warning system:<\/p>\n<ul>\n<li>Document test conditions for every sample taken: the load, oil temperature, and surrounding temperature, as the concentration of gas and moisture levels are different with temperatures.<\/li>\n<li>Use an identical laboratory in order to eliminate inter-laboratory inconsistency in the annual data.<\/li>\n<li>Have a central repository for machinery history, including commissioning tests, data obtained from DGA, repairs, overloads etc.<\/li>\n<li>Integrate data into maintenance planning schedule so that alerts cause creation of work orders instead of an email being sent to somebody who might take a day off.<\/li>\n<\/ul>\n<p>As a result, having a consistent data makes every annual DGA test much more than a bureaucratic formality.<\/p>\n<h2 id=\"costs\">Cost of the Warning Layers<\/h2>\n<p>The cost of warning infrastructure is low when compared to the loss that it stops.1 The costs are estimated at around $50,000 per year for each fleet of 100 distribution units.<\/p>\n<table>\n<thead>\n<tr>\n<th>Layer<\/th>\n<th>Typical Annual Cost<\/th>\n<th>Was es verhindert<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Daily operator rounds (10 min\/day)<\/td>\n<td>$300\u2013$1,500<\/td>\n<td>Leaks, cooling faults, visible damage<\/td>\n<\/tr>\n<tr>\n<td>Annual DGA + oil quality package<\/td>\n<td>$350\u2013$900 per unit<\/td>\n<td>Insulation faults, moisture, contamination<\/td>\n<\/tr>\n<tr>\n<td>Annual electrical tests (IR, ratio, etc.)<\/td>\n<td>$300\u2013$1,500<\/td>\n<td>Winding and insulation degradation<\/td>\n<\/tr>\n<tr>\n<td>Online monitoring suite (critical units)<\/td>\n<td>$25,000\u2013$120,000 (capex) + $1,000\u2013$8,000\/yr<\/td>\n<td>Continuous fault-gas and PD escalation<\/td>\n<\/tr>\n<tr>\n<td>Avoided replacement (20\u201360 MVA)<\/td>\n<td>\u2014 (saves $250K\u2013$1.5M)<\/td>\n<td>Catastrophic failure<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The whole story is the gap in the numbers: the cost of a complete warning infrastructure for a fleet of 100 distribution units is equal to about $50,000\u2013150,000 per year. In turn, the potential cost of replacing a burnt medium-power transformer amounts to $250,000\u20131.5 million.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10757\" src=\"https:\/\/subian-electric.com\/wp-content\/uploads\/2026\/08\/Common-Pitfalls-in-Warning-Systems.webp\" alt=\"Common Pitfalls in Warning Systems\" width=\"1448\" height=\"1086\" \/><\/p>\n<h2 id=\"pitfalls\">Common Pitfalls in Warning Systems<\/h2>\n<ul>\n<li>Alarm tiredness: Operators pay no attention to alarms thanks to poorly set alarm levels. Always use tiered levels for alarms and check the alarm stats once every quarter.<\/li>\n<li>Ignoring baseline drift: Not adjusting DGA readings of the current year to last year&#8217;s with regard to load and temperature leads to false patterns.<\/li>\n<li>Lack of commit: any alarm becomes not an alarm if it does not mention who must respond to it.<\/li>\n<li>Putting emphasis on sensors forgetting the basics: No online monitor can outperform good connections, clean bushings, and correct setting of protection.<\/li>\n<li>Delaying the action: The most frequent cause of avoidable transformer failures is not missing the alarm but rather delay in execution of corrective actions after it has been seen.<\/li>\n<\/ul>\n<h2 id=\"faq\">H\u00e4ufig gestellte Fragen<\/h2>\n<h3>What are the main warning signs of an incipient transformer fault?<\/h3>\n<p>The most noticeable signs are elevated gas levels during DGA (hydrogen, ethylene, acetylene), an increase in temperature readings at a constant load, lower oil breakdown voltage levels, and higher oil moisture contents, plus any new sound or visual evidence obtained during daily inspections. According to IEEE C57.104 standards, TDCG of over 720 ppm or gas levels that have doubled from one-time sample reading to another must be treated with caution.<\/p>\n<h3>How often should a transformer be tested to provide early warning?<\/h3>\n<p>A properly functioning transformer should be subjected to DGA every 1-3 year; on the other hand, power transformers need testing on an annual basis. In case any kind of warning, overload, or Buchholz trip has occurred, it is best to undertake immediate testing then continue it over the following 3-6 months to gather all relevant information. Online monitoring devices may cost us anywhere from $25,000 to $120,000 but, given that they provide continuous monitoring, seem to be worth the money spent.<\/p>\n<h3>What is the difference between a warning and an alarm in transformer monitoring?<\/h3>\n<p>A warning shows that something is wrong, and thus some investigation is required at predetermined intervals (for example, DGA showing levels of 720-1920 ppm TDCG). An alarm, on the other hand, shows a critical level attained, such as 1,920 ppm TDCG, Buchholz tripping or turning of oil temperature into the 90\u201395\u00b0C range, and action must be taken immediately. Warnings are dealt with by maintenance staff, while alarms are to be dealt with by the operations department.<\/p>\n<h3>How much does a transformer maintenance and warning program cost?<\/h3>\n<p>For a medium-sized transformer, the cost of running full-service maintenance, as well as DGA, oil quality testing, and electrical testing during the year, is usually around $1500\u2013$5000. In addition, buying the online monitors will cost us $25,000-$120,000, on top of the annual costs. However, when compared to the possible replacement costs of $250,000\u2013$1,500,000, spending money on the program seems to be a good bargain.<\/p>\n<h3>Can online monitoring replace oil sampling?<\/h3>\n<p>No, although continuous online DGA monitoring devices help to keep track of trends and prevent problems from arising, laboratory DGA is still the best way of measuring oil characteristics in terms of accuracy and gas calculation. It is good practice to monitor the operation of online devices but always conduct confirmatory tests in laboratories for significant results obtained through online testing.<\/p>\n<h2 id=\"references\">Referenzen<\/h2>\n<ul>\n<li><a href=\"https:\/\/ieeexplore.ieee.org\/document\/9771388\" rel=\"nofollow noopener\" target=\"_blank\">IEEE C57.104: Guide for the Interpretation of Gases Generated in Oil-Immersed Transformers<\/a> \u2014 The reference for DGA thresholds and condition classification.<\/li>\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/352\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60599: Guide to the Interpretation of DGA in Mineral Oil-Impregnated Equipment<\/a> \u2014 International framework for gas interpretation in aged equipment.<\/li>\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/633\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60422: Supervision and Maintenance Guidance for Mineral Insulating Oils<\/a> \u2014 Oil quality limits and monitoring frequency guidance.<\/li>\n<li><a href=\"https:\/\/webstore.iec.ch\/en\/publication\/632\" rel=\"nofollow noopener\" target=\"_blank\">IEC 60076-7: Loading Guide for Oil-Immersed Power Transformers<\/a> \u2014 Temperature limits and loading guidance that inform warning thresholds.<\/li>\n<li><a href=\"https:\/\/www.cigre.org\/\" rel=\"nofollow noopener\" target=\"_blank\">CIGR\u00c9<\/a> \u2014 Technical brochures on condition monitoring and transformer asset management.<\/li>\n<li><a href=\"https:\/\/www.ieee.org\/\" rel=\"nofollow noopener\" target=\"_blank\">IEEE<\/a> \u2014 Reliability working group data and monitoring standards for transformers.<\/li>\n<li><a href=\"https:\/\/subian-electric.com\/de\/\">Jiangsu Subian Electric Power<\/a> \u2014 IEC 60076-compliant transformer manufacturer supporting monitoring-ready designs and maintenance guidance.<\/li>\n<\/ul>\n<h2 id=\"conclusion\">Fazit<\/h2>\n<p>A detection technique for transformer defects consists not merely of a sensor or test but many systems combined. There are physical symptoms picked up during daily inspections, chemical reactions identified with testing, along with trend analysis making sense of the information gathered, as well as ongoing monitoring which is needed by certain transformers. Thresholds are taken from the IEEE C57.104 standard as well as IEC 60599 and different responses are ensured via protocols.<\/p>\n<ul>\n<li>Daily inspections, testing, trends and ongoing monitoring are what is needed to have full coverage of what needs to be monitored.<\/li>\n<li>Tiered thresholds are to be set along with rising rate alarms, with quarterly reviews.<\/li>\n<li>Respond to every alarm in accordance with protocols, with documented owner responsible for the procedure.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>The operator at the substation observes that the DGA trend of the 15 MVA unit has moved from \u201dnormal\u201d to \u201dcaution\u201d level in the quarterly report. Hydrogen increased from 45 to 130 ppm, while ethylene was also detected. None of the alarms were activated, and no trip took place. However, the warning system did its [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":10755,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[77],"tags":[],"class_list":["post-10754","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/subian-electric.com\/de\/wp-json\/wp\/v2\/posts\/10754","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/subian-electric.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/subian-electric.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/de\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/de\/wp-json\/wp\/v2\/comments?post=10754"}],"version-history":[{"count":2,"href":"https:\/\/subian-electric.com\/de\/wp-json\/wp\/v2\/posts\/10754\/revisions"}],"predecessor-version":[{"id":10984,"href":"https:\/\/subian-electric.com\/de\/wp-json\/wp\/v2\/posts\/10754\/revisions\/10984"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/subian-electric.com\/de\/wp-json\/wp\/v2\/media\/10755"}],"wp:attachment":[{"href":"https:\/\/subian-electric.com\/de\/wp-json\/wp\/v2\/media?parent=10754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/subian-electric.com\/de\/wp-json\/wp\/v2\/categories?post=10754"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/subian-electric.com\/de\/wp-json\/wp\/v2\/tags?post=10754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}