Product Overview
Sealed Wind Power Combined Substation from a Professional Factory in China
The ZGS-35/0.8 combined wind power substation is specialized machinery designed for the connection of wind turbine grid to elevate the voltage produced by the generator of 0.6 to 0.69kV to 35kV. With a compact design that incorporates the high voltage switch, the fuse, and the transformer case using the transformer liquid for insulation, it provides an easily installed solution for wind energy generation sites.
Applications & circuit protection
The hybrid substation serves the purpose of connecting wind turbines and the collection network of 35kV, using the transformer’s protection to connect into the power grid safely.
- Wind farm: Stepping-up substation per turbine or cluster.
- Grid connection: 35kV to cater to collection networks.
- Distributed wind: A solution for smaller wind sites.
- OEM supply: A packaged solution for developers of wind projects.
Construction & operating reliability
The sealed enclosure keeps the transformer and switching equipment protected from outdoor conditions while the integrated design reduces site installation work.
- Sealed enclosure with transformer liquid insulation and cooling
- Integrated high-voltage load switch and fuse protection
- Compact structure and small footprint
- Easy installation at wind power sites
- Suitable for various wind power generation configurations.
Technical Parameter
| Parameter | Value |
| Rated voltage | 10 / 0.4 kV (HV / LV) |
| Maximum operating voltage | 12 kV (HV side) |
| Rated frequency | 50 Hz |
| Rated capacity | 50-1600 kVA |
| 1-min power frequency withstand voltage | 35 kV |
| Lightning impulse voltage | 75 kV |
| Cooling method | Oil natural air natural (ONAN) |
| No-load regulation | ±5% / ±2×2.5% |
| Degree of protection | IP43 |
| Noise level | ≤50 dB |
| High-voltage rating | 35 kV |
| Low-voltage rating | 0.6 / 0.69 kV (turbine side) |
| Function | Step-up transformer + protection in one unit |
| Switching | High-voltage load switch with fuse |
| Cooling medium | Transformer insulation liquid |
| Enclosure | Sealed, outdoor rated |
| Standard | IEC / GB 17467 |
Box Substation Cost & Factory Quote
The cost of Wind Power Combined Substation depends on kVA rating, design of the HV/LV switchgear, type of transformer and the options for the enclosure. Provide us with your schematic and quantity to get our quote.
- Our quote includes transformer, switchgear and LV panel
- We offer custom colors and branding free of charge
- FOB / CIF / DDP can be arranged
Substation Wiring & Site Connection
The entire system is supplied with all cable access points for the main electrical feed and low voltage power supply present, with all internal connections pre-tested. To install, it will only be necessary to connect the incoming bulk medium voltage cables, outgoing low voltage cables and earthing system connection point; the work done in the factory ensures there is no delay in installation.
- All internal wiring has been completed and tested
- HV/LV cable access points in place according to layout
- Earthing connection point is provided
Compare Substation Options
Choose the configuration that matches your site:
| Feature | This Unit | Alternative |
| Capacity | As specified | Other kVA ratings available |
| HV/LV | Per single-line diagram | Custom configuration |
| Enclosure | IP43 / IP54 | Indoor or outdoor layout |
| Application | Distribution / renewables | Utility, industrial or solar/wind |
Export Markets & Country Compatibility
Completely assembled substations are exported for projects throughout Asia, Africa, the Middle East, Latin America and the Pacific region. Each unit is made according to the grid standard, voltage class and installation law established in the recipient country.
Substation Dimensions, Weight & Delivery
The dimensions and mass of a specific type of substation depend on its power and arrangement scheme. For example, for a substation between 250 and 630 kVA the length will range from 3000 to 5000 mm, the width will range from 1500 to 2500 mm and the height will be either 1800 or 2600 mm. All in all, the total size, weight and lifting spot have been indicated in the project.
- The overall dimensions proved in the project documentation
- The sections adapted for transportation
- Lifting and installation scheme provided
Standards & certifications
Unit manufactured in accordance with IEC / GB 17467 applicable standards and has provision of type-test documents for wind farm project approval.
- Design regulation: IEC / GB 17467.
- Transformer, switch and fuse technology is integrated.
- Weatherproof enclosure.
- Documentation for project and grid approval is available.
OEM & B2B supply support
Subian Electric is a leading manufacturer of power equipment and is an original equipment supplier to both wind farm developers, EPC contractors and wind farm distributors, regarding combined substation supply and support.
When you have an inquiry for special capacities or voltage types, simply provide us the details of turbine output capacities, quantity and destination market.
- We can provide samples and technical drawings upon request.
- Buying power for wind-generated energy generation projects is highly flexible with us.
- We also offer OEM / ODM customizing services.
- We offer custom marking and packaging services.
- We also provide complete sets of technical documents and certificates.
Frequently Asked Questions
What is a wind power combined substation?
The combined power station is made of a transformer, high-voltage switch and fuse. The combined power station raises the voltage of the turbine from 0.6 to 0.69kV to the voltage of 35kV for connection with the grid.
Why choose a sealed combined substation?
As it has a sealed design, it keeps the equipment from bad influence of weather conditions, less site work and lowers the cost of construction for a wind energy system.
What capacity can be supplied?
The powers will depend on the turbine and project need. Please write us your specification for verification.
Do you support complete wind farm supply?
Of course, we help the wind power plant developer, EPC contractors, installers and distributors with technical qualifications and documentation.
