Zisheng is a professional manufacturer and supplier of high-performance 220 kV Three Phase Power Oil Immersed Transformer, designed to meet the demanding requirements of modern power transmission and distribution systems. Built with advanced insulation materials and precision engineering, this transformer ensures stable operation, high efficiency, and long service life even in harsh environments. As a customizable solution provider, Zisheng guarantees full capacity output, excellent overload capability, and compliance with international standards. Widely used in substations, industrial facilities, and infrastructure projects, this product delivers reliable power support for global energy networks.
A 220 kV Three Phase Power Oil Immersed Transformer is a high-voltage electrical device used to step up or step down voltage levels in large-scale power transmission systems. As a core product offered by Zisheng, this transformer uses insulating oil for cooling and insulation, ensuring stable performance and enhanced safety. It is widely applied in national grids, renewable energy plants, and industrial power systems.
Choosing a reliable manufacturer like Zisheng ensures strict quality control, certified production processes, and consistent product performance. With advanced production lines and experienced engineers, Zisheng delivers transformers that meet IEC and other international standards, minimizing risks of failure and ensuring project acceptance.
This transformer adopts low-loss silicon steel cores and high-conductivity windings, effectively reducing no-load and load losses. The optimized oil circulation system enhances heat dissipation, allowing the transformer to operate efficiently under continuous heavy loads, reducing overall energy consumption.
It is widely used in large substations, power plants, mining operations, and infrastructure projects. Its robust design allows it to perform reliably in high temperature, high humidity, and other harsh environmental conditions, making it suitable for global markets including Africa, Southeast Asia, and South America.
Yes, as a professional supplier, Zisheng provides fully customizable solutions based on project requirements. Parameters such as voltage ratio, capacity, cooling method, and installation conditions can be tailored to meet specific operational needs, ensuring perfect compatibility with different power systems.
Zisheng are a professional 19+ years manufacturer in producing Oil-Immersed Transformers, Compact Substation, Pad Mounted Transformers, Pole Mounted Transformers and Dry Type Transformers. We own the certificates of ISO/CE/IEC 60076 and TUV Rheinland.
Transformers undergo rigorous FAT and type testing, support voltage/capacity customization. Welcome to consult for Catalog and Product. you can contact us at email info@bdzstransformer.com.
A power distribution contractor in Malaysia selected Zisheng as the supplier for a 220 kV Three Phase Power Oil Immersed Transformer. The project required high efficiency and reliable operation under tropical climate conditions. The transformer was delivered on time and successfully commissioned, ensuring stable power supply.
A government-backed power company in Ghana sourced customized transformers from Zisheng. The product met strict certification standards and passed all acceptance tests, supporting the expansion of the national transmission network.
An industrial park developer in Indonesia required a durable and energy-efficient transformer solution. Zisheng provided a tailored product with enhanced overload capacity, ensuring uninterrupted operation for heavy industrial loads.
A solar energy EPC contractor in Brazil chose Zisheng as the manufacturer for grid connection transformers. The equipment improved power conversion efficiency and contributed to the project’s overall energy-saving goals.
| Rated Capacity (MVA) | Voltage HV (kV) | Voltage LV (kV) | Frequency (Hz) | Cooling Method | Impedance (%) | Vector Group |
|---|---|---|---|---|---|---|
| 100 | 220 | 110 | 50/60 | ONAN/ONAF | 10.5 | YNd11 |
| 125 | 220 | 110 | 50/60 | ONAN/ONAF | 10.5 | YNd11 |
| 160 | 220 | 110 | 50/60 | ONAN/ONAF | 10.5 | YNd11 |
| 200 | 220 | 110 | 50/60 | ONAN/ONAF | 12 | YNd11 |
| 250 | 220 | 110 | 50/60 | ONAN/ONAF | 12 | YNd11 |
Note: All parameters comply with IEC 60076-1/7 standards. Custom voltage grades (18kV/22kV) and technical parameters are available for specific grid requirements.
Under proper maintenance, it can operate reliably for more than 25–30 years.
Choose a certified manufacturer like Zisheng that provides full test reports, compliance certificates, and strict quality inspection before delivery.
Yes, it is designed with an efficient cooling system and high-quality insulation materials to ensure stable operation in hot climates.
Yes, Zisheng offers fully customizable solutions according to project requirements.
The product complies with IEC standards and can be customized to meet specific regional certification requirements.
Proper installation requires a solid foundation, correct oil filling procedures, and professional electrical connections to ensure safe operation.
Regular oil testing, insulation checks, and temperature monitoring are essential to extend service life.
High-quality mineral insulating oil is commonly used, with options for environmentally friendly alternatives.
Use specialized logistics methods, including shock-proof packaging and secure fastening during transportation.
Routine tests such as insulation resistance, winding resistance, and ratio tests must be conducted.
Common issues include oil leakage, overheating, and insulation degradation.
Using high-grade core materials and optimizing load management can significantly improve efficiency.
ONAN and ONAF cooling methods are commonly used to ensure effective heat dissipation.
Choose a manufacturer with proven experience, strong production capacity, and reliable after-sales support.
ProjectBaoding Zisheng Electrical Equipment Co., Ltd supplied customized oil immersed transformers for a food processing plant project in Tema, Ghana. The customer...
NewsReliable transformers are essential for stable power transmission in industrial and infrastructure projects. Baoding Zisheng Electrical Equipment Co., Ltd provides customized transformer...
NewsAs global infrastructure and energy demand continue to grow, reliable power distribution equipment has become essential for industrial facilities, utility networks, renewable...
