220 kV Three Phase Power Oil Immersed Transformer

110 kV Three Phase Power Oil Immersed Transformer
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220 kV Three Phase Power Oil Immersed Transformer

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.

Key Features:

  • High Efficiency Design
  • Superior Insulation System
  • Strong Overload Capacity
  • Stable Thermal Performance
  • Customizable Solutions

What is a 220 kV Three Phase Power Oil Immersed Transformer?

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.

Why choose a 220 kV Three Phase Power Oil Immersed Transformer Manufacturer?

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.

How does a 220 kV Three Phase Power Oil Immersed Transformer improve efficiency?

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.

Where can a 220 kV Three Phase Power Oil Immersed Transformer be used?

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.

Can a 220 kV Three Phase Power Oil Immersed Transformer be customizable?

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.

About ZISHENG ELECTRICAL

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.

Malaysia Substation Project

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.

Ghana National Grid Expansion

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.

Indonesia Industrial Park Project

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.

Brazil Renewable Energy Project

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.

Product Specifications

Rated Capacity (MVA)Voltage HV (kV)Voltage LV (kV)Frequency (Hz)Cooling MethodImpedance (%)Vector Group
10022011050/60ONAN/ONAF10.5YNd11
12522011050/60ONAN/ONAF10.5YNd11
16022011050/60ONAN/ONAF10.5YNd11
20022011050/60ONAN/ONAF12YNd11
25022011050/60ONAN/ONAF12YNd11

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.

How to install a 220 kV Three Phase Power Oil Immersed Transformer correctly?

Proper installation requires a solid foundation, correct oil filling procedures, and professional electrical connections to ensure safe operation.

How to maintain a 220 kV Three Phase Power Oil Immersed Transformer?

Regular oil testing, insulation checks, and temperature monitoring are essential to extend service life.

What oil is used in a 220 kV Three Phase Power Oil Immersed Transformer?

High-quality mineral insulating oil is commonly used, with options for environmentally friendly alternatives.

How to transport a 220 kV Three Phase Power Oil Immersed Transformer safely?

Use specialized logistics methods, including shock-proof packaging and secure fastening during transportation.

How to test a 220 kV Three Phase Power Oil Immersed Transformer before commissioning?

Routine tests such as insulation resistance, winding resistance, and ratio tests must be conducted.

What are the common faults in a 220 kV Three Phase Power Oil Immersed Transformer?

Common issues include oil leakage, overheating, and insulation degradation.

How to improve the efficiency of a 220 kV Three Phase Power Oil Immersed Transformer?

Using high-grade core materials and optimizing load management can significantly improve efficiency.

What is the cooling method of a 220 kV Three Phase Power Oil Immersed Transformer?

ONAN and ONAF cooling methods are commonly used to ensure effective heat dissipation.

How to select the right 220 kV Three Phase Power Oil Immersed Transformer supplier?

Choose a manufacturer with proven experience, strong production capacity, and reliable after-sales support.