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A 220 kV Three Phase Power Oil Immersed Transformer is a high-capacity electrical device used to transfer electrical energy between circuits through electromagnetic induction. It uses insulating oil for cooling and insulation, ensuring safe and efficient performance in high-voltage transmission networks.
This transformer is widely used due to its excellent cooling performance, high insulation strength, and ability to handle large loads continuously. It is particularly suitable for national grids, substations, and large industrial applications where reliability is critical.
The transformer uses high-quality silicon steel cores and advanced winding technology to reduce energy losses. Its oil circulation system efficiently dissipates heat, maintaining optimal operating temperatures and improving overall system efficiency.
Yes, as an experienced Manufacturer, Zisheng provides fully customizable solutions. Parameters such as capacity, voltage ratio, cooling method, and protection systems can be tailored to meet specific project requirements.
Key advantages include strong overload capacity, excellent short-circuit resistance, long operational life, and reliable performance in extreme climates. These features make it an ideal choice for demanding power transmission applications.
A power distribution company in Ghana upgraded its substation infrastructure by installing Zisheng 220 kV Three Phase Power Oil Immersed Transformer, significantly improving grid stability and reducing outage frequency.
A mining operation in Peru required a durable and high-capacity solution. Zisheng, as the Supplier, delivered a customizable transformer capable of stable operation in high-altitude and high-temperature conditions.
In Indonesia, a renewable energy EPC contractor integrated Zisheng transformers into a solar power plant, achieving efficient energy conversion and reliable long-term performance.
A utility company in Nigeria selected Zisheng as its Manufacturer partner to supply multiple units for urban substations, successfully meeting increasing electricity demand with consistent performance.
Parameter | Specification |
|---|---|
Rated Voltage | 220 kV |
Rated Capacity | 50 MVA – 250 MVA |
Phase | Three Phase |
Frequency | 50 Hz / 60 Hz |
Cooling Method | ONAN / ONAF / OFAF |
Vector Group | YNd11 / YNd1 (Customizable) |
Insulation Level | LI 1050 kVp / AC 460 kV |
Temperature Rise | ≤ 65K |
Tap Changer | OLTC / Off-load |
Standards | IEC / ANSI / GB |
What is the typical service life of a 220 kV Three Phase Power Oil Immersed Transformer?
The service life generally ranges from 25 to 35 years with proper maintenance and regular inspections.
How often should maintenance be performed on the transformer?
Routine inspections should be conducted annually, while oil testing and condition monitoring are recommended to ensure long-term reliability.
Is this transformer suitable for extreme environments?
Yes, it is designed to operate efficiently in high temperature, high humidity, and other harsh environmental conditions.
Can the transformer be customized for different voltage requirements?
Yes, Zisheng offers fully customizable solutions based on project specifications and regional standards.
What certifications are available for this product?
The transformer complies with international standards such as IEC, ANSI, and GB, ensuring quality and safety compliance.
An oil immersed transformer uses insulating oil for both cooling and electrical insulation, making it ideal for high-voltage and heavy-load applications.
Oil immersed power transformers are designed for large-scale power transmission systems, offering high efficiency and stable operation.
A 1000 kVA oil filled transformer is commonly used in medium-sized distribution networks, providing reliable voltage regulation and efficient cooling.
Hermetically sealed transformers prevent moisture ingress and oil oxidation, extending service life and reducing maintenance requirements.
Immersed transformers refer to units where the core and windings are submerged in insulating liquid to enhance cooling and insulation performance.
Oil filled distribution transformers are widely used in urban and rural networks, ensuring consistent and efficient power delivery.
Oil filled transformers are available in various sizes, ranging from small distribution units to large power transformers for grid applications.
This type of transformer is designed for distributing electricity efficiently at lower voltage levels while maintaining reliability.
These transformers offer superior protection against environmental contamination, ensuring long-term stable operation.
Self-cooled transformers rely on natural oil circulation and air cooling, providing energy-efficient performance without external cooling systems.
Oil immersed type transformers are known for their durability, excellent insulation, and suitability for high-load conditions.
Three phase oil immersed transformers are essential for industrial and utility applications, enabling efficient large-scale power distribution.
Transformer oil immersed type products are widely used due to their proven reliability, efficiency, and adaptability in various power systems.