Description
The 500kVA oil immersed transformer is a reliable and cost-effective solution for medium-scale power distribution projects. Designed for stable performance and efficient heat dissipation, this oil filled transformer is widely used in industrial plants, commercial facilities, and solar power systems. With flexible voltage options and factory direct supply, we provide high-quality transformers that meet your exact project requirements while ensuring competitive pricing and fast delivery.
500KVA Oil Immersed Transformer

This powerful image showcases our flagship product: the high-performance 500KVA oil immersed transformer. Engineered for durability and reliability in the most demanding industrial applications, this unit is the cornerstone of efficient power distribution.
The robust construction visible here is designed to deliver two critical advantages: Super Overload Capacity, which allows this 500KVA oil immersed transformer to handle significant power surges and peak demands without failure, and a Low-loss Design, achieved through high-quality core materials that minimize energy waste and significantly reduce operating costs over its lifespan.
Investing in this 500KVA oil immersed transformer guarantees a resilient and economical power solution for your project.
500 kVA Transformer Oil Capacity
- Typical oil capacity of a 500 kVA oil immersed transformer ranges from 400 to 600 liters, depending on design and cooling method.
- Oil serves as insulation and cooling medium.
- Higher oil volume improves heat dissation and extends transformer lifespan.
| Capacity | Oil Volume | Cooling Type |
|---|---|---|
| 500 kVA | 400–600 L | ONAN |
500KVA Oil Immersed Transformer Parameters

Production Line

We build uncompromising quality into every 500kVA oil immersed transformer we produce, as illustrated by this detailed look at our manufacturing process.
Each unit begins with precision Cutting Material to ensure exact specifications.
During the winding stage, our skilled technicians form the heart of the transformer by crafting the coils with meticulous care.
Assembling brings all components together under strict quality controls.
The critical Vacuum Drying phase removes all moisture, guaranteeing superior insulation integrity and long-term stability.
Before shipment, every 500KVA oil immersed transformer undergoes rigorous Testing to validate all performance parameters, ensuring the Finished Product that reaches you is nothing short of exceptional.
This end-to-end control is what defines our 500KVA oil immersed transformer.
500KVA Oil Immersed Transformer Projects

This map of international projects powered by our oil immersed transformers demonstrates the global trust in our products. From the rugged demands of the Mongolian Gold Mine Project and the Ethiopian Plastic Factory to critical infrastructure like the Hong Kong Zhuhai-Macao Bridge and the U.S. Grid Infrastructure Project, our transformers prove their mettle.
They are also instrumental in public works initiatives like Rural power grid renovation in Zambia and monumental endeavors like the Hubei Three Gorges Project. This diverse portfolio is a testament to the adaptability, reliability, and robustness of our oil immersed transformer across various industries and environmental conditions worldwide.
Packaging & Shipping

Why Choose Us
- Factory Direct Supply
We provide competitive factory pricing with no middlemen, helping you reduce project costs. - Custom Voltage Solutions
Support 6kV to 35kV primary voltage and customized configurations for different applications. - Reliable Quality & Performance
Manufactured with high-grade silicon steel and pure copper windings for stable operation. - Fast Delivery Time
Standard models available with delivery time of 15–25 days for urgent project needs. - Global Export Experience
Successfully exported to over 50 countries with professional packaging and logistics support. - Long Service Life
Advanced oil cooling system ensures efficient heat dissipation and extended lifespan.
Certifications

We manufacture our 500kVA oil immersed transformers in accordance with international quality standards to ensure reliable performance and safe operation in various power distribution applications.
- ISO Certified Manufacturing
Our factory operates under strict quality management systems to ensure consistent product quality. - Designed Based on IEC Standards
Our transformers are designed according to widely accepted international technical standards for power equipment. - Compliance with International Standards
Designed and manufactured based on IEC standards and other relevant technical requirements for global markets. - Strict Quality Control Process
From raw material selection to final assembly, every step is carefully inspected to guarantee durability and performance. - Export-Ready Packaging
Professional export packaging ensures safe transportation for long-distance international shipping.
Global Cooperation

A dedicated team drives customer success behind every great product. This photo captures a collaborative meeting between our company’s leadership, sales experts, and valued international clients. It underscores our commitment to building lasting partnerships rather than just processing transactions.
We prioritize direct communication to understand your unique oil immersed transformer requirements. Our team provides expert technical support from consultation to after-sales service. Choose us as a reliable partner for your project’s success and satisfaction.
FAQ
Q1: What is the oil capacity of a 500 kVA transformer?
The oil capacity of a 500 kVA oil immersed transformer typically ranges from 400 to 600 liters, depending on the design, cooling method, and manufacturer specifications.
Q2: What is the price of a 500kVA oil immersed transformer?
The price varies based on voltage level, materials, and customization requirements. Please contact us to get a factory direct quotation for your project.
Q3: What is the difference between oil filled and dry type transformer?
Oil filled transformers use insulating oil for cooling and insulation, offering better heat dissipation and higher capacity. Dry type transformers use air cooling and are suitable for indoor or fire-sensitive environments.
Q4: Can you customize the 500kVA transformer specifications?
Yes, we support full customization including voltage, frequency, cooling method, and installation type based on your project requirements.
Q5: What are the applications of a 500 kVA oil immersed transformer?
They are widely used in industrial plants, commercial buildings, power distribution systems, and solar energy projects.
Q6: What is the delivery time for a 500kVA transformer?
The standard delivery time is 15–25 days, depending on the order quantity and customization level.







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