200kVA oil filled transformer

Stable and Efficient Power Solution for Distribution Networks

A 200kVA oil filled transformer is a widely used power distribution transformer designed to step down medium voltage electricity to low voltage levels with high efficiency and long-term reliability. By using transformer oil for insulation and cooling, this type of transformer ensures stable thermal performance, strong overload capability, and extended service life, making it a preferred choice for substations and industrial power systems.

Manufactured by Lugao Power, the 200kVA oil filled transformer is engineered to meet international standards while addressing real-world operational and maintenance challenges faced by utilities, EPC contractors, and industrial users.

Oil Immersed Transformer

Product Overview

The 200kVA oil filled transformer is designed for continuous operation in power distribution systems where reliability and cost-effectiveness are critical. Transformer oil serves a dual purpose: providing electrical insulation and dissipating heat generated during operation. This design enables stable performance under fluctuating loads and harsh environmental conditions.

Compared with dry type transformers, oil filled transformers offer better cooling efficiency and higher overload tolerance, making them suitable for outdoor substations and heavy-duty applications.

Design & Technical Structure

Lugao’s 200kVA oil filled transformer features a compact yet robust structure, combining high-quality copper or aluminum windings with low-loss silicon steel cores. The sealed or conservator-type oil tank is designed to minimize oil oxidation and moisture ingress, ensuring long-term insulation stability.

Precision manufacturing processes and strict dimensional control ensure uniform magnetic flux distribution, reduced no-load losses, and lower operating noise.

Key Characteristics & Benefits

High Thermal Efficiency

Transformer oil provides excellent heat dissipation, allowing the transformer to operate efficiently even under high ambient temperatures or variable load conditions.

Long Service Life

Oil insulation protects windings from thermal stress and electrical aging, significantly extending operational lifespan compared to air-cooled alternatives.

Strong Overload Capability

The 200kVA oil filled transformer can handle short-term overloads safely, which is critical for power networks with peak load fluctuations.

Cost-Effective Solution

Lower initial investment and proven durability make oil filled transformers an economical choice for long-term power distribution projects.

Typical Applications

The 200kVA oil filled transformer is commonly used in:

Distribution substations

Industrial plants and factories

Commercial and residential power networks

Infrastructure and construction projects

Rural and urban grid expansion

These environments require stable voltage regulation, low failure rates, and dependable long-term operation.

Reliability in Outdoor Environments

Oil filled design ensures stable insulation performance in humid, dusty, or high-temperature environments where dry type transformers may face limitations.

Reduced Maintenance Frequency

With proper oil sealing and quality control, routine maintenance requirements are minimal, lowering total operating costs over the transformer’s lifecycle.

Standardized Compatibility

The transformer is designed to match common voltage ratios and installation requirements, reducing integration risks for new or retrofit projects.

Consistent Quality Supply

As a professional manufacturer, Lugao ensures stable production capacity and consistent product quality for bulk procurement and long-term projects.

Quality Control & Standards

Lugao Power strictly implements international quality management systems throughout the manufacturing process. Each 200kVA oil filled transformer undergoes routine tests, including insulation resistance, ratio testing, no-load and load loss testing, to ensure compliance with global technical requirements.

Why Choose Lugao Power

Lugao Power is a specialized manufacturer focusing on oil immersed and dry type transformers for global markets. With advanced production equipment, experienced engineering teams, and comprehensive testing facilities, Lugao delivers reliable transformer solutions for diverse power distribution needs.

Key advantages include:

Proven expertise in oil filled transformer manufacturing

Strict quality control and full factory testing

Flexible customization for voltage, connection, and standards

Professional technical support and responsive after-sales service

Lugao is committed to helping customers build stable, efficient, and long-lasting power systems.

Conclusion

The 200kVA oil filled transformer from Lugao Power offers a balanced combination of efficiency, durability, and economic value. Designed for reliable power distribution and long-term operation, it is an ideal solution for substations, industrial facilities, and infrastr

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