Oil-immersed transformer

Primary voltage range ≤72.5kV
Our company has production experience and practical cases in the production of power distribution equipment for the following primary voltages: 6.6kV, 10kV, 11kV, 15kV, 20kV, 25kV, 33kV, 35kV, 66kV, and 72.5kV.

Transformer capacity ≤100MVA.
Common capacities: 63kVA, 100kVA, 160kVA, 200kVA, 315kVA, 400kVA, 500kVA, 630kVA, 800kVA, 1000kVA, 1250kVA, 1600kVA, 2000kVA, 2500kVA, 3150kVA, 4000kVA, 5000kVA, 6300kVA

Vector group:Dyn11, Yyn0,Dyn5

Frequency:50Hz/60Hz

The Economic Powerhouse for Demanding Applications. Oil-immersed transformers are the cost-effective champion for outdoor and industrial settings requiring continuous, high-load operation. Renowned for their robust power handling, unmatched price-to-performance ratio, and excellent outdoor endurance, they form the foundational pillar of reliable power systems.

Core Advantages of Oil-immersed Transformers

Unmatched Cost-Effectiveness & Full Power Capability: Boasting exceptionally mature technology, they offer the lowest cost per kVA. Designed to handle 100% rated load continuously with inherent overload capacity, they deliver the most economical power conversion solution.

Superior Thermal Management & Proven Reliability: The circulating insulating oil ensures efficient heat dissipation, guaranteeing stable operation under high ambient temperature and heavy loads. With a design life exceeding 25-30 years and proven long-term durability, they are the backbone of robust power systems.

Robust Environmental Adaptability: Featuring high ingress protection (IP) ratings, they are engineered for direct outdoor installation. Capable of withstanding harsh weather, pollution, and wide temperature ranges, they save critical indoor space and associated construction costs.