Oil-immersed transformer
Primary voltage range
Transformer capacity
6kV 10kV 11kV 15kV 20kV 22kV 33kV 35kV
Common capacities: 63kVA, 100kVA, 160kVA, 200kVA, 315kVA, 400kVA, 500kVA, 630kVA, 800kVA, 1000kVA, 1250kVA, 1600kVA, 2000kVA, 2.5MVA, 3.15MVA 4MVA, 5MVA, 6.3MVA, 10MVA
Vector group
Frequency
Dyn11, Yyn0,Dyn5
50Hz, 60Hz
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.