Oil-immersed transformers

220kV double split transformer

In order to solve the problem of large-scale super capacity centralized power generation of new energy power stations, double split structure is adopted. Each phase of a double-split transformer consists of a high-voltage winding and two low-voltage windi

Product characteristics

Low loss

reasonably select the working magnetic density of the core
Reduce the working electrical density of each winding
Reduce structural loss
Low partial discharge

control dust control
Rounded electrode
Vacuum oiling
Low noise

Low noise fan motor
Core end coated with epoxy glue
Retrofit oil tank soundproofing
High reliability

strong short-circuit resistance
No leakage of product
Elimination of local overheating

Operating condition

-15℃～+40℃

Ambient air temperature
≤90% (when the temperature is 25℃)

Ambient air monthly mean maximum relative humidity
≤2KM

Altitude

Specification parameter

Capacity	100000-300000kVA
Voltage	220/35kV
Vector group	YNd11-d11
Impedance	15~25% (semi-crossing)
Capacity ratio	100/50+50

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