YB6-12 prefabricated substation

In accordance with the standards: GB/T 17467-1998 Applications: new residential, green belts, parks, railway stations, docks, hotels, airports and other places. Features: Low noise,low loss,Strong overload capacity.Use S10 type ransformer without external shell.Use of transformer oil as insulation and arc-extinguishing medium.It comprises of up and down oil tanks and switchgears.Equipped with short phase protection devices.Technical parameters: No. NameSymbolParameters 1 Rated voltage Primary kV12 Secondary 0.4 2 Rated capacity kVA100,125,160,200,250,315,500,630,800 3 Unloaded pressure regulation ±2×2.5 4 Rated insulator Power frequency withstand voltage(1min) kV 35 Lightning impulse withstand voltage75 5 Low voltage side power frequency withstand phase and phase-to- ground1min Main circuit 2.5 Protection and Metering circuit 2.0 ≤250≤200≤180≤1506 Height of insert Dyn11 7 Noise level dB50 8 Cooling method oil immersed self cooled Orders information: l High and low voltage main connection diagram; l Type ,Specification,Qty of electric elements ; l Transformer capacity; l Protection grade and draft type; l Other special requirements.