high-and low-voltage switch cabinet
XWB-12/0.4 high voltage / low voltage prefabricated substation is under the leadership of the original Department of energy power company, by the Ministry of Energy Electric Power Research Institute (EPRI) and Wuhan High Voltage Research for tissue is rich in the production and use of the box from the experience of the five City Power Supply Bureau and eleven manufacturers, in the peel box at home and abroad change production and operation experience serious research based, combined with the power supply current situation in China and jointly developed a new generation of box type substation, the technical performance of products to meet ZBK4001, SD320 standard requirements.
Main technical parameters
Project unit high voltage side transformer low voltage side
Rated capacity 50-800 KVA
Rated voltage L2 12/0.4 kV 0.4
Rated current l00-630 20-40 100-1250 A
Rated short circuit breaking current (RMS) 25-40 kA
Rated short circuit withstand current (effective value) S * 20X2 15X1 kA
30X1 16X2
Imin power frequency withstand voltage kV on the fracture dip 20 dry Shantou
Four hundred and twenty-four million eight hundred and thirty-five thousand two hundred and eighty-two point five
Lightning impulse withstand voltage kV 758575
Protection level IP2X IP3X IP3X
The noise of oil immersed transformers dB 55
Dry type variable organ 65