Ps= 3500(kw)Kj= 1COSψ= .9Un= 380(kV)Pjs=Kj*Ps= 3500(kw)Sjs=Pjs/cosψ= 3888.88888888889(kw)Ijs=Sjs/(sqr(3)*Un)= 5908.55538644354(A)高压电缆用3X150铜芯铠装电缆变压器用4000KVA(分2台2000KVA)铝线3X185