SD126-84(SD126-84)(84)5619836484.811.150Hz1.21.31.4027-82742051()110kV1.5%2.1110kV2%2.22.22.32.175%2.22.42.175%2.22.2*027-82742051*B2.52.32.32.32.4B2.30.38kV2.62s30s()2.22.52.72.32.42.8110kV027-82742051=×100100A.3nDFInnInI1DFnnIII=×100100027-82742051()()DFnUUUn=×=∞∑22100100A.5()()DFnIIIn=×=∞∑22100100A.6BB.1()DFnNnkUUnIS=31000n()DFnUU(kV)N(MVA)Skn(n=2345)n(A)InnISUUnnknNDF3=10B.2()nIIIIInInIInInIInn=++222&cosθn(A)IInn(A)IIIn027-82742051=++22B.32.2C.1C.2B.1B.1220kV2.2B.1ISSInk1k2np=(MVA)Sk1B.1(MVA)Sk22.2n(A)InpSk1n(A)InCC.12.2(C.1C.2)2.32.4C.2(1)027-82742051(2)(3)(219)(4)()C.1C.2C.3C.42423027-82742051