影响变压器的一般电力质量因素

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delta-wye208/120V60Hz60Hz1.kVAz123zkVAkVAz45kVAkVAzkVAkVA502.2.z3delta-wyedeltadelta-wye35731.FlukeDigitalLibrary@www.fluke.com/library11.kVA2.3.4.K-5.50%•/357••%THD5%%THD5-20%2•NEC•-•ESG()()z6UPS5755z/zz+1.33180Hz.2.3.••5•33.z5%z5-20%IEEE519PCCIEEE5193a.E=IZ22IEEE519SCR=(Isc/IL)Isc=IL=(rmsamps)TDD=IEEEIEC5%IL2IL12IL1995IEC1000-3-2402001CEIEEE519EN50160IEEE5192SCR3c.TDDTHDTDDILTHDTHDTDDTHD?THDTDDTHDTHDTDDTHD5%.5%–3b.3N-GN-G603THD4.K-K-THDK-4K-1THDKKKKK-4,K-13,K-20,K-30K-13PDU5.N-GzN-Gz3.3NEC250250-26SDSzN-G…zN-GN-G3.4zzzKz1.(SDS)SDS-NEC100SDSzzzSDSRFzSDSNEC100SDSSDS2.K4.KzNSz9zKKK%HD5KKdeltaKKK20KPDUK13KK5-6%K2-3%KK3.50%150kVA75kVAIEEE1100-1992EmeraldBook60%SMPS50%1.2.3.XformerxHDF=(1.414*IRMS)/IPEAK4./xHDF=1.414/CFCF=1.414xHDF=1(%)%CF2.0xHDF=1.414/2=0.71CF=3xHDF=0.47.CF=3CFANSI/IEEEC57.1104.20–30%6

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