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1、与有名值同单位）基准值）实际有名值（任意单位标么值(kV5 .10UGkV5 .10UB15 .105 .10UUUBGGkV10UB05. 1UGkV1UB5 .10UG*BIII*BUUU*BSSS*BZZZ*BZZZ*BIII*BSSS*BUUUphphS3UI3SU3ZI3U phphSIUSUIZUBphBBBBphBBBS3IU3SU3IZ3UBBBUSI3BB2BBXSUZ(1.05)avNUUavBBUU,AMV100S23.675BBBBUXZS21.1025BBBBUXZS10.46X 10.14X NNNNNSUXXXX222BBNNNBBUSSUXXXXNNNNNIUX
2、XXX323BBNNNBBUSIUXXXX（待归算侧）基准侧）UUK(221)KK(X)n(X 2BB221B2B221BB*USX)KK(SU)KK(XX)n(X)n(X （待归算侧）基准侧）UUK(221)KK(X)n(X 2BB221B2B221BB*USX)KK(SU)KK(XX)n(X)n(X 取短路点所在电压级为基本电压级，基准容量为SB ,用 计算变比，并用 代替元件的BavUUavUNUNBNSSX)*(1avU2BBN2N)N*(12321B*1USSUX)KKK(X2av4BN2av1)N*(12av3av4av2av3av1av2USSUX)UUUUUU(NBKSS100
3、%UNB)N*(22av4BN2av2)N*(22av3av4av2av3B*2SSXUSSUX)UUUU(Xav22B32av4B32av3av4av2av3B*3USXUSX)UUUU(XBavUUavUNUNB NGBG SSXXNBKBT BTSS100%UXXX2BWLBWLBSXXU2BBNNrB*rUSI3U100%XX取基准容量 SB100MVA取各电压级的基准电压 BavUU417.030100125.0)*(*1NBNdSSxx333.05.311001005.10100(%)*2NBKSSUx242. 0115100804 . 022*3BBwlUSxx504.03 .6
4、1005 .208.022*6BBCUSxx455. 13 . 61003 . 0361005USI3U100%xx22BBNNp*523131231121XXXXXXn23131232122XXXXXXn23131231323XXXXXXnnnnnnXXXXXX3212112nnnnnXXXXXX1323223nnnnnXXXXXX2131331S0Z0, 0 xRtLRoumoumkeZUwtZUi)sin()sin(npkpiishi22npkpktIII2)(21aTtKPkteII2ounpiki,20,RxartgRXtLRmmkeZUwtZUi)2sin(sTt01. 02ki)
5、1 (201. 001. 0LRLRmsheZUeZUZUishKPKI2BBUS ,XU3SII ,X1XUIBKPKPkpshkpshKIi2BBkpKPUSII3BUkKIUS3CKBkKXIIUIUS133KSKIKSNOCSKPTtKPKPTtKPKPKPmIeIIeIIIdd )()(2 dKPdKPdKPXEIXEIXEI00 0 dKPdqKPdqKPXEIXEIXEI 1dKP1dqKP1 d q KPXXEIXXEIXXEI2ou2aTtKPnpeIi 21 XXUIdNKPshKPshKIi 21XXUIdN),(caXtfI1 xxXdca1x dx dxNBSSNSU
6、UB)(NcaXI)(NcaX)(1NcaXIUSIIN3U dxNBSSNSGnGGxxx/21 UUB)(NcaXI)(NcaX)(1NcaXIUSIIN3UBSUUB ,21NNSS)(BcaX)(BcaX)(NcaXBNBcaNcaSSXX)()()(BcaXiI)(NcaX)N(caiX1I)(1BcaXIUSIIN3111USIIN3222UUSIIB3nIIIII 321mNmshmNmshmmmshIKCIKXEi * *222XRZ121ABIaI11ACIaI22ABIaI222ACIaI00ABII00ACII232112010ja021AAAAIIII0212021AA
7、ABBBBIIaIaIIII0221021AAACCCCIIaIaIIII)(3121CBAAIaIaII)(3122CBAAIaIaII)(310CBAAIIII111AAAUXIjE222XIjUAA000XIjUAA1x)(21 2qdxxx 0)6.015.0(dxx000cbKaIIU0210210aaaKaKaKaIIIUUU)(0211XXjjXEIaacbaKcKbIIIUU0002121aaaKaKaIIIUU2121jXjXEIIaaa00aI00aKcKbIUU0021021aaaKaKaKaIIIUUU)()(1)(1nanaXXjEI)(1)()(nannKImIbK2fAQS1AdtIQkt02ktKNN0al0alIKIIbK2fAQS1AdtIQkt02ktKtItI2heq2SCkQAAKQSsKbFsKmin72110aliik2F72)3(sh7)3(sh)3(shmax10al)i (k732. 110al)i23(ik2FmaxFshshFiidcxx dffd22c21bdfx)k411 (x2121xx2xxxxxx5 . 3x
供用电系统课件——短路电流计算
