各位大侠: , t- k. O! l! T/ c4 N$ |9 o6 l 我以前一直用PSASP,现在老板说要a用tpdraw电磁暂态计算,现在刚上手atpdraw,用到了三绕组变压器,有几个参数不晓得,特请大家帮帮我 谢谢5 v" Z# t6 ]! U
0 o5 g* }8 M) c- u/ \ 三绕组变压器中参数疑问:+ T1 c) a# y3 R8 f- F5 j" x
Name : GENTRAFO - General saturable transformer. 3 phase. 2 or 3 windings. 0 @- \, X$ g% o, X5 Z2 L* tCard : BRANCH( }3 g# V( R$ P. e8 J
Data : Io= Current [A] through magnetizing branch (MB) at steady state. 【Io如何计算?】9 U$ f. Y7 j" Z( O9 d* @- n" p
Fo= Flux [Wb-turn] in MB at steady state. 【Fo是稳定下的磁通量,如何计算?】 0 o# n3 Q3 W& C' `1 `2 I The pair Io, Fo defines the inductance in MB at steady state., O- D& z" g* s3 n: V
Rm= Resistance in magnetizing branch in [ohm]. 5-leg core or 3-leg shell. 【Rm如何计算?】 2 a+ F. R: s/ x3 X0 J- N3 H9 Y" I R0= Reluctance of zero-sequence air-return path for flux. 3-leg core-type 【R0什么意思,如何计算?】 , C0 E ]* b, D7 _* w Rp= Resistance in primary winding in [ohm]. * r B r5 D8 D' G+ W, r) V1 L: v Lp= Inductance in primary winding in [mH] if Xopt.=0 【变压器参数中有电抗,这里要设置电感值,是不是这个电抗忽略电容,认为全是电感啊?】# u; x6 V# {! J* D/ [/ z
Inductance in primary winding in [ohm] if Xopt.=power freq.: b! d, t' B$ C" N: J* L4 h) l
Vrp= Rated voltage in [kV] primary winding.9 k7 }( q, a4 }0 F. F" Y
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拜谢各位指导!