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各位大侠:5 D# i- G- c9 J* \' H9 D
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
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" l, W! G8 j5 L' r/ e: G 三绕组变压器中参数疑问:) ] M; w, q1 ?& _0 R! q
Name : GENTRAFO - General saturable transformer. 3 phase. 2 or 3 windings.
) q: L! s# ^6 f6 _6 e! QCard : BRANCH! y( T7 _" t1 ]7 _0 O5 _3 d
Data : Io= Current [A] through magnetizing branch (MB) at steady state. 【Io如何计算?】# W$ [) o" \1 T1 K
Fo= Flux [Wb-turn] in MB at steady state. 【Fo是稳定下的磁通量,如何计算?】" ]! }( R, ]* r: S
The pair Io, Fo defines the inductance in MB at steady state.
. q4 ~2 L8 d$ W# l G$ I$ I Rm= Resistance in magnetizing branch in [ohm]. 5-leg core or 3-leg shell. 【Rm如何计算?】/ m7 r1 A0 L* o, E7 m# }3 S
R0= Reluctance of zero-sequence air-return path for flux. 3-leg core-type 【R0什么意思,如何计算?】. w7 m# d0 o* |( ]
Rp= Resistance in primary winding in [ohm].8 w' W- H/ ~: N( p2 p& i/ [$ n
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?】
4 Z0 ~& P D) B Inductance in primary winding in [ohm] if Xopt.=power freq.
% C J0 e: f j, b1 P! G- J Vrp= Rated voltage in [kV] primary winding.7 \2 b1 [1 p+ Y& {
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拜谢各位指导! |
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