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各位大侠:
6 j. I4 D; v% B1 U/ P3 W% B 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6 {6 \+ ~. M7 Y5 N
6 X+ j. v7 o" Q$ K& m
三绕组变压器中参数疑问:+ N2 J9 |& F/ k
Name : GENTRAFO - General saturable transformer. 3 phase. 2 or 3 windings.
# ^# M0 c1 y" cCard : BRANCH. j" V/ ]9 ]8 q# g3 h
Data : Io= Current [A] through magnetizing branch (MB) at steady state. 【Io如何计算?】& C& V# o* y/ n" X' Q4 i1 p0 B
Fo= Flux [Wb-turn] in MB at steady state. 【Fo是稳定下的磁通量,如何计算?】
- o& d2 T" f8 f6 b The pair Io, Fo defines the inductance in MB at steady state.
/ p7 ?3 i& j7 T2 g4 a Rm= Resistance in magnetizing branch in [ohm]. 5-leg core or 3-leg shell. 【Rm如何计算?】
& D& c" Y2 r4 x6 U. s R0= Reluctance of zero-sequence air-return path for flux. 3-leg core-type 【R0什么意思,如何计算?】
. [6 A" s& d6 ^) E Rp= Resistance in primary winding in [ohm].
+ Z% x; o8 X( n1 ]* r2 { 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?】
. V6 K9 e; Z, O, B2 L Inductance in primary winding in [ohm] if Xopt.=power freq., f, C( q" X: \
Vrp= Rated voltage in [kV] primary winding.8 ?- {. V K0 `" }1 Q7 C" \ ?
3 g* z9 i& d! h2 R1 t; ?: W! X 拜谢各位指导! |
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