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各位大侠:" D; O' o, f) G# |0 h0 N9 X |; [
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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三绕组变压器中参数疑问:( G% ]% F* x; I I; R' F5 z
Name : GENTRAFO - General saturable transformer. 3 phase. 2 or 3 windings., t0 }" ~3 E/ [* N
Card : BRANCH
8 p+ T9 w( h. M4 QData : Io= Current [A] through magnetizing branch (MB) at steady state. 【Io如何计算?】% L1 X. m3 Z5 Q4 e! ] ?
Fo= Flux [Wb-turn] in MB at steady state. 【Fo是稳定下的磁通量,如何计算?】1 k, X; v1 g+ w2 z# E R9 ]
The pair Io, Fo defines the inductance in MB at steady state.
! R% N- a2 W) d/ G+ y Rm= Resistance in magnetizing branch in [ohm]. 5-leg core or 3-leg shell. 【Rm如何计算?】' c3 I2 j2 L2 d9 Y% g- I
R0= Reluctance of zero-sequence air-return path for flux. 3-leg core-type 【R0什么意思,如何计算?】
# O3 W1 G3 F4 d2 _- g* A Rp= Resistance in primary winding in [ohm].
^- _) U4 ]5 n0 a 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?】
p9 V. Z& R- R2 H& y* @. h Inductance in primary winding in [ohm] if Xopt.=power freq.. k4 W7 p8 Z" k: H6 c( S
Vrp= Rated voltage in [kV] primary winding.
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拜谢各位指导! |
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