各位大侠: 2 B+ N/ s @% Y* D" b4 V 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# q3 r( e+ i" _' n/ m T
4 }9 F8 K5 \. T( @3 V 三绕组变压器中参数疑问:* j1 S9 P0 H+ N3 a& I. c. ~+ m
Name : GENTRAFO - General saturable transformer. 3 phase. 2 or 3 windings. * d+ ]2 p+ {: G/ a# a: PCard : BRANCH7 \/ @( ^4 e. L$ D0 l
Data : Io= Current [A] through magnetizing branch (MB) at steady state. 【Io如何计算?】 # Z- N3 B# p: {, o! a4 |/ a5 Z Fo= Flux [Wb-turn] in MB at steady state. 【Fo是稳定下的磁通量,如何计算?】# ^3 L% J. w' D
The pair Io, Fo defines the inductance in MB at steady state.% l1 i! [! H7 y) M1 l
Rm= Resistance in magnetizing branch in [ohm]. 5-leg core or 3-leg shell. 【Rm如何计算?】 , W1 N }( I4 p( } R0= Reluctance of zero-sequence air-return path for flux. 3-leg core-type 【R0什么意思,如何计算?】5 r+ [& Q$ T* d" o
Rp= Resistance in primary winding in [ohm].% @' y( A3 R5 P( J. ?1 }( u& X" 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?】 $ x+ z( i4 D; P Inductance in primary winding in [ohm] if Xopt.=power freq. T1 n. E3 [! k3 w1 M9 V
Vrp= Rated voltage in [kV] primary winding. 7 L# `3 Y; u$ j7 x% w( R( W/ w1 C% R9 W4 Z/ E
拜谢各位指导!