各位大侠: 8 V/ ?5 e; v& g, B# i. U! d/ r 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8 ]3 C4 M6 A( d
* ]0 B) ~4 f$ q) z: s 三绕组变压器中参数疑问: 0 c4 {+ A; t. e$ G3 M' TName : GENTRAFO - General saturable transformer. 3 phase. 2 or 3 windings., h8 a$ `( G3 I/ y( h
Card : BRANCH# i5 x' i6 |) z0 D
Data : Io= Current [A] through magnetizing branch (MB) at steady state. 【Io如何计算?】# a# ~ f d$ g6 P
Fo= Flux [Wb-turn] in MB at steady state. 【Fo是稳定下的磁通量,如何计算?】 9 ~2 s4 s: i) s6 d The pair Io, Fo defines the inductance in MB at steady state.6 Y P) e1 M1 \: a
Rm= Resistance in magnetizing branch in [ohm]. 5-leg core or 3-leg shell. 【Rm如何计算?】 ; |" j3 _' J: Q$ S& X R0= Reluctance of zero-sequence air-return path for flux. 3-leg core-type 【R0什么意思,如何计算?】 ! \& n4 D5 @! Z2 A$ ~5 X Rp= Resistance in primary winding in [ohm]. ) G& H1 E7 S5 t' @5 w 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?】 $ t6 Z" r1 P$ D9 f# Y# b. o7 o Inductance in primary winding in [ohm] if Xopt.=power freq. # r: {* u, i/ Z9 v' n x9 |1 _6 Q Vrp= Rated voltage in [kV] primary winding., Z5 S- j; d3 z# Z5 f' |