各位大侠:7 ^5 u# U3 l2 c6 X; z+ I
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 * ^( L- I u! @) N8 p! a# \& D: s+ y) Y0 w1 z
三绕组变压器中参数疑问: 6 b4 l3 ?7 s7 X+ RName : GENTRAFO - General saturable transformer. 3 phase. 2 or 3 windings. ; g7 T$ r! \5 ]( w! cCard : BRANCH 1 i2 ]! b) F- pData : Io= Current [A] through magnetizing branch (MB) at steady state. 【Io如何计算?】4 P; [4 f) P" }6 a. N/ |+ J) N
Fo= Flux [Wb-turn] in MB at steady state. 【Fo是稳定下的磁通量,如何计算?】7 I' f; C3 O1 j5 n# f
The pair Io, Fo defines the inductance in MB at steady state. / Y5 G w! m; L. ?& N Rm= Resistance in magnetizing branch in [ohm]. 5-leg core or 3-leg shell. 【Rm如何计算?】0 i- v. m3 t! O; ~
R0= Reluctance of zero-sequence air-return path for flux. 3-leg core-type 【R0什么意思,如何计算?】6 B4 Y7 Y/ q8 \2 C7 {1 M
Rp= Resistance in primary winding in [ohm]. - ~) ?! n& W }0 Q 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?】8 T1 o( h9 D6 l9 M. h. O
Inductance in primary winding in [ohm] if Xopt.=power freq. # G r R) P" q7 a Vrp= Rated voltage in [kV] primary winding.3 \& s6 T4 ^7 t X