本人最近使用PExprt磁性元件设计软件进行单端正激变压器或电感设计,虽然软件使用简单,应该说已经基本掌握其使用,关键是我后期要使用PSPICE Model进行DC/DC全电路仿真,在调用该model设计的时候发现电路根本不收敛,不知道有没有高人曾经这样做过DC/DC全电路仿真,有的话请帮下我,说明一下您的建模过程,以及在PSPICE中调用是如何解决该问题,并保证设计的参数是正确的.谢谢!!!
以下为本人建立的PSPICE模型参数(删除了部分热损耗模型参数):
*****************************************************
* PExprt FEA based MODEL FOR MAGNETIC COMPONENT. *
* PSPICE(R) LANGUAGE VERSION *
* GENERATED BY PExprt (C) UPM-Ansoft 1992-2004 *
* Version 6.0.15 *
*****************************************************
* Frequency Domain Model Version *
*****************************************************
.lib impedanc.lib
.subckt swh778_magnetic_1826 ap_center am_center bp_center bm_center
vsens1 ap_center N1_1 0
hsens1 isens1 0 vsens1 1
vsens2 bp_center N2_1 0
hsens2 isens2 0 vsens2 1
* Inductances 1.
L_1 N1_3 am_center 1.135697e-004
R_Eddy1 N1_3 am_center {R_Eddy1}
.PARAM R_Eddy1=4.784000e+005
* Inductances 2.
L_2 N2_3 bm_center 3.708399e-005
R_Eddy2 N2_3 bm_center {R_Eddy2}
.PARAM R_Eddy2=1.562123e+005
K_core L_1 L_2 1
* Z1_1.
XSIMP1_1 N1_1 N1_2 s_imp PARAMS:
+ C0 = 0.0239896,
+ C1 = 3.02271e-007,
+ C2 = 0.411802,
+ C3 = 1.39943e+007,
+ C4 = 0.000608306,
+ C5 = 3.33364e+008,
+ C6 = 0.00014081,
+ C7 = 3.14942e+007
* Z1_2.
XMIMP1_2 N1_2 N1_3 isens2 m_imp PARAMS:
+ C0 = -0.000298586,
+ C1 = 1.95016e-007,
+ C2 = -0.00207754,
+ C3 = 47409.6,
+ C4 = -0.149506,
+ C5 = 1.94825e+007,
+ C6 = -0.524726,
+ C7 = 5.78975e+008,
+ C8 = 0.117658,
+ C9 = 1.39943e+007,
+ C10 = 0.000173802,
+ C11 = 3.33364e+008,
+ C12 = 4.02314e-005,
+ C13 = 3.14942e+007,
+ C14 = 0.0148719,
+ C15 = 2.0935e+006,
+ C16 = 0.172104,
+ C17 = 9.03818e+008,
+ C18 = 0.276253,
+ C19 = 1.68579e+007
* Z2_1.
XMIMP2_1 N2_1 N2_2 isens1 m_imp PARAMS:
+ C0 = -0.000298586,
+ C1 = 1.95016e-007,
+ C2 = -0.00207754,
+ C3 = 47409.6,
+ C4 = -0.149506,
+ C5 = 1.94825e+007,
+ C6 = -0.524726,
+ C7 = 5.78975e+008,
+ C8 = 0.117658,
+ C9 = 1.39943e+007,
+ C10 = 0.000173802,
+ C11 = 3.33364e+008,
+ C12 = 4.02314e-005,
+ C13 = 3.14942e+007,
+ C14 = 0.0148719,
+ C15 = 2.0935e+006,
+ C16 = 0.172104,
+ C17 = 9.03818e+008,
+ C18 = 0.276253,
+ C19 = 1.68579e+007
* Z2_2.
XSIMP2_2 N2_2 N2_3 s_imp PARAMS:
+ C0 = 0.00850396,
+ C1 = 1.49137e-007,
+ C2 = 0.0169964,
+ C3 = 2.0935e+006,
+ C4 = 0.19669,
+ C5 = 9.03818e+008,
+ C6 = 0.315718,
+ C7 = 1.68579e+007
.ends
以下两个分别为变压器和电感的源文件,可以用wordpad打开transformer.lib inductor.lib