原创 变压器PSpice仿真模型CKT

变压器PSpice模型

等效电路变压器模型

*Transformer Subcircuit Parameters

*RATIO = Turns ratio= Secondary/Primary

*RP    = Primary DC resistance

*RS    = Secondary DC resistance

*LEAK  = Leakage inductance

*MAG   = Magnetizing inductance

*Generic Transformer

*dw: 2-8-99 corrected VISRC polarity and FCTRL configuration

*Connections:

*             Pri+

*             | Pri-

*             | | Sec+

*             | | | Sec-

*             | | | |

.SUBCKT TRANS 1 2 3 4 PARAMS: RATIO="1" RP="0".1 RS="0".1 LEAK="1u" MAG="1k"

VISRC   4 9 0V

FCTRL   5 2 VISRC {RATIO}

EVCVS   8 9 5 2 {RATIO}

RPRI    1 7 {RP}

RSEC    8 3 {RS}

LLEAK   7 5 {LEAK}

LMAGNET 2 5 {MAG}

.ENDS TRANS

等价于用K_Line把两个电感关联起来.

CT中心抽头输出变压器模型

*TRANSCT:Transformer Subcircuit Parameters

*RATIO = Turns ratio (= Secondary/Primary)

*RP    = Primary DC resistance

*RS    = Secondary DC resistance

*LEAK  = Leakage inductance

*MAG   = Magnetizing inductance

*5:1 Centre-Tapped Transformer

*Connections:

*               Pri+

*               | Pri-

*               | | Sec+

*               | | | SecCT

*               | | | | Sec-

*               | | | | |

.SUBCKT 5TO1CT  1 2 3 4 5 PARAMS: RATIO="0".2 RP="0".1 RS="0".1 LEAK="1u" MAG="1u"

RPRI  1 7 {RP}

LLEAK 7 10 {LEAK}

LMAGNET 6 10 {MAG}

VSEC1 9 4 DC 0V

FSEC1 6 2 VSEC1 {(RATIO/2)}

ESEC1 8 9 10 2 {(RATIO/2)}

RSEC1  8 3 {(RS/2)}

VSEC2 12 5 DC 0V

FSEC2 6 2 VSEC2 {(RATIO/2)}

ESEC2 11 12 10 2 {(RATIO/2)}

RSEC2 11 4 {(RS/2)}

.ENDS 5TO1CT