EQUIVALENT CIRCUIT FOR COIL INCORPORATED IN CIRCUIT SIMULATOR, CIRCUIT SIMULATOR, AND CIRCUIT SIMULATOR PROGRAM

摘要

PPROBLEM TO BE SOLVED: To provide an equivalent circuit for a coil, a circuit simulator, and a circuit simulator program, in which current can be set in an optimum state in a non-conductive state according to the conduction state of each phase of three-phase alternate current, the state of a model can accurately set the driving state of an electric motor or an electric generator and Y-shaped connection or delta-connection can be applied. PSOLUTION: The equivalent circuit for a coil incorporated in a circuit simulator 500 for analysis of an electrical device including coils 11U, 11V and 11W is composed of an inductance component 14. The equivalent circuit of the inductance component 14 is provided with a current source 23 outputting a current, a voltage extractor 54a for extracting the voltage across the terminals of this current source, a current generator 22 for determining the value of the current of the current source based on the value of the voltage output by this voltage extractor, and a resistance element R3 and a switch element SW3 connected in parallel to the power source 23. PCOPYRIGHT: (C)2007,JPO&INPIT