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Modeling and simulation of an electronically commutated permanent-magnet machine drive system using SPICE

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3 Author(s)
Fardoun, A.A. ; Dept. of Electr. & Comput. Eng., Colorado Univ., Boulder, CO, USA ; Fuchs, E.F. ; Hao Huang

This paper describes the design of high-efficiency, electronically commutated, permanent-magnet machine (ECPM) drives based on the finite-element/difference method, and the solution of the ensuing differential equations with the Simulation Program with Integrated Circuit Emphasis (SPICE). The permanent-magnet motor model includes the computation of load-dependent components of the motor-equivalent circuit (e.g., induced voltages and inductances). A new SPICE metal-oxide semiconductor field-effect transistor (MOSFET) model reflecting the reverse-recovery current phenomenon-which is very important for the design of variable-speed drives operating in the pulse-width-modulated (PWM) mode-is introduced. Results of this new model are compared with measurements. Since ECPMs lend themselves well to vehicle propulsion due to their inherent high efficiencies at light weight, it is desirable to have a very high output-power-to-weight ratio for such applications. In addition, high ECPM drive efficiencies are important for recovery of the braking energy

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Industry Applications, IEEE Transactions on  (Volume:30 ,  Issue: 4 )