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An adaptive hysteresis-band current control technique of a voltage-fed PWM inverter for machine drive system

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1 Author(s)
Bose, B.K. ; Dept. of Electr. Eng., Tennessee Univ., Knoxville, TN, USA

An adaptive hysteresis-band control method where the band is modulated with the system parameters to maintain the modulation frequency to be nearly constant is described. Although the technique is applicable to general AC motor drives and other types of load, an interior permanent magnet (IPM) synchronous machine load is considered. Systematic analytical expressions of the hysteresis band are derived as functions of system parameters. An IPM machine drive system with a voltage-fed current-controlled PWM (pulse width modulation) inverter has been computer simulated to study the performance of the proposed method

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Industrial Electronics, IEEE Transactions on  (Volume:37 ,  Issue: 5 )