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Information Journal Paper

Title

AUTOMATIC PHASE ADVANCING IN SWITCHED RELUCTANCE MOTOR BY EMPLOYING AN ‎ELECTRONIC GOVERNOR FOR A DESIRE SPEED/ANGLE PROFILE

Pages

  11-18

Abstract

 SWITCHED RELUCTANCE MOTOR (SRM) drive has remarkable characteristics that make it ‎attractive for high-speed applications. As the MOTORS speed increases the shape of the ‎current waveform changes in such way that limits the production of motoring torque. ‎At high speeds, it is possible for the phase current never reaches the desired value due ‎to the self e.m.f. of the motor, therefore, the torque falls off. In order to remedy this ‎problem, the phase turn on angle is advanced in such way that the phase commutation ‎begins sooner. Advancing the commutation angle offers the advantages of getting the ‎current into the phase vinding while the inductance of the phase is low, and also of ‎having a little more time to get the current out of the phase vinding before the rotor ‎reaches the negative torque region. Since the SRM drive is a variable speed motor ‎then, the amount of advancing for the turn on angle should be accomplished ‎automatically according to the speed of the motor, meaning, as the motor speed ‎increases so should the turn on angle and vice versa. In this respect, this paper ‎introduces an electronic governor using a P.L.L. module in conjunction with a micro ‎controller to achieve this task for a desired speed/advancement angle profile, which is ‎considered to be linear in this study. The governor causes 0-14 degrees automatic ‎adjustment in the turn on angle from stand still to a pre-set speed for a SR motor. A ‎linear analysis of the current waveform for the motor under different advancements of ‎the turn on angle has been performed and the plots are shown. Finally, the ‎experimental results of employing the governor on a 6 x 4 SRM drive are presented‏.‏

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    APA: Copy

    AFJEHEI, S.A.A.F., & SAHEBI, M.R.. (2004). AUTOMATIC PHASE ADVANCING IN SWITCHED RELUCTANCE MOTOR BY EMPLOYING AN ‎ELECTRONIC GOVERNOR FOR A DESIRE SPEED/ANGLE PROFILE. INTERNATIONAL JOURNAL OF ENGINEERING, 17(1 (TRANSACTIONS A: BASICS)), 11-18. SID. https://sid.ir/paper/355265/en

    Vancouver: Copy

    AFJEHEI S.A.A.F., SAHEBI M.R.. AUTOMATIC PHASE ADVANCING IN SWITCHED RELUCTANCE MOTOR BY EMPLOYING AN ‎ELECTRONIC GOVERNOR FOR A DESIRE SPEED/ANGLE PROFILE. INTERNATIONAL JOURNAL OF ENGINEERING[Internet]. 2004;17(1 (TRANSACTIONS A: BASICS)):11-18. Available from: https://sid.ir/paper/355265/en

    IEEE: Copy

    S.A.A.F. AFJEHEI, and M.R. SAHEBI, “AUTOMATIC PHASE ADVANCING IN SWITCHED RELUCTANCE MOTOR BY EMPLOYING AN ‎ELECTRONIC GOVERNOR FOR A DESIRE SPEED/ANGLE PROFILE,” INTERNATIONAL JOURNAL OF ENGINEERING, vol. 17, no. 1 (TRANSACTIONS A: BASICS), pp. 11–18, 2004, [Online]. Available: https://sid.ir/paper/355265/en

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