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A Novel Direct Torque Control of Induction Machines based on Stator Flux  

박준현 ((주)메트로닉스 기술연구소)
정종진 (성덕대학 정보통신과)
최종우 (경북대학교 전자전기공학부)
김흥근 (경북대학교 전자전기공학부)
노의철 (부경대학교 전기제어계측공학부)
부경대학교전기제어계측공학부조교수 (울산대학교 전기전자 및 자동화공학부)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.7, no.3, 2002 , pp. 297-302 More about this Journal
Abstract
The direct torque control(DTC) of induction machines has the advantages of a simple control scheme and a very quick and robust torque response and its application is extended in the traction field. However, some drawbacks of the conventional DTC strategy using a hysteresis controller are the relatively large torque ripple in the steady state and the variation of switching frequency according to the amplitude of hysteresis bands and the motor operating conditions. In this paper, a navel direct t()roue control scheme of induction machines based on stator flux control and Space Vector Modulation Is proposed to acquire the advantage of a fixed switching period and the minimization of the torque and stator current ripple in a wide speed range. The effect of proposed method has been proven by simulations and experiments.
Keywords
Direct Torque Control; Stator Flux Control; Torque Ripple Reduction;
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  • Reference
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