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Direct Torque Control of Induction Motor by Torque Slope and Reference Voltage Control  

Kim Pyoung-Ho (서강정보대학 정보통신과)
Choi Youn-Ok (조선대 공대 전기공학과)
Cho Geum-Bae (조선대 공대 전기공학과)
Baek Hyung-Lae (조선대 공대 전기공학과)
Lee Sang-Il (조선대 공대 전기공학과)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.55, no.1, 2006 , pp. 9-15 More about this Journal
Abstract
The conventional hysterysis band DTC(Direct Torque Control) strategy have relatively high torque ripple at low speed and variable switching frequency according to motor speed even though it provides a fast torque response with very simple scheme consisted with only two hysteresis band comparators and a switching table for torque and flux control. In this paper, author proposed a new DTC scheme based on the torque slope and reference voltage control. The new scheme can maintain the minimized torque ripple and constant switching frequency. Experimental tests carried out with an 1.5kW induction motor drive system show improved dynamic characteristics and prove the feasibility of proposed strategy.
Keywords
DTC(Direct Torque Control); Induction Motor; Torque Slope; Reference Voltage; Torque Ripple;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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