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Study on an Adaptive Maximum Torque Per Amp Control Strategy for Induction Motor Drives

  • Kwon, Chun-Ki (Dept. of Medical Information Technology Engineering, Soonchunhyang University)
  • 투고 : 2012.01.28
  • 심사 : 2012.07.03
  • 발행 : 2013.01.02

초록

Maximum Torque Per Amp (MTPA) control for induction motor drives seeks to achieve a desired torque with the minimum possible stator current. This is favorable in terms of inverter operation and nearly optimal in terms of motor efficiency. However, rotor resistance variation can cause significant performance degradation. This work demonstrates that existing MTPA controls perform sub-optimally as temperature varies. An adaptive MTPA control strategy is proposed that always achieves optimal performance without exhibiting hunting phenomenon regardless of rotor temperature. The proposed control is experimentally shown to accurately achieve the desired torque.

키워드

참고문헌

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피인용 문헌

  1. Study on Optimal Condition of Adaptive Maximum Torque Per Amp Controlled Induction Motor Drives vol.9, pp.1, 2014, https://doi.org/10.5370/JEET.2014.9.1.231