The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Interturn Fault Tolerant Driving Algorithm of IPMSMs : Maximum Torque Control within Power Loss Limit

IPM모터의 턴쇼트 고장 대응운전 알고리즘 : 전력 손실 한계 내에서 최대토크 제어

  • Lim, Sung-Hwan (School of Energy Engineering, Kyungpook National University) ;
  • Gu, Bon-Gwan (School of Energy Engineering, Kyungpook National University)
  • Received : 2017.09.17
  • Accepted : 2017.12.01
  • Published : 2018.01.01
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Abstract

The winding of the motor stator coil is broken due to external stress and various factors. If the proper current is not injected when interturn fault(ITF) occurs, the fault can easily be expanded and the motor can be finally destroyed, resulting in many problems with time costs and safety. In this paper, the power loss limit concept, which is the inherent durability of each motor, is applied to secure safety by controlling the total power loss of the motor within the limits. So, we propose an algorithm that can control maximum torque per minimum power loss based on constant torque curve and power loss limit. To verify the proposed method, the simulation and experimental results with an Interior permanent magnet synchronous motor(IPMSM) having an ITF are shown.

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References

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