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Vol. 133 (2013) No. 5 P 484-494




This paper proposes a new torque priority control system based on a new voltage limitation method considering the q-axis current differential value for interior permanent magnet synchronous motors. The conventional torque priority control system with the M'-T' axis realizes a fine torque response. However, the operation time of the conventional system increases owing to coordinate transformation and calculation of motor parameters. As a result, it is difficult to implement the control system. The proposed torque priority control is able to reduce the operation time without degrading the torque response. The experimental results verify the effectiveness of the proposed torque priority control system.

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