Publication
Han-Vit Kim, June-Hee Lee, Do-Hyeon Kim, and June-Seok Lee, "Flux-Weakening Control Methods Using the Feed-Forward Compensation of a Wound Field Synchronous Motor," The Transactions of the Korean Institute of Electrical Engineers, vol. 74, no. 3, pp. 447-454, March 2025.
2025
PEEMS
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Jun. 12, 2025
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1. Authors: Han-Vit Kim, June-Hee Lee, Do-Hyeon Kim, and June-Seok Lee
2. Title: Flux-Weakening Control Methods Using the Feed-Forward Compensation of a Wound Field Synchronous Motor
3. Journal: The Transactions of the Korean Institute of Electrical Engineers
4. Vol/no/pp: vol. 74, no. 3, pp. 447-454
5. Date: March 2025
6. Abstract
: This paper proposes a flux-weakening control methods using the feed-forward compensation of a wound field synchronous motor (WFSM). Typically, in the high-speed region, the voltage applied to the motor is limited by the maximum output of the inverter and Proportional-Integral (PI) controller is used to maintain this constant voltage. However, as the speed increases, the control performance deteriorates when the bandwidth of the controller is small. Therefore, this paper applies a feed-forward compensation method to improve controller performance during high-speed operation. Due to the control characteristics of WFSM, the feed-forward compensation components can be mathematically derived into d-axis current compensation and field current compensation, depending on the two flux-weakening methods. As a result, the proposed methods can use a small bandwidth that is robust to noise and enhances control stability. The validity of the proposed method is verified by experimental results.
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