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[International Journals] Gwi-Geun Park, Seon-Hwan Hwang, Jang-Mok Kim, Kyo-Beum Lee, and Dong-Choon Lee, “Reduction of Current Ripples due to Current Measurement Errors in a Doubly Fed Induction Generator,” Journal of Power Electronics, vol. 10, no. 3, pp. 313–319, May 2010. -SCIE

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  • 날짜 2019-06-29 16:00
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This paper proposes a new compensation algorithm for the current measurement errors in a DFIG (Doubly Fed Induction Generator).

Generally, current measurement path with current sensors and analog devices has non-ideal factors like offset and scaling errors. As

a result, the dq-axis currents of the synchronous reference frame have one and two times ripple components of the slip frequency.

In this paper, the main concept of the proposed algorithm is implemented by integrating the 3-phase rotor currents into the

stationary reference frame to compensate for the measured current ripples in a DFIG. The proposed algorithm has several beneficial

features: easy implementation, less computation time, and robustness with regard to variations in the electrical parameters. The

effectiveness of the proposed algorithm is verified by several experiments. 

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