Journal of Power Electronics

  • 제10권3호
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  • Pages.313-319
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  • 2010
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  • 1598-2092(pISSN)
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  • 2093-4718(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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Reduction of Current Ripples due to Current Measurement Errors in a Doubly Fed Induction Generator

  • 투고 : 2010.02.12
  • 발행 : 2010.05.20
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초록

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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참고문헌

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피인용 문헌

  1. Analysis and Compensation of Current Measurement Errors in a Doubly Fed Induction Generator vol.9, pp.2, 2014, https://doi.org/10.5370/JEET.2014.9.2.532
  2. Hardware Simulator Development for a 3-Parallel Grid-Connected PMSG Wind Power System vol.10, pp.5, 2010, https://doi.org/10.6113/JPE.2010.10.5.555
  3. Phase Current Reconstruction Techniques for Two-Phase Inverters using a Single Current Sensor vol.11, pp.6, 2011, https://doi.org/10.6113/JPE.2011.11.6.837
  4. Compensation of Current Offset Error in Half-Bridge PWM Inverter for Linear Compressor vol.15, pp.6, 2015, https://doi.org/10.6113/JPE.2015.15.6.1593
  5. DC Offset Error Compensation Algorithm for PR Current Control of a Single-Phase Grid-Tied Inverter vol.11, pp.9, 2018, https://doi.org/10.3390/en11092308