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A Novel Single-Phase Reactive Current Detection Algorithm Based on Fast Orthogonal Signal Generator and Enhanced Moving Average Filter

Author

Listed:
  • Liansong Xiong

    (School of Automation, Nanjing Institute of Technology, Nanjing 211167, China
    Department of Electrical Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China
    Guangdong Key Laboratory of Clean Energy Technology, South China University of Technology, Guangzhou 510640, China)

  • Xiaokang Liu

    (Department of Electronics, Information and Bioengineering, Politecnico di Milano, 3220133 Milan, Italy)

  • Yixin Zhu

    (Guangdong Key Laboratory of Clean Energy Technology, South China University of Technology, Guangzhou 510640, China
    School of Internet of Things Engineering, Jiangnan University, Wuxi 214122, China)

  • Zhao Xu

    (Department of Electrical Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong, China)

  • Ping Yang

    (Guangdong Key Laboratory of Clean Energy Technology, South China University of Technology, Guangzhou 510640, China)

  • Hanliang Song

    (School of Automation, Nanjing Institute of Technology, Nanjing 211167, China)

Abstract

This paper developed a novel single-phase reactive current detection algorithm based on fast orthogonal signal generator (OSG) and enhanced moving average filter (MAF), overcoming the limitation of conventional schemes in detection speed, computation burden and noise/harmonic immunity. A fast and accurate OSG scheme is introduced first, which can remarkably improve the precision and response speed of the developed detection scheme. In d-q frame, the enhanced MAF is developed and its optimal design principle is also presented, which can sufficiently eliminate the noise and harmonics while achieve the possible shortest response time, particularly in the case of selective harmonics cancellation. Finally, high-performance single-phase STATCOM control is realized utilizing the proposed method. Experiments reveal that the proposed detection scheme exhibits fast speed, high precision as well as noise/harmonics immunity, providing satisfactory control performances.

Suggested Citation

  • Liansong Xiong & Xiaokang Liu & Yixin Zhu & Zhao Xu & Ping Yang & Hanliang Song, 2018. "A Novel Single-Phase Reactive Current Detection Algorithm Based on Fast Orthogonal Signal Generator and Enhanced Moving Average Filter," Energies, MDPI, vol. 11(4), pages 1-12, March.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:4:p:733-:d:137771
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