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A cost effective voltage sag compensator for distribution system

Author

Listed:
  • M. Mani Sankar

    (National Institute of Technology Jamshedpur)

  • S. B. L. Seksena

    (National Institute of Technology Jamshedpur)

Abstract

In a large power system voltage sag is considered to be the most common and critical power quality (PQ) issue. With the advent of power-semiconductor devices many PQ devices came into existence. Dynamic voltage restorer (DVR) and distribution static compensator (D-STATCOM) are normally employed as voltage sag mitigation devices. This paper presents a low cost alternative for voltage sag compensation. The proposed device does not require any energy storage device and has only one gate turn-off switch per phase for pulse width modulation, unlike DVR and D-STATCOM that employ DC-to-AC converter topology. Simulation analysis of three phase compensator is performed in MATLAB/Simulink environment and the total harmonic distortion of load voltage when the compensator is functioning during disturbance condition is within the acceptable limits.

Suggested Citation

  • M. Mani Sankar & S. B. L. Seksena, 2017. "A cost effective voltage sag compensator for distribution system," International Journal of System Assurance Engineering and Management, Springer;The Society for Reliability, Engineering Quality and Operations Management (SREQOM),India, and Division of Operation and Maintenance, Lulea University of Technology, Sweden, vol. 8(1), pages 56-64, January.
    • Handle: RePEc:spr:ijsaem:v:8:y:2017:i:1:d:10.1007_s13198-015-0373-3
    DOI: 10.1007/s13198-015-0373-3
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