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Six leg DVR topology for compensation of balanced linear loads in three phase four wire system

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Abstract

This paper presents dynamic voltage restorer (DVR) as a new compensation scheme for power quality improvements in terms of power factor correction and harmonic mitigation for a three-phase four-wire distribution system, supplying a star (Y) connected balanced R–L load. The DVR is a custom power device used to protect sensitive loads in power distribution systems from the most frequent voltage disturbances, such as sags, swells, imbalances, harmonics and low power factor. Indirect proportional integral controller and synchronous reference frame controller are used to generate switching patterns for the pulse width modulated controlled voltage source converter. The DVR system is implemented through extensive simulation using MATLAB software with its Simulink and power system blockset toolboxes. The proposed SRFC is compared with the IPIC scheme and the superior features of this novel approach are established in this research work.

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Acknowledgments

The authors are thankful to Ministry of Human Resources Development (MHRD), New Delhi, Govt. of India and All India council of Technical Education (AICTE), for providing financial assistants and supports to do the research work.

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Authors and Affiliations

  1. Department of Electrical Engineering, National Institute of Technology Jamshedpur, Jamshedpur, 831014, Jharkhand, India

    Pradeep Kumar, Niranjan Kumar & A. K. Akella

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  1. Pradeep Kumar
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  2. Niranjan Kumar
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  3. A. K. Akella
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Correspondence to Pradeep Kumar.

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Kumar, P., Kumar, N. & Akella, A.K. Six leg DVR topology for compensation of balanced linear loads in three phase four wire system. Int J Syst Assur Eng Manag 5, 524–533 (2014). https://doi.org/10.1007/s13198-013-0201-6

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  • DOI: https://doi.org/10.1007/s13198-013-0201-6

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