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The study of design and harmonic suppression for 800 kV EHV MSCR in engineering applications

Qingpeng Wang (School of Electrical Engineering, Shenyang University of Technology, Shenyang, China)
Baodong Bai (School of Electrical Engineering, Shenyang University of Technology, Shenyang, China)
Zhen An (School of Electrical Engineering, Shenyang University of Technology, Shenyang, China)
Dezhi Chen (School of Electrical Engineering, Shenyang University of Technology, Shenyang, China)
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Abstract

Purpose

The purpose of this paper is to solve the reactive power adjustment and the overvoltage suppression problems in the extra high voltage (EHV) long distance grid, which often appears transient overvoltage, light load loss and other issues.

Design/methodology/approach

One 800 kV EHV magnetically saturation controllable reactor (MSCR) used self-power supply control system is designed. The structure and the working mechanism of the novel MSCR are analyzed in detail. Then the control and capacity step adjustment characteristics are obtained by experiments. The harmonic characteristic is studied by theoretical analysis and low voltage test.

Findings

To solve the problem of harmonics in the working current of nets windings, the fifth and the seventh filers are equipped between the compensation windings and the control system. The effectiveness of the harmonic suppression method is proved by simulation and experiments.

Originality/value

It proves that the 800 kV EHV MSCR design in this paper can achieve the purpose of the reactive power continuous linear adjustment, and the capacity adjustment is sensitive. After filtering, the harmonics level of the working current meets the standard of the EHV grid.

Keywords

Citation

Wang, Q., Bai, B., An, Z. and Chen, D. (2017), "The study of design and harmonic suppression for 800 kV EHV MSCR in engineering applications", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 36 No. 6, pp. 1774-1782. https://doi.org/10.1108/COMPEL-12-2016-0580

Publisher

:

Emerald Publishing Limited

Copyright © 2017, Emerald Publishing Limited

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