Parallel-Connected Magnetic Energy Recovery Switch Used as a Continuous Reactive Power Controller


Vol. 16, No. 4, pp. 1494-1503, Jul. 2016
10.6113/JPE.2016.16.4.1494


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 Abstract

Power quality promotion has received increasing attention because of the wide use of semiconductor devices in recent decades. Reactive power regulation is crucial to ensuring the stable operation of power systems. In this study, a continuous reactive power controller, which is referred to as a parallel-connected magnetic energy recovery switch (MERS), is developed to regulate voltage or power factor in power grids. First, the operating principle is introduced, and a mathematical model is built. Second, a new control method for restraining current harmonics and the peak voltages of capacitors is presented. Using the proposed method, the MERS shows a wide range in terms of reactive power compensation. Finally, the performance of the proposed controller is demonstrated through computer simulations and experiments. Unlike STATCOMs, the proposed controller entails low losses, adopts a small dc capacitor, and offers ease of use.


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Cite this article

[IEEE Style]

Y. Wei, B. Fang, L. Kang, Z. Huang, T. liu, "Parallel-Connected Magnetic Energy Recovery Switch Used as a Continuous Reactive Power Controller," Journal of Power Electronics, vol. 16, no. 4, pp. 1494-1503, 2016. DOI: 10.6113/JPE.2016.16.4.1494.

[ACM Style]

Yewen Wei, Bo Fang, Longyun Kang, Zhizhen Huang, and Teguo liu. 2016. Parallel-Connected Magnetic Energy Recovery Switch Used as a Continuous Reactive Power Controller. Journal of Power Electronics, 16, 4, (2016), 1494-1503. DOI: 10.6113/JPE.2016.16.4.1494.