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Date of Publication:2022-10-10

Journal:中国电机工程学报

Issue:6

Page Number:30-35

ISSN No.:0258-8013

Abstract:A novel reactive power compensator is developed for 10 kV distribution system to improve power quality. It is composed of a synchronous vacuum circuit breaker (SVCB) and an intelligent power factor controller (IPFC). The magnitude of inrush currents and the associated overvoltages generated by random capacitor switching may be minimized by synchronous switching, which is also called point on wave switching. The IPFC takes the power factor, the requirements of reactive power and the harmonic resonance protection as the switching criteria, thus the reactive power is well compensated, and the frequent operating with light load and the harmonic resonance of power network are avoided. The simulation and experimental results demonstrate the excellent performance of reactive power compensation by this system.

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