期刊
出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.egypro.2011.10.076
关键词
Dynamic Voltage Restorer (DVR); Photovoltaic; Voltage sag; Voltage Swell; Outage; DC - DC Boost Converter
In this paper, Photovoltaic (PV) based Dynamic Voltage Restorer (DVR) is proposed to handle deep voltage sags, swells and outages on a low voltage residential distribution system. The PV based DVR can recover sags up to 10%, swells up to 190% of its nominal value. Otherwise, it will operate as an Uninterruptable Power Supply (UPS) when the utility grid fails to supply. PV based DVR system is comprised of PV System with low and high power DC-DC boost converter, PWM voltage source inverter, series injection transformer and semiconductor switches. Simulation results proved the capability of the proposed DVR in mitigating the voltage sag, swell and outage in a low voltage distribution system. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of University of Electronic Science and Technology of China (UESTC).
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