UPFC Integrated With Battery Energy Storage Systems for Stability Improvement

K. Saravanan, Dawit Leykuen Berhanu, Getnet Zewde Somano
<span title="2014-12-01">2014</span> <i title="Pak Publishing Group"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/4rmjvsecsndrphpegv7ojjq2iq" style="color: black;">Energy Review</a> </i> &nbsp;
In Electrical Power network, consumer loads are time to time variation in existing transmission system. Loads will not constant means, power quality issues there such as voltage have been flickering and deviations in power supply which make some of the electronic equipments and domestic devices highly sensitive to it . Unified Power Flow Controller (UPFC) is most promising new technologies among the many FACTS devices which can improve the power system operation and power quality problems. To
more &raquo; ... oid such problems need to find out devices that can provide a backup during the time of voltage sags and such deviations. UPFC joined with batteries through dc-dc chopper have been introduced to improve their ability to exchange real power. The active power injected into the DC-bus is controlled by varying the duty cycle of the switches in the dc-dc chopper while the battery is discharging. Energy storage devices in power systems can be added to existed FACTS devices to increase their stability of the power system. This paper concentrated in integrating UPFC with battery energy storage system which helps to improving the reliable operation of the power systems. UPFC is used to enhance power transfer throughout low-voltage conditions, which usually predominate throughout faults, decreasing the acceleration of native generators [1] .
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