Abstract
This chapter focuses on power electronics (PE)-based solutions used in distribution networks for reduction of supply-voltage-quality deterioration, from long interruptions to the harmonics. Various PE devices and their combinations are addressed for particular or a range of voltage disturbances. A particular solution is applied taking into account demands for voltage quality and network configuration. In general, there are three types of static shunt PE voltage-quality controllers: The distribution static var compensator (D-SVC), distribution static synchronous compensator (D-STATCOM) and various hybrid arrangements. From the viewpoint of device topology D-SVC and D-STATCOM are identical with SVC and STATCOM, respectively. The difference between them results from place of installation (distribution network or transmission system) and, in consequence, the rated power and control methodology. The SVC and STATCOM are flexible AC transmission systems (FACTS) devices and are used to enhance controllability and increase the power transfer capability in transmission systems [1], whereas D-SVC and D-STATCOM are custom power-compensating shunt controllers used in distribution systems [2]. Their main purpose is voltage regulation, load compensation, but also voltage profile improvement. When operating with an energy-storage system D-STATCOM is capable of compensating active power fluctuations in the feeder.
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Strzelecki, R., Wojciechowski, D., Benysek, G. (2007). Static Shunt PE Voltage-quality Controllers. In: Moreno-Muñoz, A. (eds) Power Quality. Power Systems. Springer, London. https://doi.org/10.1007/978-1-84628-772-5_7
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DOI: https://doi.org/10.1007/978-1-84628-772-5_7
Publisher Name: Springer, London
Print ISBN: 978-1-84628-771-8
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