Transcription of SVC and STATCOM An overview - ABB
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SVC and STATCOM An overview - ABB
APPLICATION NOTE S VC a n d STATCO MAn overview SVC and STATCOM : An overviewSVC (Static Var Compensator) and STATCOM (Static Synchronous Compensator) are shunt devices in the FACTS family. The initial of the two, SVC, based on high power thyristor technology, appeared in the field in the 1970s. STATCOM , based on GTO ( gate Turn-off Thyristors) came into use in the 1980s, and subsequently, with high power IGBT ( insulated gate bipolar transistor ) becoming commercially avail-able, STATCOM based on this technology platform came on line in the 1990s.
Insulated Gate Bipolar Transistors (IGBT) and Insu-lated Gate Commutated Thyrustirs (IGCT) are key components in SVC Light. The multilevel chain-link solution is built up by linking H-bridge modules in series with one another to form one phase leg of the VSC branch. (a) shows a single H-bridge with four IGBTs, and (b) shows a configuration in which
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