Dinamik kompanzasyon cihazlarında kullanılan evirici yapıları STATCOM ve DSTATCOM topolojileri

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Static Synchronous Compensator (STATCOM) is used for to improve the stability of power system and reactive power compensation of transmission lines. When a STATCOM used in a distribution system it is called Distribution STATCOM (DSTATCOM). As a custom power device DSTATCOM is a shunt connected voltage source inverter to a common coupling point in the distribution system and is used for to improve the power quality probl ems. The main structural unit of STATCOM and DSTATCOM are inverters. Many inverter topologies are used in the application and a lot of proposed inverter structures are available in the literature. In this study the inverter structures and topologies that are used in STATCOM and DSTATCOM up to now are investigated. The advantages and disadvantages of the inverter structures are presented. Also a lot of examples from the literature have been given.