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Power Flow Calculation using FACTS Device: SSSC

Durga Prasad Ananthu, Narender Reddy Narra

Abstract


 

The static synchronous series compensator (SSSC) is one of the recently developed flexible ac transmission system (FACTS) controllers. The SSSC coupled with a transformer is connected in series with a transmission line. This paper describes a multicontrol functional model of the SSSC for power flow analysis, which can be used for steady state control of one of the following parameters: like the active power flow on the transmission line, the reactive power flow on the transmission line, the voltage at the bus and the impedance (precisely reactance) of the transmission line. The paper discusses the basic operating and performance characteristics of the SSSC, and compares them to those characterizing the more conventional compensators based on thyristor-switched or controlled series capacitors. It also presents some of the results of TNA simulations carried out with an SSSC hardware model.


Keywords


AC Transmission, FACTS, Power Flow Controller, Power Converter, Inverter, Thyristor, GTO, etc.

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References


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