Abstract

Static Synchronous Series Compensator (SSSC) is a series lumped FACTS device enabling active power flow control through the transmission line. Highly rated power electronics converter and coupling transformer circuits makes SSSC installation very limited due to its high cost. Instead, Low cost Distributed Static Series Compensator (DSSC) is reliable option for series compensation. It is one of the Distributed FACTS device which injects voltage in series with the line at 90° angle to line current which is similar to SSSC. It emulates inductive and capacitive reactance and changes effective line reactance for active power flow control in the line. In this paper DSSC is presented. A particle swarm optimization (PSO) method is used to obtain the best location of DSSC placement as well it is applied to find number of DSSC’s to achieve active power flow control in optimum way. MATLAB simulation results are presented to demonstrate active power flow control in the line with the help of DSSC devices

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