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The Flexible Alternating-Current Transmission Systems, incorporating a wide range of possibilities for better utilization.
Improvement of voltage and current limits on the power electronics devices leads to a fast development in the last decade. Solid state power
electronic devices or Flexible Alternating-Current Transmission Systems technologies has brought an scope for electric utilities to operate their
bulk power flow network close to their thermal limits while maintaining and/or improving network security or reliability. High-power electronic
devices can provide unprecedented control over electricity flow in transmission networks. Flexible Alternating-Current Transmission Systems
devices responds quickly enough to changing network conditions to provide real-time power flow control, which is essential when large numbers
of power transactions occur in a fully deregulated electric industry. In this paper a MATLAB / SIMULINK model of 3-phase series controller
has been developed for quick power flow control between two Areas connected by 100 km transmission line. The effect of TCSC controller
firing angle variation on power flow is also studied.
Keywords: Firing angle, System flexibility, Flexible AC Transmission System, Thyristor Controlled Series Capacitor (TCSC), Power system
stability, Power Flow, Simulink.
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