Implementation of Three phase TCSC Controller Design for Power System Stability Improvement



: Due to the rapid technological progress, the consumption of electric energy increases continuously.

But the transmission systems are not extended to the same extent because building of new lines is difficult for environmental as well as political reasons. Hence, the systems are driven closer to their limits resulting in congestions and critical situations endangering the system security. Power Flow Control devices such as Flexible AC Transmission Systems (FACTS) provide the opportunity to influence power flows and voltages and therefore to enhance system security, e.g. by resolving congestions and improving the voltage profile. Furthermore, shunt capacitors typically must be connected at the line midpoint, whereas no such requirement exists for series capacitors. There  are  different  types  of  FACTS  controllers proposed  for  the  regulation  of  the  power  system.  They are Series controllers, Shunt Controllers and combination of both. This paper focuses on the series controller  Thyristor Controlled Series Compensator (TCSC) which improves the power  flow  in  the  system  and  provides  continuous  control over the entire operating region.

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Copyright (c) 2016 P SRINIVAS, P RADHA KRISHNA

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