Abstract:
This paper describes the theory and the modeling technique of a Flexible Alternating Current Transmission Systems The collective acronym FACTS has been adopted in recent years to describe a wide range of large power electronic based controllers, which may, at present or in the future, be used to increase the flexibility of power systems and thus make them more controllable. These controllers can be considered as dependable means to help increase the power transfer capability of transmission networks. To achieve a Flexible Alternating Current Transmission System (FACTS) requires the insertion of plant in order to control the three main parameters directly affecting alternating current (ac.) power transmission; namely voltage, phase angle and impedance
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