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Modern flexible AC transmission system (FACTS) devices

K. Wang and M.L. Crow,     Missouri University of Science Technology, USA

Abstract:

This chapter describes the primary modern FACTS devices currently deployed worldwide. Modern FACTS devices are based on the concept of the voltage source converter (VSC) to inject a controllable AC waveform at the fundamental frequency into the power system to alter the power flow at a bus or across a transmission line. This chapter reviews the three primary modern FACTS devices: the static synchronous compensator (STATCOM), the static synchronous series compensator (SSSC), and the unified power flow controller (UPFC). The state-space nonlinear model is provided for each device as well as a typical control ...

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