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Static Compensators (STATCOMs) in Power Systems
A static compensator (STATCOM), also known as static synchronous compensator,
is a member of the flexible alternating current transmission system (FACTS)
devices. It is a power-electronics-based regulating device which is composed of a
voltage source converter (VSC) and is shunt connected to alternating current
electricity transmission and distribution networks. The voltage source is created
from a DC capacitor and the STATCOM can exchange reactive power with the
network. It can also supply some active power to the network if a DC source of
power is connected across the capacitor. A STATCOM is usually installed in the
electric networks with poor power factor or poor voltage regulation to improve
these problems. In addition, it is used to improve the voltage stability of a network
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