FSC (Fixed Series Compensation)

Fixed Series Compensation is since long the preferred solution when vast bulk transmission corridors shall be optimized. Inserting a capacitive reactance in series with a long (typically more than 200km) transmission line, reduces both the angular deviation and the voltage drop, resulting in increased load ability and stability. The fact that it is the current through the transmission line that directly "drives" the Mvar output from the capacitor, makes the compensation concept "self regulating", and this straightforward principle assures that Series Compensation is an extremely cost effective solution. It provides:

• increased transient (angular) stability of a power corridor
• increased voltage stability of the grid
• improved voltage profile along the power corridor
• optimized power sharing between parallel circuits