TRANSMISSION LINE POWER FLOW CONTROLLER WITH UNEQUAL ADVANCEMENT AND RETARDATION OF TRANSMISSION ANGLE

摘要

A bias voltage (V alpha ) vectorially added to the controllable voltage (V?pq?) injected in series with the line voltage (V?o?) of a transmission line (3) reduces the required MVA rating for a unified power flow controller (UPFC) (1) in applications where the power in the transmission line (3) only flows in a single direction, or where the range of the transmission angle is otherwise unequal about zero.