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Increasing the electric power demand and restrictions in the power system expansion due to the high cost and environmental issues urge the utility companies to deploy the devices which will increase the level of the power to be transmitted on the existing transmission lines. Unified Power Flow Controller (UPFC) is the most versatile Flexible AC Transmission System (FACTS) devices which can be used...
The 48-pulse series connected 3-level neutral point clamped (NPC) converter approach has been used in unified power flow controller (UPFC) application due to its near sinusoidal voltage quality. This paper investigates the control and operation of series and shunt converters with 48-pulse voltage source converters (VSC) for UPFC application. A novel controller for series converter is designed based...
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