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- Title
A Review of UPFC and a Novel FACTS Controller for Voltage Stability Enhancements in Power Systems.
- Authors
Bhaskar, M. Arun; Chinnamuthu, C. Subramani; Dash, Subhransu Sekhar
- Abstract
FLEXIBLE AC transmission systems (FACTS) have been developed for better control of electric power flow through the efficient utilization of existing transmission lines. In its most exotic form, the unified power-flow controller (UPFC) is a FACTS controller consisting of power-electronic components that can be employed for controlling the magnitude and phase angle of the line voltage and the line impedance simultaneously. However, excessive installation and operating costs do not justify widespread use of such a controller. To address this issue, the designing of converter-less FACTS device has been introduced. This converter less FACTS device has been designed using the traditional technology of transformer and taps, commonly known as "SEN" Transformer. The ST uses time-tested components, such as transformers and tap changers, and injects a voltage of variable magnitude and phase angle, such as a UPFC, in series with the transmission line, thereby regulating the active and reactive power flow in the line independently. A three bus 230kv transmission line is taken as reference for the digital simulation.
- Subjects
FLEXIBLE AC transmission systems; ALTERNATING currents; ELECTRIC potential; ELECTRIC power; ELECTRIC lines; ELECTRIC power distribution; ELECTRIC transformers
- Publication
International Review on Modelling & Simulations, 2012, Vol 5, Issue 4, p1612
- ISSN
1974-9821
- Publication type
Article