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FACTS for Tapping and Power Flow Control in Half-Wavelength Transmission Lines

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2 Author(s)
Aredes, M. ; Grad. Sch. of Eng. (COPPE), Univ. Fed. do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil ; Dias, R.

This paper presents a solution for transmission of bulk power over long distances. It allows the interconnection between remote power plants and power grids, which is a common situation in countries with continental dimensions, such as China, Russia, Brazil, and Canada, and also special projects like supergrids in Europe and Asia. This paper also presents an analytical analysis of series and shunt FACTS applications for tapping and power flow control in half-wavelength transmission lines. The proposed FACTS devices are able to drain or inject fractional active power in the half-wavelength line and simultaneously to control the main power flow through the line by means of reactive power compensation, without mischaracterizing its particular principle of half-wavelength operation. Simulation results from a frequency-dependent model of transmission line and the complete models of the series and the shunt FACTS devices were obtained in the PSCAD/EMTDC to demonstrate the feasibility of the proposed systems.

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Industrial Electronics, IEEE Transactions on  (Volume:59 ,  Issue: 10 )