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Impact of VSC-Based Multiline FACTS Controllers on Distance Protection of Transmission Lines

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2 Author(s)
Khederzadeh, M. ; Dept. of Electr. Eng., Power & Water Univ. of Technol. (PWUT), Tehran, Iran ; Ghorbani, A.

By utilizing multiline voltage-source (VSC)-based flexible ac transmission system (FACTS) controllers, independent controllability over each compensated line of a multiline system can be achieved. While VSC-based multiline FACTS controllers emerged as a new opportunity to control two independent ac systems, the main constraints and limitations that are presented to the conventional transmission-line protection systems need to be investigated. In this paper, the impacts of VSC-based FACTS controllers on distance relays while controlling the power flow of compensated lines are evaluated analytically and by detailed simulations for different fault types and locations.

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Power Delivery, IEEE Transactions on  (Volume:27 ,  Issue: 1 )