FACTS Devices Loss Consideration in Placement Approach for Available Transfer Capability Enhancement

Abstract:

This paper incorporates Flexible AC Transmission System (FACTS) device loss with the general loss sensitivity equation for the determination of optimum location for its placement in deregulated power networks, with objectives of Available Transfer Capability (ATC) enhancement, bus voltage improvement and loss reduction. A detailed mathematical model in terms of circuit system parameters is presented based on FACTS loss amalgamation approach. Thyristor Controlled Series Capacitor (TCSC) FACTS device is considered for simulation and analysis because of its capability to control active power among other parameters. The TCSC location is established based on analysis of sensitivity factors obtained from partial derivatives of the resultant loss equations (including FACTS) with respect to control parameters. ATC values are obtained using ACPRDF method and with TCSC in place, these values are enhanced for different bilateral and multilateral power transactions. IEEE 5 Bus system is used for the demonstration of the effectiveness of this approach. Placement with this method resulted into ATC enhancement of more than 60% well above the values obtained when TCSC was placed with thermal limit method. In addition, a substantial bus voltage improvement of up to 3% deviation minimization as well as up to 10% active power loss reduction was recorded with this placement.

• Periodical: International Journal of Engineering Research in Africa (Volume 49)
• Pages: 104-129
• DOI: https://doi.org/10.4028/www.scientific.net/JERA.49.104
• Online since: June 2020
• Authors: Babatunde Olusegun Adewolu*, Akshay Kumar Saha
• Keywords: Alternating Current Power Transfer Distribution Factor (ACPTDF), ATC Enhancement, Available Transfer Capability (ATC), Flexible Alternating Current Transmission System (FACTS), Sensitivity Factor, Thyristor Controlled Series Capacitor (TCSC)

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