A multi-objective model for allocation of Magnetically Controlled Shunt Reactors

The most important task of a system operator is to ensure that the frequency and voltage of network are in allowed range. One of the instruments that helps the operator to keep frequency and voltage in specified range is Flexible Alternating Current Transmission System (FACTS). Magnetically Controlled Shunt Reactor (MCSR) is a type of FACTS devices which is widely used for avoiding the overvoltage and, therefore, increasing the voltage stability without switching or taping via fixed reactors. This advantage and other benefits of MCSR help the system operator to have a flexible operation, and prevent the occurrence of overvoltage in network; however, replacement of each fixed reactor with MCSR has never been justified financially. In this paper, a new method for determining the best location of installing a MCSR and its capacity with consideration of technical and economical criteria are proposed. Besides, the proposed technical criteria in this paper are in compliance with MCSR characteristics and benefits. In purpose of decision making in the Scenario based algorithm, the combination of AHP and TOPSIS methods is used. The proposed method for determining the best location of MCSR is applied in IEEE 9 bus system and the integrated transmission network of Iran as a practical study.

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