Stochastic Placement and Sizing of Static Synchronous Series Compensator in Restructured Power Systems

摘要

Background: Enhancement of Available Transfer Capacity is an important issue in theelectric power market. The Available Transfer Capacity (ATC) of a transmissionnetwork is the unutilized transfer capabilities of the network that can be used for thefurther transfer of power. Objectives: This paper presents the use of Flexible ACTransmission Systems (FACTS) for improving ATC in deregulated electric powersystem. The optimal location and parameter settings of Static Synchronous SeriesCompensator (SSSC) as a FACTS device have been investigated in this study. The useof SSSC is proposed in this paper to alleviate the congestion in transmission lines tomaximize the ATC between desired network buses and compares two optimizationmethods to reach a more reliable algorithm for this problem. The uncertaintiesassociated with transmission system equipment’s availability is modeled using thescenario approach, Monte Carlo simulation is applied to generate scenarios; scenarioreduction techniques are applied to reduce the size of the stochastic SSSCimplementation problem. Results: The proposed method is tested on modified IEEEReliability Test System as a congested network, and the results are presented and indetail discussed to show the effectiveness of the method. The obtained Resultsdemonstrate the necessity of consideration of uncertainties associated with powersystem in planning of SSSC placement problem.