Abstract
Objectives: In this study, optimization techniques SSPSO and SPSO are used to minimize the total generation cost and active power loss. Methods/Analysis: The power flow analysis gives the information of magnitude of voltages, phase angles and complex power flow at each bus. Optimal Power Flow (OPF) solutions with Static Series Compensator (SSC) FACTS device in the power system to increase the total power transfer. Fast Relative Electrical Distance (F-RED) method based on Simple-Voltage Stability Index (H-index) is used to find the maximum generation supplied to the load. Findings: Comparison was made on SSPSO and SPSO methods and SPSO with SSC gives better results. The H-index is used to judge the power system is stable or unstable. F-RED gives the information, the amount of generators contribution to satisfy the loads. Novelty/ Improvement: SSPSO gives better solution results than SPSO, the methods are applied on IEEE-30 bus system. H- INDEX and F-RED are calculated for the IEEE-5 bus system. Keywords: OPF, SPSO, SSC, SSPSO
Highlights
Optimal power flow is considered as backbone tool in the power systems
The problem of Optimal Power Flow (OPF)[1] is yet to be studied by minimizing the cost, losses andhas becomes the source of concern to secure operation of the power system
The proposed SPSO & SSPSO algorithms for solving optimal power flows is tested on the IEEE-30 bus test system
Summary
With the increase in demand leads to increase in generation that requires increase in the thermal capacity For this reason, the problem of Optimal Power Flow (OPF)[1] is yet to be studied by minimizing the cost, losses andhas becomes the source of concern to secure operation of the power system. Application of SSPSO and SPSO to Optimal Power Flow Solutions along with SSC Device index can be helpful for monitoring the system parameters. This index-based instability measures and captures unique system behavior in terms of number and interprets them to give the idea of distance to instability.
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