Analysis and Enhancement of Power System Stability Using Particle Swarm Optimization
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 11
Abstract
Voltage stability improvement is an important issue in power system planning and operation. Voltage stability margin is essential to be known in advance to avoid voltage collapse and system blackout. This paper discusses some important aspects related to voltage stability indices in electric power systems. Some techniques previously studied in the literature are analyzed and a comparison of the performance of several indices is presented. This paper proposes an improved voltage stability index (IVSI) for buses and Line Collapse Proximity Index (LCPI) lines. LCPI index is based upon exact model of transmission system and developed using ABCD parameters of network. One of the important features of the proposed index is that it incorporates the effects of relative directions of active and reactive power flows in the line to predict voltage collapse. The formulated index was tested on the IEEE 14-bus test system in order to verify the performance of the proposed indices.
Authors and Affiliations
Medisetti V V S N Murthy, D. Srilatha, Chintalapudi V Suresh
Keywords
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