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Case Study Article |

Optimal Placement of PMUs in Smart Grid for Voltage Stability Monitoring using AMPSO and PSAT

Author(s): Palepu Suresh Babu1 and Dr. M Damodar Reddy2

Published In : International Journal of Electrical and Electronics Research (IJEER)        Volume 11, Issue 1

Publisher : FOREX Publication

Published : 05 February 2023

e-ISSN : 2347-470X

Page(s) : 31-38

DOI: https://doi.org/10.37391/IJEER.110105

Abstract

Efficient energy use is critical for a growing nation like India. The smart grid (SG) idea enables the creation of a highly dependable electricity system that optimizes existing resources. The Indian electricity grid as it now exists needs fundamental modifications to satisfy increasing demand and to make the system more intelligent and dependable. Since the past several decades, power system stability has been seen as a significant challenge to power system researchers and utilities. With a not many strategically placed Phasor Measurement Units (PMUs), it may be feasible to observe the power system stability of the network. This article suggests an optimum location for PMUs, considering the effect of power system stability-related serious situations. The disturbances have been prioritized according to their voltage stability boundary (the gap among the stand case working and nose points). Changes in the voltage stability tolerance due to shifting load conditions were also considered in the crucial contingency determination. PMUs were inserted in the system based on Adaptive Mutated Particle Swarm Optimization (AMPSO) findings for the intact system and crucial contingency scenarios on the basis of voltage stability. The effectiveness of the suggested PMUs placement strategy was determined by examining nose curves produced with PMUs data and pseudo-observations under increasing demands to nose curves calculated offline using continuation power flow data. Using the software tool Power-System Analysis Toolbox (PSAT), case studies were conducted on a conventional IEEE14 bus system and a realistic 246 bus Indian Power Grid system.

Keywords: Optimal PMUs placement, Voltage stability, Contingencies, Adaptive Mutated Particle Swarm Optimization, Geography, Observability .




Palepu Suresh Babu*, Department of Electrical & Electronics Engineering, Research Scholar, SVUCE, Tirupati, 517502, India; Email: sureshram48@gmail.com

Dr. M Damodar Reddy, Department of Electrical & Electronics Engineering, Research Scholar, SVUCE, Tirupati, 517502, India; Email: mdreddy999@rediffmail.com

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Palepu Suresh Babu and Dr. M Damodar Reddy (2023), Optimal Placement of PMUs in Smart Grid for Voltage Stability Monitoring using AMPSO and PSAT. IJEER 11(1), 31-38. DOI: 10.37391/IJEER.110105.