Voltage instability analysis for electrical power system using voltage stabilty margin and modal analysis

Voltage instability analysis for electrical power system using voltage stabilty margin and modal analysis

Voltage instability analysis in electric power system is one of the most important factors in order to maintain the equilibrium of the power system. A power system is said to be unstable if the system is not able to maintain the voltage at all buses in the system remain unchanged after the system is...

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Bibliographic Details
Main Authors: Mohamad Nor, Ahmad Fateh, Sulaiman, Marizan, Abdul Kadir, Aida Fazliana, Omar, Rosli
Format: Article
Language:English
Published: Institute of Advanced Engineering and Science (IAES) 2016
Subjects:
TK1001-1841 Production of electric energy or power. Powerplants. Central stations
Online Access:http://eprints.uthm.edu.my/2438/1/AJ%202019%20%2821%29.pdf
Description
Summary:Voltage instability analysis in electric power system is one of the most important factors in order to maintain the equilibrium of the power system. A power system is said to be unstable if the system is not able to maintain the voltage at all buses in the system remain unchanged after the system is being subjected to a disturbance.The research work presented in this paper is about the analysis of voltage instability of electric power system by using voltage stability margin (VSM), load real power (P) margin, reactive power (Q) margin, reactive power-voltage (QV) and real power-voltage (PV) modal analysis. IEEE 30-bus system has been chosen as the power system. The load flow analysis are simulated by using Power World Simulator software version 16. Both QV and PV modal analysis were done by using MATLAB application software.

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