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Home > Archives > Volume 20, No 8 (2022) > Article

DOI: 10.14704/nq.2022.20.8.NQ44886

VOLTAGE STABILITY IMPROVEMENT IN POWER SYSTEM USING ON-LOAD TAP CHANGER

Hemanth Kumar

Abstract

This work is about the study of long-term voltage stability in power system by viewing the on-load tap changers OLTCs at the vulnerable buses. Vulnerable buses are identified from P-V and Q-V curves often plotted by using the power flow analysis. Vulnerable buses are susceptible to voltage instability. This work attempts to enhance the voltage stability by operating the tapings of the OLTC under a stressed condition. However, a condition will be developed to block the tapings to avoid the reverse effects. OLTCs are included in the Newton Raphson (NR) power flow program in MATLAB environment.

Keywords

This work is about the study of long-term voltage stability in power system

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