alexa Enhancement of Voltage Stability in Power System with Optimal Location of Static VAR Compensator | Abstract
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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In electrical power systems voltage stability problems are exist, by the presence of different load models and undesirable conditions such as short circuit and open circuit faults. This paper presents the effect of different load models on the voltage levels at each bus. The static load types, in which active and reactive powers vary with voltage with independent of time, are used. The voltage levels are improved by the desired location of SVC at required buses. The effect of SVC on voltage control for variable load conditions are investigated, for this purpose load is considered as dynamic load, in which active and reactive powers vary with voltage with dependent of time. Voltages are maintained at desired levels by using minimum number of Static VAR Compensators (SVC) and PI controllers are used to control SVC. Modelling and simulation of the considered system are performed using Mat Lab Sim Power Systems; studied power system is a simple five-bus system.

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Author(s): Sreenivasulu. k, Gouse Basha. Sk

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