Static Voltage Stability In Electrical Power system

Mohd Firdaus, Basir (2009) Static Voltage Stability In Electrical Power system. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Electrical power system involves generation, transmission, and distribution components. Each of these components engages with voltage stability which means the ability of a power system to maintain steady voltage after a small disturbance. This study defined the static voltage stability for technical used in design power system planning as well as investigate the factors that affecting voltage stability. Loss of synchronism, loss of transmission lines, loads demand increment and insufficient generated reactive power was identified as factors affecting static voltage stability through contingencies analysis created by according to those factors. Load-flow analysis was executed using Load-flow Version 3.2.1 by ERA Technology Ltd. in ERACS Version 3.2.2 software in order to analyze the contingencies and improving methods that related to static voltage stability. Hence, the possible methods to improve voltage level at each busbars in two (2) power system network in this study had been done. Experimentally, the implemented methods were verified by ensuring the results in parallel with theoretical values. Thus, the projection of power system limit can be predicted before reaching voltage collapse situations. Moreover, appropriate methods can be applied to the system to improve static voltage stability with considerations of power system utilizations level.

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