Analysis of optimal voltage stability in power systems with wind power
2017
Due to various environmental and economic constraints, the transmission networks are tending to operate close to loadability limit. Loadability limit is known as the point in which demand reaches the maximum value. But if the system is operating near to loadability limit, then there is a possibility of voltage instability. Maximum loadability point or point of voltage collapse can be computed using optimization methodologies. This paper mainly deals with Gravitational Search Algorithm (GSA) as an optimization technique to determine loadability limit of power system integrated with wind power. The IEEE 14-bus System which is modified to incorporate wind power generation is used for the simulation in MATLB and the results show more enhancements in the loadability limit of power system. The wind generation is augmented to standard IEEE14 bus test system and the infiltration level is varied to assess the influence of wind power on voltage stability and loadability limit enhancement.
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