Generators Effect on Voltage Stability Enhancement by Normal Forms of Diffeomorphism

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Generators are of different importance to the system in terns of voltage stability. It is extremely vital to research generators’ impacts on the voltage stability. In this paper, the theory of the normal forms of diffeomorphism is used to analyze the power flow equations. By this method, the nonlinearity of power systems can be taken into consideration. Therefore, the impact of generators can be measured with more accuracy even for the cases in which the system is characterized with strong nonlinearity. The IEEE 14-bus test system is used as a case study. The results show that it ranks the generators with more accuracy than the traditional linear method.

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February 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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