Abstract
The dynamic process analysis of the generator self-excitation was proposed in this paper, considering the effect of the active power load in the isolated system. Firstly, generator self-excitation generation mechanism was introduced in this paper. Then, with a simple analysis system, two situations, which include the undercompensation system and the over compensation system, are discussed to analyze the dynamic process of the generator self-excitation phenomenon. Analysis results show that when there is the active power load in the isolated power system, the rotate speed of the generator in this system can be limited after the load rejection faults occurrence in system. Therefore, the overvoltage of the system caused by self-excitation can be limited obviously. Hence, the equipment in the system can be protected.
Published Version
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