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An new approach to determine the margin of voltage stability region in power injection space (SVSR) for power system with wind farms is presented. The SVSR boundary is described by a set of hyper-planes, whose number and tangent point are determined by clustering method. The presented approach is validated by several power system. It can be revealed that the approach can be used for power system voltage...
Dynamic security region (DSR) gives system engineers systematic and global information about the feasible operation region in power injection space. This paper is a result of an investigation into the use of DSR concept and its effective application in power systems. It particularly concerns with developing a software-based tool for the dynamic security assessment in the online operation environment...
This paper proposes a framework for real-time static voltage stability analysis and monitoring of bulk power systems. This framework involves continuous power flow (CPF) studies, weak nodes and weak regions identification, critical cut-set (transmission bottlenecks) selection and visualization of voltage stability regions. It aims to monitor voltage stability of power systems by judging whether the...
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