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In the risk assessment of cascading outages, the rationality of simulation and efficiency of computation are both of great significance. To overcome the drawback of sampling-based methods that huge computation resources are required and the shortcoming of initial contingency selection practices that the dependencies in sequences of outages are omitted, this paper proposes a novel risk assessment approach...
During the application of power system security check, a variety of raw data acquired from different sources, including the information of current operation state, day-ahead forecasting and scheduling etc., should be integrated to generate the cross-sections dataset describing the future operation. The original power system modeling information is exported by SCADA/EMS in CIM format. Furthermore,...
Voltage stability margin of regional network is not a fixed quantity but closely related to operation condition and operation constrains. This paper proposes an effective method to estimate the real-time voltage stability margin based on some locally synchrophasor measurements. A Radial Basis Functions (RBF) neural network is employed to estimate the regional margin. The validity of the method is...
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