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Prediction of Instability Separation Modes and Its Application in Practical Dynamic Security Region 总被引：1，自引：0，他引：1
The dynamic securityregion(DSR) is definedas are-gionininjectionspacein whicha power systemwill betran-siently stable for a given fault[1].The DSRis usually de-noted asΩd(i,j,F) ,whereiandjdenote the networkstructures of pre-fault and post-fault ,respect… 相似文献
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The models, methods and their application experiences of a practical GIS (geographic information system)-based computer decision-making support system of urban power distribution network planning with seven subsystems, termed CNP, are described. In each subsystem there is at least one or one set of practical mathematical methobs. Some new models and mathematical methods have been introduced. In the development of CNP the idea of cognitive system engineering has been insisted on, which claims that human and computer intelligence should be combined together to solve the complex engineering problems cooperatively. Practical applications have shown that not only the optimal plan can be automatically reached with many complicated factors considered, but also the computation, analysis and graphic drawing burden can be released considerably. 相似文献
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The security constrained distributed optimal power flow (DOPF) of interconnected power systems is presented. The centralized OPF problem of the multi-area power systems is decomposed into independent DOPF subproblems, one for each area. The dynamic security region (DSR) to guarantee the transient stability constraints and static voltage stability region (SVSR) constraints, and line current limits are included as constraints. The solutions to the DOPF subproblems of the different areas are coordinated through a pricing mechanism until they converge to the centralized OPF solution. The nonlinear DOPF subproblem is solved by predictor-corrector interior point method (PCIPM). The IEEE three-area RTS-96 system is worked out in order to demonstrate the effectiveness of the proposed method. 相似文献
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