Security constraint economic dispatch method based on security domains
An economic dispatch and security constraint technology, applied in the field of security constraint economic dispatch based on security domain, can solve the power transient stability problem complexity, inconvenience to solve, difficult to consider static voltage stability constraints and transient stability constraints and other problems
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[0177]Aiming at the problems that it is difficult to consider the static voltage stability constraints and transient stability constraints and the safety margin of the dispatching scheme in the current economic dispatch of the power system, the present invention is based on the methodology of the safety domain, through active static safety domain, cut-set voltage The stability domain and the dynamic security domain consider branch power flow constraints, static voltage stability constraints, and transient stability constraints respectively. For the first time, the above three network security constraints are simultaneously considered in the power system economic dispatch; and defined by the distance from the operating point to the domain boundary The static stability margin and transient stability margin of the system are determined, and the scheduling model aiming at maximizing the system stability margin and the multi-objective scheduling model considering the system operation...
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