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The optimal control of reactive power and voltage is one of the essential issues in power system's secure and economical operation. After analyzing the model of reactive power optimization in regional power grids and the mechanism of particle swarm algorithm, this paper has proposed an improved discrete PSO algorithm with dynamic parameters and a diversion strategy to solve ORP problem in regional...
The optimal control of voltage and reactive power is one of the essential issues for power grids' security and the economical operation. Having elaborated the model of reactive power optimization in regional power grids, this paper advances an improved genetic algorithm integrated with reduced gradient technique for solving of ORP problem in regional power networks. It is implemented repeatedly on...
Fuzzy synthetic evaluation (FSE) is a common method for relay protection condition assessment, but its constant weights are unable to objectively reflect the impact of the deviation of assessment parameters and the condition assessment result is not satisfied. Aiming at the deficiency, a variable weight fuzzy synthetic evaluation (VWFSE) method is proposed. Variable weight is the main feature of VWFSE...
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