Multiobjective Optimization Approach for Coordinating Different DG from Distribution Network Operator

Multiobjective Optimization Approach for Coordinating Different DG from Distribution Network Operator

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Integrating with analysis of uncertainties, this paper presented a multiobjective optimization approach for coordinating different DG from the perspective of Distribution Network Operator (DISOPER).Aiming to three uncertain cath kidston forget me not factors including fuzzy variable, random variable, and interval variable, the information entropy and interval analysis methods are adopted to construct multistate models of multisource uncertainty.The information entropy method is to convert fuzzy variable into equivalent random variable.Interval analysis method is to transform random variables into interval variables by setting a confidence level.

Then plenty of simulation analysis based on the small probability event and expectation are investigated to reduce the computational burden and eliminate invalid computation.Subsequently, multiobjective formulations based on multistate are built by analyzing systematical power loss, voltage quality, reliability, and environment change cloth nappies ackermans provide some reference for DISOPER in dealing with access of privately owned DG units.Furthermore, based on network topology analysis and modified nondominated sorting genetic algorithm (NSGA), a combinatorial optimization method is proposed to reduce search space and solve the constructed formulations efficiently.Simulations are carried out on IEEE 37-bus systems and results are presented and discussed.