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The time of operation of overcurrent relays (OCRs) can be reduced, and at the same time, the coordination can be maintained, by selecting the optimum values of time multiplier setting (TMS) and plug setting (PS) of OCRs. This paper presents hybrid genetic algorithm (GA) - nonlinear programming (NLP) approach for determination of optimum values of TMS and PS of OCRs. GA has a drawback of, sometimes,...
This paper presents Plant Growth Simulation Algorithm (PGSA) for minimum loss configuration of radial distribution network. The algorithm has emerged as a useful optimization tool for handling nonlinear programming problems. The algorithm implements a guiding search direction that changes dynamically as the change of the objective function and does not require any external parameters. The objective...
Many systems are required to perform a series of missions with finite breaks or limited maintenance resources between successive missions. In such cases, one of the most widely used maintenance policies is a selective maintenance in which a subset of feasible maintenance actions is chosen to satisfy the subsequent mission requirements. Traditional selective maintenance optimization problems reported...
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