英语翻译配电系统开关的优化配置问题本质上是一个计及可靠性约束的0-1整数规划问题,常以成本效益分析为

发布时间:2021-02-28 04:42:06

英语翻译配电系统开关的优化配置问题本质上是一个计及可靠性约束的0-1整数规划问题,常以成本效益分析为基础,将设备投资和减少停电损失获得的经济效益综合形成目标函数,建立模型.该模型属非线性、不可微、连续-离散混合的组合优化问题.同时,目标函数不易用决策变量解析表达,其计算复杂性大,属组合优化难题.目前的求解方法有很多,例如:直接计算法、馈线的简单分段法、启发式方法、Bellmann方法、人工智能算法

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The optimal allocation of distribution system switches on the nature of the problem is a design and reliability constraints of 0-1 integer programming problems, often based on cost-benefit analysis, the investment in equipment to reduce power losses and overall efficiency obtained by the formation of the objective function, the establishment of model. The model is a nonlinear, non-differentiable, continuous - discrete mixed binatorial optimization problems. Meanwhile, the decision variables the objective function is not easy to resolve with the expression of its large putational plexity, is a binatorial optimization problem. There are many ways to solve the current, such as: direct calculation, sub-feeder the simple method, heuristic methods, Bellmann methods, artificial intelligence algorithms. Now more monly used artificial intelligence algorithms, including simulated annealing, genetic algorithm, immune algorithm, tabu search algorithms, particle swarm algorithm, these algorithms are still to some extent, there is still insufficient. For example, the genetic algorithm itself, the performance characteristics of the defect, making their genetic algorithm to solve practical problems, easy to fall into local optimal solution. PSO is the need to go through more cycles before convergence to the global optimum. In the above stochastic optimization algorithms, due to the dimension of the limit, the optimization process in the distribution system switches each switch position corresponds to a variable, the state quantity, so easily lead to inefficient search. To be more reasonably applied to practical problems in the past, must find a solution both accurate and efficient method. By considering reliability and economic coordination, the optimal configuration of switches range of options; power distribution system for the probability of availability indicators known conditions, solving the optimal solution, in order to achieve practical and effective purpose.
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