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On Optimal Cost Planning of Low Voltage Direct Current Power Distribution Networks

机译:低压直流配电网的最优成本计划研究

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摘要

In this article, optimal planning problem of large-scale urban power distribution network, in the presence of low-voltage direct current (LVDC) distribution technology, is formulated. The problem is modeled as a minimization of cost function comprising construction and loss costs. Simulations are performed on an urban test-case; spatial load forecasting is adopted and imperialist competitive algorithm (ICA) is utilized to find the optimal solution. Results show that the smaller sizes (large numbers) of MV substation (distribution transformer and rectifier) give the optimal solution. MV substations have standard sizes up to 2500 kVA; the proposed planning approach opted substations of size up to 315 kVAfor a total cost function comprising costs of LV feeders and MV substations.
机译:本文提出了在存在低压直流(LVDC)配电技术的情况下,大型城市配电网的最优规划问题。该问题被建模为成本函数的最小化,包括构建成本和损失成本。模拟是在城市测试用例上进行的;采用空间负荷预测,利用帝国主义竞争算法(ICA)找到最优解。结果表明,中型变电站(配电变压器和整流器)的较小尺寸(大量)提供了最佳解决方案。中压变电站的标准尺寸最大为2500 kVA;拟议的规划方法为总成本函数选择了容量最大为315 kVA的变电站,其中包括LV馈线和MV变电站的成本。

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