摘要
针对地铁车站配电变压器容量选择过大的问题,对地铁车站用电设备工况进行论述,同时对影响配电变压器经济容量选择的主要因素进行详细分析。结合典型地铁车站的负荷计算结果,应用现值成本法,对地铁车站采取不同容量配电变压器时的总费用进行计算;并在此基础上,提出地铁车站配电变压器经济容量的选择方法。
In view of the problem that the distribution transformers selected for subway stations were usually oversized, authors of the paper investigated the working conditions of all equipment commissioned in subway stations and analyzed main factors affecting the selection of economic capacity of transformers in detail. Based on the calculated results of general loads for a typical station, the present value method was adopted to calculate the overall cost of different capacity distribution transformers in the subway station. And on this basis, a method for selecting economic capacity of distribution transformers for subway stations is put forward.
出处
《都市快轨交通》
2009年第1期85-87,95,共4页
Urban Rapid Rail Transit
关键词
配电变压器
经济容量
最佳自然负载系数
现值成本法
distribution transformer
economic capacity
optimal loading rate
present value method
