铁路客运站房低压配电设计特点及解决方案

Design Features and Solution for Low-voltage Power Distribution of Railway Passenger Station

针对铁路客运站房项目低压配电距离长、配合环节多等特点,通过对配电线路电压降校验、热稳定校验及接地故障保护计算方法的分析,给出满足电压降、接地故障保护最大半径的计算结果图表及换算方法。并对铁路站房低压断路器的选择和整定进行论述。

Calculation result table and conversion method are presented to satisfy maximum radius of voltage-drop and grounding fault protection through voltage-drop verification and thermal stability verification of distribution line, analysis of calculation method of grounding fault protection on the basis of such characteristics as long distance of low-voltage power distribution and a number of coordination links, etc. of railway passenger station projects. Selection and setting of low-voltage circuit breaker for railway passenger station are also discussed.