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地铁车站变电所配电变压器容量计算的研究


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[摘    要] 地铁车站低压用电负荷多,负荷类别复杂,在计算用电容量时要综合考虑负荷的同时系数和需要系数。根据车站变压器的运行方式,结合动照专业的低压负荷需求,对数据分析计算,合理确定用电负荷大小,选择合理容量的变压器。

[关键词]动力照明;低压负荷;变压器容量;需要系数

[中图分类号]TM421 [文献标志码]A [文章编号]2095–6487(2021)01–0–02

Research on Capacity Calculation of Distribution

Transformer in Substation of Metro Station

Yu Ping,Li Zheng-guo,Yan Li-na

[Abstract]There are many low-voltage power loads in metro stations, and the load categories are complex. The simultaneous coefficient and demand factor of load should be considered comprehensively when calculating the power consumption capacity. According to the operation mode of station transformer, combined with the low-voltage load demand of dynamic lighting specialty, the data is analyzed and calculated to reasonably determine the power load and select the transformer with reasonable capacity.

[Keywords]power lighting; low voltage load; transformer capacity; demand factor

1 配電变压器容量的选择原则

针对地铁低压用电负荷的特殊性,目前国内一些机构或设计院对其特性进行了研究,但是因为未能做到统一标准,因而得不到很好的应用。(剩余3080字)

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