| 配电站变压器经济运行方式的实现研究 |
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| 引用本文： | 张伟,江秀臣,陆如.配电站变压器经济运行方式的实现研究[J].供用电,2010,27(6):69-71,83. |
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| 作者姓名： | 张伟 江秀臣 陆如 |
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| 作者单位： | [1]上海交通大学电气工程系,上海200240 [2]上海市电力公司技术与发展中心,上海200025 |
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| 摘 要： | 10 kV配电站在适当的低负荷时段采用单变压器运行、低压侧母线互联的运行方式可有效减少配电变压器损耗。分析了配电站采用这一经济运行方式时负荷切换点的选择原则,提出了进行低压侧备用电源自动切换的原理和方法,并基于SEL-351系列继电器设计了该电源自动切换的实现方案。
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| 关 键 词： | 配电站 备用电源自动切换 供电可靠性 |
Implementation Research on the Economic Operation Mode of Distribution Transformer |
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| ZHANG Wei,JIANG Xiuchen,LU Ru.Implementation Research on the Economic Operation Mode of Distribution Transformer[J].Distribution & Utilization,2010,27(6):69-71,83. |
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| Authors: | ZHANG Wei JIANG Xiuchen LU Ru |
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| Affiliation: | 1.Dept.of Electrical Engineering,Shanghai Jiao Tong University,Shanghai 200240,Shanghai China;2.Technology and Development Center,SMEPC,Shanghai 200025,Shanghai China) |
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| Abstract: | In the proper low load period of 10 kV distribution substation,it will effectively reduce the loss of distribution transformer in the operation mode of single transformer and interconnection of low-voltage bus-bar.The selection principle of the load switching points in the economic operation mode of substation is analyzed,the theory and methods of bus-bar automatic transfer switch of low-voltage sides are submitted.The practical scheme of bus-bar automatic transfer switch with the relays of SEL-351 series is also designed. |
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| Keywords: | distribution substation bus-bar automatic transfer switch power supply reliability |
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