| 220 kV变电站主变后备保护与10 kV侧出线保护配合问题的探讨 |
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| 引用本文： | 赵敏,王素华.220 kV变电站主变后备保护与10 kV侧出线保护配合问题的探讨[J].电力系统保护与控制,2009,37(7):95-97. |
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| 作者姓名： | 赵敏 王素华 |
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| 作者单位： | 1.辽宁省沈阳职业技术学院,辽宁 沈阳 110045;2.河南省电力公司商丘供电公司,河南 商丘 476000 |
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| 摘 要： | 随着220 kV变电站的主变压器容量越来越大，保证供电可靠性和设备的安全，是继电保护的重要任务。10 kV系统电压低，线路保护配置简单，但是整定配合难度却很大。结合实践经验，针对出线保护与主变后备保护配合上存在的问题及特点，从主变压器后备保护整定方案入手，探讨整定参数的选择，提出了解决问题的方案和经验数据，供同行参考。
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| 关 键 词： | 后备保护 整定 方案 新思路 |
Discussion on coordination of 220 kV substation main transformer back-up protection and the protection of 10 kV side |
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| ZHAO Min,WANG Su-hua.Discussion on coordination of 220 kV substation main transformer back-up protection and the protection of 10 kV side[J].Power System Protection and Control,2009,37(7):95-97. |
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| Authors: | ZHAO Min WANG Su-hua |
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| Affiliation: | 1.Liaoning Shenyang Vocational and Technical Institute;Shenyang110045;China;2.Shangqiu Electric Power Company;Shangqiu476000;China |
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| Abstract: | With the 220kV substation main transformer capacity becoming more and more large,it is an important task to ensure supply reliability and equipment safety of relay protection.10kV system voltage is low,line protection configuration easy,but the setting difficulty is great.Combined with practical experience,this paper introduces the coordination of protection and main transformer backup protection.It studies the main transformer protection setting program and puts forward solutions to the problem for peer re... |
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| Keywords: | back-up protection program setting scheme new ideas |
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