| 基于母线差动保护的电子式与电磁式互感器同步应用 |
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| 引用本文： | 梁国坚. 基于母线差动保护的电子式与电磁式互感器同步应用[J]. 电力系统自动化, 2011, 35(3): 97-99 |
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| 作者姓名： | 梁国坚 |
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| 作者单位： | 广东电网公司中山供电局,广东省中山市,528400 |
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| 摘 要： | 变电站数字化建设过程中电磁式互感器仍在使用,文中介绍了数字化变电站改造过程中电磁式互感器接入方案.在母线差动保护的基础上,分析了电子式和电磁式互感器同时接入产生的误差原因,提出通过设置采样数据延时参数消除误差的方法,讨论了2种互感器的数据同步问题,提出了对收发时序控制逻辑的调整,解决了合并单元采样数据同步传输问题.结合...
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| 关 键 词： | 数字化变电站 母线差动保护 电子式互感器 电磁式互感器 数据同步 |
| 收稿时间： | 2010-05-10 |
| 修稿时间： | 2011-01-20 |
Synchronous Application of Electronic and Electromagnetic Transformers for Bus Differential Protection |
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| LIANG Guojian. Synchronous Application of Electronic and Electromagnetic Transformers for Bus Differential Protection[J]. Automation of Electric Power Systems, 2011, 35(3): 97-99 |
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| Authors: | LIANG Guojian |
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| Affiliation: | LIANG Guojian (Zhongshan Power Supply Bureau,Guangdong Power Grid Co.Ltd.,Zhongshan 528400,China) |
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| Abstract: | Usually,electromagnetic transformer is still in use during the digital substation construction.The electromagnetic transformer accessing solution during digital substations modernization is introduced.The causes of errors generation are analyzed when the electronic and electromagnetic transformers simultaneously access for bus differential protection.Through the delaying parameter setting of sampling data,the method to eliminate errors is put forward.Data synchronization between two kinds of transformer is ... |
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| Keywords: | digital substation bus differential protection electronic transformer electromagnetic transformer data synchronization |
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