| 输电线纵联差动保护的通信通道安全保障 |
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| 引用本文： | 宋剑白,勾畅.输电线纵联差动保护的通信通道安全保障[J].黑龙江电力,2007,29(3):169-171,173. |
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| 作者姓名： | 宋剑白 勾畅 |
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| 作者单位： | 大庆电业局,黑龙江,大庆,163454;大庆电业局,黑龙江,大庆,163454 |
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| 摘 要： | 近年来输电线路纵联差动保护在电力系统中得到了大规模应用,通信通道是该保护系统的重要基础,信号的传输质量主要取决于通道是否能够安全可靠运行,结合生产实际对保护的通信通道安全保障问题进行探讨.
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| 关 键 词： | 输电线纵联差动保护 E1通道 通道保护 通道自动选择 |
| 文章编号： | 1002-1663（2007）03-0169-03 |
| 修稿时间： | 2007-04-27 |
Communication channel security of longitudinal differential protection of transmission line |
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| SONG Jianbai,GOU Chang.Communication channel security of longitudinal differential protection of transmission line[J].Heilongjiang Electric Power,2007,29(3):169-171,173. |
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| Authors: | SONG Jianbai GOU Chang |
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| Affiliation: | Daqing Electric Power Bureau, Daqing 163454, China |
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| Abstract: | Longitudinal differential protection of transmission line has been greatly used in electric power system these years, the communication channel is vital foundation in the protection system, and the transmission quality of signal mainly depends on whether the channel is in safe condition or not, the paper discussed the security problems of communication channel of protection system according to actual situation and accumulated experiences. |
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| Keywords: | longitudinal differential protection of transmission line E1 channel channel protection self- selection of channel |
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