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| 摘要: |
| 介绍了水电站10 kV母线段的备用电源自动投入的设计过程和经验。对运行方式进行了全面分析,整理了相应的断路器的逻辑关系表。在此基础上,用可编程逻辑控制器(PLC)软件编程切换备用电源的方法,实现了备用电源的合理自动切换。同时采用硬件闭锁断路器的方法,防止了可能出现的误动。实际运行证明了设计的可靠性。 |
| 关键词: 水电站,备用电源自动投入,运行方式,PLC |
| DOI： |
| 分类号:TM622 |
| 基金项目: |
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| Automatic 10 kV bus changeover in hydro-power station |
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LIU Lifang YIN Li
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| Abstract: |
| The design and experience of automatic 10 kV bus changeover in hydro-power station is introduced.All operating modes are analyzed and the corresponding logic table of circuit breakers is set.The automatic standby power changeover is implemented with PLC.The hardware interlock of circuit breakers is used to prevent possible misoperations.Practice proves the design is reliable. |
| Key words: hydro-power station,automatic power changeover,operating mode,PLC |
