| 某电厂空预器控制柜双路电源切换试验过程中空预器跳闸故障及对策 |
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| 引用本文： | 刘清坡,海广星,胡小林,李兴照,宋国锋. 某电厂空预器控制柜双路电源切换试验过程中空预器跳闸故障及对策[J]. 电力建设, 2010, 31(7): 81-86. DOI: 10.3969/j.issn.1000-7229.2010.07.019 |
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| 作者姓名： | 刘清坡 海广星 胡小林 李兴照 宋国锋 |
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| 作者单位： | 河南第一火电建设公司调试所,郑州市,450000;河南第一火电建设公司调试所,郑州市,450000;河南第一火电建设公司调试所,郑州市,450000;河南第一火电建设公司调试所,郑州市,450000;河南第一火电建设公司调试所,郑州市,450000 |
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| 摘 要： | 针对巩义电厂6 号机组空气预热器控制柜双路电源切换试验过程中空气预热器跳闸的现象，从硬接线回路和分散控制系统软逻辑特点2 方面进行了详细的原因分析，并在未更改柜内电气硬回路的情况下，通过完善远方控制组态软逻辑，给出了合理的控制方案，解决了这一故障。
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| 关 键 词： | 空气预热器 跳闸 电源切换试验 SAMA图 硬接线回路 分散控制系统(DCS) |
Air Preheater Trip Problems and Countermeasures in the Process of Air Preheater Control Cabinet Dual Power Switch Testing for a Power Plant |
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| LIU Qing-po,HAI Guang-xing,HU Xiao-lin,LI Xing-zhao,SONG Guo-feng. Air Preheater Trip Problems and Countermeasures in the Process of Air Preheater Control Cabinet Dual Power Switch Testing for a Power Plant[J]. Electric Power Construction, 2010, 31(7): 81-86. DOI: 10.3969/j.issn.1000-7229.2010.07.019 |
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| Authors: | LIU Qing-po HAI Guang-xing HU Xiao-lin LI Xing-zhao SONG Guo-feng |
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| Affiliation: | LIU Qing-po,HAI Guang-xing,HU Xiao-lin,LI Xing-zhao,SONG Guo-feng (Henan No.1 Thermal Power Construction Company Debugging Division,Zhengzhou 450000,China) |
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| Abstract: | An analysis is made,from the perspective of the hard-wired logic circuits and the characteristics of DCS soft logic,on the problems of air preheater trip occurring in the process of testing the air heater control cabinet’s dual power switch for the No.6 Unit of Gongyi Power Plant.Through improvement of the configuration soft logic a reasonable solution is provided for this problem without changing the control hard-wired circuit. |
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| Keywords: | air preheater trip power switch test SAMA diagram hard-wired circuit distributed control system(DCS) |
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