| 换流阀冷却水系统在线化学仪表误差分析 |
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| 引用本文： | 杨,传.换流阀冷却水系统在线化学仪表误差分析[J].防灾减灾工程学报,2015(4):35-39. |
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| 作者姓名： | 杨 传 |
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| 作者单位： | 国网宁夏电力公司电力科学研究院, 宁夏 银川 750011 |
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| 摘 要： | 针对±660 kV 换流站换流阀在线化学仪表误差问题,对在线 pH 表、电导率表、溶解氧表的测量原理进行分析,找出影响在线化学仪表准确性的主要误差来源,提出消除或减小误差的改进措施。应用结果表明:改进措施提高了在线化学仪表的准确性,保证了冷却水水质的真实值控制在合格的范围内。
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| 关 键 词： | 换流阀冷却水 水质监测 在线仪表 误差分析 |
Error analysis on on-line chemical instrument for cooling water system of converter valve |
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| YANG Zhuan.Error analysis on on-line chemical instrument for cooling water system of converter valve[J].Journal of Disaster Prevent and Mitigation Eng,2015(4):35-39. |
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| Authors: | YANG Zhuan |
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| Institution: | Power Research Institute of State Grid Ningxia Power Co ,Yinchuan Ningxia, 750011 ,China |
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| Abstract: | Aiming at the error problem of on-line chemical instrument of converter valve in ±660kV converter station,analyzes the measurement principle of on -line pH analyzer,conductivityanalyzer and dissolved oxygen analyzer,finds out the main error source influencing the accuracy ofon-line chemical instrument,puts forward the improvement measure for reducing or eliminating theerror. The application result shows that the improvement measure promotes the accuracy of on-linechemical instrument,ensures the qualified true value of cooling water. |
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