| 高压绝缘子污秽泄漏电流采集装置的设计与实现 |
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| 引用本文： | 周兴韬,王玮,倪平浩,迟作为,姜复亮.高压绝缘子污秽泄漏电流采集装置的设计与实现[J].电力系统保护与控制,2010,38(6):100-103,114. |
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| 作者姓名： | 周兴韬 王玮 倪平浩 迟作为 姜复亮 |
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| 作者单位： | 1.北京交通大学电气工程学院，北京 100044;2.吉林供电公司，吉林 吉林 132001 |
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| 摘 要： | 研制了一种高压输电线路绝缘子泄漏电流在线监测装置，装置通过由高速运算放大器构成的电流电压转换电路，可获得准确的工频泄露电流值和高频电流脉冲次数，避免了脉冲信号频率频带宽、电流范围大给电流传感器制作带来的困难。绝对值电路的应用优化了电路设计，增大了泄漏电流的测量范围。分析了监测装置的测量误差，提出了提高精度的方法，测试结果表明装置具有较好的测量精度和良好的运行性能。
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| 关 键 词： | 污秽绝缘子 泄漏电流 误差分析 性能测试 |
Design and implementation of a device for acquiring leakage current on polluted high voltage insulator |
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| ZHOU Xing-tao,WANG Wei,NI Ping-hao,CHI Zuo-wei,JIANG Fu-liang.Design and implementation of a device for acquiring leakage current on polluted high voltage insulator[J].Power System Protection and Control,2010,38(6):100-103,114. |
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| Authors: | ZHOU Xing-tao WANG Wei NI Ping-hao CHI Zuo-wei JIANG Fu-liang |
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| Affiliation: | 1.School of Electrical Engineering;Beijing Jiaotong University;Beijing 100044;China;2.Jilin Power Supply Corporation;Jilin 132001;China |
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| Abstract: | A device for acquiring leakage current on high voltage insulator is designed and implemented in this paper.With the application of current-voltage conversion circuit composed by high-speed operational amplifiers,the times of high-frequency current pulse and the virtual value of the leakage current are gathered and the difficulties caused by making current sensor of broad pass-bandwidth and wide current range can be avoided.B y using an absolute circuit,the design of circuit is optimized and the range of lea... |
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| Keywords: | polluted insulator leakage current error analysis capability test |
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