| 一种氧化锌避雷器泄漏电流测试仪的设计 |
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| 引用本文： | 张静刚,曾光,吴江峰.一种氧化锌避雷器泄漏电流测试仪的设计[J].西安理工大学学报,2006,22(2):215-218. |
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| 作者姓名： | 张静刚 曾光 吴江峰 |
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| 作者单位： | 西安理工大学,自动化与信息工程学院,陕西,西安,710048 |
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| 摘 要： | 针对氧化锌(ZnO)避雷器泄漏电流的测试问题,利用数字型光电隔离传输电路,设计了一种光电传输及频率测量系统。该系统能满足测试仪与主电路间电气隔离的要求,较好地测量避雷器阀片泄漏电流的峰值。同时,在功耗方面采用了锁相环(PLL)电压-频率-窄脉冲变换原理及其微功耗机制。
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| 关 键 词： | 氧化锌避雷器 泄漏电流 脉冲调频 |
| 文章编号： | 1006-4710(2006)02-0215-04 |
| 收稿时间： | 2006-01-17 |
| 修稿时间： | 2006年1月17日 |
Design of Testing Device for Monitoring Leakage Current from Zinc-Oxide Surge Arrester |
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| ZHANG Jing-gang,ZENG Guang,WU Jiang-feng.Design of Testing Device for Monitoring Leakage Current from Zinc-Oxide Surge Arrester[J].Journal of Xi'an University of Technology,2006,22(2):215-218. |
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| Authors: | ZHANG Jing-gang ZENG Guang WU Jiang-feng |
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| Abstract: | Aiming at the testing problem of leakage current from ZnO surge arrester,a kind of photoelectric transmission and frequency measuring system is designed using photoelectric isolation transmission circuit.This system can satisfy the requirement of electrical isolation between testing device and main electric circuit,and also measure the peak value of leakage current from the value sheets of ZnO surge arrester.At the same time,PLL voltage-frequency-narrow pulse transform principle and micro-energy consumption mechanism are adopted in energy consumption. |
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| Keywords: | Zinc-Oxide surge arrester leakage current pulse frequency modulation |
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