| MOA新在线检测系统及其仿真研究 |
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| 引用本文： | 王雪,莫娟,张冠军,严璋.MOA新在线检测系统及其仿真研究[J].高电压技术,2003,29(7):37-39. |
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| 作者姓名： | 王雪 莫娟 张冠军 严璋 |
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| 作者单位： | 1. 西安交通大学电气工程学院,西安,710049
2. 西安交通大学电气工程学院,西安,710049;特变电工博士后工作站,昌吉,831100 |
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| 摘 要： | 提出了一套有望提高MOA故障判断准确度的在线检测系统。系统通过传感器测取每相MOA的泄漏电流并计算出三相MOA的接地电流,综合利用基波阻性电流法、零序电流法以及电流3次谐波法综合诊断MOA运行状况,以DSP作为整套系统的数据处理核心,实现系统工作参数的现场设定、诊断结果的现场显示以及数据的后台管理。
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| 关 键 词： | 在线检测 基波阻性电流 零序 3次谐波电流 |
| 修稿时间： | 2003年4月25日 |
A New On-line Detecting System of MOA and Its Simulation |
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| Wang Xue et al.A New On-line Detecting System of MOA and Its Simulation[J].High Voltage Engineering,2003,29(7):37-39. |
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| Authors: | Wang Xue |
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| Affiliation: | Wang Xue et al |
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| Abstract: | A new system for on-line detection of MOA is presented. By detecting the leakage current of each phase to acquire the three-phase grounding current, based on the radical resistive current, zero order current and third order harmonic current, the operating condition of MOA can be diagnosed synthetically. The DSP device is employed as the data processing unit, for realizing the on-site configuration of operating parameters, on-site display of diagnostic results and background management of on-line data. The new system can be expected to improve the fault diagnosis sensitivity of MOA greatly. |
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| Keywords: | on-line detecting fundamental resistive cur- rent zero-sequence triple-frequency harmonic current |
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