利用电力电子扰动技术的系统对地电容检测方法

ZHU Ke

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利用电力电子扰动技术的系统对地电容检测方法

更新时间：2025-08-13

- 利用电力电子扰动技术的系统对地电容检测方法
- Automation of Electric Power Systems Vol. 40, Issue 23, Pages: 150-156(2016)
- 作者机构：
  
  电网智能化调度与控制教育部重点实验室(山东大学),山东省,济南市,250061
- 作者简介：
- 基金信息：
- DOI：
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- Published：2016
- 稿件说明：
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ZHU Ke. [J]. Automation of electric power systems, 2016, 40(23): 150-156.
DOI：

ZHU Ke. [J]. Automation of electric power systems, 2016, 40(23): 150-156. DOI：

摘要

准确计算系统对地电容对自调谐消弧线圈的精确补偿至关重要。文中利用投切消弧线圈阻尼电阻的电力电子开关

通过短时控制其导通状态以产生含有丰富频率成分的扰动电压、电流。利用该扰动电压、电流信号并结合基于电力电子扰动技术的谐波阻抗测量方法测量系统对地电容以用于预调式消弧线圈的自调谐。该方法现场可实施性强

对消弧线圈工作状态的影响可忽略不计

仿真分析和模拟实验都验证了其有效性。

Abstract

Accurate calculation of system ground capacitive current is very important for precise compensation for self-tuning petersen-coil. In this paper

the power electronic switch is used to generate disturbed voltage and current containing plenty of frequency components by momentarily controlling its conduction state. The disturbance voltage and current signals are used to measure the ground capacitance in conjunction with the measuring method of harmonic impedance based on power electronic perturbation technique. The method is highly effective

and the impact on the working state of the arc suppression coil can be neglected. Simulation analysis and simulated experiment have proved the effectiveness of the method. This work is supported by Shandong Provincial Natural Science Foundation of China(No. ZR2013EEM026)and Shandong Provincial Key Science and Technology Program of China(No. 2015GGX104010).

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Related Institution

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