基于高频注入的主动式智慧建筑直流系统串联型电弧故障检测方法

王泽鲲; 龚春阳; 包俊; 朱国忠; 王志新

doi:10.19912/j.0254-0096.tynxb.2021-1383

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太阳能学报 ›› 2023, Vol. 44 ›› Issue (4) : 398-406. DOI: 10.19912/j.0254-0096.tynxb.2021-1383

基于高频注入的主动式智慧建筑直流系统串联型电弧故障检测方法

王泽鲲¹, 龚春阳², 包俊³, 朱国忠⁴, 王志新¹

作者信息 +

ACTIVE SERIES ARC FAULT DETECTION METHOD OF INTELLIGENT BUILDINGS DC SYSTEM BASED ON HIGH FREQUENCY INJECTION

Wang Zekun¹, Gong Chunyang², Bao Jun³, Zhu Guozhong⁴, Wang Zhixin¹

Author information +

文章历史 +

摘要

提出一种基于高频注入的主动式智慧建筑直流系统串联型电弧故障检测方法。通过线圈耦合的方式向直流母线注入一定特征的高频电流信号,提取电流输出响应信号特征,再经过小波变换分析电流输出与输入信号特征变化及其稳定性,制定识别电弧故障的判据。基于Matlab/Simulink仿真平台和Cassie电弧模型进行仿真分析,并设计相应的实验验证平台,结果表明所提出的检测方法能准确识别系统串联电弧故障,且能有效降低电力电子等开关器件噪声和不同运行工况等外部条件的影响,鲁棒性较强。

Abstract

This paper proposes an active series arc fault detection method for intelligent buildings DC system, of which a high frequency current is injected into the DC bus through coil coupling to detect the output response of the current signal on the DC bus. Wavelet transform is used to analyze the characteristic changes and stability of current signal output and input. Develop criteria for identifying arc faults. Based on Matlab/Simulink simulation platform, this paper uses the Cassie arc model to build the simulation circuit, and the corresponding experimental platform is built for verification. The simulation and experimental results show that the detection method proposed in this paper can accurately identify series arc faults in low-voltage DC systems, and effectively reduce the noise of switching devices such as power electronics and the influence of external conditions such as different operating conditions, and verify the effectiveness and robustness of the proposed method.

导出引用

王泽鲲, 龚春阳, 包俊, 朱国忠, 王志新. 基于高频注入的主动式智慧建筑直流系统串联型电弧故障检测方法[J]. 太阳能学报. 2023, 44(4): 398-406 https://doi.org/10.19912/j.0254-0096.tynxb.2021-1383

Wang Zekun, Gong Chunyang, Bao Jun, Zhu Guozhong, Wang Zhixin. ACTIVE SERIES ARC FAULT DETECTION METHOD OF INTELLIGENT BUILDINGS DC SYSTEM BASED ON HIGH FREQUENCY INJECTION[J]. Acta Energiae Solaris Sinica. 2023, 44(4): 398-406 https://doi.org/10.19912/j.0254-0096.tynxb.2021-1383

中图分类号： TM62

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