| 引用本文: | 王军芬,刘培跃,康 怡,杜海莲.配电网单相接地故障判别的多重算法研究与DSP实现[J].电力系统保护与控制,2007,35(12):5-9.[点击复制] |
| WANG Jun-fen,LIU Pei-yue,KANG Yi,DU Hai-lian.Research and realization based on DSP of multiple algorithm of selection on single-phase to ground fault line in distribution network[J].Power System Protection and Control,2007,35(12):5-9[点击复制] |
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| 摘要: |
| 配电网发生最多的故障是接地故障，如何准确地检测并隔离接地故障线路，成为中性点非有效接地系统实现配电网自动化的一个重要研究课题。传统的选线方法只对部分故障信息进行处理，选线可靠性不高。本文把模糊理论应用于故障选线，实现多判据信息融合，使选线性能得到提高。给出整个融合算法的DSP软硬件实现，并通过高压动模实验故障数据验证了文中方法的正确性和可行性。 |
| 关键词: 配电网 故障选线 隶属函数 数字信号处理器 |
| DOI：10.7667/j.issn.1674-3415.2007.12.002 |
| 投稿时间：2006-06-29修订日期：2007-05-17 |
| 基金项目:石家庄经济学院科研基金资助(200608) |
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| Research and realization based on DSP of multiple algorithm of selection on single-phase to ground fault line in distribution network |
| WANG Jun-fen1,LIU Pei-yue2,KANG Yi3,DU Hai-lian4 |
| (1. Department of Information Engineering, Shijiazhuang University of Ecomomics , Shijiazhuang 050031，China;2. Department of Electromechanics Engineering , Shijiazhuang Vocational Technology Institue, Shijiazhuang 050081，China;3.Department of Electronic and Communication Engineering , North China Electric Power University, Baoding 071003,China;4. Department of electronics, Hebei Normal university, Shi jiazhuang 050031，China) |
| Abstract: |
| How to detect and isolate earth-faulty section is an important subject to realize distribution automation in ineffectively grounded systems. Traditional single fault-detection method using only some parts of fault information has poor reliability. Fuzzy sets theory is introduced and applied in fault line detection to make the fusion of multi-fault information, and therefore improves the detecting performance greatly. The realization of software and hardware for the fusion strategy is also introduced. Dynamic mould laboratory emulation results show that the fusion strategy exhibits excellent property over the existing criteria. |
| Key words: distribution system detection earth-fault membership function DSP |
