配网故障处理智能化装置探讨
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(西安理工大学,陕西 西安 710048)

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刘翊平(1996—),女,本科,研究方向为电力系统及其自动化。E-mail:xiajibaihe1996@163.com

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Discussion on intelligent device ofpower distribution network fault processing
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(Xi’an University of Science and Technology, Xi’an 710048, China)

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    摘要:

    在城区配电网络中,为了缩小施工停电范围,方便调度,环网柜、分段断路器设置多,且间隔距离小。传统继电保护很难满足选择性要求,采用重合器因多次重合对系统冲击大,亦不太合适。通过分析老装置存在的不足,充分利用传统分布式保护的优点,结合基于集中信息智能馈线自动化原理,提出了一种新的故障处理恢复策略。该方案结合两者的优点,借鉴保护原理,使装置通信量小、开关动作次数少,能有效精确定位故障点,实现最小范围自动隔离故障,解决配网自动化实际应用中可能遇到的一些疑难问题,满足了智能化要求。

    Abstract:

    In urban distribution network, in order to narrow the scope of power construction and be convenient to scheduling, more ring main units and section breakers are set, and the spacing distance is too small. Traditional relay protection is hard to meet the requirement of selectivity; it is also not suitable if using recloser because multiple reclosing will exert big impact on system. This paper puts forward a new fault processing recovery strategy through analyzing the defects in the old device, making full use of the advantages of traditional distributed protection, and combining with feeder automation principles based on centralized information intelligence. The new scheme combines both advantages, and references the device communication to make device communication amount little and switch action times few. It can locate failure point accurately and effectively, achieve automatic isolation fault in minimum range, and solve some complicated problems possibly encountered in the practical application of distribution network automation. The method can meet the requirement of intelligence.

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刘翊平.配网故障处理智能化装置探讨[J].电力系统保护与控制,2017,45(18):163-169.[LIU Yiping. Discussion on intelligent device ofpower distribution network fault processing[J]. Power System Protection and Control,2017,V45(18):163-169]

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  • 收稿日期:2016-08-19
  • 最后修改日期:2016-11-30
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  • 在线发布日期: 2017-09-14
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