[1]刘春来,周涛涛,马宏明,等.基于力矩与转角检测的GW4-126型隔离开关典型机械故障诊断[J].高压电器,2020,56(02):232-239.[doi:10.13296/j.1001-1609.hva.2020.02.035]
 LIU Chunlai,ZHOU Taotao,MA Hongming,et al.Typical Mechanical Fault Diagnosis of GW4-126 Disconnector Based on Torque and Angle Detection[J].High Voltage Apparatus,2020,56(02):232-239.[doi:10.13296/j.1001-1609.hva.2020.02.035]
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基于力矩与转角检测的GW4-126型隔离开关典型机械故障诊断()
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《高压电器》[ISSN:1001-1609/CN:61-11271/TM]

卷:
第56卷
期数:
2020年02期
页码:
232-239
栏目:
经验交流
出版日期:
2020-02-14

文章信息/Info

Title:
Typical Mechanical Fault Diagnosis of GW4-126 Disconnector Based on Torque and Angle Detection
作者:
刘春来1 周涛涛2 马宏明1 张汉城2 邱志斌3 黄聿琛4
(1. 云南电网有限责任公司电力科学研究院, 昆明 650217; 2.武汉大学电气工程与自动化学院, 武汉 430072; 3. 南昌大学信息工程学院, 南昌 330038; 4. 国网武汉供电公司检修分公司, 武汉 430051)
Author(s):
LIU Chunlai1 ZHOU Taotao2 MA Hongming1 ZHANG Hancheng2 QIU Zhibin3 HUANG Yuchen4
(1. Electric Power Research Institute, Yunnan Power Grid Co., Ltd., Kunming 650217, China; 2. School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China; 3. School of Information Engineering, Nanchang University, Nanchang 330038, China; 4. State Grid Wuhan Power Company Maintenance Branch, Wuhan 430051, China)
关键词:
隔离开关 机械故障 操作力矩 转角 故障诊断
Keywords:
disconnetcor mechanical fault operating torque rotation angle fault diagnosis
DOI:
10.13296/j.1001-1609.hva.2020.02.035
摘要:
高压隔离开关是电力系统中一种重要的电力设备,而目前针对高压隔离开关机械故障的检测与诊断,尚无行之有效的检测诊断技术,为此文中开展隔离开关机械故障检测诊断技术研究。文中以某GW4-126型隔离开关为试验研究对象,在不破坏改变隔离开关原有轴系基础上提出一种隔离开关操作力矩与转角检测技术,测得隔离开关处于正常状态、轴承卡涩、三相不同期、合闸不到位等典型机械状态的操作力矩—转角曲线,对比分析得出隔离开关机械状态改变时其对应的操作力矩—转角曲线会发生相应的改变,由此提出基于操作力矩—转角曲线的纵向比较法与横向比较法来判断隔离开关机械状态,为隔离开关的机械故障检测与诊断提供参考,以及时发现隔离开关机械故障隐患,防止事故扩大造成更大的损失。
Abstract:
An operating torque and rotation angle detecting technology for GW4-126 disconnector is put forward without needing to damage its original shaft system. The operating torque versus rotation angle curves are measured in typical mechanical states of the disconnector, such as normal state, jam of bearing, asynchronous action of three phases, and insufficient closing. It is concluded that the torque-angle curves will change with the mechanical state of the disconnector. On this basis, a longitudinal comparison method and a lateral comparison method based on the torque-angle curve are proposed to judge the mechanical state of the disconnector. Both methods can be applied to detection and diagnosis of the mechanical faults of the disconnector.

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备注/Memo

备注/Memo:
收稿日期:2019-09-27; 修回日期:2019-11-14基金项目:湖北省自然科学基金(2018CFB145);云南电网有限责任公司电力科学研究院科技项目([2016]000303GY00013)。Project Supported by Natural Science Foundation of Habei Province(2018CFB145),the Research Program of Yunnan Power Grid Company Limited ([2016]000303GY00013).刘春来(1976—),男,工程师,主要从事变电一次设备状态评价及管理工作。周涛涛(1990—),男,博士,研究方向为高压设备状态评估。马宏明(1987—),男,硕士,高级工程师,研究方向为高压开关设备状态评价。张汉城(1995—),男,硕士,研究方向为高压设备状态评估。邱志斌(1991—),男,博士(后),校聘教授,主要从事空气绝缘预测、输变电设备外绝缘及电磁场数值计算。黄聿琛(1989—),男,硕士,工程师,主要从事继电保护工作。
更新日期/Last Update: 2020-02-14