Research on condition-based maintenance in relay protection

被引：2

作者：

Ye Yuanbo ^{[1
]}

Xie Min ^{[1
]}

Huang Taigui ^{[1
]}

Wang Wei ^{[2
]}

Chen Xiaodong ^{[3
]}

机构：

[1] Anhui Elect Power Co, Anhui Elect Power Dispatching Control Ctr State G, Hefei, Anhui, Peoples R China

[2] Anhui Elect Power Co, Anhui Procurement Co State Grid, Hefei, Anhui, Peoples R China

[3] Anhui Elect Power Co, Anhui Xuancheng Power Supply Co State Grid, Xuancheng, Peoples R China

来源：

2017 4TH INTERNATIONAL CONFERENCE ON INFORMATION SCIENCE AND CONTROL ENGINEERING (ICISCE) | 2017年

关键词：

relay protection; secondary circuit; condition-based maintenance; state detection; on-line state detection;

D O I：

10.1109/ICISCE.2017.339

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The paper analyzes the critical technology of condition based maintenance in relay protection, and especially pays more attention to the on-line state maintenance of secondary circuits, including AC analog circuit, switch input circuit and breaker operating circuit. Firstly, the paper uses a comparative method to effectively monitor the AC analog circuit. No matter how relay protection devices are configured, any AC analog circuit of the relay protection devices can be paired by other suitable AC analog circuits. Next the paper presents a new way to perform the state detection function with several types of switch input of the secondary circuit and micro-computer protection device, and use additional measuring or state detecting devices to strengthen state detecting of switch input secondary circuit. Finally, the on-line state detection method of breaker operating circuit and tripping contacts is also discussed in the paper.

引用

页码：1627 / 1631

页数：5

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