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Vol. 153, No. 6, June 2013, pp. 60-68

 

Bullet

 

A Research on the Construction of Remote Fault Diagnosis System Based on Sensor Network
and Video Conference Technology for Transformation Equipment
 
1,2 Junbin Liang, 1 Yurong Deng, 1 Kairen Xu

1 Guangxi Power Grid Electric Power Research Institute, Nanning 530023, China

2 School of Computer and Electronic Information, Guangxi University, Nanning 530004, China

1 Tel.: +86-18275717466, fax:+86-771-5697230 1 E-mail: liangjb2002@163.com

 

Received: 19 April 2013   /Accepted: 14 June 2013   /Published: 25 June 2013

Digital Sensors and Sensor Sysstems

 

Abstract: Transformation equipment conditional monitoring technology is the key technology of intelligent substation construction, and it is also one of the core content of intelligent substation construction. Guangxi power grid has constructed a sensor network based variable and integrated electrical equipment on-line monitoring and evaluation platform. In the platform, through the equipment fault diagnosis and risk assessment, management personnel can perform equipment unit integrated state analysis and diagnosis. By this way, failure of equipment can be forecasted and fixed. However, since the reasons of equipment faults are complexity and are caused by diverse facets, some complex faults are difficult to be accurately diagnosed with information system only. Therefore, it earnestly requires the support of external human experts. External experts are living in different places of our country and even around the world, they have high professional knowledge and academic authority in the field of equipment running and management. For the actual need of Guangxi power grid, we developed a remote fault diagnosis system for transformation equipment in Guangxi Power Grid. In the system, experts can access Guangxi power grid's information of fault equipment quickly and conveniently. Moreover, the experts can keep close communication with Guangxi power grid's equipment management personnel. The system is in accordance with the advanced, practical, safe, reliable and extensible telecommunications standard for system planning and design. By running the system in Guangxi power grid for nearly a year, the performance of the system is proved to be good and the operation effect is good too. The system effectively improves the level of substation's equipment management and the efficiency of fault treatment.

 

Keywords: Remote fault diagnosis, Transformation equipment, Conditional monitoring, Sensor network, Video conference.

 

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