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On-line and on-site PD monitoring and diagnosis of power transformer

  • Xi'an Jiaotong University
  • Ltd.

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

Assessing the insulation condition of high-voltage transformers is essential for repairing and maintaining based on condition of equipment. For the instant diagnostic examination of PD with oil-paper insulated transformers, basically physical method directly related to PD is currently used electric signals. Based on advanced sensor technology, PD detectors with enhanced options for discriminating disturbances were carried out on-site and on-line. PD values condition changes of the insulation system can early be identified and evaluated with simple trending. Consequently, PD monitoring and diagnosis systems allow conditioned based maintenance strategies, serve asset appraisements and permit continuous risk assessment. The reliability and safety of the HV equipment and the system operation of the power network can be increased. The application of on-line and on site PD diagnosis of power transformers in service is a powerful tool to detect defects in the coil insulation. The approach with long term monitoring with remote access through substation communications or the web is important for the lifetime management of ageing transformers The techniques are described, together with cased studies of their application on the engineering practice field.

Original languageEnglish
Title of host publicationProceedings of 2012 IEEE International Conference on Condition Monitoring and Diagnosis, CMD 2012
Pages293-296
Number of pages4
DOIs
StatePublished - 2012
Externally publishedYes
Event2012 IEEE International Conference on Condition Monitoring and Diagnosis, CMD 2012 - Bali, Indonesia
Duration: 23 Sep 201227 Sep 2012

Publication series

NameProceedings of 2012 IEEE International Conference on Condition Monitoring and Diagnosis, CMD 2012

Conference

Conference2012 IEEE International Conference on Condition Monitoring and Diagnosis, CMD 2012
Country/TerritoryIndonesia
CityBali
Period23/09/1227/09/12

Keywords

  • on site
  • online
  • partial discharge
  • transformer

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