NDLI: Evidence theory-based identification of aging for capacitive voltage transformers

Content Provider	IET Digital Library
Author	Daryani, Narges Seyedi, Heresh
Abstract	In this study, an aging identification approach is proposed for capacitive voltage transformers (CVTs). Aging is an unavoidable phenomenon which emerges and spreads in equipment structure and mainly affects the insulation parts. The aging may affect transformer output in its primary stages. If it grows, it may cause serious damages to the equipment, substation and the staff. Accordingly, it is necessary to diagnose the aging of CVTs in its primary steps in order to implement the required maintenance and repair. The proposed aging identification method is an efficient method which collects data from different sources in digital substations to diagnose aging in CVT structures. Moreover, the possible external disturbances are also taken into account. A modified method is proposed based on the distance between the evidences. In addition, the algorithm is capable to identify the CVTs providing bad data arising from their aging.
Starting Page	3646
Ending Page	3653
Page Count	8
ISSN	17518687
Volume Number	10
e-ISSN	17518695
Issue Number	Issue 14, Nov (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/10/14
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2016.0540
Journal	IET Generation, Transmission & Distribution
Publisher Date	2016-11-04
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Ageing Aging Identification Approach Capacitive Voltage Transformers Digital Substations Equipment Structure Evidence Theory-based Identification Maintenance Maintenance Engineering Plant Engineering, Maintenance And Safety Potential Transformer Repair Substation Substations Transformer And Reactors
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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