- Title
- The application of sweep frequency response analysis for the online monitoring of power transformers
- Creator
- Rahimpour, Hossein; Mitchell, Steve; Tusek, Joe
- Relation
- Australasian Universities Power Engineering Conference (AUPEC2016). Proceedings of the Australasian Universities Power Engineering Conference (AUPEC2016) (Brisbane, Qld. 25-28 September, 2016)
- Publisher Link
- http://dx.doi.org/10.1109/AUPEC.2016.7749347
- Publisher
- Institute of Electrical and Electronics Engineers (IEEE)
- Resource Type
- conference paper
- Date
- 2016
- Description
- Frequency response analysis (FRA) is a technique used to diagnose the mechanical integrity of a transformer winding; such diagnostic tools can be of enormous value since power transformers are a critical asset within any electrical network. To minimize the probability of an unexpected outage, or prevent a catastrophic failure, maintenance and monitoring of power transformers is essential for utilities. Over the past couple of decades, FRA has been utilized as an off-line diagnosis method. However, with the recent development in smart grid systems, there is now a growing interest in the development of on-line FRA techniques. This paper proposes a technique for inservice monitoring of power transformer winding deformation, which uses a broad frequency sine wave voltage excitation signal and high frequency Current Transformers (CT) in conjunction with the bushings test taps. Experiments using this system were conducted and then validated on a single-phase 22kV/110V voltage transformer.
- Subject
- frequency response; power transformers; transformer diagnosis; online monitoring; bushing tap injection
- Identifier
- http://hdl.handle.net/1959.13/1320715
- Identifier
- uon:24203
- Rights
- (c) 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
- Language
- eng
- Full Text
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