Affiliation:
1. College of Electrical Engineering and New Energy, China Three Gorges University, Yichang 443002, China
Abstract
Background:
Winding deformation is one of the most common faults in power transformers,
which seriously threatens the safe operation of transformers. In order to discover the hidden
trouble of transformer in time, it is of great significance to actively carry out the research of
transformer winding deformation detection technology.
Methods:
In this paper, several methods of winding deformation detection with on-line detection
prospects are summarized. The principles and characteristics of each method are analyzed, and the
advantages and disadvantages of each method as well as the future research directions are expounded.
Finally, aiming at the existing problems, the development direction of detection method
for winding deformation in the future is prospected.
Results:
The on-line frequency response analysis method is still immature, and the vibration detection
method is still in the theoretical research stage.
Conclusion:
The ΔV − I1 locus method provides a new direction for on-line detection of transformer
winding deformation faults, which has certain application prospects and practical engineering
value.
Publisher
Bentham Science Publishers Ltd.
Subject
Electrical and Electronic Engineering,Electronic, Optical and Magnetic Materials
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