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Transformer Winding Deformation Detection Based on BOTDR and ROTDR [PDF]
Sensors, 2020 In order to realize distributed measurement of transformer winding temperature and deformation, a transformer winding modification scheme with a built-in distributed optical fiber was designed.
Shuguo Gao +6 more
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Research on On-Line Detection Method of Transformer Winding Deformation Based on VFTO [PDF]
Sensors, 2021 At present, the detection of transformer winding deformation faults is carried out in an offline state, which requires the transformer to cooperate with the implementation of planned power outages, or it takes place after the sudden failure of the ...
Yanyun Wang +7 more
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Transformer's frequency response analysis results interpretation using a novel cross entropy based methodology [PDF]
Scientific Reports, 2023 Transformer defects can be identified by the FRA (frequency response analysis) that is a promising diagnostic technique. Despite the standardization in FRA measuring technique, its results interpretation is yet a research area.
Chander Parkash, Ali Reza Abbasi
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Distributed Vibration Monitoring System for 10 kV-400 kVA 3D Wound Core Transformer under Progressive Short-Circuit Impulses [PDF]
SensorsAs large-scale, high-proportion, and efficient distribution transformers surge into the grids, anti-short circuit capability testing of transformer windings in efficient distribution seems necessary and prominent.
Jiagui Tao +4 more
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Energy Reports, 2023 Transformer winding deformation threatens the power system’s safe and stable operation, and early detection of transformer winding deformation can reduce economic losses.
Yan Zhou +6 more
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Research on Online Detection Method of Transformer Winding Deformation Based on VFTO Characteristics
Energies, 2023 At present, most of the winding fault detections of transformers use offline methods, which require the entire line to be powered off or after the transformer has been shut down due to a serious fault, and they cannot detect the running status of the ...
Xinghua Shi, Ran Wei, Wenbin Zhang
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Analysis of Transformer Winding Deformation and Its Locations With High Probability of Occurrence
IEEE Access, 2023 Power transformer, as a crucial equipment for power transmission, frequently suffers winding deformation defects, owing to the impact of huge external short-circuit current in actual operation.
Hujun Shang +4 more
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IEEE Access, 2022 Winding deformation caused by short-circuit is one of the main causes of transformer damage. Even if the transformer successfully withstands one short-circuit impact, accumulative effect of multiple short-circuit impacts will cause sudden permanent ...
Shuguo Gao +5 more
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Energies, 2020 Frequency response analysis is widely used to diagnose transformer winding deformation faults due to its high sensitivity, strong anti-interference capability, and equipment portability, but the results of frequency response analysis can be affected by ...
Qian Wu +7 more
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Energies, 2023 The analysis of the dynamic process of winding destabilization under sudden short-circuit conditions is of great importance to accurately assess the short-circuit resistance of power transformers. Based on magneto-solid coupling, an axisymmetric model of
Jiawei Wang +4 more
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