Results 11 to 20 of about 4,160 (293)
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
doaj +8 more sources
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
doaj +3 more sources
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
doaj +4 more sources
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
doaj +4 more sources
Methodology to locate and quantify radial winding deformation in power transformers
High Voltage, 2017 Frequency response analysis (FRA) is a tool that can be used to detect changes within the structural geometry of a transformer. One application of FRA is to detect winding displacement after the transformer experiences an overcurrent event.
Steven D. Mitchell, James S. Welsh
doaj +4 more sources
IEEE Access, 2019 Frequency response analysis (FRA) has been widely accepted as a diagnostic tool for power transformer winding deformation faults. Typically, both amplitude-frequency and phase-frequency signatures are obtained by an FRA analyzer.
Zhongyong Zhao +5 more
doaj +5 more sources
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
doaj +3 more sources
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
doaj +2 more sources
Air Core Transformer Winding Disk Deformation: A Precise Study on Mutual Inductance Variation and Its Influence on Frequency Response Spectrum [PDF]
IEEE Access, 2018 It is well-known that the deformation of transformer winding can produce detectable changes to the frequency response spectrum compared with a referenced past measurement.
Mehdi Bagheri +3 more
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Accumulation of Deformation in the Winding Circuit [PDF]
KnE Engineering, 2019 .
Loginov, Y. N., Khamatov, D. D.
openaire +4 more sources