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.
Yunpeng Liu, Xiaozhou Fan
exaly +8 more sources
Analysis of Transformer Winding Deformation and Its Locations With High Probability of Occurrence [PDF]
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, Xi Ouyang, Quan Zhou
exaly +4 more sources
Research on Online Detection Method of Transformer Winding Deformation Based on VFTO Characteristics [PDF]
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 ...
Wenbin Zhang
exaly +4 more sources
Diagnosing Transformer Winding Deformation Faults Based on the Analysis of Binary Image Obtained From FRA Signature [PDF]
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 +2 more
exaly +4 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 +2 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, Jian Du, Zhigang Liao
exaly +3 more sources
Influence of Non‐Uniform Temperature Distribution on Elastoplastic Deformation of Windings [PDF]
IET Electric Power ApplicationsTo accurately analyse the deformation of transformer windings under short‐circuit conditions, a three‐dimensional multiphysics field simulation model of the magnetic‐fluid‐thermal‐structural coupling is constructed.
Jiajun Kou +6 more
doaj +2 more sources
Research on Deformation Fault Diagnosis of Transformer Windings Based on a Highly Sensitive Multimodal Feature System [PDF]
EnergiesThe current mainstream methods for online detection of transformers all have shortcomings such as low sensitivity and susceptibility to interference from the testing environment.
Guochao Qian +10 more
doaj +2 more sources
Numerical Investigations for Vibration and Deformation of Power Transformer Windings under Short-Circuit Condition [PDF]
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
doaj +2 more sources
Accumulation of Deformation in the Winding Circuit
KnE Engineering, 2019 .
Yu. N. Loginov, D. D. Khamatov
openalex +4 more sources