Predicting the insulating paper state of the power transformer based on XGBoost/LightGBM models. [PDF]
Sci RepGhoneim SSM, Baz M, Alzaed A, Zewdie YT.
europepmc +1 more source
High Voltage, EarlyView.ABSTRACT Currently, limited research exists on the structural response and protection methods of the converter transformer tank for ± 800 kV ultra‐high voltage direct current transmission project to high energy arc faults. This research investigates the dynamic response and the vulnerable areas of the ultra‐high voltage converter transformer under the ...
Ke Wang +5 more
wiley +1 more source
Eco-Functional Epoxy Composites from Recycled ZnO and Tire Rubber: A Study on Breakdown Voltage Enhancement. [PDF]
Materials (Basel)Dolník B +5 more
europepmc +1 more source
High Voltage, EarlyView.ABSTRACT Structural mechanics field simulation plays a critical role in the vibration characteristic analysis of electrical equipment. Existing structural field analysis of equipment based on numerical simulation faces challenges such as convergence difficulties and prolonged computational time, failing to meet the demand for real‐time prediction of ...
Wanqing Wang +6 more
wiley +1 more source
Research on the Transformer Failure Diagnosis Method Based on Fluorescence Spectroscopy Analysis and SBOA Optimized BPNN. [PDF]
Sensors (Basel)Chen X, Li D, Wang A.
europepmc +1 more source
Study on Impurity Particle Detection in Transformer Oil Based on Microflow Imaging Method
High Voltage, EarlyView.ABSTRACT The concentration of particles in transformer oil has a significant influence on its electrical performance, making oil cleanliness a critical parameter in the operation and maintenance of power transformers. However, the light obstruction (LO) method recommended by current standards has inherent limitations, including low sensitivity to ...
Chen Chen +6 more
wiley +1 more source
U-AttentionFlow: A Multi-Scale Invertible Attention Network for OLTC Anomaly Detection Using Acoustic Signals. [PDF]
Sensors (Basel)Kim D, Hwang H, Kim H.
europepmc +1 more source
High Voltage, EarlyView.ABSTRACT The incorporation of nanocellulose‐doped insulating paper into the material composition of a given structure has been demonstrated to enhance the material’s mechanical properties and retard the development of cracks. However, the effects of different length‐to‐diameter ratios of nanocellulose are different.
Siyu Wang +5 more
wiley +1 more source
HSP-UNet: An Accuracy and Efficient Segmentation Method for Carbon Traces of Surface Discharge in the Oil-Immersed Transformer. [PDF]
Sensors (Basel)Ji H, Liu X, Han P, Liu L, He C.
europepmc +1 more source
Assessment of the Aging State for Transformer Oil-Barrier Insulation by Raman Spectroscopy and Optimized Support Vector Machine. [PDF]
Sensors (Basel)Liu D +8 more
europepmc +1 more source