Results 201 to 210 of about 420 (253)

Transparent Perovskite Light‐Emitting Diodes with Conductive Oxide Top Electrodes

Advanced Materials, EarlyView.
Transparent perovskite light‐emitting diodes (TrPeLEDs) enable simultaneous display and transparency, expanding application possibilities. Using a metal oxide buffer layer and pulsed laser deposition, TrPeLEDs with diverse compositions and architectures are demonstrated.
Michele Forzatti, Sergio Martínez‐Saiz, Morena Cervino, Edoardo Stanzani, Sandra Jenatsch, Qingsen Zeng, Joo Sung Kim, Dong‐Hyeok Kim, Eojin Yoon, Tae‐Woo Lee, Daniel Tordera, Henk J. Bolink   +11 more
wiley   +1 more source

A Review of Fault Diagnosis Methods: From Traditional Machine Learning to Large Language Model Fusion Paradigm. [PDF]

Sensors (Basel)
Nie Q, Geng J, Liu C.
europepmc   +1 more source

A Self-Powered Vibration Sensing System for High-Voltage Transmission Lines with Equipotential Connections. [PDF]

Sensors (Basel)
Zhu X, Yang J, Hu C, Wang Z, Liu Z, Liu Z.   +5 more
europepmc   +1 more source

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Online monitoring and diagnosis method of transformer winding deformation

IEEJ Transactions on Electrical and Electronic Engineering, 2019
Winding deformation has become an important factor affecting the safe and stable operation of transformers. Parameters such as winding resistance, leakage inductance, and capacitance will change as a result of winding deformation. Therefore, a method of diagnosis of transformer winding deformation based on the above three parameters is proposed in this
Hao Wu, Xue Wang, Jiajia Zhang
exaly   +2 more sources

Summary of Transformer Winding Deformation Detection and Monitoring Methods

Lecture Notes in Electrical Engineering, 2022
Xin Qi
exaly   +2 more sources

Detection of transformer winding deformations based on continuous wavelet transform

2017 IEEE Calcutta Conference (CALCON), 2017
Accurate diagnosis of winding deformation faults in transformers can significantly enhance the safety and reliability of power systems. Winding deformation is the major reason of failure of transformer. Therefore this paper describes a scheme to detect several winding deformations, present in power transformer.
Subrata Biswas, Sandip Kumar Chand
openaire   +1 more source

Deformation simulation and analysis of power transformer windings

2016 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC), 2016
Power transformers are critical in power systems and the stable operation of power transformers is a vital guarantee of system stability. However, with the development of capacity and voltage level, the external short-circuit fault threats the stable and secure operation of power transformers more seriously than ever before.
null Zhengyuan Li, null Zhiguo Hao, null Chenguang Yan, null Yiqi Dang, null Hongxiang Xu, null Baohui Zhang   +5 more
openaire   +1 more source

On-line monitoring of winding deformation of power transformer

Proceedings of 2001 International Symposium on Electrical Insulating Materials (ISEIM 2001). 2001 Asian Conference on Electrical Insulating Diagnosis (ACEID 2001). 33rd Symposium on Electrical and Electronic Insulating Materials and Applications in System, 2002
The feasibility of estimating transformer winding deformation by measuring short-circuit reactance is expounded. Based on the theoretical research, the on-line measurement system for short-circuit reactance of a transformer is proposed. The study on a power transformer in actual operating condition shows that the on-line method is satisfactory for ...
D.K. Xu, J.H. Huang, Y.M. Li
openaire   +1 more source