Results 31 to 40 of about 115,952 (294)

Fast computation of electro-thermal coupling field of ± 400 kV converter transformer valve side bushing based on proper orthogonal decomposition method

International Journal of Electrical Power & Energy Systems
The digital twin technology plays a crucial role in enabling the intelligent operation and maintenance of power equipment, as well as facilitating the digital transformation of the power industry.
Zhilin Chu, Qingyu Wang, Huidong Tian, Siyuan Liu, Zhijie Gao, Songbo Tian, Peng Liu, Zongren Peng   +7 more
doaj   +1 more source

Exploring the Electro-Thermal Parameters of Reliable Power Modules: Insulated Gate Bipolar Transistor Junction and Case Temperature

Energies, 2018
In the exploration of new energy sources and the search for a path to sustainable development the reliable operation of wind turbines is of great importance to the stability of power systems.
Bo-Ying Liu, Gao-Sheng Wang, Ming-Lang Tseng, Kuo-Jui Wu, Zhi-Gang Li   +4 more
doaj   +1 more source

Asymptotic Freedom from Thermal and Vacuum Magnetization [PDF]

, 1996
We calculate the effective Lagrangian for a magnetic field in spinor, scalar and vector QED. Connections are then made to $SU(N_C)$ Yang--Mills theory and QCD.
Persson, David
core   +3 more sources

Improved Temperature Monitoring and Protection Method of Three-Level NPC Application Based on Half-Bridge IGBT Modules

IEEE Access, 2022
The overheating stress of power devices is the main cause of converter system failures, so real-time temperature acquisition, as well as timely over-temperature protection, under various operating conditions are key to achieving a more reliable energy ...
Qiang Wang, Jingwei Zhang, Francesco Iannuzzo, Amir Sajjad Bahman, Weifeng Zhang, Fengyou He   +5 more
doaj   +1 more source

An opto-electro-mechanical system based on evanescently-coupled optical microbottle and electromechanical resonator

, 2018
Evanescent coupling between a silica optical microbottle resonator and a GaAs electromechanical resonator is demonstrated. This coupling provides high optical sensitivity and efficient piezoelectric controllability of mechanical motion.
Asano, Motoki, Ohta, Ryuichi, Okamoto, Hajime, Yamaguchi, Hiroshi, Yamamoto, Takashi   +4 more
core   +1 more source

A chip-scale integrated cavity-electro-optomechanics platform [PDF]

, 2011
We present an integrated optomechanical and electromechanical nanocavity, in which a common mechanical degree of freedom is coupled to an ultrahigh-Q photonic crystal defect cavity and an electrical circuit.
A. H. Safavi-Naeini, Arcizet, Ashkin, Barclay, Chan, Eichenfield, Eichenfield, Ekinci, Favero, Frank, Gavartin, Gigan, Gröblacher, J. Cohen, Johnson, Kippenberg, Kippenberg, Kippenberg, Kleckner, Lee, Lin, M. Winger, Mayer Alegre, Michael, Midolo, Nichols, O. Painter, Olivero, Perahia, Regal, Rosenberg, S. Meenehan, S. Stobbe, Safavi-Naeini, Safavi-Naeini, Safavi-Naeini, Schliesser, Song, T. D. Blasius, T. P. Mayer Alegre, Teufel, Thompson, Weis   +42 more
core   +4 more sources

Electro-thermal coupling modeling of energy storage station considering battery physical characteristics

Frontiers in Energy Research
Aiming at the current lithium-ion battery storage power station model, which cannot effectively reflect the battery characteristics, a proposed electro-thermal coupling modeling method for storage power stations considers the characteristics of the ...
Mingdian Wang, Peng Jia, Wenqi Wei, Zhihua Xie, Jukui Chen, Haiying Dong   +5 more
doaj   +1 more source

Studying the Effect of Deposition Conditions on the Performance and Reliability of MEMS Gas Sensors

Sensors, 2007
In this paper, the reliability of a micro-electro-mechanical system (MEMS)-based gas sensor has been investigated using Three Dimensional (3D) coupled multiphysics Finite Element (FE) analysis.
Walied Moussa, Khaled Sadek
doaj   +1 more source

Three-Dimensional Electro-Thermal Analysis of a New Type Current Transformer Design for Power Distribution Networks

Energies, 2021
In recent years, the new type design of current transformer with bushing structure has been widely used in the distribution network system due to its advantages of miniaturization, high mechanical strength, maintenance-free, safety and environmental ...
Bingbing Dong, Yu Gu, Changsheng Gao, Zhu Zhang, Tao Wen, Kejie Li   +5 more
doaj   +1 more source

Research on multi-physical field coupling of solid electrothermal storage unit

Energy Reports, 2020
In recent years, the solid-state electro-thermal storage device has been connected to the power supply side of the power system for peak regulation by virtue of its high voltage and large capacity characteristics, which plays a positive role in the ...
Zuoxia Xing, Qitong Fu, Lei Chen, Tao Xu
doaj   +1 more source