Results 21 to 30 of about 1,102 (185)

A Study on The Electromagnetic Multi-Step Transmission Characteristics of Interior Permanent Magnet Synchronous Motors

open access: yesEnergies, 2022
In this paper, electromagnetic multi-step transmissions are introduced as a method for increasing the torque and efficiency of electric vehicle driving motors.
Chung-Hui Lee   +3 more
doaj   +1 more source

The switching principle of thyristor assistant arc extinguishing hybrid on-load tap-changer [PDF]

open access: yesMATEC Web of Conferences, 2021
Thyristor assistant arc extinguishing hybrid on-load tap-changer uses thyristor auxiliary mechanical switch which combines the advantages of mechanical switch and thyristor switch.
Cai Taoyuan   +6 more
doaj   +1 more source

P-Channel and N-Channel Super-Steep Subthreshold Slope PN-Body Tied SOI-FET for Ultralow Power CMOS

open access: yesIEEE Journal of the Electron Devices Society, 2018
In this paper, n-channel and p-channel super-steep subthreshold slope (SS) PN-body tied (PNBT) silicon on insulator field-effect transistors (SOI-FETs) are demonstrated. The PNBT structure has a symmetrical source and drain structure.
Takayuki Mori, Jiro Ida
doaj   +1 more source

Thyristor Arc Eliminator for Protection of Low Voltage Electrical Equipment

open access: yesEnergies, 2019
The paper presents the layout of two opposing thyristors working as an Arc Eliminator (AE). The presented solution makes it possible to protect an electrical apparatus against the effects of an arcing fault.
Karol Nowak   +2 more
doaj   +1 more source

High Power Semiconductor Technology Status and Progresses

open access: yes机车电传动, 2021
The evolution of modern Si based high power semiconductor devices and recent progress of novel device structures,as well as the status of wide bandgap semiconductor materials and devices were presented in this paper.
Guoyou LIU   +5 more
doaj  

Review on Failure Mode and Mechanism of Press-Pack IGBT and Thyristor Devices

open access: yesZhongguo dianli, 2023
High voltage and large capacity press-pack insulated gate bipolar transistor (IGBT) devices and thyristor devices are the core devices in high-voltage DC transmission projects, which are of great significance for the efficient use of energy.
Haoze LUO   +5 more
doaj   +1 more source

The Control of Fluxes of Electric Power in Networks by Means of Phase-switching Booster Transformers [PDF]

open access: yesProblems of the Regional Energetics, 2016
roblems of increasing the efficiency of the operation of electrical networks based on the utilization of booster transformers (BT) with electronic control, applied on the base of active elements in smart electric grids of power systems and giving the ...
Govorov F.P.   +2 more
doaj  

Research on Control Strategy of Electronic Switch Neutral Section Passing Equipment

open access: yesKongzhi Yu Xinxi Jishu, 2020
With continuous development of China’s railway transportation technology, ground neutral section passing equipment has been widely used. However, ground neutral section passing equipment based on circuit breaker has the problems of short service lifetime
LIU Yongli   +3 more
doaj  

Numerical Studies on the Performance of the PCM Mesh-Finned Heat Sink Base on Thermal-Flow Multiphysics Coupling Simulation

open access: yesEnergies, 2020
Operating temperature is an important parameter of thyristors to ensure the stable operation of power electronic devices. Thermal management technology is of great significance for improving the reliability of thyristors.
Jiefeng Liu   +5 more
doaj   +1 more source

All-Monolithically Integrated Self-Scanning Addressable VCSEL Array for 3D Sensing

open access: yesPhotonics, 2023
We propose an all-monolithically integrated self-scanning addressable vertical-cavity surface-emitting laser array for time-of-flight measurement. Some advantages of addressable VCSELs for ToF measurement applications include large reductions in power ...
Takashi Kondo   +8 more
doaj   +1 more source

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