Results 21 to 30 of about 26,444 (276)
High Power Semiconductor Technology Status and Progresses
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
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Review on Failure Mode and Mechanism of Press-Pack IGBT and Thyristor Devices
Zhongguo 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
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Improving skills in rounding off the whole number [PDF]
, 2017 This study was conducted to address teaching and learning skills in rounding off a whole number. This study consisted of 15 years 4 students from the Kong Nan Chinese Primary School, Parit Raja, Johor, Malaysia.
Khalid, Kamil +8 more
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The Control of Fluxes of Electric Power in Networks by Means of Phase-switching Booster Transformers [PDF]
Problems 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
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Subsidiary capability upgrading and parent-subsidiary relationship: insights from a Chinese acquisition in the UK [PDF]
, 2015 Purpose: - This study aims to explore capability upgrading of EMNE’s subsidiaries in developed countries and how the parent-subsidiary relationship influences such upgrading.
Birkinshaw J. +3 more
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Research on Control Strategy of Electronic Switch Neutral Section Passing Equipment
Kongzhi 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
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Energies, 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
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All-Monolithically Integrated Self-Scanning Addressable VCSEL Array for 3D Sensing
Photonics, 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
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RESEARCH EMERGENCY TRANSIENTS IN POWER SYSTEMS 6 - 10 KV WITH THE THYRISTOR SWITCHES
Вестник Северо-Кавказского федерального университета, 2022 The conditions and the algorithms of thyristor switches to improve the reliability of power supply system 6 - 10 kV (SES) in emergency conditions: when power interruptions and short circuits (a short circuit).
Yuri Dyomin, Oleg Kirkorov
doaj
Three-phase power factor controller with induced EMF sensing [PDF]
, 1984 A power factor controller for an ac induction motor is provided which is of the type comprising thyristor switches connected in series with the motor, phase detectors for sensing the motor current and voltage and providing an output proportional to the ...
Nola, F. J.
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