Results 21 to 30 of about 11,622 (289)
机车电传动, 2021 In the main circuit of traction converter, due to the using of multiple four quadrant parallel power supply, the middle DC link can not fully realize low inductance connection and introduce line stray inductances, which leads to the resonance between ...
Yi ZHANG, Bin FAN
doaj
Factors affecting the operation of laser-triggered gas switch (LTGS) with multi-electrode spark gap [PDF]
, 2007 Multi-electrode spark switches can be used for switching applications at elevated voltages or for command triggering. Symmetrical field graded electrodes allow the electrical stress across individual gaps to be controlled, thus maximising the hold off ...
Fouracre, R.A. +5 more
core +1 more source
A comprehensive analytical description of the asymmetric active snubber
IET Power Electronics, 2023 Power modules for several hundred amperes suffer from a high stray inductance compared to discrete setups at similar current density. The use of silicon carbide in such modules is beneficial but due to the high stray inductance, the switching speed must ...
Michael Schlüter, Martin Pfost
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Optimized Design of Laminated Busbar for Large-Capacity Back-to-Back Converters
Energies, 2022 As a key component of a large-capacity converter, the laminated busbar can improve the reliability, integration and power density of the converter and has great advantages in reducing the parasitic inductance of the switching loop.
Mingxia Xu, Ninghui Wang, Zhipeng Wang
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Reducing the impact of radioactivity on quantum circuits in a deep-underground facility [PDF]
, 2020 As quantum coherence times of superconducting circuits have increased from nanoseconds to hundreds of microseconds, they are currently one of the leading platforms for quantum information processing.
Cardani, L. +24 more
core +5 more sources
Development of a 1 kA, 50 Hz Superconducting Converter [PDF]
, 1995 A single-phase, thermally switched superconducting power converter operating at mains frequency is being developed and tested by the authors. Typical design values of the device are: input voltage of 220 V; input current of 7 A; output voltage of 1 V ...
Fedorovsky, Michael A. +3 more
core +2 more sources
A high-Tc 4-bit periodic threshold analog-to-digital converter [PDF]
, 1997 Using ramp-type Josephson junctions a 4-bit periodic threshold ADC has been designed, fabricated and tested. Practical design constraints will be discussed in terms of noise immunity, flux flow, available technology, switching speed etc.
Gerritsma, Gerrit J. +3 more
core +3 more sources
On Simplified Calculations of Leakage Inductances of Power Transformers
Energies, 2020 This paper deals with the problem of the leakage inductance calculations in power transformers. Commonly, the leakage flux in the air zone is represented by short-circuit inductance, which determines the short-circuit voltage, which is a very important ...
Tadeusz Sobczyk, Marcin Jaraczewski
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Evaluation Model of Loop Stray Parameters for Energy Storage Converter of Hybrid Electric Locomotive
IEEE Access, 2020 When the silicon carbide (SiC) power module is applied to the energy storage converter of a hybrid locomotive, under the action of di/dt and loop stray inductance, it is easy to produce excessively high voltage overshoot, which affects the battery life ...
Yunxin Fan +6 more
doaj +1 more source
, 2016 Reliable powering of accelerator magnets requires reliable power converters and controls, able to meet the powering specifications in the long term. In this paper, some of the issues that will challenge a power converter controls engineer are discussed ...
King, Q.
core +3 more sources