Results 21 to 30 of about 1,432 (200)
Analysis of suppression switching overvoltage for CRAFT power supply
In order to solve the problem of switching overvoltage for CRAFT, an optimal design is put forward to suppress overvoltage, which aims to enable the converter thyristor work normal.
Yalong Yang +4 more
doaj +1 more source
With the development of the photovoltaic industry; there will be an increasing demand for efficient, high-power density, and low-cost grid interface converters.
Jian Yu +4 more
doaj +1 more source
Abstract The Internet of Things is emerging as a crucial technology in aiding humans and making their lives easier. Among the human population, a large percentage of people suffer from disabilities resulting in challenges in everyday life particularly people with visual disabilities.
Hania Tarik +8 more
wiley +1 more source
Overvoltage and Oscillation Suppression Circuit With Switching Losses Optimization and Clamping Energy Feedback for SiC MOSFET [PDF]
The snubber circuit is a cost-effective solution to reduce the severe turn-off overvoltage and oscillation caused by the fast switching characteristics of SiC MOSFET.
Yang, Chengzi +11 more
core +1 more source
During the switching operation of the non-load power transmission lines, the undisired switching overvoltage issue is inevitable, causing grid voltage oscillations, waveform distortion and other phenomena at the end of the non-load power transmission ...
Bo Yang +4 more
doaj +1 more source
Analysis on switching overvoltage and suppression method of cable joint in 500 kV cable line
The breakdown accident of cable joint occurs frequently when the sheath overvoltage cable line is closed, but the cable joint is ignored or simply treated in the previous overvoltage simulation of cable system.
Hongtao Ren, Ying Zhang
doaj +1 more source
Mitigation of motor overvoltage in SiC-based drives using soft-switching voltage slew-rate (dv/dt) profiling [PDF]
In silicon carbide (SiC) device based motor drives, the high voltage slew rate (dv/dt) associated with the fast switching transitions results in excessive motor overvoltage, due to the reflected wave phenomenon, which increases the motor winding ...
Wenzhi Zhou (6575999) +3 more
core +2 more sources
Analysis on switching overvoltage of 500 kV GIS disconnector
The 500 kV GIS disconnector of a pumped storage power station is detected to have the risk of operating overvoltage breakdown of the gas chamber. In this paper, the causes of the operating overvoltage of the disconnector of GI equipment are analyzed, and
Hongtao Ren
doaj +1 more source
Overvoltages during switching operations of vacuum switching devices [PDF]
This paper presents the results of experimental studies of voltage phenomena in the switching operations of vacuum switching devices made by various manufacturers in several different configurations of 6 kV, 10 kV, 20 kV and 35 kV networks. During switching-on operations of the inductive loads, re-ignition of the electric arc between the contacts of ...
Vukelja Petar +3 more
openaire +2 more sources
True Breakdown Voltage and Overvoltage Margin of GaN Power HEMTs in Hard Switching
This work studies the dynamic breakdown voltage (BV) and overvoltage margin of a 650-V-rated commercial GaN power HEMT in hard switching. The dynamic BV measured in the hard switching circuits is over 1.4 kV, being 450 V higher than the static BV ...
Zhang, Yuhao +5 more
core +1 more source

