Results 11 to 20 of about 951 (213)
Design of a snubber circuit for low voltage DC solid‐state circuit breakers [PDF]
IET Power Electronics, 2021 Solid‐state circuit breakers (SSCBs) are designed to interrupt fault currents typically several orders faster than its electromechanical counterparts. However, such an ultrafast switching operation would produce a dangerous overvoltage which might cause ...
Zhongying Wang +1 more
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Optimized Parameter Design of RC Snubber Circuit forSiC-MOSFET Module
Kongzhi Yu Xinxi Jishu, 2021 This paper proposes a fast optimization design method for RC snubber circuit parameters in order to solve the high switching voltage spikes of SiC while high switching and difficulties in snubber circuit parameters.
SHI Hongliang +6 more
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Evaluation of the efficacy of transient overvoltages suppression measures in different wind farm topologies using SF6 circuit breaker [PDF]
Scientific Reports, 2023 Various overvoltage mitigation schemes were used in literature in suppression of switching overvoltages in wind farms. However, the evaluation of how the effectiveness of these mitigation techniques would vary with the change of the wind farm topology is
Tamer Eliyan, Fady Wadie
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Analysis of Snubber Circuit Parameters Based on an Excitation Controlling Circuit
Advanced Materials Research, 2011 In an excitation control system of some DC generator, there are accidents sometimes thanks to the snobbery unit. To solve these bothersome, based on an snubber unit of the excitation control circuit, namely a Buck converter topology with rectifier bridge, with the filter capacitance and the exciting winding impedance parameter assured, the preferences ...
Wei Gao +3 more
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Cognitive Computation and Systems, 2022 The snubber circuit plays an important role in motor drives. This paper deals with the detection of the inverter switch snubber circuit resistance fault (ISSCRF) in brushless direct current (BLDC) motors used for robotic applications.
Sankha Subhra Ghosh +2 more
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Parameter Optimization of Thyristor Snubber Circuit in LSTF Quench Protection System
IEEE Access, 2019 The Large-scale Superconductor Test Facility (LSTF) is an important part of comprehensive research facilities in support of China Fusion Engineering Test Reactor (CFETR).
Wei Tong, Hua Li, Peng Fu
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Parameter Design of Snubber Circuit for Phase Model of IGCT Converter
Kongzhi Yu Xinxi Jishu, 2015 IGCT converters have been widely used in medium-voltage high-power drive system. Parameter design of snubber circuit for phase model is closely related to electrical safety, heat loss of device and control performance of converter, which is one of key ...
ZOU Yangju +3 more
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Design of the IGBT Snubber Circuit for Megawatt Level Wind Power Module
Kongzhi Yu Xinxi Jishu, 2016 It introduced the theoretical analysis and calculation of snubber circuit for megawatt level wind power module, and demonstrated the suppressing effect of snubber capacitor on over-voltage. Simulation results approved that ripple currents and temperature
ZHAI Long +5 more
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A novel regenerative snubber circuit for flyback topology converters [PDF]
Journal of Vibroengineering, 2020 Switch mode power suppliers based on isolated flyback topology have voltage stresses on semiconductor switches caused by transformer leakage inductance. Those voltage stresses have to be mitigated by implementing active or passive clamp preferably with partial leakage energy recovery.
Gani Balbayev +5 more
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High Frequency Snubber Circuit for SiC MOSFET Module
Kongzhi Yu Xinxi Jishu, 2016 During high frequency switching condition, overvoltage caused by the coupling oscillation between distributed parameters(inductance, capacitor) on Silicon Cabide(SiC) device will easily lead to breakdown damage of devices and the generated ...
LUO Jianbo, FAN Wei, PENG Kai
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