Results 51 to 60 of about 18,999,023 (95)

Design of a Solid-State Circuit Breaker for a DC Grid-Based Vessel Power System [PDF]

, 2019
Electric propulsion and integrated hybrid power systems can improve the energy efficiency and fuel consumption of different kinds of vessels. If the vessel power system is based on DC grid distribution, some benefits such as higher generator efficiency ...
Juan José Valera, Alain Sanchez-Ruiz, Lukas Tapia, Igor Baraia-Etxaburu, Gonzalo Abad   +4 more
core   +2 more sources

Solid-State Circuit Breaker Topology Design Methodology for Smart DC Distribution Grids with Millisecond-Level Self-Healing Capability

Energies
To address the challenges of prolonged current isolation times and high dependency on varistors in traditional flexible short-circuit fault isolation schemes for DC systems, this paper proposes a rapid fault isolation circuit design based on an adaptive ...
Baoquan Wei, Haoxiang Xiao, Hong Liu, Dongyu Li, Fangming Deng, Benren Pan, Zewen Li   +6 more
doaj   +1 more source

Analytical Modelling of the Quasi-Static Operation of a Monolithically Integrated 4H-SiC Circuit Breaker Device

111118In this work, an analytical model describing the quasi-static operation of a monolithically integrated SiC solid-state circuit breaker (SSCB) device is rederived and refined.
Boettcher, Norman, Rommel, Mathias, Erlbacher, Tobias   +2 more
core   +1 more source

Comparison of Surge Voltage Reduction and Economic Efficiency of DC SSCBs According to MOV and RCD Snubber Combination

IEEE Open Journal of the Industrial Electronics Society
Metal oxide varistor (MOV) is a nonlinear resistive element whose resistance decreases rapidly when the applied voltage exceeds a threshold value. A dc solid-state circuit breaker (SSCB) uses MOVs or MOV with resistor-capacitor-diode (RCD) snubber ...
Seong Jin Lim, Sung-Geun Song, Guangxu Zhou, Feel-Soon Kang   +3 more
doaj   +1 more source

Optical fiber imaging for high speed plasma motion diagnostics: applied to low voltage circuit breakers [PDF]

, 2010
An integrated portable measurement system is described for the study of high speed and high temperature unsteady plasma flows such as those found in the vicinity of high current switching arcs.
Tribulato, G., Cross, K.J., A. Balestrero, J. W. McBride, G. Tribulato, K. J. Cross, L. Ghezzi, McBride, J.W., Balestrero, A., Ghezzi, L.   +9 more
core   +1 more source

Solid-State Circuit Breaker Component Simulation [PDF]

, 2021
The landscape of direct current (DC) solid-state circuit breakers (SSCBs) isgrowing and so too is the choice of primary components. Early on in the development ofelectrical technology, DC electrical distribution networks were handicapped by ...
Hughes, Matthew
core  

DC-SSCB Snubber for Electric Propulsion Ships With Effective Surge Voltage Reduction and Fast Dissipation of Fault Current Energy

IEEE Access
This paper proposes a snubber circuit for SSCB that performs voltage clamping operation in two stages to reduce surge voltage. The surge voltage is suppressed in the first stage using a MOV with low operating initiation and clamping voltages.
Jae-Hun Cha, Guangxu Zhou, Sung-Geun Song, Feel-Soon Kang   +3 more
doaj   +1 more source

Review and Analysis of Voltage Clamping Circuits With Low Overvoltage Ratios for DC Circuit Breakers

IEEE Open Journal of the Industrial Electronics Society
Voltage clamping circuits are critical components in most direct-current circuit breakers (dcCBs) to achieve ultrafast dc fault interruptions and an extended lifetime.
Shuyan Zhao, Chunmeng Xu, Lakshmi Ravi, Zhou Dong, Pietro Cairoli   +4 more
doaj   +1 more source

Design and Implementation of High-Efficiency, Lightweight, System-Friendly Solid-State Circuit Breaker [PDF]

, 2023
Direct current (DC) distribution system has shown potential over the alternative current (AC) distribution system in some application scenarios, e.g., electrified transportation, renewable energy, data center, etc.
Qin, Dehao
core   +1 more source

AC solid state circuit breakers for fault current limitation in distributed generation

, 2013
The solid state circuit breaker (SSCB) is a protective device used in power systems to provide protection against short circuit. The objective of this paper is to study and implement a simplified prototype of SSCB as a fault current limiter with ...
A. Massoud, Amor, I., R. Nasereddine, Nasereddine, R., Ben Brahim, L., Massoud, Ahmed, I. Amor, L. Ben Brahim   +7 more
core   +1 more source