Results 51 to 60 of about 11,878 (206)

Offshore DC Grids as an Interconnection of Radial Systems : Protection and Control aspects [PDF]

, 2015
Peer ...
Jovcic, Dragan, Nguefeu, S., Taherbaneh, Mohsen, Taisne, J.P.   +3 more
core   +1 more source

Interruption characteristics of self-powered hybrid DC circuit breaker with synergistic effect of step-down and divided current

International Journal of Electrical Power & Energy Systems
The DC voltage level of photovoltaic and PEDF applications have continuously advanced, reaching up to DC3000V. This presents new requirements for DC circuit breakers operating at higher voltages (>DC1500V) to ensure effective fault protection in the DC ...
Jianning Yin, Xiaojian Lang, Jiandong Duan, Shuhua Liang, Xingwen Li   +4 more
doaj   +1 more source

Waveform-level time-domain simulation comparison study of three shipboard power system architectures [PDF]

, 2012
Detailed waveform-level modeling and simulation of three alternative shipboard power system architectures is presented herein. The three system architectures are based on conventional 60Hz medium-voltage ac (MVAC), higherfrequency 240Hz medium-voltage ac
Crider, J., Dougal, R.A., Hebner, R., Langston, J., Lee, Y., Ouroua, A., Steurer, M., Sudhoff, S.D., Zhang, Y., Zivi, E.   +9 more
core  

Integration and Conventional Systems at STAR

, 2002
At the beginning of the design and construction of the STAR Detector, the collaboration assigned a team of physicists and engineers the responsibility of coordinating the construction of the detector.
Ackerman, Adler, B. Minor, H.S. Matis, Haldeman, P. Salz, R. Jared, R.L. Brown, W. Christie, W.R. Edwards   +9 more
core   +4 more sources

DC fault protection structures at a DC-link node in a radial multi-terminal high-voltage direct current system [PDF]

, 2016
In a multi-terminal HVDC system, DC circuit breakers (DCCBs) are conventionally connected in a star-configuration to enable isolation of a DC fault from the healthy system parts.
Fletcher, John E., Li, Rui, Williams, Barry W., Yao, Liangzhong   +3 more
core   +1 more source

Interruption characteristic of self-triggering low voltage hybrid DC circuit breaker with non-polarized bidirectional breaking

International Journal of Electrical Power & Energy Systems
The global new photovoltaic installed capacity reached 345.5GW in 2023. As the installed capacity of photovoltaic power generation systems increases worldwide, there is a growing demand for circuit breakers to withstand higher voltages on the DC side of ...
Jianning Yin, Xiaojian Lang, Yongyong Zhao, Jiandong Duan   +3 more
doaj   +1 more source

Superconducting interface for a DC circuit breaker [PDF]

, 2016
High voltage direct current (HVDC) circuit breakers are a key technology to enable fault management for multi terminal DC (MTDC) networks. DC circuit breakers using superconductors for current limiting have been proposed previously and experimentally ...
Barnes, Mike, Pei, Xiaoze, Smith, Sandy
core   +1 more source

Combined Operation Analysis of a Saturated Iron-Core Superconducting Fault Current Limiter and Circuit Breaker for an HVDC System Protection

Energies, 2021
Recently, in order to overcome the difficulties of interrupting fault currents in multi-terminal direct current systems (MTDC), studies combining a saturated iron-core type superconducting current limiter (SFCL) and a direct current circuit breaker (DCCB)
Jae-In Lee, Van Quan Dao, Minh-Chau Dinh, Seok-ju Lee, Chang Soon Kim, Minwon Park   +5 more
doaj   +1 more source

Impact Assessment of Hypothesized Cyberattacks on Interconnected Bulk Power Systems

, 2018
The first-ever Ukraine cyberattack on power grid has proven its devastation by hacking into their critical cyber assets. With administrative privileges accessing substation networks/local control centers, one intelligent way of coordinated cyberattacks ...
Ginter, Andrew, Ten, Chee-Wooi, Vasilakos, Athanasios V., Yamashita, Koji, Yang, Zhiyuan   +4 more
core   +1 more source

First-Principles Calculation of Conductivity of Ce-C Codoped SnO2 Contacts

Advances in Condensed Matter Physics, 2021
The contact is the core element of the vacuum interrupter of the mechanical DC circuit breaker. The electrical conductivity and welding resistance of the material directly affect its stability and reliability. AgSnO2 contact material has low resistivity,
Can Ding, Zhenjiang Gao, Xing Hu, Zhao Yuan   +3 more
doaj   +1 more source