Results 81 to 90 of about 11,878 (206)

An adaptive reclosing strategy for high-voltage DC grids with mechanical DC circuit breakers

International Journal of Electrical Power & Energy Systems, 2022
Yanxun Guo, Zhuang Xu, Xiaomei Yao
openaire   +1 more source

Design description of the Schuchuli Village photovoltaic power system [PDF]

A stand alone photovoltaic (PV) power system for the village of Schuchuli (Gunsight), Arizona, on the Papago Indian Reservation is a limited energy, all 120 V (d.c.) system to which loads cannot be arbitrarily added and consists of a 3.5 kW (peak) PV ...
Delombard, R., Ratajczak, A. F., Vasicek, R. W.   +2 more
core   +1 more source

Study of arc and magnetic field parameters under delayed breaking condition of DB-DC VCB

AIP Advances
Taking the mechanical double-break DC vacuum circuit breaker (DB DC VCB) as the research object, the magnetic field and temperature field distribution between the breaks and the plasma characteristics under the working condition of gap difference caused ...
Chongyang Huang, Shurui Yang, Zengyu Shan, Zhengbo Li, Yundong Cao   +4 more
doaj   +1 more source

DC protection of a muti-terminal HVDC network featuring offshore wind farms [PDF]

, 1949
A protection scheme for DC faults has been designed for a multi-terminal HVDC network used to transfer energy from three large offshore wind farms to shore.
Parker, Max, Finney, Stephen, Holliday, Derrick   +2 more
core   +2 more sources

Simulation Analysis of DC Fault Interruption Characteristics of Superconducting Electric Aircraft Propulsion

CSEE Journal of Power and Energy Systems
Environmental issues associated with the aviation industry are getting more attention as air traffic increases. Stringent standards are imposed for fuel consumption and pollution emissions for next-generation aircraft.
Muhammad Junaid, Xiaolong Yu, Shuzhi Cao, Wenqing Yu, Dongsheng Zuo, Jianhua Wang   +5 more
doaj   +1 more source

Design considerations of series type hybrid circuit breaker (S‐HCB)

IET Power Electronics
The series‐type direct current (DC) hybrid circuit breaker (S‐HCB) concept was previously reported to offer better performance than solid‐state circuit breakers (SSCB) and hybrid circuit breakers (HCB).
Mahmoud Alashi, Triston Cooper, Yuanfeng Zhou, Z. John Shen, Ian Brown, Thomas Wong   +5 more
doaj   +1 more source

A Novel Railgun-Based Actuation System for Ultrafast DC Circuit Breakers in EV Fast-Charging Applications

World Electric Vehicle Journal
This paper presents a novel ultrafast DC circuit breaker concept based on a railgun actuator, designed for ultrafast charging stations operating at 800 V and delivering up to 640 kW. The proposed breaker achieves contact opening speeds exceeding 190 m/s,
Fermín Gómez de León, Ara Bissal, Maurizio Repetto, Fabio Freschi   +3 more
doaj   +1 more source

Failure modes and remedies of a solid-state low voltage DC circuit breaker through 3,000,000＋ operation cycles

Power Electronic Devices and Components
This paper reports and analyzes the failure modes of a 1.2 kV low voltage (LV) solid-state dc circuit breaker (DCCB) over 3,000,000＋ opening operations.
Yang Liu, Kayla Chuong, Zhi Jin Zhang, Lauren M. Garten, Lukas Graber   +4 more
doaj   +1 more source

Apollo experience report: Command and service module controls and displays subsystem [PDF]

A review of the command and service module controls and displays subsystem is presented. The subsystem is described, and operational requirements, component history, problems and solutions, and conclusions and recommendations for the subsystem are ...
Olsen, A. B., Swint, R. J.
core   +1 more source

Finite element joint simulation model applied to fast mechanical switching of controlled resonance combination circuit breakers

High Voltage
Fast mechanical switches (FMSs) are critical components of DC circuit breakers (DCCBs), which require the switch action time to break to a sufficient distance within 3 ms in the DC line breaking scenario, while ensuring a long service life.
Puyi Cui, Guoli Li, Zehui Sun, Jiazi Xu, Guoyong Zhang, Zhong Chen, Weiping Guan   +6 more
doaj   +1 more source