Results 21 to 30 of about 1,496 (223)
The Journal of Engineering, 2019 DC fault protection arrangements for a large multi-terminal HVDC (MTDC) network are proposed where fast-acting DC circuit breakers are only used at strategic locations with the large DC network to be operated interconnected but partitioned into islanded ...
Md Habibur Rahman +4 more
doaj +1 more source
Unidirectional Protection Strategy for Multi-terminal HVDC Grids
Transactions on Environment and Electrical Engineering, 2016 Protection issue is identified as the main drawback of emerging multi-terminal HVDC grids. Multi-terminal HVDC grid demands fast short circuit fault current interruption.
Ataollah Mokhberdoran +3 more
doaj +1 more source
CIRED - Open Access Proceedings Journal, 2017 In the last years the progressive increase of distributed and non-programmable energy sources arise the interest in the use of DC for medium-voltage distribution systems. The study focuses on the design considerations of the apparatus required to support the management and protection of these applications.
Lars Liljestrand +4 more
openaire +1 more source
Development of DC Circuit Breakers for Medium-Voltage Electrified Transportation
, 2022 Medium-voltage DC (MVDC) distribution is an enabling technology for the electrification of transportation such as aircraft and shipboard. One main obstacle for DC distribution is the lack of adequate circuit fault protection.
Arvin, Trevor Morgan
core +1 more source
Aging Characteristics of Contact Electrodes of Low Voltage DC Switches
Energies, 2021 With the present state of the direct current (DC) distribution market, securing the safety of the DC distribution system is emerging as a major issue.
Hyosung Kim
doaj +1 more source
Parameter identification of dc black-box arc model using non-linear least squares
The Journal of Engineering, 2019 The black-box arc model is known to be a useful technique to simulate dynamic arc-circuit interaction by reflecting arc characteristics. Existing researches have shown that the black-box model has been widely used to analyse the ac arc characteristics of
Kyu-Hoon Park +3 more
doaj +1 more source
Control Design and Fault Handling Performance of MMC for MMC-Based DC Distribution System
IEEE Access, 2022 Modular multilevel converters (MMCs) have emerged as a viable choice in future DC grid architectures due to their scalability to meet voltage level requirements.
Fazal Muhammad +4 more
doaj +1 more source
IEEE Open Journal of the Industrial Electronics Society, 2023 This article gives an overview of challenges in primary distribution, protections, and power scalability for shipboard dc systems. Given that dc technology is in development, several aspects of shipboard systems have not yet been sufficiently devised to ...
Alejandro Latorre +4 more
doaj +1 more source
Chengshi guidao jiaotong yanjiuObjective Arc extinction technology for DC (direct current) is one of the design challenges in urban rail transit traction power supply systems. Therefore, it is necessary to analyze the principles of DC opening and arc extinction for main DC fast ...
MENG Junfeng +3 more
doaj +1 more source
Smart protection system for identification and localisation of faults in multi-terminal DC microgrid
IET Smart Grid, 2020 DC microgrid provides the horizontal infrastructures to integrate distributed generation (DG) and loads. Unlike traditional AC systems, DC systems cannot survive or sustain high magnitude fault currents. It makes locating faults very difficult.
Rajeev Kumar Chauhan +2 more
doaj +1 more source