Determination of protection system requirements for DC UAV electrical power networks for enhanced capability and survivability [PDF]
, 2011 A growing number of designs of future Unmanned Aerial Vehicle (UAV) applications utilise dc for the primary power distribution method. Such systems typically employ large numbers of power electronic converters as interfaces for novel loads and generators.
Burt, Graeme +3 more
core +1 more source
Agriculture, 2023 The black weevil Aclees taiwanensis Kôno, 1933 (Coleoptera: Curculionidae) is a xylophagous insect native to Southeast Asia and introduced to Italy in 2005. Here, the species completes its entire life cycle on Ficus carica L., causing economic damage and
Ilaria Cutino +5 more
doaj +1 more source
Protection strategy for multi-terminal DC networks with fault current blocking capability of converters [PDF]
, 2017 High voltage dc networks are a promising technology to flexibly transmit power over long distances. However, dc grid protection is still a major challenge. DC fault clearance can be mainly achieved with three devices. These are ac circuit breakers (ACCBs)
Adamczyk, A. +5 more
core +1 more source
A Novel Protection Scheme of AC and DC Line-Touching Based on Coordination of AC and DC Protection
Zhongguo dianli, 2022 The AC/DC hybrid grid is developing rapidly, and the AC-DC line-touching fault has become an unique fault type. By taking different types of AC and DC line touching faults as the research object, and focusing on the whole process from fault isolation to ...
Wei TANG +5 more
doaj +1 more source
, 2017 Multi-terminal voltage-sourced converters (VSC) high-voltage direct current (HVDC) transmission system is expected to play a vital role in future power systems.
Bin Chang +5 more
semanticscholar +1 more source
A comprehensive review of DC fault protection methods in HVDC transmission systems
, 2021 High voltage direct current (HVDC) transmission is an economical option for transmitting a large amount of power over long distances. Initially, HVDC was developed using thyristor-based current source converters (CSC).
Mohan Muniappan
semanticscholar +1 more source
A Series-Type Hybrid Circuit Breaker Concept for Ultrafast DC Fault Protection
IEEE transactions on power electronics, 2022 A new series-type hybrid circuit breaker (S-HCB) concept for dc fault protection is reported that is fundamentally different from other prior-art hybrid circuit breakers (HCB) or solid-state circuit breakers (SSCB) in the literature.
Z. J. Shen +5 more
semanticscholar +1 more source
Quantifying sources of variability in neonicotinoid residue data for assessing risks to pollinators
Julius-Kühn-Archiv, 2018 The U.S. Environmental Protection Agency’s 2014 guidance for assessing pesticide risks to bees relies on higher-tier studies of residues in pollen and nectar to refine pesticide exposure estimates obtained from lower tier information (e.g., default ...
Sappington, Keith +6 more
doaj +1 more source
A supercapacitor based enhancement technique for stand-alone surge protection circuits [PDF]
, 2013 With the International Technology Roadmap for Semiconductors predicting below-25nm feature-size VLSIs, powered by DC power supplies of less than 1V, protection against transients has become mandatory for modern electronic systems.
Fernando, Jayathu, Kularatna, Nihal
core +2 more sources
Progressive fault isolation and grid restoration strategy for MTDC networks [PDF]
, 2018 A multi-terminal dc (MTDC) grid has a number of advantages over traditional ac transmission. However, dc protection is still one of the main technical issues holding back the expansion of point-to-point dc links to MTDC networks.
Adamczyk, Andrzej +5 more
core +1 more source