Results 31 to 40 of about 51,560 (304)

Research on a Novel DC Circuit Breaker Based on Artificial Current Zero-Crossing

open access: yesIEEE Access, 2020
Modular multilevel converter-based high voltage direct-current (MMC-HVDC) transmission has developed rapidly because of its flexibility, reliability and efficiency.
Shangfu Teng, Zhifeng Zhang, Liye Xiao
doaj   +1 more source

Early Detection of Health Condition Degradation of Circuit Breaker Based on Electrical Quantity Monitoring

open access: yesEnergies, 2023
Circuit breakers on the filter bank branches in converter stations are vulnerable to contact wear and mechanical deterioration caused by frequent operations, which can lead to circuit breaker breakdowns and explosions.
Lisheng Li   +5 more
doaj   +1 more source

Simulation Analysis for Opening Performance of Medium Voltage Vacuum Circuit Breaker Based on ADAMS and Maxwell

open access: yesMATEC Web of Conferences, 2017
The circuit breakers play a important role in control and protect the power systemand the vacuum circuit breaker has beenwidely used in the field of medium voltage with its excellent opening performance.Virtual prototyping technology is alsobecamemore ...
Ding Xianliang   +5 more
doaj   +1 more source

CIRCUIT BREAKER IN SYSTEMS BASED ON MICROSERVICES ARCHITECTURE

open access: yesСучасні інформаційні системи, 2018
The subject of the article is a review of Circuit Breaker pattern in systems based on microservices architecture. The purpose of the article is to analyze the advantages and disadvantages of Circuit Breaker for microservices. Results.
Heorhii Molchanov, Anatolii Zhmaiev
doaj   +1 more source

The newfound relationship between extrachromosomal DNAs and excised signal circles

open access: yesFEBS Letters, EarlyView.
Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley   +1 more source

Investigation of the work of the electromagnetic actuator of the vacuum circuit breaker as a object diagnostis [PDF]

open access: yes, 2019
В роботі запропоновано спосіб визначення вебер-амперної характеристики електромагніту у процесі роботи вакуумного вимикача. Проведено натурний експеримент із вимірюванням електричних параметрів та розрахунком магнітної характеристики обмоток ...
Грабко, Володимир Віталійович   +1 more
core   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Transient characteristic of mode-conversion strategy for pumped storage machines based on eco-friendly generator circuit breaker and phase reversal disconnecting switch

open access: yesInternational Journal of Electrical Power & Energy Systems
The generator circuit breaker is a special breaker located between a pumped storage machine and a step-up transformer. The first requirement for generator circuit breaker is to interrupt fault currents with delayed current zero, preventing the damage of ...
Weijie Wen   +4 more
doaj   +1 more source

Arc Phenomena in low-voltage current limiting circuit breakers [PDF]

open access: yes, 2010
Circuit breakers are an important safety feature in most electrical circuits, and they act to prevent excessive currents caused by short circuits, for example. Low-voltage current limiting circuit breakers are activated by a trip solenoid when a critical
Budd, Chris   +4 more
core  

Harnessing Fungal Biowelding for Constructing Mycelium‐Engineered Materials

open access: yesAdvanced Engineering Materials, EarlyView.
Mycelium‐bound composites (MBCs) offer low‐carbon alternatives for construction, yet interfacial bonding remains a critical challenge. This review examines fungal biowelding as a biocompatible adhesive, elucidating mycelium‐mediated interfacial mechanisms and their role in material assembly. Strategies to optimize biowelding are discussed, highlighting
Xue Brenda Bai   +2 more
wiley   +1 more source

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