Results 1 to 10 of about 8,400 (267)

A Comprehensive Review of Fault Diagnosis and Tolerant Control in DC-DC Converters for DC Microgrids [PDF]

open access: yesIEEE Access, 2021
As the power interface between the energy storage devices (ESD) and the dc link of DC Micro-grids, dc-dc converters, which have been regarded as the heart of many critical applications such as electrical vehicles, data center, and aerospace power systems,
Shahamat Shahzad Khan, Huiqing Wen
doaj   +2 more sources

A DC/DC autotransformer with integrated fault blocking capability

open access: yesZhejiang dianli, 2023
As crucial equipment for multi-voltage DC interconnection, high-capacity high-voltage DC/DC converters can be used for voltage conversion and DC fault isolation.
LU Yi   +5 more
doaj   +2 more sources

Review on fault‐diagnosis and fault‐tolerance for DC–DC converters [PDF]

open access: yesIET Power Electronics, 2020
The DC–DC converters operate extensively in a variety of industrial applications such as electric vehicles, renewable energy systems, aerospace applications, consumer electronics (smartphones, laptops, etc.) and energy storage solutions. The reliability of the DC–DC converters is of a greater significance.
Geddam Kiran Kumar, Devaraj Elangovan
openaire   +1 more source

Influence Analysis of Current Limiting Reactor on Pole-to-Pole Short Circuit Fault in DC Distribution System [PDF]

open access: yesE3S Web of Conferences, 2021
With the development of power electronic technology, flexible DC distribution system has gradually become a research hotspot. Pole-to-pole short circuit fault is the most serious fault type in DC distribution system. When pole-to-pole short circuit fault
Wang Zhenyu   +5 more
doaj   +1 more source

Fast DC Fault Current Suppression and Fault Ride-Through in Full-Bridge MMCs via Reverse SM Capacitor Discharge

open access: yesEnergies, 2022
In the event of a DC side fault in modular multilevel converters (MMCs), the fault current contributions are initially made by submodule (SM) capacitor discharge, which occurs before the fault is detected, followed by the AC side contribution to the DC ...
Munif Nazmus Sakib   +2 more
doaj   +1 more source

Analysis on DC Fault Current Limiting Operation of Twice-Quench Trigger Type SFCL Using Transformer Considering Magnetizing Current and Current Limiting Reactor

open access: yesEnergies, 2023
As the penetration of distributed energy resources (DER) has increased, research on direct current (DC) power transmission and distribution has been actively performed. The DC system has the advantage of high-power transmission efficiency.
Sung-Hun Lim   +3 more
doaj   +1 more source

Research on Fault Current Controller of DC Microgrid

open access: yes南方能源建设, 2023
[Introduction] With the rapid development of AC/DC distribution networks and distributed generation technology, the role of DC microgrids in distribution networks is becoming increasingly important and will become an important component of future ...
Cong LIN, Xiangfeng LI, Fang GUO
doaj   +1 more source

DC Fault Current Analyzing, Limiting, and Clearing in DC Microgrid Clusters

open access: yesEnergies, 2021
A new DC fault current limiter (FCL)-based circuit breaker (CB) for DC microgrid (MG) clusters is proposed in this paper. The analytical expressions of the DC fault current of a bidirectional interlink DC/DC converter in the interconnection line of two ...
Navid Bayati   +5 more
doaj   +1 more source

A Novel Protection Scheme of AC and DC Line-Touching Based on Coordination of AC and DC Protection

open access: yesZhongguo 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

Development of New Protection Scheme in DC Microgrid Using Wavelet Transform

open access: yesEnergies, 2022
The demand for a low voltage direct current (LVDC) microgrid is increasing by the increase of DC-based digital loads and renewable resources and the rapid development of power electronics technology.
Hun-Chul Seo
doaj   +1 more source

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