Results 11 to 20 of about 8,400 (267)
Technology and application of high speed fault location,isolation and self-healing in DC distribution network [PDF]
E3S Web of Conferences, 2021 With the continuous increase of DC load, the research of DC distribution network has been developed rapidly. Compared with the traditional AC distribution network, DC distribution network has the advantages of less conversion times, high efficiency, low ...
Tan Kuo, Hu Guo, Wu Hai, Huang Feng
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IET Generation, Transmission & Distribution, 2023 DC short‐circuit fault has become one of the major concerns in bipolar DC system operation under complicated conditions. Compared with conventional two‐port DC‐DC converter, fault‐tolerant DC‐DC converter with multiple external ports is evaluated as a ...
Baichuan Teng +4 more
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A Fault-Tolerant Series-Resonant DC–DC Converter [PDF]
IEEE Transactions on Power Electronics, 2017 The series-resonant dc–dc converter (SRC) is widely used as power supply for telecommunications, wireless power transfer for electrical vehicle, and high-voltage power supplies. Recently, it became very popular in solid-state transformer application, where fault tolerance is a highly desired feature and it is obtained through redundancy.
Levy Costa +2 more
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Zhongguo dianli, 2021 The DC fault has become one of the most serious obstacles for the development of DC system because of its wide impact range and large fault current.
Shiyuan FAN +5 more
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Research on typical fault classification method of DC-DC converter
Xibei Gongye Daxue Xuebao, 2021 DC-DC converter is the core component of power conversion module of integrated modular avionics. Condition monitoring and fault diagnosis of DC-DC converter can effectively improve the reliability of avionics equipment, reduce the maintenance cost and ...
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Intersystem fault between MMC‐HVDC and AC systems and its impact on DC/AC protection
IET Generation, Transmission & Distribution, 2022 Flexible DC and AC transmission lines can be arranged across vertically or sharing transmission corridor. Under this condition, the possibility of intersystem fault increases significantly, which endangers the safety of both DC and AC systems.
Wenbo Wang +5 more
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Research on fault characteristic of modular multilevel converter
Energy Reports, 2022 Along with China proposes to build a new energy power system, various DC transmission technologies have been extensively studied. As the most serious fault type of the DC transmission system, permanent DC bipolar short-circuited fault is easy to cause ...
Changwu Hou +3 more
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Energies, 2021 DC faults cause severe disruption in not only the DC system but also the AC system because the fault current is very large and rapidly increases. The DC circuit breaker used to separate the DC faults from the power system is still being researched, but ...
Sang-Jae Choi, Sung-Hun Lim
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Topology and control strategy of a multifunctional modular DC fault current limiter
电力工程技术, 2022 DC fault current limiter (FCL) is a key device for suppressing DC short-circuit fault currents,which is important in AC/DC hybrid grid. In this paper,topology of a multifunctional modular DC FCL is proposed,which consists of multiple series-connected ...
ZHANG Liang +4 more
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A comprehensive survey on fault diagnosis and fault tolerance of DC-DC converters [PDF]
Chinese Journal of Electrical Engineering, 2018 DC-DC converters are becoming more commonly used in power conversion solutions for energy management purposes, being employed in an ever-increasing range of DC-based applications, such as LED lighting, electric vehicles, energy storage solutions, and consumer electronics (laptops, smartphones, etc.).
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