Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Jingqiu Yu"'
Publikováno v:
IET Generation, Transmission & Distribution, Vol 16, Iss 21, Pp 4356-4369 (2022)
Abstract Power flow controllers and DC circuit breakers are compulsory components in a multi‐terminal DC grid with overhead lines. They are both composed of similar power electronic devices and thus can be reasonably combined together to realize co
Externí odkaz:
https://doaj.org/article/f5b63b2b3c724ac59513009d35a7ba55
Publikováno v:
High Voltage, Vol 7, Iss 5, Pp 890-902 (2022)
Abstract DC circuit breaker (DCCB) is one of the most promising solutions for handling DC fault in half‐bridge modular multilevel converter (MMC)‐based DC grid. Generally after fault isolation, DCCBs are required to have the ability to quickly re
Externí odkaz:
https://doaj.org/article/322e3d69105c478cb87e17dd1667e946
Publikováno v:
High Voltage, Vol 7, Iss 1, Pp 197-207 (2022)
Abstract Hybrid circuit breakers (CBs) are the most promising technology to isolate DC faults in modular multilevel converter (MMC)‐based DC grids. However, they consist of expensive power electronic components that are sensitive to high overvoltag
Externí odkaz:
https://doaj.org/article/a9d5c03c58f14cb19097c0b6792c5124
Publikováno v:
Journal of Modern Power Systems and Clean Energy, Vol 10, Iss 5, Pp 1401-1412 (2022)
Symmetrical monopolar configuration is the prevailing scheme configuration for modular multilevel converter based high-voltage direct current (MMC-HVDC) links, in which severe DC overvoltage or overcurrent can be caused by the DC faults. To deal with
Externí odkaz:
https://doaj.org/article/53364496c23f43b5845186228d4e65f6
Publikováno v:
IEEE Access, Vol 8, Pp 123952-123965 (2020)
The pole-to-ground fault is one of the most typical faults in modular multilevel converters (MMCs) based DC grid. Analyzing the transient characteristics of fault voltages and currents is of great significance for fault identification, configuration
Externí odkaz:
https://doaj.org/article/ce7274509028453e83dcfeb2db6253ac
Publikováno v:
Applied Sciences, Vol 11, Iss 6, p 2882 (2021)
DC short-circuit faults are one of the challenges for modular multilevel converter (MMC) based DC grid. It is vital for proper design of protection system to estimate the fault currents and voltages. The existing calculation methods based on RLC equi
Externí odkaz:
https://doaj.org/article/a36f23570be24fc59beb925d7cfb6a95
Publikováno v:
Energies, Vol 13, Iss 18, p 4795 (2020)
Fast detection and isolation of direct current (DC) faults are key issues for DC grids. Therefore, it is very necessary to study the fault protection principle for DC grids. This paper firstly presents the main difficulties in DC fault protection. Th
Externí odkaz:
https://doaj.org/article/1a3db6bae57b424dae781b4694faa75f
Publikováno v:
Energies, Vol 12, Iss 3, p 445 (2019)
The modeling of the Ultra-High Voltage (UHV) tower plays an important role in lightning protection analysis of transmission lines because the model used will directly affect the reliability of the results. Moreover, the higher the voltage level is, t
Externí odkaz:
https://doaj.org/article/7062dbf05beb4170b99db192934396ed
Publikováno v:
High Voltage, Vol 7, Iss 1, Pp 197-207 (2022)
Hybrid circuit breakers (CBs) are the most promising technology to isolate DC faults in modular multilevel converter (MMC)‐based DC grids. However, they consist of expensive power electronic components that are sensitive to high overvoltage and ove
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::109de9fec7dd5d5d82ea00bf6fb59185
https://doi.org/10.1049/hve2.12138
https://doi.org/10.1049/hve2.12138
Publikováno v:
2021 International Conference on Power System Technology (POWERCON).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55911c569e21a0d597539181f879d5a7
https://doi.org/10.1109/powercon53785.2021.9697750
https://doi.org/10.1109/powercon53785.2021.9697750