Results 11 to 20 of about 7,891 (205)
Energies, 2023 Power cables are one of the key components of fast-growing HVDC transmission systems. The long-term reliability of HVDC cables is closely related to the occurrence of partial discharges (PDs) in their insulation systems.
Paweł Mikrut, Paweł Zydroń
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Energies, 2021 Mass Impregnated PPLP cable, which is applied to various high-voltage direct current (HVDC) projects due to its excellent dielectric and temperature properties, has a problem wherein voids are formed inside the butt-gap due to cavitation.
Dong-Hun Oh, Ho-Seung Kim, Bang-Wook Lee
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Study on the Effect of Void Geometry and Location on Electric Field Distribution and Partial Discharges in HVDC Cables [PDF]
E3S Web of Conferences, 2023 Nowadays HVDC transmission systems are preferred over HVAC systems because of their less power loss and high reliability. In the HVDC cable transmission system, there is a problem of Partial Discharges (PD) occurring due to cavities of the dielectrics in
Subramaniam Sundaramahalingam +2 more
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Applied Sciences, 2023 The insulation condition of HVDC grids consisting of cable systems, GIS, and converters should be monitored by partial discharge (PD) analysers using artificial intelligence (AI) tools for efficient insulation diagnosis.
Carlos Vera +17 more
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Research on DC leakage protection of communication base station in mining area
Meikuang Anquan, 2022 In order to solve the problem that the high-voltage DC power supply system of the communication base station of the intelligent fire protection system in the open-pit coal mine area has the risk of personal electric shock when the insulation of any ...
ZHU Yannan +3 more
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Space Charge Accumulation Characteristics in HVDC Cable under Temperature Gradient
Energies, 2020 One of the main issues that affect the development of high-voltage direct-current (HVDC) cable insulation is the accumulation of space charge. The load operation of an HVDC cable leads to the formation of a radially distributed temperature gradient (TG ...
Yifan Zhou, Wei Wang, Tailong Guo
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IEEE Access, 2023 This paper addresses the problem of output feedback control for high voltage direct current (HVDC) systems based on voltage source converters (VSC). Specifically, the system under study consists of two power grids and two VSC stations connected via a ...
Ilyass El Maysse +7 more
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Modelling Harmonic Propagation in HVDC System Power Cables [PDF]
2021 IEEE Electrical Insulation Conference (EIC), 2021 In this paper a three level Voltage Source Converter (VSC) based HVDC system is implemented and simulations are carried out to monitor the harmonic profile along HVDC cables. The harmonic profile of the sending and receiving end of the cables are analyzed under different conditions.
Arshad, Stewart, Brian G.
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Nyquist Stability Analysis of an AC-Grid Connected VSC-HVDC System Using a Distributed Parameter DC Cable Model [PDF]
, 2016 In this paper, a two-terminal VSC-HVDC system embedded in a weak grid ac environment is considered, emphasizing modeling, controller design, and small-signal stability analysis.
Breitholtz, Claes, Song, Yujiao
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Recyclable insulation material for HVDC cables in Global Energy Interconnection
Global Energy Interconnection, 2018 With the development of modern power systems, especially that of the global energy internet, high-voltage, direct current (HVDC) cable power transmission will play an important role in the future.
Yao Zhou +4 more
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