Results 51 to 60 of about 1,539,180 (166)
Quality Management System and Maturity Evaluation of Overseas Flexible HVDC Transmission Project
发电技术, 2020 There are certain differences between the quality management of overseas flexible HVDC transmission project and domestic engineering quality management. In the management process, it is necessary to establish a correct quality management concept based on
Jiaqi CUI
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Application Analysis of MMC-HVDC AC Tie Line Transmission in New Energy Power Generation
Journal of Control Science and Engineering, 2022 In order to solve the problem of new energy power generation, the author proposes an application analysis method based on MMC-HVDC AC tie line transmission in new energy power generation.
Ruijuan Sun, Xiaoyuan Dang, Jiayi Yang
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High Voltage, EarlyView.ABSTRACT To solve the ion‐flow field of ultrahigh‐voltage direct current (UHVDC) transmission lines under strong‐wind scenarios, the multiple relaxation time lattice Boltzmann method (MRT‐LBM) is adopted. Compared with previous ion‐flow studies predominantly based on the single relaxation time LBM, the MRT‐LBM framework provides improved numerical ...
Ting Zhu, Rongbin Wang, Haidong Wang
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Engineering practices for the integration of large-scale renewable energy VSC-HVDC systems
Global Energy Interconnection, 2020 With the continuous development of power electronic devices, intelligent control systems, and other technologies, the voltage level and transmission capacity of voltage source converter (VSC)-high-voltage direct current (HVDC) technology will continue to
Yan Li +3 more
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High Voltage, EarlyView.ABSTRACT Low‐frequency AC transmission holds promise for high‐voltage land cables, but its ampacity is significantly influenced by cable grounding methods and other structural factors. To explore the specific low‐frequency current‐carrying characteristics of high‐voltage land cables, this paper conducts a thorough theoretical analysis of the coupling ...
Yongpei Li +4 more
wiley +1 more source
Research Progress in Treeing Phenomena of Polypropylene Insulation Materials
High Voltage, EarlyView.ABSTRACT Polypropylene (PP) is increasingly utilised in high‐voltage systems due to its superior electrical and thermal properties. However, electrical treeing poses a significant threat to its long‐term reliability, potentially leading to insulation failure.
Boxue Du, Heyu Wang, Zhonglei Li
wiley +1 more source
The Alternate Arm Converter: A New Hybrid Multilevel Converter With DC-Fault Blocking Capability [PDF]
, 2013 This paper explains the working principles, supported by simulation results, of a new converter topology intended for HVDC applications, called the alternate arm converter (AAC).
Merlin, Michael MC +6 more
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Proposing a Rule for VSC-HVDC Optimal Placement to Improve Transient Stability of Power System [PDF]
International Journal of Research and Technology in Electrical IndustryTransient stability indicates the system's ability to dampen the rotor oscillations of synchronous generators after severe faults. The transient instability causes considerable damage to the generator and reduces the production capacity in the network ...
Ali Abrishami Moghaddam +2 more
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High Voltage, EarlyView.ABSTRACT Amid the ongoing global energy transition, the short‐circuit ratios of AC power grids are continuously decreasing. Grid‐forming voltage source converter‐based high voltage direct current transmission (GFM VSC‐HVDC) systems have therefore come to the forefront of attention.
Cheng Peng +7 more
wiley +1 more source
A VSC transmission system using flying capacitor multilevel converters and selective harmonic elimination pWM control [PDF]
, 2005 A transmission system based on voltage-source three-level flying capacitor (FC) multilevel converters with selective harmonic elimination pulse-width modulation (SHE-PWM) control is presented in this paper.
Lie Xu +3 more
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