Results 111 to 120 of about 2,361 (200)

Fault blocking converters for HVDC transmission : a transient behaviour comparison [PDF]

, 2018
A thorough comparison of the transient behaviours of two state-of-the-art converters suitable for HVDC transmission is presented. The Alternate Arm and Mixed-Cell Modular Multilevel Converter topologies both have DC fault blocking capability and are ...
Finney, S., Holliday, D., Rault, P., Vozikis, D.   +3 more
core  

Guest Editorial: Special issue on real‐time simulation and validation of modular multilevel converter‐based high‐voltage direct current systems

High Voltage, Volume 10, Issue 1, Page 1-2, February 2025.
Chongru Liu, Jun Liang, Zhanqing Yu
wiley   +1 more source

Assessment of Appropriate MMC Topology Considering DC Fault Handling Performance of Fault Protection Devices

Applied Sciences, 2018
The eventual goal of high-voltage direct-voltage (HVDC) systems is to implement HVDC grids. The modular multilevel converter (MMC) has been identified as the best candidate for the realization of an HVDC grid by eliminating the shortcomings of ...
Ho-Yun Lee, Mansoor Asif, Kyu-Hoon Park, Bang-Wook Lee   +3 more
doaj   +1 more source

Detailed quantitative comparison of half-bridge modular multilevel converter modelling methods [PDF]

, 2018
This paper presents a detailed comparison of different modelling methods of the half-bridge modular multilevel converter (HB-MMC), namely, switching function, Thevenin equivalent and averaged, considering both MMC implementations (large and reduced ...
Adam, G.P., Audichya, Yash, Burt, Graeme, Emhemed, Abdullah, Guo, Deyang, Rahman, M.H., Xu, Lie   +6 more
core  

Impact of DC protection strategy of large HVDC network on frequency response of the connected AC system [PDF]

, 2018
Integration of renewable energy generations requires the transmission of bulky power over long distance and HVDC transmission systems become a more preferable choice compared to conventional HVAC systems.
Rahman, M. H., Wang, Y., Xu, L., Zhou, D.   +3 more
core  

A comprehensive coordinated control strategy of MMC-HVDC system for frequency support and DC overvoltage suppression

International Journal of Electrical Power & Energy Systems
To enhance frequency support and fault ride-through capabilities of MMC-HVDC system, an MMC multi-time scale coordinated control strategy considering the regulation dead zone is proposed, which achieves wide-area coordinated complementarity of multiple ...
Shouqi Jiang, Demao Lu, Guoqing Li, Yechun Xin, Lixin Wang, Mingze Zhang   +5 more
doaj   +1 more source

Adiabatic DC-AC Power Converter with 99% Efficiency [PDF]

, 2016
This paper describes a novel approach to building a high efficiency and dimensionally compact power converter / inverter. A prototype was built for the Google / IEEE Little Box competition.
Baghdadi, Mehdi
core  

Coupling characteristics between MMC-HVDC and AC transmission lines on the same tower and their impact on protective relaying

International Journal of Electrical Power & Energy Systems
Significant coupling exists between DC and AC lines erected on the same tower or sharing transmission corridors. Electromagnetic and electrostatic coupling between DC and AC lines are investigated based on ± 500 kV MMC-HVDC and 500 kV double-circuit AC ...
Wenbo Wang, Bin Li, Jiawei He, Botong Li, Zhongrun Xie, Lei Xue   +5 more
doaj   +1 more source

Inertial imitation method of MMC with hybrid topology for VSC-HVDC. [PDF]

PLoS One, 2022
Wu J, Yin S, Li C, Zhang Q.
europepmc   +1 more source

A novel power control strategy of Modular Multi-level Converter in HVDC-AC hybrid transmission systems for passive networks [PDF]

, 2014
Blaabjerg, Frede, Hu, Zhenda, Lin, Zhangsui, Wu, Rui, Yang, Xiaodong   +4 more
core   +1 more source