Results 11 to 20 of about 1,710 (215)

Single-end Protection Scheme Based on Transient Power Waveshape for Hybrid HVDC Transmission Lines

open access: yesJournal of Modern Power Systems and Clean Energy, 2023
The recent in-depth development of hybrid high-voltage direct current (HVDC) transmission systems poses looming adaptability challenges to protection.
Feiyang Dai, Zexin Zhou, Xingguo Wang
doaj   +2 more sources

Computation of 3-D Electric Field on Buildings of Arbitrary Shape Near HVDC Transmission Lines

open access: yesIEEE Access, 2023
Electrical environment of residences adjacent to Ultra high voltage direct current (UHVDC) transmission lines draws huge attentions as it affects people’s lives.
Po Long, Guocai Zuo, Kun He, Li Xie
doaj   +2 more sources

Conversion Of Hvac Lines Into Hvdc In Transmission Expansion Planning [PDF]

open access: yes, 2017
{"references": ["A. Clerici, L. Paris, and P. Danfors, \"HVDC conversion of HVAC lines to provide substantial power upgrading,\" IEEE Transactions on Power Delivery, vol. 6, no. 1, pp. 324-333, Jan. 1991.", "M.\tMarene, I. Zamora, O. Abarrategui, and Z.
Juan P. Novoa, Mario A. Rios
openaire   +3 more sources

Influence factors analysis of ionized field characteristics of Zhangbei ±500kV flexible direct current transmission lines [PDF]

open access: yesE3S Web of Conferences, 2021
The ionized field should be controlled in order to insure the environmental friendliness of high voltage direct current (HVDC) transmission lines. Different with traditional HVDC transmission lines, the metal return lines is first employed in Zhangbei ...
Zhang Jinlan   +4 more
doaj   +1 more source

Model parameter identification for scaled-down analogous HVDC transmission lines using broad spectral response analysis

open access: yesEnergy Reports, 2022
Traditional analogous π-shape transmission line models are mainly designed based on the amplitude and phase response characteristics of the distributed-parameter transmission lines at the power frequency.
Jinrui Tang   +4 more
doaj   +1 more source

Research on calculated method for space electric field around HVDC transmission lines with buildings nearby

open access: yesIET Generation, Transmission & Distribution, 2022
High voltage direct current (HVDC) transmission technology has incomparable advantages in long‐distance and large‐capacity transmission. With the development of HVDC transmission technology, transmission lines inevitably pass through some densely ...
Yingyi Liu   +5 more
doaj   +1 more source

Experimental study on fault ride-through capability of VSC-based HVDC transmission system [PDF]

open access: yesArchives of Electrical Engineering, 2021
For voltage-source-converter based high-voltage-direct-current (VSC-HVDC) transmission systems, fault ride-through (FRT) capability is a very important grid requirement in order to enhance its operational availability under an alternating current (AC ...
Ngo Minh Khoa   +2 more
doaj   +1 more source

Study of Hybrid Transmission HVAC/HVDC by Particle Swarm Optimization (PSO)

open access: yesEnergies, 2022
There are considerable power losses in Indonesia’s SUMBAGUT 150 kV transmission High Voltage Alternating Current Network (HVAC) system. These power losses and the voltage profile are critical problems in the transmission network system.
Yulianta Siregar, Credo Pardede
doaj   +1 more source

Corona current and audible noise characteristics of HVDC transmission lines and their relationship at high‐altitude

open access: yesIET Generation, Transmission & Distribution, 2023
The audible noise (AN) of HVDC transmission lines, as an external manifestation of the corona discharge, intensifies with the increase of altitude. In high‐altitude area, the AN has been a key factor in determining the type of conductors for transmission
Luxing Zhao   +6 more
doaj   +1 more source

The Optimal Design of HVDC Transmission Lines for the Improvement of Reactive Power Distribution Using Genetic Algorithm [PDF]

open access: yesمدیریت مهندسی و رایانش نرم, 2022
The proposed control scheme in this paper is based on the design of an optimal load distribution of reactive power for High-Voltage Direct-Current systems (HVDCs).
Ali Mohammadi
doaj   +1 more source

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