Results 21 to 30 of about 45,889 (185)

Study on overvoltage of hybrid LCC-VSC-HVDC transmission

open access: yesThe Journal of Engineering, 2018
Hybrid line commutation converter-voltage-source converter high-voltage direct current transmission (LCC-VSC-HVDC) power transmission has unique technical advantages, but its overvoltage study is not sufficient at present.
Dizhen Xu   +4 more
doaj   +2 more sources

Inertia emulation control of VSC-HVDC transmission system [PDF]

open access: yes, 2011
The increasing penetration of power electronics interfaced renewable generation (e.g. offshore wind) has been leading to a reduction in conventional synchronous-machine based generation.
Roscoe, Andrew   +3 more
core   +4 more sources

The Simulation Analysis and Countermeasures of LCC-HVDC Complementary Resonance

open access: yesJournal of Physics: Conference Series, 2023
Abstract With the advancement of HVDC technology, the AC/DC hybrid grid has gradually emerged. The interaction and influence between AC and DC have become increasingly prominent, with the complementary resonance problem between AC and DC emerging as a hot research topic.
Yinsheng Su   +5 more
openaire   +1 more source

Hybrid HVDC for supply of power to offshore oil platforms [PDF]

open access: yes, 2004
A HVDC hybrid system, comprising a line commutated thyristor HVDC converter and a STATCOM, is proposed in this paper for supplying power to offshore oil platforms that do not have their own generation. The proposed system combines the robust performance,
Cartwright, P., Andersen, B., Xu, L.
core   +3 more sources

Harmonic loss analysis of converter transformer in LCL-HVDC system

open access: yesEnergy Reports, 2020
At present, China’s energy distribution and economic development are extremely unbalanced. In order to make rational use of resources, China has promoted the “west to East power transmission” and “north to South Power Transmission” pattern.
Qing Ni   +3 more
doaj   +1 more source

Selective Harmonic Elimination Modulation for HVDC Modular Multilevel Converter

open access: yes, 2021
This paper proposes the application of a mixed selective harmonic elimination mitigation modulation algorithm to three-phase HVDC modular multilevel converters. Defining 1 the number of levels, two cases have been considered: t=65 and t=257.
Cimoroni M. G.   +5 more
core   +1 more source

Research on DC Protection Strategy in Multi-Terminal Hybrid HVDC System

open access: yesEngineering, 2021
Multi-terminal hybrid high-voltage direct current (HVDC) systems have been developed quickly in recent years in power transmission area. However, for voltage-source converter (VSC) stations in hybrid HVDC systems, no direct current (DC) filters are ...
Yuping Zheng   +5 more
doaj   +1 more source

Study on Difference Between Two-Terminal LCC-HVDC and Three-Terminal LCC-HVDC Control and Protection System

open access: yesIOP Conference Series: Earth and Environmental Science, 2021
Abstract The paper studies the difference between two-terminal Line Commutate Converter Based High Voltage Direct Current (LCC-HVDC) and three-terminal LCC-HVDC control and protection system relying on the Yun-gui Interconnection Project of China Southern Grid (CSG).
openaire   +1 more source

A DC Chopper Topology to Mitigate Commutation Failure of Line Commutated Converter Based High Voltage Direct Current Transmission

open access: yesJournal of Modern Power Systems and Clean Energy, 2020
To reduce the probability of commutation failure (CF) of a line commutated converter based high-voltage direct current (LCC-HVDC) transmission, a DC chopper topology composed of power consumption sub-modules based on thyristor full-bridge module (TFB ...
Chunyi Guo, Bo Liu, Chengyong Zhao
doaj   +1 more source

Research on protection adaptability and optimization scheme of VSC/LCC DC parallel hybrid system

open access: yesAIP Advances, 2023
With the continuous development of high-voltage direct current (HVDC) technology and the relative concentration of power load and power, the HVDC parallel hybrid system will inevitably appear again.
A. Ting Wang   +5 more
doaj   +1 more source

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