Results 121 to 130 of about 7,879 (224)

The Alternate Arm Converter: A New Hybrid Multilevel Converter With DC-Fault Blocking Capability

open access: yes, 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).
Critchley, R   +6 more
core   +1 more source

Droop Frequency Limit Control and Its Parameter Optimization in VSC-HVDC Interconnected Power Grids

open access: yesEnergies
With the gradual emergence of trends such as the asynchronous interconnection of power grids and the increasing penetration of renewable energy, the issues of ultra-low-frequency oscillations and low-frequency stability in power grids have become more ...
Han Jiang   +3 more
doaj   +1 more source

Impact of short-duration voltage variations on VSC-HVDC performance. [PDF]

open access: yesSci Rep, 2023
Mostafa RA   +3 more
europepmc   +1 more source

Analysis of Hybrid LCC-VSC HVDC Transmission Systems

open access: yes, 2018
High Voltage Direct Current(HVDC) is widely considered as an efficient and economical option for long distances transmission of electric power compared to ac transmission. Conventional HVDC transmission is based on line commutated converter(LCC). Although this mature technology has large transmission capacity, it still has some disadvantages such as ...
openaire   +2 more sources

Control of Multi-terminal VSC-HVDC Systems

open access: yes, 2008
The North Sea has a vast amount of wind energy with largest energy per area densities located about 100-300Km of distance from shore. Should this energy be tapped by offshore wind farms, HVDC transmission would be the more feasible solution at such long subsea distances.
openaire   +1 more source

A Novel Ensemble Fault Diagnosis Model for Main Circulation Pumps of Converter Valves in VSC-HVDC Transmission Systems. [PDF]

open access: yesSensors (Basel), 2023
Zhou S   +9 more
europepmc   +1 more source

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