Results 21 to 30 of about 32,780 (214)

A Novel Relaying Scheme Using Long Short Term Memory for Bipolar High Voltage Direct Current Transmission Lines

open access: yesIEEE Access, 2021
In this paper, a novel relaying scheme is proposed for bipolar line commutated converter (LCC) high voltage direct current (HVDC) transmission lines that detects the fault, identifies the pole of fault and estimates the location of the fault.
A. Swetapadma   +3 more
semanticscholar   +1 more source

Overview and Assessment of HVDC Current Applications and Future Trends

open access: yesEnergies, 2022
High voltage direct current (HVDC) technology has begun to gather a high degree of interest in the last few decades, showing a fast evolution of achievable voltage levels, transfer capacities, and transmission lengths.
Andrei Stan   +2 more
doaj   +1 more source

Modular Multi-Port Ultra-High Power Level Power Converter Integrated with Energy Storage for High Voltage Direct Current (HVDC) Transmission

open access: yesEnergies, 2018
To connect renewable energy sources (RESs) with a unity-grid, energy storage (ES) systems are essential to eliminate the weather fluctuation effect, and high voltage direct current (HVDC) transmission is preferred for large-scale RESs power plants due to
Sen Song   +5 more
semanticscholar   +1 more source

Synthetic test circuit with two‐level voltage source for HVDC circuit breakers

open access: yesIET Generation, Transmission & Distribution, 2023
In order to ensure the reliable interruption of high voltage direct current circuit breaker (HVDC CB), the breaking test of HVDC CB plays an important role in its performance verification.
Shixin Xiu   +6 more
doaj   +1 more source

HVDC technologies in electric power transmission: International practices and development pathways in Kazakhstan [PDF]

open access: yesE3S Web of Conferences
High-voltage direct current (HVDC) transmission lines represent a key component of modern energy infrastructure, providing efficient longdistance electricity transmission and integration of renewable energy sources.
Akhatov Daulet   +7 more
doaj   +1 more source

Reliability evaluation of high voltage direct current transmission protection system based on interval analytic hierarchy process and interval entropy method mixed weighting

open access: yes, 2021
As the core of the secondary part of the high voltage direct current transmission (hereinafter referred to as HVDC) transmission system, HVDC protection is the first line of defense for the safe and reliable operation of the HVDC transmission system. Its
Ting Wang   +5 more
semanticscholar   +1 more source

Direct current power system stabilizers for HVDC grids: Current status

open access: yesIET Generation, Transmission & Distribution, 2023
A power system stabilizer (PSS) is a control system integrated into the control structure of specific generation units within AC grids. It monitors current, voltage, and machine shaft speed.
Neda Azizi   +3 more
doaj   +1 more source

High‐voltage direct current fault current interruption: A technology review

open access: yesHigh Voltage, 2020
European Union's Horizon 2020, Grant/Award Number: 691714 Abstract This review paper describes fault current interruption principles and various high‐voltage direct currrent (HVDC) circuit breaker technologies.
R. Smeets, N. Belda
semanticscholar   +1 more source

Voltage and Current Measuring Technologies for High Voltage Direct Current Supergrids: A Technology Review Identifying the Options for Protection, Fault Location and Automation Applications

open access: yesIEEE Access, 2020
After the occurrence of a DC-side feeder faults on HVDC transmission systems, protection and fault detection systems are anticipated to minimize their onerous effects, by initiating fault-clearing actions such as selective tripping of circuit breakers ...
D. Tzelepis   +13 more
semanticscholar   +1 more source

Comparative Analysis of Technical Standards for Offshore Wind Power via VSC-HVDC

open access: yesShanghai Jiaotong Daxue xuebao, 2022
This paper introduces the current situation of domestic and foreign offshore wind power grid-connected via voltage source converter based high voltage direct current(VSC-HVDC) transmission standards, and selects representative standards of offshore wind ...
YU Hao, ZHANG Zhemeng, PENG Sui, ZHANG Zhiqiang, REN Wanxin, LI Canbing
doaj   +1 more source

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