Results 31 to 40 of about 2,596,360 (213)

Recent Advances and Future Perspectives of HVDC Development in Pakistan: A Scientometric Analysis Based Comprehensive Review

open access: yesIEEE Access, 2023
Power generation in the global power sector has recently seen a paradigm shift from centralized bulk generation to distributed generation. In this regard, there are two transmission technologies available: high-voltage alternating current (HVAC) and high-
Saqib Khalid   +4 more
doaj   +1 more source

HVDC Transmission: Technology Review, Market Trends and Future Outlook

open access: yesRenewable & Sustainable Energy Reviews, 2019
HVDC systems are playing an increasingly significant role in energy transmission due to their technical and economic superiority over HVAC systems for long distance transmission.
Abdulrahman Alassi   +4 more
semanticscholar   +1 more source

HYBRID AC/MT-HVDC TRANSMISSION LINES AND ITS EFFECTIVE OPERATION USING ENHANCED-FISH SWARM OPTIMIZER [PDF]

open access: yesProceedings on Engineering Sciences, 2023
Multi-Terminal-High Voltage Direct Current (MT-HVDC) transmission lines are used to transmit electricity over long distances with lower losses compared to traditional Alternating Current (AC) transmission lines.
Prabhat Kumar Srivastava   +5 more
doaj   +1 more source

Time-Frequency Transformation Technique with Various Mother Wavelets for DC Fault Analysis in HVDC Transmission Systems

open access: yesSir Syed University Research Journal of Engineering and Technology, 2023
HVDC transmission has become a cost-effective option for transferring high voltage over greater distances. Protecting an HVDC transmission line is more challenging than protecting an AC transmission line due to its low impedance and absence of zero ...
Hasnain Raza chandio, Aslam Pervez Memon
doaj  

HVDC-System-Interaction Assessment through Line-Flow Change-Distribution Factor and Transient-Stability Analysis at Planning Stage

open access: yesEnergies, 2016
Many of the recent projects for new transmission line have considered the high-voltage direct current (HVDC) system, owing to the many advantages of the direct current (DC) system.
Sungchul Hwang, Jaegul Lee, Gilsoo Jang
doaj   +1 more source

A Controllable Thyristor-Based Commutation Failure Inhibitor for LCC-HVDC Transmission Systems

open access: yesIEEE transactions on power electronics, 2021
Commutation failure is a serious malfunction in line-commutated high voltage direct current (HVdc) converters which is mainly caused by the inverter ac faults, and results in a temporary interruption of transmitted power and damage to the converter ...
S. Mirsaeidi   +5 more
semanticscholar   +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

Overview of Research on Stability and Control of VSC-HVDC

open access: yes发电技术, 2019
Voltage source converter based high voltage direct current (VSC-HVDC) transmission systems has the advantages of good active and reactive power control capability and more suitable for multi-terminal transmission system.
Mingzhe WU, Wuhui CHEN
doaj   +1 more source

Strategy for Suppressing Commutation Failures in High-Voltage Direct Current Inverter Station Based on Transient Overvoltage

open access: yesEnergies
Commutation failures in high-voltage direct current (HVDC) transmission systems often occur within inverter stations, posing challenges to the safe and consistent operation of HVDC transmission projects.
Dandan Zhao   +5 more
doaj   +1 more source

High voltage direct current (HVDC) transmission: Future expectation for Pakistan

open access: yesCSEE Journal of Power and Energy Systems, 2019
An HVDC transmission system for bulk power transfer over longer distance offers numerous advantages over an alternating current (AC) transmission system, such as direct integration of networks operating at different frequencies, comparatively low line ...
Kamran Hafeez, Shahid A. Khan
doaj   +1 more source

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