Results 51 to 60 of about 792,851 (265)

Control of MTDC Transmission Systems under Local Information [PDF]

open access: yes, 2014
High-voltage direct current (HVDC) is a commonly used technology for long-distance electric power transmission, mainly due to its low resistive losses.
Andreasson, Martin   +3 more
core   +2 more sources

Improved Relay Algorithm for Detection and Classification of Transmission Line Faults in Monopolar HVDC Transmission System Using Signum Function of Transient Energy

open access: yesIEEE Access
Based on the signum function (sign of magnitudes) of transient energy, this paper proposes a fault classification approach and algorithm for a monopolar HVDC system.
Soma Deb   +6 more
semanticscholar   +1 more source

Application Analysis of MMC-HVDC AC Tie Line Transmission in New Energy Power Generation

open access: yesJournal of Control Science and Engineering, 2022
In order to solve the problem of new energy power generation, the author proposes an application analysis method based on MMC-HVDC AC tie line transmission in new energy power generation.
Ruijuan Sun, Xiaoyuan Dang, Jiayi Yang
doaj   +1 more source

Unified reference controller for flexible primary control and inertia sharing in multi-terminal voltage source converter-HVDC grids [PDF]

open access: yes, 2016
Multi-terminal dc (MTDC) grids are expected to be built and experience rapid expansion in the near future as they have emerged as a competitive solution for transmitting offshore wind generation and overlaying their ac counterpart. The concept of inertia
Candela García, José Ignacio   +4 more
core   +2 more sources

Stepwise investment plan optimization for large scale and multi-zonal transmission system expansion [PDF]

open access: yes, 2016
This paper develops a long term transmission expansion optimization methodology taking the probabilistic nature of generation and demand, spatial aspects of transmission investments and different technologies into account.
Belmans, R   +3 more
core   +1 more source

Modular multilevel converter with modified half-bridge submodule and arm filter for dc transmission systems with DC fault blocking capability [PDF]

open access: yes, 2018
Although a modular multilevel converter (MMC) is universally accepted as a suitable converter topology for the high voltage dc transmission systems, its dc fault ride performance requires substantial improvement in order to be used in critical ...
Abdelsalam, Ibrahim A.   +3 more
core   +2 more sources

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  

Proposing a Rule for VSC-HVDC Optimal Placement to Improve Transient Stability of Power System [PDF]

open access: yesInternational Journal of Research and Technology in Electrical Industry
Transient stability indicates the system's ability to dampen the rotor oscillations of synchronous generators after severe faults. The transient instability causes considerable damage to the generator and reduces the production capacity in the network ...
Ali Abrishami Moghaddam   +2 more
doaj   +1 more source

Economic Aspect of Hvdc Transmission System for Indonesia Consideration in Nuclear Power Development [PDF]

open access: yes, 2009
ECONOMIC ASPECT OF HVDC TRANSMISSION SYSTEM FOR INDONESIA CONSIDERATION ON NUCLEAR POWER DEVELOPMENT. As a country with hundreds million people, Indonesia needs to generate large scale power and distribute it to thorough country to improve gross domestic
Liun, E. (Edwaren)
core  

Modular multilevel converter losses model for HVdc applications [PDF]

open access: yes, 2017
Multi-terminal high voltage dc (HVdc) grids can eventually became a feasible solution to transport energy to remote and/ or distant areas and its exploitation depend, among other things, on the performance of the converter terminals.
Antonio Ferreira, Abel   +1 more
core   +2 more sources

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