Results 111 to 120 of about 18,021 (222)

Impact of DC protection strategy of large HVDC network on frequency response of the connected AC system [PDF]

, 2018
Integration of renewable energy generations requires the transmission of bulky power over long distance and HVDC transmission systems become a more preferable choice compared to conventional HVAC systems.
Rahman, M. H., Wang, Y., Xu, L., Zhou, D.   +3 more
core  

Control and Limit Enforcements for VSC Multi-Terminal HVDC in Newton Power Flow

, 2017
This paper proposes a novel method to automatically enforce controls and limits for Voltage Source Converter (VSC) based multi-terminal HVDC in the Newton power flow iteration process.
Cui, Hantao, Li, Fangxing, Yuan, Haoyu
core   +1 more source

Global Tracking Passivity--based PI Control of Bilinear Systems and its Application to the Boost and Modular Multilevel Converters

, 2015
This paper deals with the problem of trajectory tracking of a class of bilinear systems with time--varying measurable disturbance. A set of matrices {A,B_i} has been identified, via a linear matrix inequality, for which it is possible to ensure global ...
Bergna, G., Cisneros, R., Ippoliti, G., Molinas, M., Ortega, R., Pirro, M.   +5 more
core   +4 more sources

Reactive power sensitivity-based novel overvoltage suppression strategy for parallel VSC-and-LCC-HVDC transmission system

International Journal of Electrical Power & Energy Systems
The rapid deployment of both line-commutated converter-based high-voltage direct current (LCC-HVDC) and voltage source converter-based high-voltage direct current (VSC-HVDC) does not only prolificate AC/DC grid coupling but also form new DC transmission ...
Yi Hao, Lujie Yu, Chuanjie Nie, Fengdi Li, Heyu Luo   +4 more
doaj   +1 more source

Modular multilevel converter based LCL DC/DC converter for high power DC transmission grids [PDF]

, 2015
This paper presents a modular multilevel converter (MMC) based DC/DC converter with LCL inner circuit for HVDC transmission and DC grids. Three main design challenges are addressed.
Aboushady, Ahmed, Ahmed, Khaled, Jovcic, Dragan   +2 more
core   +1 more source

A hybrid multilevel converter for medium and high voltage applications [PDF]

, 2010
This paper investigates the suitability of the hybrid multilevel converter for medium and high voltage application. The converter operation, modulation, and capacitor voltage balancing method are described in detail.
Adam, Grain Philip, Ahmed, Khaled, Finney, Stephen, Singh, N.K., Williams, Barry   +4 more
core  

Short-term Optimal Scheduling Model for Hydropower Stations Considering Peak Shaving of Local and HVDC Receiving Power Grids

Renmin Zhujiang
In the face of the increasingly severe peak shaving pressure on both sending and receiving power grids of the high voltage direct current (HVDC) of large-scale hydropower stations,a short-term optimal scheduling model that takes into account peak shaving
ZHOU Binbin, ZHANG Congtong, LIU Benxi, CHENG Chuntian, CHEN Kai, WANG Youxiang   +5 more
doaj  

DC protection coordination for multi‐terminal HB‐MMC‐based HVDC grids

IET Renewable Power Generation
Fast progress of High Voltage Direct Current (HVDC) technology has been considerable over the past decades. Emerging Modular Multilevel Converter (MMC) provides power systems with promising solutions to integrate large‐scale renewable energy sources, as ...
Seyed Hassan Ashrafi Niaki, Zhe Chen, Birgitte Bak‐Jensen, Kamran Sharifabadi, Zhou Liu, Shuju Hu   +5 more
doaj   +1 more source

Improved one-dimensional residual network high-voltage DC diagnosis for high-precision fault identification. [PDF]

PLoS One
Li R, Zhang X, Hao W, Wang T.
europepmc   +1 more source

Enhancing stability in renewable energy transmission using multi-terminal HVDC systems with grid-forming controls for offshore and onshore wind integration. [PDF]

Sci Rep
Shufian A, Hossain MI, Anonto HZ, Rohan AI.   +3 more
europepmc   +1 more source