Results 111 to 120 of about 792,851 (265)

Power system decarbonisation with Global Energy Interconnection – a case study on the economic viability of international transmission network in Australasia

Global Energy Interconnection, 2018
The electric energy system in Indonesia is undergoing with the challenges of fast-increasing electricity demand, carbon constraints, and rising costs. Using our model of the Australian and Indonesian electrical grids (either separately or interconnected)
Changlong Wang, Roger Dargaville, Matthew Jeppesen   +2 more
doaj   +1 more source

Impedance modeling and stability analysis of a three-phase three-level NPC inverter connected to the grid

CSEE Journal of Power and Energy Systems, 2020
Bo Zhang, Xiong Du, Jingbo Zhao, Jiapei Zhou, Xiaoming Zou   +4 more
doaj   +1 more source

Chance-Constrained AC Optimal Power Flow Integrating HVDC Lines and Controllability

, 2019
The integration of large-scale renewable generation has major implications on the operation of power systems, two of which we address in this work.
Barre, Adelie, Chatzivasileiadis, Spyros, Halilbasic, Lejla, Roald, Line, Venzke, Andreas   +4 more
core   +1 more source

Comparison and analysis of the fault arc characteristics of flexible DC transmission lines

The Journal of Engineering, 2019
VSC-HVDC grid is one of the important development directions of the smart grid in the future. The arc characteristics of transient fault on the transmission line are the theoretical basis for determining reclosing time and reclosing strategy of DC ...
Botong Li, Hanqing Cui, Yichao Liu, Bin Li   +3 more
doaj   +1 more source

An Intelligent Frequency Control Scheme for Inverting Station in High Voltage Direct Current Transmission System

Engineering Reports
Power system stability is crucial for the reliable and efficient operation of electrical grids. One of the key factors affecting power system stability is the frequency of the alternating current (AC) system while connected with High Voltage Direct ...
Saleem, Muhammad Amir Raza, Syed Waqar Umer, Muhammad Faheem, Touqeer Ahmed Jumani, Muhammad Yameen   +5 more
doaj   +1 more source

Comparison between two VSC-HVDC transmission systems technologies : modular and neutral point clamped multilevel converter [PDF]

, 2009
The paper presents a detail comparison between two voltage source converter high voltage dc transmission systems, the first is based on neutral point-clamped (also known as HVDC-Light) and the second is based on innovative modular multilevel converter ...
Adam, G.P., Anaya-Lara, O., Burt, G.M., Finney, S.J., McDonald, J.R., Williams, B.W.   +5 more
core  

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

Control Strategy and Small Signal Stability Analysis of the Direct-Drive Wind Farm Transmitted Through the HC-HVdc System Under No Synchronous Power Support Conditions

IEEE Access
The hybrid cascaded high voltage direct current (HC-HVDC) technology, which combines the advantages of the line commutated converter-based HVDC (LCC-HVDC) and the modular multilevel converter-based HVDC (MMC-HVDC) technologies, is one of the most cost ...
Qin Wang, Yongjie He, Mengyao Xu, Jincan Zeng, Binghao He, Rongfeng Deng, Xi Liu, Guori Huang, Yuanzhe Zhu, Minwei Liu   +9 more
doaj   +1 more source

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