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Interarea Oscillation Damping Using Active-Power Modulation of Multiterminal HVDC Transmissions
Analytic investigations of interarea oscillation damping of an idealized two-machine system using active-power modulation of three- and four-terminal high-voltage dc (HVDC) transmissions areExpand
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DC Grid Control Through the Pilot Voltage Droop Concept—Methodology for Establishing Droop Constants
Converter control is an important aspect of voltage-source-converter high-voltage dc (VSC-HVDC) based multi-terminal dc grids. Variants of power drooped against dc voltage control have previouslyExpand
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  • Open Access
An Alternative Method to Build DC Switchyard With Hybrid DC Breaker for DC Grid
In this paper, a new dc switchyard structure for a multiterminal dc (MTDC) grid is proposed. Fast fault current breaking capability, which is essential for a dc grid, can be achieved with availableExpand
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Multi-Terminal DC System line Protection Requirement and High Speed Protection Solutions
For long distance and high power transmission, high-voltage direct current (HVDC) transmission is a preferred solution due to its technical and economic advantages. A multi-terminal HVDC (MTDC)Expand
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  • Open Access
Zoning in High Voltage DC (HVDC) Grids using Hybrid DC breaker
Inter-regional dc grids can be defined as systems characterized by multiple protection zones. The build-up and operation of large dc grids will require isolating healthy sections or zones of theExpand
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  • Open Access
A research project to investigate the impact of electricity system requirements on the design and optimal application of the Powerformer/sup TM/
This paper describes the aims and the methodology of a major collaborative research project between the University of Queensland and Australian and Swedish industry partners, including ABB CorporateExpand
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Distributed power flow analysis for hybrid AC/HVDC grids by network decomposition
This paper proposes a distributed method for solving power flow problems for hybrid AC/HVDC grids using network decomposition. The hybrid system is decomposed at the AC side point of common couplingExpand
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On the Nature of Voltage Impasse Regions in Power System Dynamics Studies
This paper presents a fundamental study of voltage collapses that occur on a post-fault trajectory of a stressed power system in seconds after large disturbances. The focus of the study are voltageExpand
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On the Nature of Voltage Impasse Regions in Power System Dynamics Studies
This paper presents a fundamental study of voltage collapses that occur on a post-fault trajectory of a stressed power system in seconds after large disturbances. The focus of the study are voltageExpand
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Continental Overlay HVDC-Grid
In a two terminal HVDC-transmission the load flow is fully controlled, whereas in a meshed dc-grid it might not be possible to directly control currents in all lines. Buses connected to largeExpand
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  • Open Access