Impact of MMC temporary blocking functionality on DC grid protection design
This paper presents a DC grid protection design principle considering MMCs feature temporary blocking capability.
Enhancing AC line emulation controls for improved inter-area oscillation damping and application to multi-terminal DC grids
By emulating AC line behavior, HVDC systems can adjust active power flows in real-time, improving system performance during contingencies.
Contributions to DC fault ride-through in MTDC grids with MMC stations in grid-forming control considering impacts on AC system stability
DC faults in High Voltage Direct Current (HVDC) systems can significantly impact AC grid stability, especially in MTDC grids.
Addressing intra-area oscillations and frequency stability after DC segmentation of a large AC power system
This paper studies the use of DC segmentation with HVDC systems based on VSC-HVDC with active and reactive power supplementary controllers in the converter stations.
Active voltage balancing by turn-off delays regulation for multiple series-connected SiC MOSFETs
This article proposes an active voltage balancing approach for a stack of N SiC MOSFETs, achieved through precise adjustment of turn-off delays based on real-time voltage feedback.
Standardized Model Exchange of HVDC Equipment for RMS and EMT Simulations
This paper provides an insight into the research activities held in the HVDC-WISE project towards creation of a public library of models of HVDC equipment, based on IEC CIM standards.
A Novel Empiric Model-Based Classification Algorithm for Fault Detection in DC Railway Systems
This paper proposes a new advanced Fault Detection Algorithm (FDA) capable of overcoming the limitations of the protection system nowadays deployed in DC railways systems.
Glow-to-Arc Transition in Graphite cathode with High-Current Magnetron Discharge
The glow‐to‐arc transition is a critical phenomenon in plasma discharges, commonly leading to detrimental effects.
Investigations on the Effects of DC Voltage Control on Inertia Provision in HVDC Converter Stations
This paper first demonstrates that if there is only one station in charge of DC voltage control, this station cannot provide any real inertia power during frequency events but instead adversely produces a small equivalent negative inertia.
Feasibility study and application of electric energy storage systems embedded in HVDC and STATCOM systems
The global acceleration of Energy Storage (ES) Systems integration, including batteries and supercapacitors, is transforming power systems. This brochure offers valuable insights into converter topologies, modeling, and the benefits and challenges of integrating ES in HVDC and STATCOM systems.
