Our scientific publications
Power Losses Measurement Method for High Efficiency MV Oil-Insulated DC-DC Converter
The accurate measurement of low power losses is not possible with traditional electrical input-output power measurements.
Design Guidelines for a DAB Converter Incorporating a Multilevel Bridge with Quasi-2-Level Operation
The Dual Active Bridge with quasi-2-level operation is analyzed as a potential candidate for efficient DC-DC converters.
Comparison of 2-Level and Quasi-2-Level Topologies in a Bidirectional Isolated DC-DC Converter for MVDC Networks
This paper presents a comparative analysis of bridge topologies suitable for medium–voltage (10-40 kV), isolated DC-DC converters.
An AC fault ride-through control of modular multilevel converters for HVDC systems
This paper proposes a modified threshold virtual impedance control to ensure an AC fault ride-through for modular multilevel converters.
Options for mitigating converter blocking during clearance of DC faults
The Network DC project aims to advance industry readiness to deploy DC Circuit Breakers (DCCBs) and develop offshore HVDC networks.
Study of internal faults in the solid-state switch transfer branch for modularised hybrid DC circuit breakers
This paper studies the effects of internal faults in hybrid DCCBs, which appear as a leading technology with installed units operating at 535 kV and breaking current capabilities of 25 kA.
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.
