DC Circuit Breaker Feasibility Study – Protection System Design
This paper outlines the findings from the alpha phase of the "Network DC" project, focusing on the design of a protection system that utilizes DCCBs in UK.
Dielectric strength of liquid nitrogen for the design of Resistive Superconductive Fault Current Limiters
Resistive Superconductive Fault Current Limiters are protection devices that can be used on AC and DC grids to reduce the amplitude of fault currents.
Generalized Switching Sequence for Voltage Balancing in a Flying Capacitor DC-DC Converter with Quasi-2-Level Modulation
A generalized voltage balancing algorithm is proposed for a multilevel flying capacitor bridge used in a dual active bridge medium voltage DC-DC converter with quasi-2-level modulation.
Impact of renewable energy generation on power reserve energy demand
This work focuses on analysing the relationship between reserve energy demand and load, wind and solar generation.
Superconducting Cable Modelling into Electro-Magnetic Transient Simulation
The European project SCARLET aims to study and realize a demonstrator of a MVDC high-power superconducting cable.
Fault detection and location in floating windfarms with fishbone inter-array architecture
Development of a traveling wave-based protection strategy to enhance the fault-locating capabilities of the array grid’s protection system.
DC Voltage Stability Analysis and Enhancement for Grid-Forming-Based MTDC Systems
This letter first identifies a new mode of low-frequency harmonic instability when combining grid-forming control with the typical dc voltage droop control necessitated in multiterminal high voltage direct-current transmissions.
Managing turbine fatigue while maximizing solar energy use: adding a battery to the system
The use of a 15-minute solar forecast obtained from real-time sky video is analysed to minimize this overloading of the actuators.
Performance investigation of SF6 free Gas Insulated DC Systems
A solution to replace SF6 in high voltage equipment is the mixture of Fluoronitrile C4F7N with CO2 and O2.
Switching losses calculation method for modular multi-level converters using half-bridge submodules
This paper proposes a simulation-based method for calculation of losses on any converter topology based on stacks of half-bridge submodules balancing accuracy and computing time.
