Nos publications scientifiques
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.
Present and Future of DC Circuit Breakers for HVDC Grids
The development of DC Circuit Breakers (dcCB) for high-voltage direct current (HVdc) transmission systems poses significant challenges. Discover the latest advancements aimed at achieving low loss, high power density, and affordability in mission-critical applications.
Assessment of two DC voltage droop options for small-signal stability in MMC-based multi-terminal DC grids
This paper addresses stability issues in multi-terminal HVDC grids with different control strategies for DC voltage regulation. Small-signal analysis compares the robustness of two control options, examining the impact of droop gain, control loop response time, and DC reactors. Findings are validated through EMT simulations.
Design of a single branch of energy storage submodules con-nected to HVDC systems to support AC grids
Design of a single branch of energy storage [...]
CO2 Footprint of Medium Voltage DC Solid State Transformer
Power converters are essential for renewable energy integration, and this study uses Life Cycle Assessment to evaluate the environmental impact of a DC Solid State Transformer. The use phase generates the most emissions, which will decrease as electricity decarbonizes. An optimal operating frequency is identified by factoring in carbon tax, with future economic costs of emissions expected to rise.
Methodology to define the arm inductance range in a Modular Multilevel Converter station for HVDC applications based on steady-state and DC pole-to-pole fault
This paper proposes a methodology to define the arm inductance range in modular multilevel converters (MMC) for HVDC applications, considering both steady-state performance and DC pole-to-pole faults. It includes a sensitivity analysis and simplified MMC model for calculating fault currents.
MVDC technologies for solar application
Explore how medium voltage DC (MVDC) technologies address the challenges of integrating remote and distributed photovoltaic (PV) plants into the grid. This paper discusses the technical solutions, including DC/DC converters and protection systems, necessary for effective MVDC integration.
A DCDC converter for centralized energy storage in HVDC applications
Discover a modular DCDC converter designed for integrating large energy storage systems (ESS) with HVDC links. This innovative approach addresses voltage fluctuations and stability in high-voltage applications.
An enhanced static converter with integrated energy storage for pumped storage plants
Explore an advanced static frequency converter with integrated energy storage for pumped storage hydropower. This innovation enhances system flexibility and cost efficiency.
Breakdown and partial discharge in dry air under non-uniform electric field for MVDC applications
Examine the breakdown and partial discharge behavior in dry air under non-uniform electric fields for medium voltage direct current (MVDC) applications. This study compares experimental and simulation results to assess insulation performance
