Products

Supergrid Architecture & Systems

Converter-breaker protection strategy

A robust DC grid protection strategy at an affordable price

Converter-breaker protection strategy

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Optimised insertion resistor

Cable voltage restoration after DC fault clearing

Optimised insertion resistor

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Healthy pole control strategy

Converter stations coordination principles

Healthy pole control strategy

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Fast MMC-based line energisation

A novel strategy for HVDC bipole and asymmetrical monopole line fast re-energisaton using half-bridge MMC internal energy

Fast MMC-based line energisation

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Offshore wind power grid connection architecture

Software framework for cost effective design and simulation

Offshore wind power grid connection architecture

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Protection System for Power Flow Controllers

Generic solution for interline PFC devices embedded in HVDC grids

Protection System for Power Flow Controllers

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On-Load Power Flow Controllers Configuration Changer

Reconfiguration device for basic Power Flow Controllers to reach all operating areas

On-Load Power Flow Controllers Configuration Changer

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MMC Virtual Capacitor Control

A novel concept for DC Grid Stabilisation

MMC Virtual Capacitor Control

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MMC energy limits estimator

Real-time calculation of available energy

MMC energy limits estimator

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AC/DC small-signal stability analysis tool

Evaluating the impact of embedded DC grids

AC/DC small-signal stability analysis tool

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Dynamic Virtual Admittance Control

AC-DC system stability control

Dynamic Virtual Admittance Control

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EMT cable model premium fitter

High fidelity rational fitting of frequency transfer function with time delay, ensuring model passivity

EMT cable model premium fitter

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Variable Voltage Droop Control for MTDC

Over & Under Voltage Containment Reserves

Variable Voltage Droop Control for MTDC

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Method for supervising a DC system

Based on discrete event systems theory and classification of operational states

Method for supervising a DC system

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Low level FPGA MMC control

Pipelined bitonic sorting implemented on FPGA

Low level FPGA MMC control

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High dynamics MMC control

Fast, precise and robust arm currents control

High dynamics MMC control

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Pole rebalancing reactor

Symmetric monopole HVDC fault management

Pole rebalancing reactor

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Fast earthing switch for floating MMCs

An adaption of the strategy for HVDC lines fast re-energisation using half-bridge MMC internal energy for symmetrical monopoles

Fast earthing switch for floating MMCs

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Low Ripple Interline Power Flow Controller

Simple device adaptable to any requirement in terms of current and voltage reversibility

Low Ripple Interline Power Flow Controller

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Control and power management of DRU HVDC based offshore WPP

Assessment of existing solutions, proposition of enhanced grid forming control and umbilical cable free black start strategy

Control and power management of DRU HVDC based offshore WPP

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Framework for assessment of DC grid protection systems

Feasibility, performance and risk evaluation methods and tools

Framework for assessment of DC grid protection systems

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High Voltage Substation Equipment

Capacitive Arc Model

Accurate estimation of VFTO in GIS substations

Capacitive Arc Model

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Very Fast Transient Overvoltages Mitigation System

Speed controlled Disconnector

Very Fast Transient Overvoltages Mitigation System

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Simulation numérique de l’écoulement du gaz chaud dans la chambre d’expansion d’un disjoncteur Self-Blast

Simulation numérique de l’écoulement du gaz chaud dans la chambre d’expansion d’un disjoncteur Self-Blast

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Very Fast Transient Overvoltages Mitigation System_II

Parallel RLC Resonator Circuit

Very Fast Transient Overvoltages Mitigation System_II

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Design criteria and simulation methodology for HVDC GIS/GIL

Design criteria and simulation methodology for HVDC GIS/GIL

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Thermodynamic and transport tables for fluoronitrile-CO2 mixtures

Data transfer

Thermodynamic and transport tables for fluoronitrile-CO2 mixtures

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Design & performance validation of 320kV HVDC spacer in GIS/GIL

Design & performance validation of 320kV HVDC spacer in GIS/GIL

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Power Electronics & Converters

Power supply of close gate drive controller for new high voltage power converters

Power supply of close gate drive controller for new high voltage power converters

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Metallised ceramic substrates for high voltage packaging

Partial discharges and breakdown voltage measurements

Metallised ceramic substrates for high voltage packaging

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2F Active Filter for Traction Drive

2F Active Filter for Traction Drive

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DC-DC Converter with High Stepping Ratio

DC-DC Converter with High Stepping Ratio

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High Bandwidth Isolated Transmission of a Measurement

A cost-optimised solution to interface the controller

High Bandwidth Isolated Transmission of a Measurement

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HVDC Cable Systems & Junctions

Y-shaped joint for EHV submarine cable

Enabling a connection between three XLPE submarine cables

Y-shaped joint for EHV submarine cable

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Power storage & balancing

Fast S-shape CFX Method

S-shape calculation time reduction

Fast S-shape CFX Method

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Flared pump-turbine

S-shape calculation time reduction

Flared pump-turbine

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Cavitation at inner turbine runner

Innovative visualisation

Cavitation at inner turbine runner

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