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Fault behaviour of bipolar overhead line based HVDC grids
This paper provides a fault analysis of bipolar overhead line based HVDC grids using HB-MMC converters. The impacts of fault type and fault resistance are shown and the physical behaviour of the transient fault return current is explained.
Power system stability enhancement via VSC-HVDC control using remote signals: Application on the Nordic 44-bus test system
In this paper the benefits of embedded VSC-HVDC links with supplementary controls for small-signal stability enhancement purposes using remote signals are studied and applied on the Nordic Grid.
SuperGrid Institute and the CNAM have signed a framework agreement
SuperGrid Institute is delighted to have signed a framework agreement with the CNAM (Conservatoire National des Arts et Métiers) regarding training and in particular around supergrid and HVDC technologies. This agreement covers lifelong learning, technology research and the provision for scientific and technical proficiency.
SuperGrid Institute and the CNAM have signed a framework agreement
SuperGrid Institute is delighted to have signed a framework agreement with the CNAM (Conservatoire National des Arts et Métiers) regarding training and in particular around supergrid and HVDC technologies. This agreement covers lifelong learning, technology research and the provision for scientific and technical proficiency.
25 kV-50 Hz railway power supply system emulation for Power-Hardware-in-the-Loop testings
This paper presents a methodology to consider the impedance of a grid in power hardware in the loop (PHIL) experiments to validate power converter control in presence of harmonics or resonances in the network impedance. As the phenomena to emulate are in a large frequency range, the skin effect in conductors has to be taken into account. A procedure is developed to model the network.
Modelling of a 25 kV-50 Hz railway infrastructure for harmonic analysis
This paper presents a methodology for the modelling of a 25 kV-50 Hz railway infrastructure, for frequencies from 0 to 5 kHz. It aims to quantify the amplifications of current and voltage harmonics generated by on-board converters into the infrastructure. A circuit is developed to model the skin effect in the overhead line for time-domain simulations. A new approach, based on state space representation and transfer functions, is also proposed to analyse the interactions between trains.
PhD Quentin MOLIN “High Voltage SiC MOSFET Robustness study: threshold voltage shift and short-circuit behaviour”
This manuscript is a contribution to reliability and robustness study of MOSFET components on silicon carbide “SiC”, wide band gap semiconductor with better characteristics compared to silicon “Si” material. Those new power switches can provide better switching frequencies or voltage withstanding for example in power converter. SiC MOSFET are the results of approximately 10 years of research and development and can provide increased performances and weight to some converter topology for high voltage direct current networks.
PhD Quentin MOLIN “High Voltage SiC MOSFET Robustness study: threshold voltage shift and short-circuit behaviour”
This manuscript is a contribution to reliability and robustness study of MOSFET components on silicon carbide “SiC”, wide band gap semiconductor with better characteristics compared to silicon “Si” material. Those new power switches can provide better switching frequencies or voltage withstanding for example in power converter. SiC MOSFET are the results of approximately 10 years of research and development and can provide increased performances and weight to some converter topology for high voltage direct current networks.
SuperGrid Institute’s project selected for Grid2030
SuperGrid Institute and IMDEA joint forces with the support of REE, and created a consortium. This consortium was selected from more than 80 projects. Through the "Reduced Inertia Transient Stability Enhancement" (RITSE) project, SuperGrid Institute will strive to improve the transient stability of the AC networks by coordinating the use of batteries and HVDC links.
SuperGrid Institute’s project selected for Grid2030
SuperGrid Institute and IMDEA joint forces with the support of REE, and created a consortium. This consortium was selected from more than 80 projects. Through the "Reduced Inertia Transient Stability Enhancement" (RITSE) project, SuperGrid Institute will strive to improve the transient stability of the AC networks by coordinating the use of batteries and HVDC links.
