Over- and Under-Voltage Containment Reserves for Droop-Based Primary Voltage Control of MTDC Grids
This paper proposes a comprehensive methodology for determining the converter droop settings to ensure the voltage security in MTDC grid.
Pre-energization concept for overhead lines in MTDC grids using DC Circuit Breakers internal capacitor
This paper proposes an auxiliary circuit for mechanical type DC Circuit Breakers which enables to use the internal energy of the DCCB capacitor for the line pre-energization.
Modified Preisach model of hysteresis in multi air gap ferrite core medium frequency transformer
This article presents the modified Preisach model of hysteresis for a 3-phase medium frequency transformer in a 100 kW dual active bridge converter.
A Novel Distributed Supplementary Control of Multi-Terminal VSC-HVDC Grids for Rotor Angle Stability Enhancement of AC/DC Systems
A distributed supplementary control for embedded Multi-Terminal VSC-HVDC Grids to enhance the transient stability of the surrounding AC grid.
A vision of HVDC key role towards fault-tolerant and stable AC/DC grids
Achieving an efficient and robust AC/DC grids transmission system requires to develop a vision of HVDC role and functionalities in different situations.
Numerical simulation of partial discharge current pulse: Comparison between SF6, Fluoronitrile – CO2 mixture and Fluoroketone – CO2 mixture
Understanding of PD phenomena is mandatory to evaluate the performance of PD measurement systems in function of gas composition.
Measuring small differential-mode voltages with high common-mode voltages and fast transients – Application to gate drivers for wide band-gap switches
In power electronics, gate-voltage measurement is used to optimize the design of the gate driver.
Transient stability of power systems with embedded VSC-HVDC links: stability margins analysis and control
Impact of embedded Voltage Source Converter-based High Voltage Direct Current VSC-HVDC links on AC grids transient stability.
Experimental validation and comparison of a SiC MOSFET based 100 kW 1.2 kV 20 kHz three-phase dual active bridge converter using two vector groups
The Dual Active Bridge appears as a promising DC-DC converter topology when galvanic isolation and bidirectional power flow are required. Among its advantages, Zero Voltage Switching allows the switching losses to be significantly reduced.
AC/DC Dynamic Interactions of MMC-HVDC in Grid-Forming for Wind-Farm Integration in AC Systems
This paper studies the dynamic interactions between the AC grids and the DC system. In this work, we focus on MMC-HVDC links interconnecting offshore wind farms and AC systems.
