Insulating materials characterization for the development of MV/HV DC equipment
This paper shows the importance of materials characterization in order to ensure correct estimation of the electric field distribution.
Secondary arc extinction in AC/DC overhead lines
This paper focuses on a specific issue on hybrid AC/DC overhead lines: the extinction of the secondary arc current of a faulted DC pole.
Rapid Evaluation Method for Modular Converter Topologies
This paper proposes a set of KPIs related to the cost and footprint of the converter and a procedure designed...
Enhancing voltage rating of standard power modules for harsh environment applications
We describe and demonstrate a simple solution which allows to extend the capability of a standard power modules package to higher voltages.
Fault current calculation in MTDC grids considering MMC blocking
In this paper, a generic fault current calculation method based on coupled differential equations is proposed which is valid for both blocked and unblocked states of the MMC.
Thermal simulations and measurements of 3-phase medium frequency transformer in 100 kW DC-DC converter with 99.2% efficiency
This article deals with a 100 kW dual active bridge (DAB) DC-DC converter and a 20 kHz 3-phase medium frequency transformer (MFT).
Case study of dc-MMC interconnecting two HVDC lines with different grid topologies
This paper presents a case study of a non-isolated dc-dc converter interconnecting the NordLink and Cobra cable projects.
Partial discharge measurement in DC GIS: comparison between conventional and UHF methods
The aim of this paper is to investigate the partial discharge signals recorded with both conventional and UHF methods in DC voltage.
DC segmentation: a promising solution to improve angle stability of stressed power systems
The DC segmentation segment large AC grids into a set of asynchronously operated AC grids interconnected by HVDC links.
Analysis and design of modular multilevel converters with partial integration of energy storage systems
This paper presents a novel design methodology for a 3-phase Modular Multilevel Converter with partial integration of energy storage.
