Impact of cable modeling in electromagnetic transient simulations of MVDC systems
This paper explores how choice of the cable system model may impact the simulated electromagnetic transient response of a MVDC system under fault situations.
DC time constant evaluation for HVDC gas insulated system cable connection assemblies
DC time constants in different parts are computed and presented in this paper for a cable GIS fluid filled connection assembly.
Direct current circuit breaker with adjustable current injection
New DC interrupting principle adjusts the injected counter current to use the vacuum bottle’s interruption capability under optimum conditions.
Fault ride through of dc solid state transformer in MVDC systems
This article introduces the MVDC network fault ride-through (FRT) requirement and the response of a DC solid state transformer is analyzed.
From pole-to-ground fault current return paths in a meshed HVDC network to a grounding modelling simplification for protection studies
This article deals with fault currents return paths in case of pole-to-ground fault in a grounding configuration using surge arresters in all stations except one, which is solidly grounded.
Design and Testing of a Compact Dry Insulated Medium Frequency Transformer Prototype for Medium Voltage Applications
High efficiency and power density for such transformers are the key drivers for applications in datacenter and EV charging.
Design of Oil Insulated SiC Diode Rectifier for an MVDC SST
Integration of the MV and medium frequency diode rectifier in terms of cooling, dielectric design & chemical compatibility, relying on printed circuit board technology.
Anhydride-free epoxy material for HV insulation
This work proposes a new formulation of anhydride free epoxy composite, for HV AC/DC application.
Impact of self-sputtering in high power impulse magnetron sputtering (HiPIMS) with helium
In this paper, we focused on the electrical characterization of the helium magnetron plasma operated at average gas pressure (5 Pa) with a molybdenum target.
New Model-Based Algorithm for Fault Detection and Identification in DC Railway Systems
In this paper, a new model-based Fault Detection Algorithm (FDA) is proposed.
