DC time constant evaluation for HVDC GIS cable accessories
This paper presents its evaluation through simulations in a cable GIS termination under different conditions.
Characterization and modelling of interface between Epoxy Resin materials and different gases for HVDC GIS cable termination development
GIS cable terminations present a complexity of geometry and material assembly that makes their design challenging.
Novel leakage current sensor for non-intrusive dielectric state assessment of HVDC cables
This paper proposes a monitoring principle based on leakage current measurements to monitor the state and health of HVDC cable dielectric.
Circuit based implementation of the Universal Line Model in Matlab/Simulink
This paper presents an improved version of the Universal Line Model (ULM) also known as Wide-Band (WB) model.
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 medium voltage dc 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.
