Performance investigation of SF6 free Gas Insulated DC Systems
A solution to replace SF6 in high voltage equipment is the mixture of Fluoronitrile C4F7N with CO2 and O2.
Electrical Breakdown in Gaseous Nitrogen at Cryogenic Temperature with a Heated Tape Electrode
With the objective to better understand and design the electrical insulation of resistive superconducting fault current limiters...
Static frequency converter for hybrid pumped storage power plant with integrated energy storage system
Pumped storage plant (PSPs) are considered as the most mature and reliable technology for bulk storage energy with low CO2 footprint.
Methods for Partial Discharge Calibration in Gas-Insulated Substations for HVDC Power Grids and Charge Evaluation Uncertainty
This paper shows a Partial Discharge calibration method for very-high frequency magnetic and electric sensors in GIS.
Comparison of Modular Multilevel Converter and Neutral Point Clamped Converter for MVDC applications
This article presents a comparison between the 3-Level NPC and Modular Multilevel Concerter topologies for MVDC networks.
North Sea Wind Power Hub pre-FEED study: DC Control Functional Requirements and Parameter Ranges for HVDC Building Blocks
This paper addresses several key DC grid control functional requirements.
North Sea Wind Power Hub pre-FEED study: DC Protection Functional Requirements and Parameter Ranges for HVDC Building Blocks
A methodology to define functional requirements and parameter ranges for HVDC building blocks such as converters and switching stations based on Simplistic Test Benchmarks (STB).
Wind Power Hub pre-FEED study: HVDC grid active power loss and restoration requirements based on AC frequency stability assessment
In order to decarbonize the European electricity production, the European Commission set an ambitious target of 300 GW of offshore wind capacity by 2050.
Energy based and non-energy based control strategies for Modular Multilevel Converter with embedded storage
This paper deals with an HVDC system based on MMC with embedded storage capacity of 10%.
Comparison between DC Voltage Droop Schemes and Grid-Following & Grid-Forming Control in AC Systems in View of Interoperability of MTDC grids
The analysis shows that specifying both static and dynamic characteristics of droop-controlled stations is crucial for the security of the DC grid.
