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Large-scale hydrological models, simulating the terrestrial water cycle on continental and global scales, are fundamental for many studies in earth system sciences. However, due to imperfect knowledge of real world systems, the models cannot be expected to capture all aspects of large-scale...

This paper elaborates a concept for designing efficient large scale hydrogen liquefaction plants, based on dividing the process into 4 independent stages and finding the optimum solution for each stage. The main focus is put on the precooling stage. Not because of its power consumption, but because...

The development and implementation of an offshore grid [1] will have wide consequences to the onshore grid and its transmission expansion planning (TEP). A combined TEP for both on- and offshore is strongly necessary for large scale integration of wind energy in Northern Europe. Two TEP...

This paper describes results from a demonstration study utilising an integrated approach (SAMREL) for reliability of electricity supply analysis. The SAMREL methodology is based on a power market simulator (EMPS), a power system simulator (PSSTME) and the OPAL1 methodology for reliability and...

Large-scale integration of renewable energy sources in today's European hydro-thermal dominated power system will challenge its future operation. In Northern Europe wind power production is expected to contribute the main share to renewable energy sources. Wind forecasting and its inherent forecast...

This paper presents an experimental study of positive streamers in paraffinic model oil in a point-plane gap. The investigation was performed concerning the influence of voltage, impurities and additives. It was seen how increased voltage changes streamer shape and speed resulting in different...

This report presents the results from the project called " Utilisation of weather radar data in atmospheric and hydrological models" funded by NFR and Energy Norway This report synthesizes the different rainfall products we can provide: radar, kriged data, combination of radar and raingauges data...