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Electric Energy ”Fueling a digital society?”. Arne Nysveen (ed.) Olav Fosso Robert Nilssen Tore Undeland Eilif Hugo Hansen Michael Belsvik. Unique features of electricity. … imagine a modern paper mill without electricity…. Conversion into work 100% efficiency Controllable Precise
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Electric Energy”Fueling a digital society?” Arne Nysveen (ed.) Olav Fosso Robert Nilssen Tore Undeland Eilif Hugo Hansen Michael Belsvik
Unique features of electricity …imagine a modern paper mill without electricity… • Conversion into work • 100% efficiency • Controllable • Precise • Lightning • Clean • High quality • Electrochemistry • Metals • Renewable energy sources • Windpower, hydropower, photovoltanics • ICT • Processing • Transmission • Storage (Norske Skog, Skogn) A. Nysveen/Dept. of Electric Power Engineering
Share of electricity in energy consumption (Source: IEA) (Source: NVE) Energy intensity in OECD economies declines Electricity increases its share of total energy consumption A. Nysveen/Dept. of Electric Power Engineering
World power generation (Source: IEA) New production 1997- 2020: 127 GW/year (350 MW/day) Sustainable? A. Nysveen/Dept. of Electric Power Engineering
Power engineering and ICT System System Energy & Environment Automation Information & Communication Power engineering Process engineering Solid State Physics Mathematics Electromagnetics Thermodynamics Fundamental Fundamental A. Nysveen/Dept. of Electric Power Engineering
Industrial driver is Automation • The integration of measurement, control, and information technologies to manage a process, equipment, or a complex system. • A means to improve the quality, productivity, safety, and consistency of a repetitive or a foreseen series of operations. • A controlled operation of an apparatus, process, or system by mechanical or electronic devices that is replacing or supervening human organs of observation, effort, and decision. (Prof. L. Gertmar/ABB<H) A. Nysveen/Dept. of Electric Power Engineering
Europe, September 28. 2003 57 mill. Italians without power for several hours A. Nysveen/Dept. of Electric Power Engineering
Electricity Technology Roadmap • Collaborative initiative initiated by EPRI (Electric Power Research Institute) • 150 organizations participated (mainly US) • Formed the “Consortium for Electric Infrastructure to Support a Digital Society” – CEIDS • Definition of Roadmap Destinations: • Strengthening Power Delivery Infrastructure • Enabling customer-managed service networks • Boosting economic productivity and prosperity • Resolving the energy/carbon conflict • Managing the global sustainability challenge • Funding need: $5b/year A. Nysveen/Dept. of Electric Power Engineering
Power system complexity How to maintain reliability? (ABB) A. Nysveen/Dept. of Electric Power Engineering
Transmission system • Congestion management • Sensors – smart network • Real-time analysis • Wide-area protection • Self-healing • FACTS • HVDC (EPRI) A. Nysveen/Dept. of Electric Power Engineering
Power electronics in distribution network (Siemens) Outage time reduced from one hour to some milliseconds A. Nysveen/Dept. of Electric Power Engineering
Self-sustaining Micro Grids Islanding in case of power system outage (EPRI) A. Nysveen/Dept. of Electric Power Engineering
Distributed resources (DR) Power generation, energy storage, or load management located close to end users Norwegian perspective: • Used in Micro Grids for Premium Power (ultra reliable, high quality) • Able to supply power for a limited time • Peak sharing • Not installed for base load purposes due to lack of fuel distribution infrastructure and cost (electricity is still cheap in Norway!) (ABB) A. Nysveen/Dept. of Electric Power Engineering
Materials and devices • Increased field strength for AC cables • Extruded cables in HVDC • Increased temperature • Superconductor cables • PM motors to replace induction motors in drives • Reduced cost, size and weight • New applications A. Nysveen/Dept. of Electric Power Engineering
Power electronics • Key technology for advances in power industry. • Loss reduction Transformers • Increased device voltage (SiC, others) • Cost reduction (7%/year) • New devices (super junction) • New role in power distribution A. Nysveen/Dept. of Electric Power Engineering
Norway: Marine and offshore applications • 10% global marked share • Electric propulsion • Oil and gas production subsea • World class technology A. Nysveen/Dept. of Electric Power Engineering