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Biggest drivers - cost of energy - climate change , sustainability , security of supply

Biggest drivers - cost of energy - climate change , sustainability , security of supply Floating platforms high power rating Biggest challenges - proof reliability ( communicate experience ) - acceptance -New standards , testing codes Biggest benefits

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Biggest drivers - cost of energy - climate change , sustainability , security of supply

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  1. Biggest drivers -cost of energy -climatechange, sustainability, security of supply Floatingplatformshighpower rating Biggestchallenges -proof reliability (communicateexperience) -acceptance -New standards, testingcodes Biggest benefits Cheaperenergy, sustainability, stable

  2. A) HTS • challenges: • Cost (even for Roebel, striatedconductors) • Chicken-egg-problem • Prototypes • Benefits • Lowcoolingpowerconsumption • LTS-approachwill be difficult in terms of coolingheatload (torque) • 1G will be out (Ag-price) • 2G shows highest performance • MgB2 haslowestthermalstability – problem to cope

  3. B HTS cable • 10…20…50 km: notatpresent (long lengthcoolingproblem)

  4. C HTS-Genos • Grading of wires • Appropriate use of iron

  5. D Cryogenicsystems • Investnearly the sameamount of money in HTS as in cryocoolers • 1 plannedoutage per yearis OK, but more willkillanyadvantage • Redundancy of coolingsystem

  6. E Sc. Windturbines • Bulk materialadded?

  7. F prototypes • Nextprototypeswill be 15 MW onshore • Problems on floatingplatforms? • Lifetime of systems

  8. G maintenance, repair, safety • Percentage of maintenanceisabt. 30% of CoE

  9. H cost & market -chicken-egg-problem -grading of conductors -performance increasewouldimprove design and reduce wiredemand

  10. K others • Is toolbox of EU suitable for promoting the technology • EU willnotinterfere with nationalstrategy • Memberstatesshould use the existingtools (EERA) • Politicalcommittmenthas to be achieved in the memberstates • Look for synergies with e.g. hydropower • Barcelona-meeting agreed on test field for WT. Isthis a chance for HTS, too? • In the US thereis an approach to increase TRL; thereeis the need for a field test (in a wind farm). • In UK thereis a test facilitynear Newcastle • Committment from tape suppliers, utilities, WT-mfgs, etcisnecessary

  11. K others • Q:May offshore-wind be a push for oceanenergy? • A: Tidalenergy, yes.Advantage: predictable!

  12. Sc. WT of tomorrow (polishing the glasssphere) • Power rating >8 MW…20 MW • Horizontalaxis • Wire: MgB2, 2G • Number of poles: 6…20? • Iron(exceptbackiron): (probably) not • Gearbox: probably yes (low stage) • Cooling/temperature 15K…20K, 30K…50K • Step-upxfer, inverter, steady powersupply • Foundation: floating, far offshore • Cluster size: 10…50 (tot.powerabt. 500MW) • Separation: 2km for 10MW (?) • Market size: +120 GW (2030) • Storage on site: probably not

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