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POWER SUPPLY FOR SKA: a technological challenge .

POWER SUPPLY FOR SKA: a technological challenge . Dr. Germano Bianchi INAF-IRA. Rome SKA Meeting, 19-20 June 2012.

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POWER SUPPLY FOR SKA: a technological challenge .

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  1. POWER SUPPLY FOR SKA: a technologicalchallenge. Dr. Germano Bianchi INAF-IRA Rome SKA Meeting, 19-20 June 2012

  2. The winwinsolutionwillbring the construction of the SKA radiotelescope in two remote areas(South Africa and Australia). The systempowersupplywillrepresent a technologicalchallenge. AUSTRALIA SOUTH AFRICA Low frequency band Medium-High frequency band

  3. Power generation technologies Green energy: • Hydrocarbons • Gas • Petrol • Carbon • PV solar panel • Solar thermodynamic • Wind turbines • Hydroelectric • Biomasses Nuclear

  4. Green energysolution The more suitable solution is the green energy. • Advantagies: • Itis a free energy • Local generation: • Itdoesnotneedpowergrid • No fueltransportation • No CO2emission Disadvantagies: Discontinuous generation POWER STORAGE

  5. Presentstoragesolutions Batteries Hydrogen Thermal (chemical salt) Flywheel Flywheel

  6. PowerRequirements (powerconsumptionestimated in SKA phase II) AA-mid: 30 MW Dishes:15 MW Central site/infrastructure: 10 MW Super computers and facility: 40 MW AA-low: 10 MW

  7. PowerRequirements POWER (MW) TOTAL: 105 MW 920 GWh/year

  8. Processing Engines currently available

  9. Self-poweredsolution …. PV Battery charge controller DC-DC converter Solar charger Front-end

  10. Conclusion • Solar and wind at present seems to be the more suitable renewable energy to be exploited for SKA • Storage technologies need to be deeply investigated • In the design phase, reliability and low power consumption must be one of the more important constraints to be considered. THANK YOU

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