Smart Grid m Yumiko Kimezawa August 12, 20111Colloquium

Outline Background What’s Smart Grid ? Goal of Smart Grid Conceptual diagram Smart meter Drawback of Smart Grid Conclusion August 12, 2011Colloquium2

Background August 12, 2011Colloquium3 Traditional electric power Thermal power plant -Burn coal -Burn heavy oil CO2 emission Alternate energy Solar electricity Wind power Affected by the weather Smart Grid Stable electric power supplies

What’s Smart Grid ? Introduction of IT into a grid ( power network) -Controlling flow of electricity from both supply side and demand side -Optimizing the use of electric August 12, 2011Colloquium4

Goals of Smart Grid 1.Monitoring amount of power used at office or home in detail 2.Holding electrical needs constantly 3.Adjusting to production of electricity in detail 4.Monitoring production of electricity in unstable way (Solar electricity, Wind power) 5.Management of electric power selling 6.Countermeasure for electrical power saving August 12, 2011Colloquium5 Decrease of wasteful energy production Reducing emissions of CO2 Low loss of electrical energy Advantages

Comparisons with traditional grid August 12, 2011 Colloquium 6 Traditional grid Supply Demand Smart grid Supply Demand Supply : Information and telecommunications networks Flow of electricity : Information and telecommunications networks Flow of electricity ( ※ Some is supply) EV

Smart meter Electrical power meter for the realization of Smart Grid -Monitoring electricity use of any houses or business offices -Reporting to electrical power companies on monitoring results -Having functions such as adjusting electricity use automatically August 12, 2011Colloquium7 If smart meters become popular Holding electricity use at any time become possible -It’s not necessary to read electricity use by people Detailed distribution of electrical power -Cutting wasteful plants for electrical generation

Drawback of Smart Grid August 12, 2011Colloquium8 Security -Infrastructure of Smart Grid Advanced communication systems and techniques -Insufficient measures towards security It is essential to overcome vulnerability of security But

Conclusion Smart Grid is useful for future generations -Global heating countermeasure -Planned blackouts countermeasure In Japan, Smart Grid will be planning gradually Smart Grid is facing the problem of security August 12, 2011Colloquium9

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Conceptual diagram August 12, 2011Colloquium11 Hydroelectric plant Wind power plant Atomic power plant Thermal power plant Photovoltaic power plant Electric vehicle Office building Factory Charging facility for EV Controlled by IT Substation Houses Rechargeable battery Control for electric transmission Flow of electricity Controlled by IT Equipment for saving energy Commerce facility Solar panel

Smart meter Electrical power meter for the realization of Smart Grid Concept holding electrical needs and the situation of generating electricity in detail and Allocating them to every demands in an optimal condition August 12, 2011Colloquium12