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Ostkroft, "The EDISON Project," in Electric Vehicle Integration Into Modern Power Networks, DTU, Copenhagen, 2010
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Ostkroft, "The EDISON Project," in Electric Vehicle Integration Into Modern Power Networks, DTU, Copenhagen, 2010

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  • 1. EDISON Maja Felicia Bendtsen, Østkraft Electric Vehicle Integration Into Modern Power Networks September 2010
  • 2. 2020 targets Energy consumption -30 % energy production from renewables 250 -20 % reduction in CO2 emission compared 200 1980 to 1990 150 1990 PJ 100 2000 -20 % higher energy efficiency 2008 50 0 Trade Production Household Transport The transport sector keeps increasing its Energy for transport, energy consumption. spread on types Road transport and air traffic have both 140 increased their energy consumption notable. Index (1990=100) 130 120 Road 110 100 Railway However energy for road transportation Air traffic 90 80 Shipping accounts for more than 75 % of the total 70 amount of energy used for transport, air traffic only accounts for 15-18 %. 90 94 98 02 06 19 19 19 20 20
  • 3. EVs contributes to meeting the 2020 targets 1x CO2 Kilde: Energinet.dk Ca. 2 x CO2 + EV Pow er from w ind CO2-quota Diesel Hydrogen Energy effeciency Petrol Biofuel, 2.g. 0% 20% 40% 60% 80% 100% Source: Energinet.DK and Danish committee for electric vehicles
  • 4. Load in kW on 10/0,4 kV station with ~50 consumers 12 :0 0 50 100 150 200 250 0 0 1 AM :0 0 0 2 AM :0 0 0 3 AM :0 0 0 4 AM :0 0 0 5 AM :0 0 0 6 AM :0 0 0 7 AM :0 0 0 8 AM :0 0 0 9 AM :0 0 1 0 AM :0 0 1 1 AM :0 0 1 2 AM :0 0 0 1 PM :0 0 Simple charge Time 0 2 PM :0 0 Normal load 0 3 PM :0 0 0 4 PM :0 0 0 5 PM :0 0 0 6 PM :0 0 0 7 PM :0 0 0 8 PM :0 0 0 9 PM :0 0 1 0 PM :0 0 1 1 PM :0 0 1 2 PM Extra load for EVs :0 0 AM Load in kW on 10/0,4 kV station with ~50 consumers 01 :0 0 20 40 60 80 100 120 140 160 180 0 02 AM :0 0 03 AM :0 0 04 AM :0 0 05 AM :0 0 06 AM :0 0 necessary? 07 AM :0 0 08 AM Extra load for EVs :0 0 09 AM :0 0 10 AM :0 0 11 AM :0 0 12 AM :0 0 01 PM :0 0 02 PM :0 Time 0 Controlled charge 03 PM Normal load :0 0 04 PM :0 0 EVs induce strains in the distribution grid 05 PM Why is controlled charge :0 0 06 PM :0 0 07 PM :0 0 08 PM :0 0 09 PM :0 0 10 PM :0 0 11 PM :0 0 12 PM :0 0 AM
  • 5. Creation of Smart Grid Strained More production from distribution grid renewable sources Smart Grid
  • 6. Power system 1 – Balance between production and load • Traditionally production has been adapted to load • With wind turbines and other renewables power production becomes more intermittent • In future part of the load should be adjusted to fit production
  • 7. Power system 2 – Structure of the grid is changing • Traditionally the grid have had a top-down structure from production to load • In future, because of renewables, part of the production will be decentralised – Future scenarios Source: Nyhedsbladet Dansk Energi nr. 8, juni 2010 • Business as usual: The increasing amount of production from renewables and change in load for EVs, heat pumps etc. will bring investments of 7.7 bn. DKK • Smart Grid: Necessary investments of 9.8 bn. DKK, but socio-economic value of 8.2 bn. DKK. Therefore Smart Grid is the smartest approach
  • 8. EVs are potential flexible consumption • Flexible consumption is a key element in Smart Grid • On average cars are parked 20 hours a day – As much as 16 hours is typically at home • EVs will need to charge 1-4 hours a day, dependent on usage and charging power • If the user of the EV is given good incentives the flexibility could be used in the power system
  • 9. WP1 Electric Vehicle technology •EV technology •Energy consumption •Battery size •Charging power •Driving patterns •Market potential
  • 10. WP2 System architecture design for EV systems Power flow Trade/Contract Fleet Operator based charging Billing Comm Energy Market Power producer [MWh] Retailer Meter Fleet TSO DSO operator CS Com- munication Identification Ancillary service [MW] Meter
  • 11. WP3 Distributed integration technology development •Develop VPP software •Integrate SCADA system information •Integrate production data from renewables •Integrate SoC and time of use from EV •Compute charging schedule, which is send to the EV/charging spot
  • 12. WP4 Central Fast-Charging and Battery-Swapping Stations Development •Central Fast-Charging •Influence on battery life time •Charging alcorithms •Grid perspective •Tested at Risø DTU Syslab during WP6A
  • 13. WP5 EV communication •Communication with the EV •Identification •SoC •Choice of charging type •Instant •Delayed /Controlled •Charging schedule Kilde:
  • 14. WP6A+B Demonstration •Pre-Test •Charging schedule for controlled charge •Real-life testing •Charging schedule for •V2G controlled charge •Fast-Charging •Communication •Communication •If possible V2G •Dependent on •Demonstrated at •Driving patterns •“Private” charging •System architecture • Public charging
  • 15. Why Bornholm? – We have a high share of production from renewables • More than 60 % in power produced at Bornholm • More than 40 % in power consumed at Bornholm – One electric connection to the Nordel synchronous area • 70 kW 60 kV sea cable from 1980 – Bornholm is equivalent to ~1 % of Denmark • Geographical area • Number of inhabitants and power consumers • Composition of society with business, industry, hospital etc. Why Østkraft finds projects important: – Access to new knowledge and technologies – Strengthens the image of Østkraft – Gives increased attention to Bornholm

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