E-Mobility – Vehicle2Grid interface (Schnittstelle zwischen Fahrzeug & Infrastruktur)5. Vector-Kongress 2010Christoph Saal...
1. Use-cases for V2G                                                                              communicationAgenda1. Us...
1. Use-cases for V2G                                                                                            communicat...
1. Use-cases for V2G                                                                          communicationCharging times ...
1. Use-cases for V2G                                                                        communicationWhat would be the...
1. Use-cases for V2G                                                                                                      ...
1. Use-cases for V2G                                                                                               communi...
1. Use-cases for V2G                                                                                   communicationPaymen...
1. Use-cases for V2G                                                                    communicationRemote vehicle status...
1. Use-cases for V2G                                                                                                      ...
2. V2G communication                                                                                                      ...
2. V2G communication                                                                                                      ...
2. V2G communication                                                                                                      ...
2. V2G communication                                                                                                      ...
2. V2G communication                                                                                                      ...
3. Charging infrastructure                                                          architectures for PEVsArchitecture 1: ...
3. Charging infrastructure                                                              architectures for PEVsArchitecture...
4. V2G communication                                                                                                      ...
4. V2G communication          1Gbps                                                                                       ...
4. V2G communication                                                                                                      ...
4. V2G communication                                                                                         interface pro...
Thank you for your                                                          attention!C. Saalfeld, AE Vehicle Diagnostics ...
Upcoming SlideShare
Loading in...5
×

Autosar 5 saalfeld_lecture

1,006

Published on

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
1,006
On Slideshare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
32
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Autosar 5 saalfeld_lecture

  1. 1. E-Mobility – Vehicle2Grid interface (Schnittstelle zwischen Fahrzeug & Infrastruktur)5. Vector-Kongress 2010Christoph SaalfeldDaimler AGStuttgart, 01.-02.12.2010
  2. 2. 1. Use-cases for V2G communicationAgenda1. Use-cases for vehicle to grid (V2G) communication2. Vehicle-to-grid communication standards3. Charging infrastructure architectures for plug-in electric vehicles4. The vehicle to grid communication interface protocol stackC. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 2
  3. 3. 1. Use-cases for V2G communicationHousehold sockets cannot deliver the power needed to meet customerexpectations NEMA 1,4 kW 14h 38h 5-15 CEE 2,3 kW 8h 23h 7/7 IEC 62196-2 Type 1 7,7 kW 2,5h 7h (J1772TM) IEC 62196-2 44 kW 30 min. 1,2h Type 2 2010-12-02 / C. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 3
  4. 4. 1. Use-cases for V2G communicationCharging times will not reach refueling times of internal combustionengine (ICE) vehicles Refueling time of ICE vehicle • Flow rate of filling station ca. 10 gallons per minute • Fuel efficiency of ICE vehicle ca. 30 mpg • Refueling time ca. 20 seconds for 100 miles Power needed to refuel an EV as fast as an ICE vehicle • Energy consumption approx. 25 kWh for 100 miles • Refueling time same as ICE vehicle • Required charging power  5 MW 2010-12-02 / C. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 4
  5. 5. 1. Use-cases for V2G communicationWhat would be the total re-charging time of the last car in the row?2010-12-02 / C. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 5
  6. 6. 1. Use-cases for V2G communicationEspecially in countries with low power household service connections,load management will first become necessary within the home Max. 16A (main fuse) Fluctuating power available for 16A vehicle charging Power [kW] 16A Fluctuating household 16A demand 32A 32A 0 Time [h] 24 Immediate reduction of charging power if total consumption is exceeding the limit of service connection C. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 6
  7. 7. 1. Use-cases for V2G communicationTo efficiently use renewable electricity charging strategies have toadapt to the fluctuating supply Installed renewable power generation capacity in Germany 50.000 45.000 40.000 35.000 30.000 fluctuatingMW 25.000 20.000 15.000 10.000 continuous / 5.000 on demand 0 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 Hydro Biowaste Biomass Solar Wind Source: BMUC. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 7
  8. 8. 1. Use-cases for V2G communicationPayment and billing of electricity•Total cost for recharging low compared to refueling • Refueling 50…100€ in 3..5 minutes • Full re-charge 4…6€ over 2…8hours  Micro payments•Public charge spots most likely not in monitored areas • charge spots must be protected against vandalism • tamper-resistant payment system required•RFID solutions • many systems available which partially interfere with each other • RFID-card requires interaction of driver with charge spot upon charge- initiation and cannot handle automatic restart after power-outage Automatic and cost-efficient payment solution requiredC. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 8
  9. 9. 1. Use-cases for V2G communicationRemote vehicle status information and control will be essential forcustomer acceptance of battery and grid optimized charging Status information •Current state of charge •Predicted end of charge •Charge interruption warning •Vehicle position •… Set parameters •End of charge target •Required range •Cabin preconditioning •… C. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 9
  10. 10. 1. Use-cases for V2G communication Summary – Use-cases for V2G communication Simple  Automatic payment from PEV payment &  Access to all charging stations with one contract (Roaming) billing  Secure payment via state-of-the art signatures & certificatesSmartCharging System  Cost-optimized (e.g. night tariff) and battery-optimized (SoC, Optimized charging power, temperature) charging load  Support of renewable energy in the grid for emission-free driving management  Fleet-management for areas with high density of PEVs Additional  PEV status information (current SoC, remaining charge time..) PEV-  Remote control of charging (e.g. departure time) customer  Access to internet-based services (e.g. diagnostics, software services updates, etc.)  Authentication of certified off-board charging equipment DC-Charging  Charge-control via voltage and amperage control commands Control  Re-usage of communication technology for AC & DC-charging 2010-12-02 / C. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 10
  11. 11. 2. V2G communication standards Communication between the vehicle and the infrastructure will be needed for safety, load management and billing Grid Charge spot Vehicle Cable safety test successfully 1 completed, please lock my charge cord I can deliver up to 22kW 2 3 Here’s my ID, I am an authenticated PEV and I would like to charge Valid ID, please go ahead, 4 power will be activated I need 12kWh to fully rechargeHere are the power levels & 5 until 9am next morningprices over time for your needs +special rate for wind-power of up 6to 10kW between 3am to 6am for O.K I adjust my plans and will 73cents/kWh charge from 3am to 5am at 6kW So far I delivered 5kWh 8 to you, please confirm 9 I confirm to have received ca. 5kWh I want to leave, please unlock the 10 charge cord C. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 11
  12. 12. 2. V2G communication standardsAll relevant areas are covered in Europe through ISO/IEC standards Connector IEC 62196-2 • Plugs & socket outlets • vehicle-couplers and vehicle inlets Communication ISO/IEC 15118 • Road vehicles - Communication protocol between electric vehicle & grid • Part 1: General information & use-case definitions • Part 2: Technical protocol description and Open Systems Interconnections (OSI) layer requirements • Part 3: Wired physical and data link layer requirements Safety IEC 61851 • Electric vehicle conductive charging system • Part 1: General requirements • Part 21: Electric vehicle requirements for conductive connection to an AC/DC supply • Part 22: AC electric vehicle charging stationC. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 12
  13. 13. 2. V2G communication standardsCombo-Connector for both AC- & DC-Charging without separatepins for communication AC DC 1-phase 3-phase low mid Type 1 Type 1 Type 1 Combo USA/ (Infrastructure Japan not available) Type 2 Type 2 Type 2 Type 2 Combo Europe/ China  Communication over Mains (AC) or Un-used mains (DC) or “in-band” on Control Pilot (AC or DC) or Plus and Minus (DC)C. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 13
  14. 14. 2. V2G communication standardsISO/IEC 15118: Road vehicles — Communication protocol betweenelectric vehicle & grid - document structure Layer ISO / IEC 15118 Vehicle to grid communication interface ISO / IEC 15118 Vehicle to grid7 Application Part 1: General information and use- communication interface case definition6 Presentation Part 2: Technical protocol Similar to Similar to description and Open Systems5 Session SAE J2836 SAE J2847 Interconnections (OSI) layer set of documents set of documents requirements4 Transport Similar to SAE J2931-13 Network set of documents ISO / IEC 15118 Vehicle to grid2 Data Link Similar to communication interface SAE J2931-2/3 Part 3: Wired physical and data link1 Physical set of documents layer requirementsC. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 14
  15. 15. 2. V2G communication standardsISO/IEC 15118 document set creation plan ISO/IEC 2010 2011 2012 documents 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 Preparation time 1st CD 2nd CD ballot ISO 15118-1 ballot FDIS General information & DIS ballot (IEC use-case definition delay) Preparation time CD ballot ISO 15118-2 FDIS Protocol definition & DIS ballot OSI-layer requirements First Draft available Preparation time ISO 15118-3 CD ballot Wired physical & FDIS DIS ballot data link layer First Draft requirements available Today IS published 01.06.2012C. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 15
  16. 16. 3. Charging infrastructure architectures for PEVsArchitecture 1: Intelligent EVSE•Option1: EVSE with only one charge outlet (e.g. in private garage)•Option 2: EVSE with multiple charging outlets (e.g. curb-side public charging station)C. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 16
  17. 17. 3. Charging infrastructure architectures for PEVsArchitecture 2: Local non-intelligent EVSEs with detachedintelligent control unit (e.g. fleet management or parking garage)C. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 17
  18. 18. 4. V2G communication interface protocol stackLayered architecture of V2G communication protocol stack Layer 7 – Application Smart Charge Protocol DHCP (IETF RFC 3315 (Application Layer + Session Layer) Dynamic Host Configuration Protocol) Layer 6 – Presentation JSON XML EXI – Efficient XML interchange Layer 5 – Session HTTP (IETF RFC 2068, Hypertext Transfer Protocol) Layer 4 – Transport TLS (IETF RFC 5246 Transport UDP (IETF RFC 768 User Layer Security 1.0) Datagram Protocol) TCP (IETF RFC 793 Transmission Control Protocol) Layer 3 – Network IPv6 (IETF RFC 2460 Internet Protocol) Layer 2 – Data Link IEEE1901 ITU-T HomePlug 9955 Layer 1 – Physical GreenPHY Annex G3C. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 18
  19. 19. 4. V2G communication 1Gbps interface protocol stack PLC – Technologies: ITU G.hn Profiles Frequency & Speeds HP AV2 Considered for IEE 1901 ISO/IEC 15118-3 and HD-PLC 200 Mbps SAEJ2931 HP AV compatible Speed Subset HP 1.0 (TIA-1113)256 Kbps HP GreenPHY As Annex ITU-T G.hnem (9955) Maxim G3 Prime 10 Kbps Ariane Controls FSK Analyzed by SAEJ2931 for “in-band signaling” LonWorks FSK Frequency 95kHz Low Band 450kHz 1.7MHz Upper Band 30MHz 100 MHz CENELEC-bands / FCC-band Source: based on analysis from Rich Scholer (Ford Motor Company) C. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 19
  20. 20. 4. V2G communication interface protocol stackComparison of PLC-technologies HomePlug GreenPHY ITU-T9955+Annex G3 High & scalable Low (40..200kbit/s usableBandwidth ++ - (1MBit…10Bit/s usable)  slower than CAN) Narrow, may be impaired by DC-Frequency & EMC + Broad, very stable - charging Currently not allowed in JP, Allowed, frequency-band mayCountries -- + de-regulation ongoing change per country Point-to-point public/private + Always point-to-point wall-boxCharging setups + economic fleet/parking - required garage charging Migration technology available, Chip being Standard not finished, Chip to beAvailability - -- developed & qualified with developed & qualified German OEMs Open for home-networkFuture proof / other Further use-cases limited ++ integration & SmartGrid +use-cases no integration into SmartGrid compatibleC. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 20
  21. 21. 4. V2G communication interface protocol stackSummary – V2G Communication protocol stack• Standards are necessary to… • Enable interoperability of all PEVs with all types of PEV charging equipment in public or private areas • Enable systems for automatic load leveling and renewable energy flow control • Provide methods for automatic electricity payment and billing systems • Pave the way for additional internet-based services for PEVs IT-network technologies are introduced into PEV embedded components in order to support the charging use-cases A standardized protocol stack implementing the V2G protocol is highly recommended to increase interoperability of PEVs and charging infrastructure Standardized tests will be required to ensure V2G protocol compliance of PEVs and charging infrastructure Daimler substantially contributes to the new ISO/IEC communication standard for PEVs based on their implementation from "e-mobility Berlin"C. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 21
  22. 22. Thank you for your attention!C. Saalfeld, AE Vehicle Diagnostics & SmartCharging Slide 22
  1. A particular slide catching your eye?

    Clipping is a handy way to collect important slides you want to go back to later.

×