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Update on the Development of Commercial Electric Vehicle Fueling and Submetering Standards

Update on the Development of Commercial Electric Vehicle Fueling and Submetering Standards. SGIP PAP 22 Meeting May 6, 2014 Juana Williams, Legal Metrology Devices Program NIST Office of Weights & Measures (OWM). Disclaimer.

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Update on the Development of Commercial Electric Vehicle Fueling and Submetering Standards

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  1. Update on the Development of Commercial Electric Vehicle Fueling and Submetering Standards SGIP PAP 22 Meeting May 6, 2014 Juana Williams, Legal Metrology Devices Program NIST Office of Weights & Measures (OWM)

  2. Disclaimer Certain commercial entities, equipment, or materials may be identified in this presentation in order to adequately describe a procedure or concept. Such identification is not intended to imply a recommendation or endorsement by the National Institute of Standards and Technology, nor is it intended to imply that the entities, materials, or equipment are necessarily the best available for that purpose.

  3. Presentation Overview • Status of the Draft NIST Handbook (HB) 44 Requirements for Electric Vehicle Fueling and Submetering (EVF&S) • Issues • Next Steps

  4. Weights and Measures Infrastructure Components for EVF&S • Method-of-sale (MOS) requirements (Adopted July 2013-HB 130) • metrology laboratory standards and test procedures • uncertainties • measurement traceability • tolerances and other technical requirements for commercial measuring systems • standards for testing equipment • field implementation • data analysis • field test and type evaluation procedures • field enforcement issues • training at all levels and • other relevant issues identified by the USNWG* *USNWG-U.S. National Work Group

  5. NIST Handbook (HB) 44 • 2014 Current Edition of HB 44 • Applies to Commercial Weighing and Measuring Devices and Devices Used in Law Enforcement Available on the NIST OWM web site at: http://www.nist.gov/pml/wmd/pubs/hb44-14.cfm

  6. Draft NIST HB 44 - Device Requirements f/EVF&S • Existing General Code 1.10, Timing Devices Code 5.55, and Appendix A Fundamental Considerations, and Draft Electric Measuring Devices - Tentative Code • Design, Accuracy, Test Procedures, & User Requirements • Draft Code 1st Distributed to the USNWG EVF&S August 2012 • Draft Code Submitted fall 2013 through the U.S. Standards Development Process as a Developing Item to the NCWM • Specifications and Tolerances (S&T) Committee April 2014 Interim Report • http://www.ncwm.net/meetings • Item – 360-3 Electric Vehicle Fueling & Submetering • Proposal has merit, but requires development by the USNWG EVF&S

  7. U.S. National Work Group (USNWG) on Measuring Systems for Electric Vehicle Fueling and Submetering (EVF&S) • Established August 2012 by NIST OWM • Chair Tina Butcher and NIST Technical Advisor Juana Williams (NIST OWM) • Develop legal metrology standard for EVF&Ss and Electric Utility Submeters • July 2013 Adopted NIST HB 130 Method of Sale for EVF Applications • Draft NIST HB 44 Measuring Devices for EVF&S-Tentative Code • Ensure that the prescribed methodologies and standards facilitate measurements that are traceable to the International System of Units (SI) • Established Test Procedure Subcommittee January 2013 • Chair Ted Bohn (ANL) • NIST HB 44 Draft Test Notes Section • Field Test Methods and Equipment • Last Meeting April 29-30, 2014, Sacramento, CA • USNWG Web Site: http://www.nist.gov/pml/wmd/usnwg-evfs.cfm

  8. Issues • Address 100+ Remaining USNWG Comments on the Draft Code • Test Procedures • Test Procedure Subcommittee Established January 2013 • Draft Code Addresses Two Separate Device Applications • Electric Vehicle Service Equipment (EVSE) • Electric Utility Submeters • Topics Under USNWG Consideration • EVSE Timing Features Used for Commercial Transactions • Other Specific Tasks to be Addressed as Action Items • U.S. Weights and Measures Standards Development Process • 2015 Cycle • Begins fall 2014 – Requires the USNWG submit a final proposal for a new tentative code and any modifications of existing codes

  9. Next Steps • Upcoming Meetings • Web/Teleconference Meeting May 29, 2014-1:00 p.m. [EDT] • Tentative face-to-face Meeting late July 2014 • Specific Action Item Assignments • Review, Refine, and Develop Definitions • Examine the Merits of Separate EVSE & Utility “Submeter” Codes • OEMs Review Min. Meas. Quantity (MMQ) Requirements • USNWG Review a List of Sealable/Nonsealable Features • Comment Submitters to Provide Status Updates • Transaction Information Required in the Event of a Power Loss • Outreach to the Authorities with Jurisdiction • Uniformity in Advertising Online • Recognizing Reversed Transfer of Electrical Energy

  10. Helpful Links: • NIST OWM: • http://www.nist.gov/pml/wmd/index.cfm • USNWG EVF&S: • http://www.nist.gov/pml/wmd/usnwg-evfs.cfm • NIST Publications: • NIST HB 130-includes Method of Sale • http://www.nist.gov/pml/wmd/pubs/hb130-14.cfm • NIST HB 44-Devices • http://www.nist.gov/pml/wmd/pubs/hb44-14.cfm • NCWM: http://www.ncwm.net/ • NOTE: Laws and Regulations Committee (HB 130)/Specifications and Tolerances Committee (HB 44)

  11. Questions and Technical Contact Juana Williams • E-mail: juana.williams@nist.gov • Tel: 301-975-3989 • Fax: 301-975-8091 NIST Office of Weights & Measures 100 Bureau Drive - MS2600 Gaithersburg, MD 20899-2600 NIST OWM Web Site: http://www.nist.gov/pml/wmd/index.cfm

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