{
  "url": "https://openlegislation.uk/eu-decision-2019-313/annex/division-4/division-4.3",
  "json_url": "https://openlegislation.uk/eu-decision-2019-313/annex/division-4/division-4.3.json",
  "legislation": "eudn/2019/313",
  "legislation_title": "Commission Implementing Decision (EU) 2019/313 of 21 February 2019 on the approval of the technology used in SEG Automotive Germany GmbH High efficient 48V motor generator (BRM) plus 48V/12V DC/DC converter for use in conventional combustion engine and certain hybrid powered light commercial vehicles as an innovative technology for reducing CO2 emissions from light commercial vehicles pursuant to Regulation (EU) No 510/2011 of the European Parliament and of the Council (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-decision-2019-313",
  "path": "annex/division/4/division/4.3",
  "kind": "division",
  "number": "4.3",
  "heading": "Saved mechanical power",
  "text": "The 48 V motor generator plus the 48V/12V DC/DC converter generation function lead to saved mechanical power under real-world conditions (ΔPmRW) and type approval conditions (ΔPmTA) as set out in Formula 14.\nFormula 14\nΔPm = ΔPmRW – ΔPmTA\nWhere the saved mechanical power under real-world conditions (ΔPmRW) shall be calculated in accordance with Formula 15 and the saved mechanical power under type-approval conditions (ΔPmTA) in accordance with Formula 16:\nFormula 15\nΔP mRW = P RW η B − P RW η TOT\nFormula 16\nΔP mTA = P TA η B − P TA η TOT\nwhere\nPRW Power requirement under ‘real-world’ conditions [W], which is estimated at 750W\nPTA Power requirement under type-approval NEDC conditions [W], which is estimated at 350W\nηB Efficiency of the baseline alternator [%], which is 67 %",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eudn/2019/313/annex/division/4/division/4.3",
    "retrieved_at": "2026-11-01T15:12:49.186939+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}