IEC 61851

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IEC Type 1/SAE J1772 inlet; Tesla02 proprietary outlet; IEC Type 2 connector outlet

IEC 61851 is an international standard for electric vehicle conductive charging systems, parts of which are currently still under development(written 2017). IEC 61851 is one of the International Electrotechnical Commission's group of standards for electric road vehicles and electric industrial trucks and is the responsibility of IEC Technical Committee 69 (TC69).[1]

Standard documents[]

IEC 61851 consists of the following parts, detailed in separate IEC 61851 standard documents:

  • IEC 61851-1: General requirements[2]
  • IEC 61851-21-1: Electric vehicle on-board charger EMC requirements for conductive connection to AC/DC supply[3]
  • IEC 61851-21-2: Electric vehicle requirements for conductive connection to an AC/DC supply - EMC requirements for off board electric vehicle charging systems
  • IEC 61851-23: DC electric vehicle charging station[4]
  • IEC 61851-24: Digital communication between a DC EV charging station and an electric vehicle for control of DC charging[5]
  • IEC 61851-25: DC EV supply equipment where protection relies on electrical separation[6]

IEC 61851-1[]

IEC 61851-1 defines four modes of charging:

IEC 61851-1 charging modes[7][8]
Mode Limits Supply Applications Notes
Phases Current Voltage
1 1φ 16A 250V AC electric bikes & scooters Direct connection of vehicle to conventional electrical outlets. Not allowed in the US, Israel, and England; prohibited for public charging by Italy; restricted in Switzerland, Denmark, Norway, and Germany.
3φ 16A 480V
2 1φ 32A 250V AC "slow AC" Requires control box between vehicle and electrical outlet. Prohibited for public charging by Italy; restricted in US, Canada, Switzerland, Denmark, France, and Norway.
3φ 32A 480V
3 1φ 32A 250V AC "slow and quick AC" EVSE permanently connected to electrical grid. Typical public charger installation.
3φ 32A 480V
4 – 200A 400V DC "fast DC" Current conversion handled by EVSE, not EV.

References[]

  1. ^ IEC Technical Committee 69
  2. ^ IEC 61851-1
  3. ^ IEC 61851-21-1
  4. ^ IEC 61851-23
  5. ^ IEC 61851-24
  6. ^ IEC 61851-25
  7. ^ "Charging modes (IEC-61851-1)". Circutor. Retrieved 10 August 2021.
  8. ^ Ferrari, Lorenzo. "Charging modes for electric vehicles". Daze Technology. Retrieved 10 August 2021.

See also[]

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