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Plug-in electric vehicles in India

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  • 6 chapters
Mahindra BE6 EV
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Through Alternating current, Bengaluru and Lakh

In 2015, the Department of Heavy Industry (DHI) launched FAME, or Faster Adoption and Manufacturing of (Hybrid and) Electric vehicles, which is currently India's flagship scheme for promoting electric mobility,

Although India would benefit from converting its transport from internal combustion (IC) engines to electric motors, challenges include a lack of charging infrastructure, high initial cost and a lack of renewable energy. E-commerce companies, car manufacturers, app-based transport network companies and mobility-solution providers have entered the sector, however, they are slowly building electric-car capacity and visibility.

Standards

Charging

Indian Standard 17017 (IS 17017) is the governing standard in India, with parts and sections largely compatible with IEC 61851 and IEC 62196:

  • Part 1 has basic features and general requirements
  • Part 2 has connector standards:
    • Part 2 § 1 is adapted from IEC 62196-1
    • Part 2 § 2 is adapted from IEC 62196-2 for India
    • Part 2 § 3 is adapted from IEC 62196-3
  • Part 3 is adapted from IEC 61851-3 for light EVs
  • Part 21, adapted from IEC 61851-21, has electromagnetic compatibility standards for charging units
  • Part 23, adapted from IEC 61851-23, has requirements for DC EVSEs
  • Part 24, adapted from IEC 61851-24, has communication requirements for DC EVSEs

Charging stations in India are classified as distributed or high-power, depending on the maximum power which can be supplied. Within these classifications are distinctions based on the current (alternating or direct current) and intended use:

AC

IS:17017 specifies Bharat EV Charging standard AC001 for Level 1. It uses 15A, 230V, 3.3 kW, and an IEC 60309 connector. Electric vehicles can be charged with a regular 220V – 15A household supply that delivers about 2.5 kW of power. There is no policy or standard for at-home EV charging. Bharat EV specifications recommend the installation of a residual current circuit breaker to ensure safety and using an IEC 60309 industrial connector, but a three-pin 15A plug could also be used. For higher power AC charging (Levels 2 and 3, ~22 kW), Type 2 connectors are specified. The advantage of Type 2 connectors is their ability to use three-phase electric power.

DC

The public DC charging standard is DC 001 for Level 1, using custom GB/T for EV-EVSE communication over a CAN bus. It uses 200A, 15 kW, and a GB/T 20234.3 connector. Maximum DC output voltage is 100V. Cars using this standard include the Mahindra e-Varito, Mahindra e20 and Tata Moters e-Tigor.

IS:17017-1, published by the BIS in August 2018, recommends CCS-2 (Combined Charging System Combo 2) and CHAdeMO protocols for high-power Level 4 fast charging. The advantage of CCS over CHAdeMO and GB/T is that it uses power-line communication (PLC) for EV-EVSE communication; CHAdeMO and GB/T use CAN. PLC allows secure, encrypted communications, and the link can support a higher data rate than CAN.

Electric Vehicle Supply Equipment (EVSE)

The IS:17017 standard published by the Bureau of Indian Standards (BIS) covers general requirements and safety norms for EVSEs.

Central Management System (CMS)

The Open Charge Point Protocol (OCPP) 1.5 or higher over the internet is required.

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