Electric Vehicle Charging Standards

Electric Vehicle Charging Standards for interoperability: The Bureau of Indian Standards (BIS), the national standards body of India,is responsible for formulating EV charging standards for the country.

Electric Vehicle Charging Standards

Standards ensure interoperability and compatibility of any EVSE with all EVs. The Bureau of Indian Standards (BIS), the national standards body of India,is responsible for formulating EV charging standards for the country.

BIS is a member of the International Electrotechnical Commission (IEC), which is the global
body that is developing reference standards to ensure interoperability and minimize trade barriers for electric vehicles and their components.

While Indian standards for EV charging are compliant with global standards, local climate considerations and the difference in vehicle types available in the country necessitate modifications that are specifically applicable to India.

Read Also: [Updated]List of IS Codes Electrical standards|IS 732, IS 3043 etc|Indian electrical standards

Indian Standards for AC Charging


IS 17017 is the key EV charging standard in India comprising three parts and six sections.

IS-17017- Part-1 provides the basic features of all EV charging systems. An AC EVSE must adhere to this standard, and specific AC connector standards in the IS-17017-Part-2.


Both AC and DC EVSE need to conform to the technical standards IS-17017-Parts 21 & 22.


Additional Indian standards for AC EVSEs have been approved for light EVs and e-cars (in the form of lowcost charging points), for use in parking areas.

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Indian Standards for DC Charging


IS-17017-Part-23 describes the requirements for DC charging stations, with power output of 50kW to 200kW.

Beyond this, high power charging standards are required to cater to buses and other heavy vehicles.


Recently, the BIS has finalized the IS-17017-Part-25, which is specifically for providing low DC power of less than 7kW for light EVs.

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Due to the requirement of digital communications between the DC EVSE and the EV, data communication standards are specified in IS-17017-Part 24.

When the Combined Charging System (CCS) standard is deployed, which can provide both AC and DC charging, communications will be as per the IS-15118 series.

INDIAN STANDARDS FOR BATTERY


Indian Standards for Battery Swapping


Separate projects have been initiated for battery swapping standards for LEVs (Light Electric Vehicles) and buses.

They will be two series of standards documents, covering the form factor of the battery pack, inter-operable connection systems, communication between the battery management system (BMS) and the EV and charging station, and network management.

Any Electric Vehicle (EV) may utilize a battery pack conforming to these standards.

The removable battery packs can be charged using AC or DC charging systems.


The BIS is yet to develop Indian standards for EV roaming and grid-related management functions.

Read also: Bureau of Indian Standards -BIS

Read More on Indian Electricity Rules & standards

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