EV fires: The center conducts tests, examines EV battery standards, and requests that manufacturers supply “safety fuses” as of October 1.

EV Battery Manufacturers In India Will Have To Adhere More Safety Regulations From October

The road transport ministry on Thursday set forth standards for rigorous testing and verification of EV batteries in response to several fire accidents involving electric two-wheelers across the nation. Electric vehicles (EVs) will have to adhere to more stringent safety regulations starting in October regarding battery cells and temperature expansion because of internal cell short circuits.

An official announcement states that the changes have been made to the automotive industry standards (AIS) for motor vehicles with fewer than four wheels and an electric power train. The AIS for electric power trains of motor vehicles with four vehicles has also undergone changes.

The revised standards will apply to electric two-, three-, and four-wheeled passenger and commercial vehicles.

Changes made by the ministry of transportation

Additional safety criteria for battery cells, battery management systems (BMS), on-board chargers, battery pack designs, thermal propagation owing to internal cell short circuits resulting in fire, and other topics are included in the modifications.

The new regulations require manufacturers to include a “safety fuse” in the system so that the battery is quickly removed whenever there is an excessive amount of heat generated or a high current flow. This is done for the EV’s safety.

Four necessary sensors are recommended by the recommendations in order to quickly identify any issues with the complete battery system. This would automatically reflect in the car’s console, prompting the driver to take action.

Other adjustments include separating the cells in the event of thermal runaway in the Rechargeable Energy Storage System and having a sufficient cell-to-cell spacing distance for effective heat transfer from the cell (REESS). The REESS must feature audible visual warning for early identification of thermal events or gases in case of thermal runaway of cells, according to the updated AIS standards.

Additionally, the BMS system for two-wheelers must include features for over-voltage, overcharge, overdischarge, over-temperature, over-current, and short circuit protection.

These standards will become enforceable on October 1. A draft notification requiring conformity of production (CoP) for traction batteries used in electric power train cars has also been made available by the transport ministry. The goal of this is to guarantee that battery and EV manufacturers produce vehicles that have received testing agency approval.

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