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Shreyas Ramdasi

Mechanical Engineer • 1y

Battery charging Technologies Charging schemes for a EV • Normal charging - (1-ph AC, 110-240 V, 13-20 A, 2-4 KW) - This type of charging is used in homes, garages, and residential car parking. - Charging takes a longer time, typically 5 to 8 hours. • Opportunity charging - (3-ph AC, 110-240 V, 32-80 A, 8-20 KW) - This type of charging system is used in public charging places or public parking places. - It doesn't care how many charge you do in a day or what is the duration of each -Fast charging - (DC, 220-450 V, 80-200 A, 36-90 KW) - charging system charges the battery in 20 to 30 minutes and the battery reaches typically 80% of its full charge capacity in the 30 minutes. - requires a dedicated charging stations and dedicated hardware and safety protections in place. - it puts burden on the power system. • Battery swapping - it requires a very large space for the charging starting to mechanically swap the batteries and it also requires standardization of the battery packs, to en

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