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Ac input current for battery charging

Ac input current for battery charging

Ac input current for battery charging

(OP)
The electrical service size required to to charge 70 Golf carts if you follow the Canadian Electrical code would in the order of 700 Amps. I have observed a charging cycle and found that one cart would require 9.2 amps the first hour and by the 3rd hour had fallen to 1 amp.Assuming that the carts arrived in 15 min intervals and on average six carts begin the cycle the first hour. We observed that after six hours 36 carts would draw from the service 144 amps. We therefore are proposing a 225 Amp service 120/208 3 phase 4W

RE: Ac input current for battery charging

Worst posible case: 70 Carts* 9.2A * .6 Serv. Factor / 3 ph=
129A + the rest @ 1 amp (28A) = 160A  

Sizing looks good to me.

Ray Micallef, P. Eng.
Power Generation/Utility Industry

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