Re: [PSUBS-MAILIST] Batteries Bank

[Marc de Piolenc <piolenc@archivale.com>]

You need 2000 kWh of storage (not allowing for losses). How that is 
delivered depends on what voltage the motor requires. If it is rated 120 
VDC, for instance, you need 2 x 10^6/120 = 16,667 ampere-hours of 
battery storage. If your bank consisted of ten 12-volt batteries 
connected in series, each battery would have to have that capacity. As a 
practical matter, your bank would have to be a parallel-series 
arrangement, with enough batteries in each parallel group to make up the 
necessary capacity, and the groups connected in series.

Best,
Marc de Piolenc

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On 10/1/2010 1:33 PM, Firebolt wrote:
> Hello, this is a short question, 250 kw electric motor running for 8
> hours what type/many batteries do I need? ex. ampere Hour, voltage



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