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Old 01-26-2008, 11:55 AM
jdenenberg jdenenberg is offline
Engineering Professor
 
Real Name: Jeffrey N. Denenberg
Location: Connecticut
Hybrids: 2004 Prius
Posts: 231
Default Re: 12V Battery Question

Quote:
Originally Posted by PineywoodsPete View Post
If my calculations ar correct, the traction battery capacity is 1872 watt-hrs (288V x 6.5amp-hrs per series-connected cell). I would expect the ICE to cycle at 50% capacity or so, recharging to 80% possibly, above which charging usually becomes less efficient. Maybe every 30-40 minutes?

Pete
Pete,

You need to adjust your calculations for the efficiency of your inverter (~80-90%) so it may cycle more often than you predict. When you plan your implementation, be sure to fuse the inverter input at 100 amps or less. The charging circuit fuse (120 amps) can be expensive to replace.

JeffD
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