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428 Posts
Check out HPEVS Curtis has a new controller out 144 volt..
http://www.hpevs.com/curtis-144V-controller.htm
http://www.hpevs.com/curtis-144V-controller.htm
Curtis 168V Controller
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I have an application where I need north of 75kW but only for short bursts of under a minute with time to cool between cycles. My read of the AC-7X motors is that they are not magnetically limited and could provide this output level if they were driven by a more powerful controller. Has anyone heard any scuttlebut of Curtis developing a higher voltage controller. I would prefer a higher voltage to a higher current because I would like to use commodity lead-acid for the batteries and getting higher currents without too much sag is an issue. Using more batteries in series would be preferable.
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17 Posts
I know of the new 144V controller but I have an application that requires more power than it can support at 144V/500A. I was wondering if anyone has heard of any indications of development of higher power inverters by Curtis. This could be higher current but I would prefer higher voltage for the battery system I am considering.
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It was a push to get Curtis to even agree to 144V. Right now there are no plans to do a higher voltage controller that I know of. Even then, I suspect the controller size will increase, along with the price.
If you want something higher voltage, look into the Sevcon Gen4 Size 8/10 and GpAC series controllers. After that, start looking into Rinehart and Brusa controllers.
If you want something higher voltage, look into the Sevcon Gen4 Size 8/10 and GpAC series controllers. After that, start looking into Rinehart and Brusa controllers.
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17 Posts
Frodus,
Thank you for the pointers to Sevcon. Do you have any idea of budgetary pricing for any of these GpAC or Gen4 units.
Thank you for the pointers to Sevcon. Do you have any idea of budgetary pricing for any of these GpAC or Gen4 units.
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