Mike;  

What kind of motor and controller are you using on 160v?

Do you have a website where to learn little more about your project? 

Marco

Enviado desde mi iPhone

El 24/06/2013, a las 06:08 p.m., "Cor van de Water" <[email protected]> 
escribió:

> OK.
> Note that you can get (much) higher voltage from the motor at regen
> under fault conditions, so it is good to have some margin and make sure
> that the fault current can be safely broken.
> 
> Cor van de Water
> Chief Scientist
> Proxim Wireless Corporation http://www.proxim.com
> Email: [email protected] Private: http://www.cvandewater.info
> Skype: cor_van_de_water Tel: +1 408 383 7626
> 
> 
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] On
> Behalf Of Mike Scott
> Sent: Monday, June 24, 2013 5:54 PM
> To: Electric Vehicle Discussion List
> Subject: Re: [EVDL] Airpax ALM-250 safe on 160V system?
> 
> Thanks Cor.
> 
> Yes, regen, so I'll get to work on a new mounting plate and find a place
> for the joined pair to fit.
> 
> 
> On Mon, Jun 24, 2013 at 4:34 PM, Cor van de Water <[email protected]>
> wrote:
> 
>> Mike,
>> Only if you gang them mechanically together, so they always open
>> together, will you gain from series connection of breakers.
>> Do not worry about the higher voltage at charging - the 250A breaker
>> will
>> only be needed to protect your pack while you are drawing from it,
> i.e.
>> driving, not while charging (unless you have regen). 50 LiFePO4 means
>> 3.2V each, so 160V, charged up to 3.45V peak so 172V max? I don't
> think
>> you should worry about the few volts higher, but if you do not like to
>> push your luck then gang your two breakers together and that way
> ensure
>> you can break up to 320V.
>> 
>> Success,
>> 
>> Cor van de Water
>> Chief Scientist
>> Proxim Wireless Corporation http://www.proxim.com
>> Email: [email protected] Private: http://www.cvandewater.info
>> Skype: cor_van_de_water Tel: +1 408 383 7626
>> 
>> 
>> -----Original Message-----
>> From: [email protected] [mailto:[email protected]] On
>> Behalf Of Mike Scott
>> Sent: Monday, June 24, 2013 4:08 PM
>> To: Electric Vehicle Discussion List
>> Subject: [EVDL] Airpax ALM-250 safe on 160V system?
>> 
>> I'd like to use this breaker I have, but now have 50 LiFePo calls
>> instead
>> of the 12 12V gels. Is it time to break out the spare breaker and wire
>> them
>> in series?
>> 
>> The rating says "Max 160V", but charging will go above that.
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