[DeTomaso] ALTERNATOR

hemipanter at hemipanter.se hemipanter at hemipanter.se
Sun Apr 11 10:29:51 EDT 2010


To eliminate missunderstanding, when I mentioned cooling I meant
ALTERNATOR cooling by its own fan.
Goran

>
> Another issue that may crop up...
>
> Large alternators need more torque to turn at high output.
> I found one recommendation that a multi-ribbed belt be used for anything
> above 120 amp.
>
> One v-belt won't handle it, apparently.
>
>
> On 11 Apr 2010, at 4:43 AM, hemipanter at hemipanter.se wrote:
>
>> After talking with one of the firms specializing in generators,
>> and also have rebuild some generators for better output, so I
>> can say the following.
>>
>> High output requires cooling, and the smaller the generator, the
>> better  the fan must work. Particularly in the case of continuous
>> high power output.
>>
>> The generators I have rebuilt have ALL given better output at high
>> engine revs, BUT at the expens of worse low rpm output. My problem
>> has been that my radiator fan need so much power that the injection
>> gone bad in the traffic queue. To then rebuild the generator for
>> higher power output resulted in an even worse charge in this
>> situation, even as it worked great on the highway, this was of no
>> help because the fan was not needed then.
>>
>> If high power output is required, a BIG generator is clearly best.
>> And it should be BUILT for high power, NOT a "hotted up" small one.
>>
>> A three wires with an inbuilt relay is what I recommend, not a single
>> wire. The reason is that 3 wires have a wire that senses the voltage
>> at a desired location in the electrical system.
>>
>> Modern generators ARE better and smaller in size, but specify your
>> need when buying one.
>>
>> Goran
>>
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>





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