Re: I'm in over my head, would someone kinly throw me a life ring?


"John Smith" <bill.gates@xxxxxxxxxxxxx> wrote in message
news:d4sp53$6n8$1@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> "Greg Postma" <gjpostma@xxxxxxxxxxxxxxxxxx> wrote in message
> news:N6SdnYdwMYzQHezfRVn-pw@xxxxxxxxxxxxxx
>> Norman Webb wrote:
>> > Intrigues me what situation would use 76Vdc (not a multiple of 6,
>> > 12, 24
>> > etc)
>> > Is it possible to tap a lower DC voltage and use an off the shelf
>> > 12vdc
> to
>> > 110vac inverter.
>> >
>> > Regards
>> > Norman
>> Ya know, the numbers didn't add up, (but what do I know) so after
>> dinner
>> I called the guy to get more information. The source of the DC power
>> is
>> 6-12v batteries (in series) so the voltage could be anywhere from
>> 72vDC
>> (6x12) up to 79.2vDC (6x13.2). He picked 76 volts "cuz it's in the
> middle".
>>
>> So knowing what I now know, I'm looking for an inverter that can
>> handle
>> 72-79.2vDC input and 110vAC output. The output current will be about
>> 10
>> amps @ 110vAC. I hope this cleared this matter up.
>>
>> Some times a client will ask me for a mouse, so I find him a mouse,
>> ship
>> him a mouse, bill him for a mouse and then I get a nasty email
>> calling
>> me names, telling me that I shipped the smallest moose the client has
>> ever seen. I guess today,I've been looking for mouse when the client
>> wanted a moose.
>> Thaks
>> Greg
>>
>>
> You said "The current draw would be about 500ma. " and now you're
> saying
> "The output current will be about 10 amps @ 110vAC.". This obviously
> doesn't add up.
>
> Besides your spec being ambiguous, just do as others have suggested,
> and use
> one of those 12v batteries: why go from 72V?
>
>
There was a thread not long ago similar to this.
Is it a need to boil a coffee pot in a train engine that prompts this
requirement.
--
John G

Wot's Your Real Problem?


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