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Subject: Looking for info on varible speed drives.

Date: 02/23/01 at 8:27 PM
Posted by: bill earnshaw
E-mail: billearnshaw@hotmail.com
Message Posted:

Dear Sir,

First let me preface my inquiry with a statement that we are not using a VSD to drive
an electric motor.

We have build a prototype where we need some variation in voltage and amperage
and frequency.

With that in mind, perhaps I could get some pricing information on some different
drives. If this works for our application, you would have a new source of sales. I
would guess from 100 to 500 units per year mimimally.

For our testing we do not need a new unit, all we need is something that works.

While speaking with an electrician friend he was telling me that one can vary the
amperages and frequency on these units.

The amperage range we are working in is 20 - 30 amps, I estimate that a drives
that would run a 10hp motor would suffice. With that in mind, the voltage we are
looking for is 120 - 140. This is not crucial if it was 120 or 150 for example.

As I am sure the cost varies on the freq, perhaps I could get pricing on a unit
that went from 0 - 3000 and maybe 0 - 10,000.

As I say, at this point of the testing, cost is more crucial than looks(used would be fine).
Please let me know what you have.

Bill Earnshaw (billearnshaw@hotmail.com)


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