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Re: small 4KV transformer, anyone?

Original poster: Ed Phillips <evp@xxxxxxxxxxx>

Tesla list wrote:

Original poster: "Bill Noble" <william_b_noble@xxxxxxx>

don't know - the catalog doesn't say - for sure this is NOT the same as the units in the Xerox machine - much higher current (the xerox devices that I've seen are measured in microamps)
----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Sunday, August 27, 2006 12:31 PM
Subject: Re: small 4KV transformer, anyone?

Original poster: Ed Phillips <evp@xxxxxxxxxxx>

Had trouble downloading the catalog so couldn't find out if those things are used with esternal rectifiers. Any idea? I have a unit which appears identical - picked it up at a swap meet years ago. It was supposed to have come from a Xerox machine. I think with a voltage multiplier it would be neat for charging VDG belts.

The transformer I have has a secondary resistance of about 17,000 ohms and is rated at 4.5 kV and 7.5 VA (I think - I'd have to dig it out and look) so the short-circuit current could be as much as a quarter of an amp. I agree that the operating current would be minute in a copier application. What's the resistance of your unit and do you know why these things have two insulated terminals?