Re: Identifying Current and Voltage on vaguely marked MOT. (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Tue, 28 Aug 2007 17:31:10 -0700
From: Barton B. Anderson <bartb@xxxxxxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: Identifying Current and Voltage on vaguely marked MOT.  (fwd)

But such a "small" magnetizing force. Better accuracy the other way (and 
even that is only 1/4 the current).

Bart

Tesla list wrote:

>---------- Forwarded message ----------
>Date: Mon, 27 Aug 2007 22:08:19 -0700
>From: Jim Lux <jimlux@xxxxxxxxxxxxx>
>To: Tesla list <tesla@xxxxxxxxxx>, tesla@xxxxxxxxxx
>Subject: Re: Identifying Current and Voltage on vaguely marked MOT.  (fwd)
>
>At 08:21 PM 8/27/2007, Tesla list wrote:
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>>---------- Forwarded message ----------
>>Date: Mon, 27 Aug 2007 18:20:35 -0700
>>From: Barton B. Anderson <bartb@xxxxxxxxxxxxxxxx>
>>To: Tesla list <tesla@xxxxxxxxxx>
>>Subject: Re: Identifying Current and Voltage on vaguely marked MOT. (fwd)
>>
>>You need to measure to find out actual specs. Most MOTs will be less
>>than 2600 Vac and many meters will read about 700 Vac. That's a little
>>less than a factor of 4. But, protect your meter by being smarter than
>>the voltage. If you have the capability to vary the AC voltage from 0 to
>>full voltage (like a variac), start at 0V and slowly increase the
>>voltage until you are just below the meters specifications. Log down the
>>voltage on both the primary and secondary sides of the transformer.
>>    
>>
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>Or do what the pros do and put the 110V on the HV side, and measure 
>the low voltage side.
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>http://home.earthlink.net/~jimlux/hv/xfmrmeas.htm
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