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



---------- Forwarded message ----------
Date: Wed, 29 Aug 2007 17:20:33 -0700
From: Barton B. Anderson <bartb@xxxxxxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: Identifying Current and Voltage on vaguely marked MOT. (fwd)

Yes, this is exactly what Jim stated. It will give an approximation.

Take care,
Bart

Tesla list wrote:

>---------- Forwarded message ----------
>Date: Tue, 28 Aug 2007 20:32:39 -0700 (PDT)
>From: Mike <megavolts61@xxxxxxxxx>
>To: Tesla list <tesla@xxxxxxxxxx>
>Subject: Re: Identifying Current and Voltage on vaguely marked MOT. (fwd)
>
>Can you not apply 120V to the secondary and read off the primary voltage...That should give you a very good approximation to the voltage ratio...Then you have two variables to work with
>  Mike
>  
>
>---------- Forwarded message ----------
>Date: Mon, 27 Aug 2007 21:38:15 +0100
>From: Tom Trevethan <t.trevethan@xxxxxxxxx>
>To: Tesla list <tesla@xxxxxxxxxx>
>Subject: Re: Identifying Current and Voltage on vaguely marked MOT.
> (fwd)
>
>Not possible. Although most MOTs are around the 2 kV mark. If you have 
>a variac
>(or any low voltage AC source) you can measure the voltage ratio with a
>multi-meter and then scale up to mains voltage.
>
>MOTs can give around 400 - 500 mA, although they are not very good at
> current
>limiting, so don't short it (or use it in a Tesla coil) without a
> ballast.
>
>Tom
>
>Quoting Tesla list <tesla@xxxxxxxxxx>:
>
>  
>
>>---------- Forwarded message ----------
>>Date: Mon, 27 Aug 2007 00:21:46 -0500
>>From: Glen McGowan <glen.mcgowan@xxxxxxxxx>
>>To: Tesla list <tesla@xxxxxxxxxx>
>>Subject: Identifying Current and Voltage on vaguely marked MOT.
>>
>>Just curious if there's some super secret math out there that can
>>    
>>
> help me
>  
>
>>identify the rated voltage and current of a MOT.  I only have one
>>    
>>
> variable
>  
>
>>for the equations.... the MOT is labeled with 700W output. That's
>>    
>>
> it......
>
>
>       
>---------------------------------
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>