TIC ringrotor control box smoke

[Dean Norris]

At 13:25 11/11/96 -0500, you wrote:
>This is the reason I hate ZNR's! They are a fire hazard looking for
>someplace to happen. They are made out of a stack of single plate low
>voltage devices, with the number of single devices determining the overall
>breakdown voltage of the device. Thing is, with time and a few spikes here
>and there, one by one, the single devices short out. As each one goes,
>the overall breakdown voltage of the device decreases with time, until
>finally the one goes and the voltage rating goes below the operating voltage,
>with smoke and fourletterwords as the result. These things really are a time
>bomb, and several house fires have been attributed to them...
>
>-Tony, K1KP, fisher@hp-and2.an.hp.com


Tony... what is a ZNR?

Thx, cdn

           C. Dean Norris
      Amateur Radio Station K7NO             
      e-mail to dnorris@k7no.com 
         Forever Conservative


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