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   sci.electronics.basics      Elementary questions about electronics      72,318 messages   

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   Message 71,712 of 72,318   
   Arie de Muynck to Bob Engelhardt   
   Re: Power in use indicator please ?   
   07 Jun 20 15:23:00   
   
   From: no.spam@no.spam.org   
      
   On 2020-06-07 14:07, Bob Engelhardt wrote:   
   > On 6/6/2020 3:35 PM, Pimpom wrote:   
   >> This should work:   
   >> https://www.dropbox.com/s/ablk0cc0iqfhsta/Load%20presence%20i   
   dicator.png?dl=0   
   >>   
   >>   
   >> Diodes D1-D4 must be able to handle the load, including startup current.   
   >   
   > I like it.  KISS.  A small point: only need one of the D3/D4 pair.   
      
   That would produce a small amount of DC in the pump voltage. Shaded pole   
   motors are very sensitive to that - with some DC you can easily use them   
   as brake. Better "Keep It Symmetrical [and] Safer".   
      
   Arie   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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