[Home][2015 Index] [TCML] meteringRe: Power factor correction [Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[TCML] meteringRe: Power factor correction




----- Original Message -----
> 
> If you have dire need to measure current and cant get a CT. In a pinch, I
> once used a short segment of #10 solid core wire to measure 35 or so amps of
> current, which was outside the range of my measuring device at the time.
> I measured the resistance along the length and found a length that
> corresponded to .1ohms.  (like a foot or wire or so) then i soldered 2 loops
> of smaller wire at those locations so i could clip on my multimeter.  Solder
> some ring connectors a little further down. Measure the millivolts and you
> can easily determine the current.Calibrated it by using my meter and
> verifying it was accurate at lower currents.  Of course it gets less
> accurate when it starts getting warm and its dangerous, but its still
> reasonably close at currents around the wires standard rating.
> Worked great in a pinch!Probably not ideal for what your trying to do, but
> figured i'd offer the concept for inquiring minds anyway.
    
     I used the same technique on my motorcycle, years back.
     Taking reasonable care in construction, its still there,
     still working.

best
 dwp
_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxx
http://www.pupman.com/mailman/listinfo/tesla