Wouldn't harmonics show on the power analyzer?
On Mon, May 27, 2013 at 2:30 PM, Duncan Cumming <[email protected]> wrote:
> With chopped DC, a clamp on ammeter will show the AC component. So if you
> had 0 to 1 amp chopped, the ammeter would show 0.5 amps peak AC. So you get
> a partial reading, substantially less than the true current that is actually
> flowing. IMHO, this could have happened at the demo. I am not saying that it
> did (I was not there), merely that it could have.
>
> Duncan
>
> On 5/26/2013 8:09 PM, a.ashfield wrote:
>>
>> Duncan Cumming
>> "No, it does not. What happens is that the diode rectifies the mains to
>> DC, and the DC is not sensed by the clamp-type current meter. "
>>
>> What would the clamp on meter show with chopped DC?
>>
>>
>>
>
