[time-nuts] Logging the grid frequency....

Daniel Mendes dmendesf at gmail.com
Fri Feb 22 11:25:44 EST 2013


No, just designing a very wicked PLL and needing statistics of the 
frequency derivative... No generator is involved, it´s mains frequency 
(but you gave me another idea... thanks!).

Daniel

Em 22/02/2013 11:53, Chuck Harris escreveu:
> Curiosity makes me wonder why you want to measure cycle-by-cycle
> variations in the generator frequency.
>
> Are you looking for cycle swing when the load changes?
>
> Or is it a matter of wanting to because you should be able to?
> Which, of course, is a great reason for doing all sorts of things!
>
> -Chuck Harris
>
> Daniel Mendes wrote:
>>
>> Hi, I have a Picotest U6200A. I´m trying to log the grid frequency 
>> (60Hz) to generate
>> data for my work. I need to get data from every cycle. I setup their 
>> program (it
>> always starts in chinese... very funny) but seems that it can only 
>> log every 100ms.
>> Questions:
>>
>> 1) Is that a limitation of the equipment or the software?
>>
>> 2) Using direct comands, can I get data faster?
>>
>> Thanks for any help...
>>
>> Daniel
>>
>>
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