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Are there any standard in meter sample rate?

Metering & Power Quality

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sesa252887_brid
Schneider Alumni (Retired)
Schneider Alumni (Retired)
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124

Are there any standard in meter sample rate?

2 Replies 2
sesa50168
Schneider Alumni (Retired)
Schneider Alumni (Retired)

Re: Are there any standard in meter sample rate?

I am not aware of any standard regarding sample rate. But harmonic calculation is tied directly to sample rate. The sample rate has to be at least twice +1 for the calculated harmonic. Thus you need a sample rate of 128 samples per cycle to determine harmonics through the 63rd. And of course, the higher the sample rate, the better the resolution of any waveforms captured.

sesa252887_brid
Schneider Alumni (Retired)
Schneider Alumni (Retired)
0 Likes
0
91

Re: Are there any standard in meter sample rate?

Thanks. I will use this argument with consultant. Hopefully I do not need to teach them nyquist theorem first.