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When i playback, voltage magnitudes are correct but frequencies are not

asked 2020-09-23 05:17:55 -0500

yumuklu_sucurta gravatar image


I have a problem with playback function. When i playback some pmu measurements, the voltages are played back correctly. However, frequencies are not played back correctly. It's like frequency deviation lags behind the time and also is not correct.

I generate my own .plb file PMU measurements using the measurements on a specific bus.

Is there something I should change while a I generate my own measurements?


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answered 2020-09-23 06:24:21 -0500

perolofl gravatar image

The bus voltage frequency is calculated from the voltage angle with a filter of normally 40 ms (four time steps). That may explain the lag you see.

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Asked: 2020-09-23 05:17:55 -0500

Seen: 131 times

Last updated: Sep 23