Good evening, I’m trying to realize a control for a synchronous generator in stand-alone mode. The problem is in the calculation of the rms of the voltages values at terminals of generator (rate 230 V phase to neutral) . I acquire the data from a NI 9225 module but when I calculate the rms, the values obtained moves in a range too wide. For example, if I measure 8 volts with a normal multimiter, in the labview program this values moves between 7 and 9. I’m using a NI chassis 9076 and two modules 9225 and 9076 for input and output and working with FPGA. May you help me? Thanks Best regards

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LabVIEW

Yeah, I would look at the loop timer.

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