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Why there is no harmonic analysis item in calibration certificate ?

April 26, 2017analysis calibration Certificate Harmonic

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Why there is no harmonic analysis item in calibration certificate ?

1 Answer

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10 Posted

Both basic measurement (voltage, current, electric power) and harmonic measurement are implemented based on PLL synchro system.Harmonic data is calculated based on the basic data ( voltage, current, electric power). Therefore, if the accuracy of basic data meets the specifications, then the harmonic measurement data is also approved to be within the specifications accordingly. This is the reason why no harmonic analysis item is presented in the calibration certificate.