Published November 13, 2018
| Version v1
Journal article
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A Method for the Measurement of Digitizers' Absolute Phase Error
Authors/Creators
- 1. Istituto Nazionale di Ricerca Metrologica, INRIM, Italy
- 2. Università degli Studi della Campania "Luigi Vanvitelli", Italy
Description
A lot of engineering applications, from telecommunications to power systems, require accurate measurement of phase angles. Some of them, like synchrophasor measurement and calibration of instrument transformers with digital output, in order to reach high phase measurement accuracy, require the knowledge of phase error of digitizers. Therefore, in this paper a method for the measurement of digitizers' absolute phase errors is proposed. It adopts a sinewave and two square waves, that are the digitizer sample clock and a phase reference signal. Combining the measurements of the relative phase differences between the adopted signals it is possible to accurately evaluate the absolute phase error of a digitizer.
Notes
The work reported here has received support from the EMPIR programme co-financed by the Participating States and from the European Union's
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Related works
- Is identical to
- Journal article: 10.1088/1742-6596/1065/5/052035 (DOI)