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EnglishA 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
A Method for the Measurement of Digitizers’ Absolute Phase Error / Crotti, G.; Delle Femine, A.; Gallo, D.; Giordano, D.; Landi, C.; Luiso, M.; Scaldarella, A.. - In: JOURNAL OF PHYSICS. CONFERENCE SERIES. - ISSN 1742-6588. - 1065(2018), p. 052035. [10.1088/1742-6596/1065/5/052035]
| Titolo: | A Method for the Measurement of Digitizers’ Absolute Phase Error | |
| Autori: | ||
| Data di pubblicazione: | 2018 | |
| Rivista: | JOURNAL OF PHYSICS. CONFERENCE SERIES | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1088/1742-6596/1065/5/052035 | |
| Abstract: | A lot of engineering applications, from telecommunications to power systems, require accurate me...asurement 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 | |
| Full-text (pubblici): | open | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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