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EnglishThe paper deals with the metrological characterization of a digital wattmeter developed by using a personal computer, a shunt, two commercial data acquisition boards and commercial software. The uncertainty of the active power measurements is assessed individually characterizing the voltage channel, the current channel and the phase displacement measurement between the two channels. In particular, the uncertainty on the voltage and current rms measurements is evaluated by using an already proposed approach based on the Monte Carlo method and on the usage of five parameters, while the uncertainty on the phase angle is experimentally estimated. In order to validate the proposed approach for the uncertainty evaluation, various experiments were carried out and a comparison with the Italian National Standard wattmeter was made. The results show that the proposed PC-based solution can be suitable for the development of standard instrumentation, since its accuracy is comparable to the accuracy of much more expensive and sophisticated instrumentation
Cataliotti, A., Cosentino, V., DI CARA, D., Lipari, A., Nuccio, S., & Spataro, C. (2011). Uncertainty evaluation in power measurements with commercial data acquisition boards. In Proceedings of IMEKO TC4 IWADC 2011, Imeko TC4 International Workshop on ADC Modelling, Testing and Data Converter Analysis and Design and IEEE 2011 ADC Forum (pp.312-317).
| Autori: | Cataliotti, A.; Cosentino, V.; DI CARA, D.; Lipari, A.; Nuccio, S.; Spataro, C. |
| Titolo: | Uncertainty evaluation in power measurements with commercial data acquisition boards |
| Settore Scientifico Disciplinare: | Settore ING-INF/07 - Misure Elettriche E Elettroniche |
| Data di creazione: | 2011-06 |
| Nome del convegno: | 2011 International Workshop on ADC Modelling, Testing and Data Converter Analysis and Design and IEEE 2011 ADC Forum |
| Luogo del convegno: | Orvieto, Italy |
| Anno del convegno: | June 30 - July 1, 2011 |
| Data di pubblicazione: | 2011 |
| Numero di pagine: | 6 |
| Citazione: | Cataliotti, A., Cosentino, V., DI CARA, D., Lipari, A., Nuccio, S., & Spataro, C. (2011). Uncertainty evaluation in power measurements with commercial data acquisition boards. In Proceedings of IMEKO TC4 IWADC 2011, Imeko TC4 International Workshop on ADC Modelling, Testing and Data Converter Analysis and Design and IEEE 2011 ADC Forum (pp.312-317). |
| Tipologia: | 0 - Proceedings (TIPOLOGIA NON ATTIVA) |
| Appare nelle tipologie: | 0 - Proceedings (TIPOLOGIA NON ATTIVA) |
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