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FPGA-based voltage measurements in AC drives
University of Padova, Italy.
University of Padova.
2010 (English)In: 19th International Conference on Electrical Machines, ICEM 2010, 2010, p. 1-6Conference paper, Published paper (Refereed)
Abstract [en]

In the modern sensorless and self-commissioning drives scenario, the availability of precise phase voltage measurement represents an undoubted advantage. But the task is not trivial, and few viable solutions are available. The present paper proposes an up-to-date digital method for the measurement of the instantaneous phase voltages of a three-phase PWM inverter. The phase-to-phase PWM inverter voltages are oversampled with respect to the switching period by fast A/D converters, which feed the FPGA-based digital integrator. The digital output is ready for further uses in any advanced control and estimation algorithm. Measurement repeatability, reduced size, tuning-free circuit are among the inherent side-advantages of the FPGA-based solution with respect to the existing analog ones. The paper includes design hints and a full batch of experimental tests and validations.

Place, publisher, year, edition, pages
2010. p. 1-6
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-235035DOI: 10.1109/ICELMACH.2010.5608153Scopus ID: 2-s2.0-78649546572ISBN: 9781424441754 (print)OAI: oai:DiVA.org:kth-235035DiVA, id: diva2:1248348
Conference
19th International Conference on Electrical Machines, ICEM 2010, Rome, Italy, 6 September 2010 through 8 September 2010CEM)
Note

QC 20180921

Available from: 2018-09-14 Created: 2018-09-14 Last updated: 2018-09-21Bibliographically approved

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