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Sensors 2009, 9(9), 7412-7429; doi:10.3390/s90907412
Article
A Real-Time Smart Sensor for High-Resolution Frequency Estimation in Power Systems
David Granados-Lieberman 1 
, Rene J. Romero-Troncoso 1 , Eduardo Cabal-Yepez 1,*
, Roque A. Osornio-Rios 2 and Luis A. Franco-Gasca 3
, Rene J. Romero-Troncoso 1 , Eduardo Cabal-Yepez 1,*
, Roque A. Osornio-Rios 2 and Luis A. Franco-Gasca 3
1
HSPdigital Research Group, División de Ingenierías, Campus Irapuato-Salamanca, Universidad de Guanajuato / Carr. Salamanca-Valle km 3.5+1.8, Comunidad de Palo Blanco, 36700 Salamanca, Guanajuato, Mexico
2
Facultad de Ingeniería, Campus San Juan del Río, Universidad Autónoma de Querétaro / Río Moctezuma 249, Col. San Cayetano, 76807 San Juan del Río, Querétaro, Mexico
3
LabCASD, CIATEQ, Calz. del Retablo 150, Col. Fovissste, 76150 Querétaro, Qro., Mexico
* Author to whom correspondence should be addressed.
Received: 2 July 2009; in revised form: 9 September 2009 / Accepted: 14 September 2009 / Published: 15 September 2009
(This article belongs to the Special Issue Sensor Configuration and Smart Sensors)
Download PDF Full-Text [419 KB, uploaded 15 September 2009 10:15 CEST]
Abstract: Power quality monitoring is a theme in vogue and accurate frequency measurement of the power line is a major issue. This problem is particularly relevant for power generating systems since the generated signal must comply with restrictive standards. The novelty of this work is the development of a smart sensor for real-time high-resolution frequency measurement in accordance with international standards for power quality monitoring. The proposed smart sensor utilizes commercially available current clamp, hall-effect sensor or resistor as primary sensor. The signal processing is carried out through the chirp z-transform. Simulations and experimental results show the efficiency of the proposed smart sensor.
Keywords: smart sensor; frequency estimation; chirp z-transform; high resolution; power systems
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MDPI and ACS Style
Granados-Lieberman, D.; Romero-Troncoso, R.J.; Cabal-Yepez, E.; Osornio-Rios, R.A.; Franco-Gasca, L.A. A Real-Time Smart Sensor for High-Resolution Frequency Estimation in Power Systems. Sensors 2009, 9, 7412-7429.
AMA StyleGranados-Lieberman D, Romero-Troncoso RJ, Cabal-Yepez E, Osornio-Rios RA, Franco-Gasca LA. A Real-Time Smart Sensor for High-Resolution Frequency Estimation in Power Systems. Sensors. 2009; 9(9):7412-7429.
Chicago/Turabian StyleGranados-Lieberman, David; Romero-Troncoso, Rene J.; Cabal-Yepez, Eduardo; Osornio-Rios, Roque A.; Franco-Gasca, Luis A. 2009. "A Real-Time Smart Sensor for High-Resolution Frequency Estimation in Power Systems." Sensors 9, no. 9: 7412-7429.