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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Roncero-Sanchez, P. del Toro Garcia, X. Parreo, A. Batlle, V.F. |
| Copyright Year | 2009 |
| Description | Author affiliation: Robotics and Automation Centre, Albacete Science and Technology Park, Paseo de la Innovación 1, 02006, Albacete, Spain (Parreo, A.) || School of Industrial Engineering, University of Castilla-La Mancha, Campus Universitario S/N, 13071, Ciudad Real, Spain (Roncero-Sanchez, P.; del Toro Garcia, X.; Batlle, V.F.) |
| Abstract | The continuous monitoring of voltage characteristics in electric power systems, such as in grid-connected power converters, is required for power quality assessment and control purposes. This paper presents a fast method to estimate the fundamental frequency of the grid voltage in balanced three-phase systems containing harmonic distortion. The proposed solution is based on a fast algebraic method, which is able to calculate the frequency of a pure sinusoidal signal. Due to the presence of harmonic distortion in the grid voltage some processing is previously carried out, involving coordiante transformations and several repetitive filters. Simulation and experimental results prove the validity of the method in balanced three-phase systems containing harmonic distortion. Furthermore, a fast and accurate estimation of the frequency is obtained even in the presence of amplitude and frequency variations. The response time achieved is around half the period of the fundamental voltage component. |
| Starting Page | 1 |
| Ending Page | 9 |
| File Size | 370428 |
| Page Count | 9 |
| File Format | |
| ISBN | 9781424444328 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-09-08 |
| Publisher Place | Spain |
| Access Restriction | Subscribed |
| Subject Keyword | Harmonics Estimation technique Control systems Frequency estimation Voltage control Power Quality Delay Filters Power quality Harmonic distortion Power systems Amplitude estimation Monitoring Three-phase system |
| Content Type | Text |
| Resource Type | Article |
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