Improved Disturbance Detection Technique for Power-Quality Analysis

This paper presents an improved technique for detecting disturbances in voltage signals for power quality analysis. The main advantage of the proposed technique lies in its capability to detect disturbances when power frequency is time-varying. In addition, the technique is capable of detecting dist...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2011-04, Vol.26 (2), p.1286-1287
Main Authors: Marques, C A G, Ferreira, D D, Freitas, L R, Duque, C A, Ribeiro, M V
Format: Article
Language:English
Subjects:
Applied sciences
Disturbance detection
Disturbances
Electric potential
Electrical engineering. Electrical power engineering
Electrical power engineering
Exact sciences and technology
Frames
Frequency estimation
Higher order statistics
Monitoring
Noise reduction
Operation. Load control. Reliability
Performance enhancement
Power electronics, power supplies
Power networks and lines
Power quality
power quality (PQ)
Simulation
Transient analysis
Voltage
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Summary:This paper presents an improved technique for detecting disturbances in voltage signals for power quality analysis. The main advantage of the proposed technique lies in its capability to detect disturbances when power frequency is time-varying. In addition, the technique is capable of detecting disturbances in frames corresponding to 1/64 of the fundamental component. Simulation results indicate that the proposed technique can offer improved performance in comparison with previous one.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2010.2092571