Novel Segmentation Technique for Measured Three-Phase Voltage Dips
Abstract
:1. Introduction
2. Methodology
2.1. Detection Algorithm
2.1.1. Signal Modelling Based on Filtering
2.1.2. Detection Parameter Algorithm Based on Cumulative Sum Theory
2.1.3. Decision-Making
2.2. Segmentation Algorithm
2.2.1. Causal and Anti-Causal Method
2.2.2. Estimation of the Signal Transitions Based on Causal and Anti-Causal Method
2.3. Methodology of Proposed Method for Fast Detection and Segmentation of Three-Phase Dips
3. Results and Discussion
3.1. Segmentation Using Causal and Anti-Causal Methods
3.1.1. First Transition
Phase | Tc (sample) | Tac (sample) | Nc (sample) | Nac (sample) | Sc (sample) | Sac (sample) |
---|---|---|---|---|---|---|
A | 454 | 449 | 3 | 7 | 451 | 457 |
B | 465 | 445 | 8 | 3 | 457 | 449 |
C | 464 | 443 | 7 | 5 | 457 | 449 |
3.1.2. Second Transition
Phase | Tc (sample) | Tac (sample) | Nc (sample) | Nac (sample) | Sc (sample) | Sac (sample) |
---|---|---|---|---|---|---|
A | - | - | - | - | - | - |
B | 714 | 710 | 6 | 1 | 708 | 712 |
C | 717 | 712 | 3 | 7 | 714 | 720 |
3.1.3. Third Transition
Phase | Tc (sample) | Tac (sample) | Nc (sample) | Nac (sample) | Sc (sample) | Sac (sample) |
---|---|---|---|---|---|---|
A | 1684 | 1667 | 5 | 2 | 1679 | 1670 |
B | 1675 | 1684 | 3 | 3 | 1672 | 1688 |
C | 1694 | 1678 | 4 | 3 | 1690 | 1682 |
3.2. Estimate of the Signal Transitions Based on Causal and Anti-Causal Method
3.2.1. First Transition
3.2.2. Second Transition
3.2.3. Third Transition
3.2.4. Final Three-Phase Segmentation of the Signal Transitions
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Moreno-Garcia, I.M.; Moreno-Munoz, A.; Gil-de-Castro, A.; Bollen, M.; Gu, I.Y.H. Novel Segmentation Technique for Measured Three-Phase Voltage Dips. Energies 2015, 8, 8319-8338. https://doi.org/10.3390/en8088319
Moreno-Garcia IM, Moreno-Munoz A, Gil-de-Castro A, Bollen M, Gu IYH. Novel Segmentation Technique for Measured Three-Phase Voltage Dips. Energies. 2015; 8(8):8319-8338. https://doi.org/10.3390/en8088319
Chicago/Turabian StyleMoreno-Garcia, Isabel M., Antonio Moreno-Munoz, Aurora Gil-de-Castro, Math Bollen, and Irene Y. H. Gu. 2015. "Novel Segmentation Technique for Measured Three-Phase Voltage Dips" Energies 8, no. 8: 8319-8338. https://doi.org/10.3390/en8088319