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Advanced Active Power Filter to Improve Power Quality
Date
2011-09-10
Author
Gurguiatu, Gelu
Balanuta, Ciprian
Rosu, Emil
Munteanu, Toader
Dumitrescu, Mariana
Raducan, Elena
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
.
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This paper presents a three-phase Active Power Filter (APF) to improve grid power quality. Starting from indirect control strategy which was used only for three legs - three wires it is proposed in this paper to be used a bridge with three legs - four wire. The new control strategy it was named extended indirect control strategy. The extension consists in passing from the control of a three wire active power filter to the control of a four wire active power filter. The proposed active power filter can compensate the current harmonics and correct the power factor. Nloreover, the proposed control strategy allows the line current at the point of common coupling (FCC) to be balanced and sinusoidal even when the load is unbalanced. Consequently the voltage at the PC becomes balance. Simulation results show the validity of the proposed control strategy.
Subject Keywords
Active filters
,
Power factor
,
Power grids
,
Power harmonic filters
,
Power supply quality
,
Power system control
URI
https://hdl.handle.net/11511/68316
Collections
Unclassified, Conference / Seminar
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G. Gurguiatu, C. Balanuta, E. Rosu, T. Munteanu, M. Dumitrescu, and E. Raducan, “Advanced Active Power Filter to Improve Power Quality,” 2011, p. 484, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/68316.
