A Novel Control Strategy for Three-Phase UPS Based on B-Spline Network

Date

2011-09-10

Author

Niroomand, Mehdi
Farhadi, Yahya
Moallem, Payman

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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 is concerned with the control of three-phase Uninterruptible Power Supply (UPS) systems based on a B-spline Network (BSN). A UPS must be able to maintain regulated output voltage in the face of all line/load disturbances. To achieve this, the control system of a UPS must have a fast transient response and a low steady-state error. Fast controllers cannot always maintain the required steady-state accuracy. Therefore, in this paper, a hybrid control solution is proposed. In the proposed method, a fast yet simple controller based on deadbeat (DB) control law is used to achieve the fast transient response required for UPS output voltage control. A B-spline based controller is added to the deadbeat controller to improve steadystate performance of the UPS system. This results in distortion free output voltage along with a fast error convergence. The system modeling and controller design for the proposed structure are presented in this paper. Simulations results are shown for verification of the theoretical analysis

Subject Keywords

Terms hybrid control, Three-phase UPS, B-spline, (BSN), Deadbeat control (DB)

URI

https://hdl.handle.net/11511/67313

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Unclassified, Conference / Seminar

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Citation Formats

M. Niroomand, Y. Farhadi, and P. Moallem, “A Novel Control Strategy for Three-Phase UPS Based on B-Spline Network,” 2011, p. 84, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/67313.