Two-Level Algorithm for UPQC Considering Power Electronic Converters and Transformers

The optimal sizing of the unified power quality conditioner (UPQC) system has been investigated in this paper. The optimal VA ratings of the transformer and series/shunt converter of the UPQC system are designed by a two-level algorithm. The UPQC-P and UPQC-VAmin based systems are chosen as the benc...

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Bibliographic Details
Main Authors: Ye, Jian, Gooi, Hoay Beng, Zhang, Xinan, Wang, Benfei, Manandhar, Ujjal
Format: Conference Proceeding
Language:English
Subjects:
displacement angle control (DAC)
Linear programming
Loading
Mathematical model
optimal volt-ampere (VA) rating/loading
Pareto optimization
Power quality
Reactive power
reactive power sharing
unified power quality conditioner (UPQC)
voltage sag and swell
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Summary:The optimal sizing of the unified power quality conditioner (UPQC) system has been investigated in this paper. The optimal VA ratings of the transformer and series/shunt converter of the UPQC system are designed by a two-level algorithm. The UPQC-P and UPQC-VAmin based systems are chosen as the benchmarks in this paper. Furthermore, the displacement angle control (DAC) is utilized to minimize the overall VA loading of the power converters for all operational points. Finally, the corresponding controllers are developed for the designed systems.
ISSN:2470-6647
DOI:10.1109/APEC.2019.8722007