Single-Phase Universal Power Compensator with an Equal VAR Sharing Approach

Nishant Patnaik, Richa Pandey, Raavi Satish, Balamurali Surakasi, Almoataz Y. Abdelaziz and Adel El-Shahat
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Nishant Patnaik: Department of Electrical and Electronics Engineering, Chaitanya Bharathi Institute of Technology, Hyderabad 500075, India
Richa Pandey: Department of Electrical and Electronics Engineering, MVGR College of Engineering, Vizianagaram 530048, India
Raavi Satish: Department of Electrical and Electronics Engineering, Anil Neerukonda Institute of Technology and Sciences, Visakhapatnam 531162, India
Balamurali Surakasi: Department of Electrical and Electronics Engineering, Anil Neerukonda Institute of Technology and Sciences, Visakhapatnam 531162, India
Almoataz Y. Abdelaziz: Faculty of Engineering and Technology, Future University in Egypt, Cairo 11835, Egypt
Adel El-Shahat: Energy Technology Program, School of Engineering, Purdue University, West Lafayette, IN 47906, USA

Energies, 2022, vol. 15, issue 10, 1-20

Abstract: In this manuscript, we propose a single-phase UPC (universal power compensator) system to extensively tackle power quality issues (voltage and current) with an equal VAR (volt-ampere reactive) sharing approach between the series and shunt APF (active power filter) of a UPC system. The equal VAR sharing feature facilitates the series and shunt APF inverters to be of an equal rating. An SRF (synchronous reference frame)-based direct PA (power angle) calculation technique is implemented to realize equal VAR sharing between the APFs of the UPC. This PA estimation utilizes d and q axis current parameters derived for the reference signal generation of the shunt APF. An SRF-based method is highly useful for power estimations in distorted supply voltage conditions compared with other conventional methods, i.e., the PQ method. It comprises a reduced complexity and estimations with an easiness to retain two APF inverters of equal rating. A rigorous simulation analysis is performed with MATLAB/SIMULINK and a real-time digital simulator (OPAL-RT) for addressing different power quality-disturbing elements such as current harmonics, voltage harmonics, voltage sag/swell and load VAR demand with the proposed method.

Keywords: APF; power quality; SRF; UPC; VAR (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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