Abstract
In the distribution network, the power quality of an electrical supply plays a vital role for the satisfactory operation of home appliances. The electrical power network faces manifold challenges in the system as various kinds of local loads (e.g., constant impedance load, constant power load, constant current load, etc.) are tied at the common coupling point. In addition, the nonlinear loads pollute the supply currents by drawing the harmonic components from the source. This chapter deals with the classification, basic working principle, detailed discussion on various control strategies, and simulation results and analysis. The basic MATLAB model of the UPQC system is also provided in this chapter.
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Acknowledgements
P. Shah and X. Zhao are with the Intelligent Control and Smart Energy (ICSE) research group, School of Engineering, The University of Warwick, Coventry, CV4 7AL, United Kingdom. (Corresponding author: X. Zhao). This work was funded by the UK Engineering and Physical Sciences Research Council (EPSRC) under grant EP/S001905/1.
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Priyank Shah: Conceptualization; Methodology; Software; Validation; Formal Analysis; Investigation; Data Curation; Writing—Original Draft; Writing—Review & Editing; Visualization; Project Administration. Xiaowei Zhao: Conceptualization; Methodology; Formal Analysis; Investigation; Resources; Writing—Review & Editing; Visualization; Supervision; Project Administration; Funding acquisition.
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Appendix
Appendix
Solar Photovoltaic Array Parameters: \({P}_{pv}\) = 64 kW, \({V}_{oc}\) = 36.6 V, \({I}_{sc}\) = 7.97 A, \({V}_{DC}\) = 710 V; \({v}_{sab}\) = 415 V; \({K}_{p}\) = 0.01, \({K}_{i}\) = 0.001; \({C}_{DC}\) = 6450 μF; Shunt Converter Parameters: \({L}_{f}\) = 3 mH; Shunt Converter Ripple filter: \({R}_{f}\) = 10 Ω, \({C}_{f}\) = 10 μF; Nonlinear Load: \({R}_{L}\) = 30 Ω, \({L}_{L}\) = 80 mH; Series Converter Parameters: \({L}_{f}\) = 3.5 mH; Series Converter Ripple filter: \({R}_{f}\) = 5 Ω, \({C}_{f}\) = 25 μF; Sampling Time = 10 μs.
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Shah, P., Zhao, X. (2023). Unified Power Quality Conditioner. In: Giri, A.K., Arya, S.R., Guerrero, J.M., Kumar, S. (eds) Power Quality: Infrastructures and Control. Studies in Infrastructure and Control. Springer, Singapore. https://doi.org/10.1007/978-981-19-7956-9_5
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