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Combined Shunt and Series Active Power Filters

Abstract

This chapter describes the main features that can be achieved with the use of combined series and shunt active power filters. It studies the different strategies to provide balanced, sinusoidal, and regulated voltages at the load terminals, as well as to obtain balanced sinusoidal supply currents in phase with the supply voltages. These targets allow us to define the structure and control calculations of a unified power quality conditioner (UPQC). The analysis of the state- space model will show the behavior of the conditioner to tune the components and control parameters. This analysis is contrasted with the results obtained in simulation and experimental cases. The power flow control ...

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