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Active Power Line Conditioners by Jaime Prieto Thomas, Salvador Pérez Litrán, Patricio Salmeron Revuelta

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5

Series Active Power Filters

Abstract

This chapter describes the most common control strategies applicable to active filters of series connection. The behavior of the active filter in steady state is analyzed. This allows a theoretical analysis of three different control strategies: detection of the source current, detection of the load voltage, and hybrid. The analysis is performed from the point of view of the distortion produced by the load and the distortion due to other nonlinearities than those produced by the load. In addition, the state model for a series active filter has been obtained. From system state equations, behavior for the three proposed strategies is analyzed, which allows to establish design rules for each of them. The ...

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