Indirect Current Control Algorithm Implementation and Validation, for Active Filtering Using Constant Switching Frequency Hysteresis Controllers
Journal Title: ANALELE UNIVERSITATII DIN CRAIOVA - Seria Inginerie electrica - Year 2018, Vol 42, Issue 0
Abstract
The aim of this paper is the implementation and the experimental validation of a constant switching frequency hysteresis current controller as a part of an active filtering system control algorithm, based on the indirect current control. The classical choices in the literature are the hysteresis current controller and the PI controller both with their corresponding advantages and disadvantages. A solution which achieves the advantages of both classical hysteresis and PI controllers is the constant switching frequency hysteresis current controller. This controller can be obtained by combining the hysteresis comparators with the PWM suboptimal modulator. The performances of the active filtering system based on the indirect current control and the proposed controller are compared with the corresponding performances obtained by the same system implemented with the well documented PI current controller. The regulator implementation and performance comparative study were accomplished on a comprehensive experimental active filtering system based on the dSpace DS1103 prototyping board.
Authors and Affiliations
Mihaita Linca, Vlad Constantin Suru, Cristina Alexandra Preda
Keywords
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