publication . Conference object . 1998

Digital simulation of a hybrid active filter-an active filter in series with a shunt passive filter

I. Mahesh Sitaram; K.R. Padiyar; V. Ramanarayanan;
Open Access
  • Published: 01 Jan 1998
  • Publisher: IEEE
  • Country: India
Abstract
Active filters have long been in use for the filtering of power system load harmonics. In this paper, the digital simulation results of a hybrid active power filter system for a rectifier load are presented. The active filter is used for filtering higher order harmonics as the dominant harmonics are filtered by the passive filter. This reduces the rating of the active filter significantly. The DC capacitor voltage of the active filter is controlled using a PI controller.
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Subjects
free text keywords: Electrical Engineering, Active filter, High-pass filter, Butterworth filter, Filter design, Capacitor-input filter, Electronic engineering, Band-stop filter, Electronic filter topology, Voltage-controlled filter, Control theory, Computer science
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