Assessment of Direct and Indirect Current Control Techniques Applied to Active Power Filters

Author(s): Mohamed Adel*, Tarek Kandil

Journal Name: Recent Advances in Electrical & Electronic Engineering
Formerly Recent Patents on Electrical & Electronic Engineering

Volume 13 , Issue 8 , 2020


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Abstract:

Background: In this paper, an assessment of active power filter (APF) performance is presented under direct and indirect current control schemes through on-line compensation theory.

Methods: Conventional Direct Current Control (DCC) measures both load current and filter current beside source and DC-link voltages, while Indirect Current Control (ICC) measures only source current beside voltage measurements. Both DCC and ICC control algorithms are implemented using 80C196KC low-cost microcontroller.

Results: The performance parameters of APF are compared under two methods, and it is assigned that ICC gives a better performance with lower cost due to reduced number of sensors. The DC-link output voltage is controlled through simple PI-controller, and the PWM switching signals required by APF power circuit is obtained by hysteresis current controller.

Conclusion: The comparative simulation and experimental results exhibit that performance of APF due to ICC scheme is superior than DCC one.

Keywords: Active power filter, direct current control, indirect current control, harmonic distortion, reactive power, sinusoidal reference waveform.

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Article Details

VOLUME: 13
ISSUE: 8
Year: 2020
Published on: 03 December, 2020
Page: [1256 - 1265]
Pages: 10
DOI: 10.2174/2352096513999200710143353
Price: $25

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