Research Article Open Access

Field Programmable Gate Array-Based Pulse-Width Modulation for Single Phase Active Power Filter

N. A. Rahim1 and Z. Islam1
  • 1 ,
American Journal of Applied Sciences
Volume 6 No. 9, 2009, 1742-1747

DOI: https://doi.org/10.3844/ajassp.2009.1742.1747

Submitted On: 18 July 2008 Published On: 30 September 2009

How to Cite: Rahim, N. A. & Islam, Z. (2009). Field Programmable Gate Array-Based Pulse-Width Modulation for Single Phase Active Power Filter . American Journal of Applied Sciences, 6(9), 1742-1747. https://doi.org/10.3844/ajassp.2009.1742.1747

Abstract

Problem statement: The design and implementation of a sinusoidal Pulse-Width Modulation (PWM) generator for a single-phase hybrid power filter is presented. Approach: The PWM was developed in an Altera® Flex 10 K Field Programmable Gate Array (FPGA) and the modulation index was selected by calculating the DC bus voltage of the active filter through a digital controller, by Proportional-Integral-Derivative (PID) technique. Results: Experiment results showed the proposed active power filter topology to be capable of compensating the load current and the voltage harmonic, up to IEC limit. Conclusion: The implemented PWM generator using an FPGA required less memory usage while providing flexible PWM patterns whether same phase, lagging, or leading, the reference voltage signal.

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Keywords

  • Active power filter
  • PWM
  • FPGA
  • power quality