International Journal of Power Electronics and Drive Systems (IJPEDS)
Vol 12, No 3: September 2021

Digital controller for active power filter based on P-Q theory under non-ideal main voltages

Moh. Jauhari (Politeknik Negeri Madura (POLTERA))
Mohammad Nur (Politeknik Negeri Madura (POLTERA))
Kukuh Widarsono (Politeknik Negeri Madura (POLTERA))

Article Info

Publish Date
01 Sep 2021

Abstract

This paper proposes a control strategy active power filter under non-ideal main voltages. The P-Q Theory is used to generate three-phase active power filter reference currents, but the P-Q Theory has a weakness when implemented under non ideal main voltages. This paper proposes a reference current generation method using modified P-Q Theory under non-ideal main voltages conditions. Before calculating the P-Q Theory, the non-ideal voltage at the source is normalized by using PLL to determine the phase angle which is then carried out by generating an ideal three-phase signal. The proposed method is simulated and implemented in a three-phase active power filter controller. The test results show the improvement in the performance of the P-Q Theory under non ideal main voltages with THD 7.21% to THD 3.29%.

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Journal Info
International Journal of Power Electronics and Drive Systems (IJPEDS)
Website

Abbrev

IJPEDS

Publisher

Institute of Advanced Engineering and Science

Subject

Control & Systems Engineering Electrical & Electronics Engineering

Description

International Journal of Power Electronics and Drive Systems (IJPEDS, ISSN: 2088-8694, a SCOPUS indexed Journal) is the official publication of the Institute of Advanced Engineering and Science (IAES). The scope of the journal includes all issues in the field of Power Electronics and drive systems. ...