Document Type

Article

Rights

Available under a Creative Commons Attribution Non-Commercial Share Alike 4.0 International Licence

Disciplines

2.2 ELECTRICAL, ELECTRONIC, INFORMATION ENGINEERING

Abstract

In this paper, a method is presented for the control of grid voltage sensorless single-phase half-bridge shunt active power filter to reduce the grid current harmonics of low-power single-phase non-linear loads. The proposed system forces the grid current to be sinusoidal without sensing and processing the grid voltage on the line. For this reason, instead of grid voltage the load current is processed by using self-tuning filter to generate reference grid current to eliminate current harmonic distortions. In order to design a low-cost system, a half-bridge voltage source converter is used to reduce driver circuits. In addition, the switching losses are also reduced by employing half-bridge voltage source converter, where only two switches are used. The imbalance voltages are also successfully eliminated on the DC-side capacitors. The performance of the proposed system is verified by using a real-time platform, and experimental results are presented to verify the effectiveness of the proposed system in this study.

DOI

https://doi.org/10.1080/15325008.2017.1407839

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