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Single-phase active power harmonics filter by Op-Amp circuits and power electronics devices
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.ORCID iD: 0000-0002-8982-5003
Department of Engineering, Atlas Danesh Co, Iran.
University of Mazandaran, Babolsar, Iran.
University of Beira Interior, Covilhã, Portugal.
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2018 (English)In: Sustainability, ISSN 2071-1050, E-ISSN 2071-1050, Vol. 10, no 12, article id 4406Article in journal (Refereed) Published
Abstract [en]

This paper introduces a new structure for single-phase Active Power Harmonics Filter (APHF) with the simple and low-cost controller to eliminate harmonics and its side effects on low voltage grid. The proposed APHF includes an accurate harmonic detector circuit, amplifier circuit to trap tiny harmonics, switching driver circuit for precise synchronization, and inverter to create injection current waveform, which is extracted from reference signal. The control circuits are based on electrostatic devices consist of Op-Amp circuits. Fast dynamic, simplicity, low cost, and small size are the main features of Op-Amp circuits that are used in the proposed topology. The aim is removing the all grid harmonic orders in which the proposed APF injects an appropriate current into the grid in parallel way. The proposed control system is smart enough to compensate all range of current harmonics. A prototype is implemented in the power electronics laboratory and it is installed as parallel on a distorted grid by the non-linear load (15 APeak-Peak) to verify the compensating of harmonics. The harmonics are compensated from THD% = 24.48 to THD% = 2.86 and the non-sinusoidal waveform is renovated to sinusoidal waveform by the proposed APHF. The experimental results show a good accurate and high-quality performance. 

Place, publisher, year, edition, pages
2018. Vol. 10, no 12, article id 4406
Keywords [en]
Active power harmonics filter, Electrostatic devices, Hysteresis switching, Op-amp, Power electronics
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-35159DOI: 10.3390/su10124406ISI: 000455338100072Scopus ID: 2-s2.0-85057236924OAI: oai:DiVA.org:miun-35159DiVA, id: diva2:1269669
Available from: 2018-12-11 Created: 2018-12-11 Last updated: 2019-03-15Bibliographically approved

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Samadaei, Emad

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