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Single-phase active power harmonics filter by Op-Amp circuits and power electronics devices
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för elektronikkonstruktion.ORCID-id: 0000-0002-8982-5003
Department of Engineering, Atlas Danesh Co, Iran.
University of Mazandaran, Babolsar, Iran.
University of Beira Interior, Covilhã, Portugal.
Vise andre og tillknytning
2018 (engelsk)Inngår i: Sustainability, ISSN 2071-1050, E-ISSN 2071-1050, Vol. 10, nr 12, artikkel-id 4406Artikkel i tidsskrift (Fagfellevurdert) 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. 

sted, utgiver, år, opplag, sider
2018. Vol. 10, nr 12, artikkel-id 4406
Emneord [en]
Active power harmonics filter, Electrostatic devices, Hysteresis switching, Op-amp, Power electronics
HSV kategori
Identifikatorer
URN: urn:nbn:se:miun:diva-35159DOI: 10.3390/su10124406ISI: 000455338100072Scopus ID: 2-s2.0-85057236924OAI: oai:DiVA.org:miun-35159DiVA, id: diva2:1269669
Tilgjengelig fra: 2018-12-11 Laget: 2018-12-11 Sist oppdatert: 2019-03-15bibliografisk kontrollert

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