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3 articles for “Harmonic elimination”
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Harmonic Elimination in Photovoltaic (PV) Systems Using Various Multilevel Inverter Topologies
Abstract: The increasing penetration of photovoltaic (PV) systems into modern power grids necessitates advanced power electronic interfaces capable of delivering high-quality electrical power with minimal harmonic distortion. Multilevel inverters (MLIs) have emerged as an effective solution due to their ability to synthesize near-sinusoidal output voltages with reduced switching losses and electromagnetic interference. This study presents a comprehensive investigation of harmonic elimination in grid-connected PV systems using 5-level, 7-level, and 11-level multilevel …
Published in Trends in Electrical Engineering · Vol. 16, Issue 1, 2025 · pp. 01–18 Read article
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Contribution of Dalak (Massage) in the Treatment of Waja-uz-Zohar (Back Pain): A Review
Abstract: Classical Unani literature presents a detailed understanding of Waja-ul-Mafasil (diseases of bones and joints) among which Waja-uz-Zohar (low back pain) has received extensive attention. Distinguished Unani physicians meticulously described its etiology, clinical features, complications, and treatment modalities. According to Unani theory Waja-uz-Zohar is defined as pain originating from the muscles, ligaments, and connective tissues surrounding the lumbar and lumbosacral regions. Prominent scholars, such as Ibn Sina and Zakariya Razi, attributed …
Published in Research & Reviews : A Journal of Unani, Siddha and Homeopathy · Vol. 13, Issue 1, 2026 · pp. 1–6 Read article
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Homeopathy and Miasms: Exploring Their Vital Importance
Abstract: An individual’s susceptibility to disease is not solely an internal matter but is also profoundly shaped by a variety of external influences. These influences can be broadly categorized into meteoric factors – such as climate, weather changes, seasonal variations, and atmospheric conditions – and telluric factors, which include environmental and terrestrial elements like soil, water, living conditions, and geographical surroundings. When such external influences act upon the human organism, they …
Published in Research & Reviews : A Journal of Unani, Siddha and Homeopathy · Vol. 12, Issue 3, 2025 · pp. 16–21 Read article