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1.583  Articles
1 of 159 pages  |  10  records  |  more records»
This paper presents an X-band GaN HEMT power amplifier with a third harmonic-tuned circuit for a higher power density per area and a higher power-added efficiency (PAE) using a 0.25 µm GaN HEMT process of WIN semiconductors, Inc. The optimum load impedanc... see more

Problems associated with harmonic distortion are well understood for electrical power system applications.The right solution is challenging. There are numerous technologies to choose from, each with specific technical and economic advantages. This paper p... see more

We report the enhancement of the optical second harmonic signal in non-centrosymmetric semiconductor CdS quantum dots, when they are placed in close contact with isolated silver nanoparticles. The intensity enhancement is about 1000. We also show that the... see more

The pandemic has changed the usage pattern of electrical appliances in buildings. This new pattern can create new problems in terms of power quality and thus affect the electrical system’s reliability. The purpose of this study is to determine the power q... see more

This study introduces a third order filter and a third order oscillator configuration. Both the circuits use two voltage difference transconductance amplifiers (VDTAs) and three grounded capacitors. By selecting the input and output terminals properly, cu... see more

This study reports on a case study in Grootegeluk Mine: Exxaro Coal, Lephalale, South Africa, in terms of power factor correction (PFC), load flow, harmonic frequency scans and harmonic voltage distortion analyses. The DIgSilent PowerFactory software was ... see more

Paper ini menyajikan hasil analisis Passive Single Tuned Filter dalam meredam harmonik arus pada Personal Computer All In One. Dari data pengukuran yang dilakukan, terdapat harmonik pada Individual Harmonic Distortion (IHDi) arus orde – 3 sampai orde – 29... see more

Unintentional series and/or parallel resonances, due to the tuned passive filter and the line inductance, may result in severe harmonic distortion in the industrial power system. This project presents a hybrid active filter to suppress harmonic resonance ... see more

This study reports on a case study in Grootegeluk Mine: Exxaro Coal, Lephalale, South Africa, in terms of power factor correction (PFC), load flow, harmonic frequency scans and harmonic voltage distortion analyses. The DIgSilent PowerFactory software was ... see more

1 of 159 pages  |  10  records  |  more records»