Harmonics in the exciting current of transformers . e of which were too small to cause any appre-ciable error when neglected so that the wave may be considered a sine wave . It isexplained in the proceeding paragraphs that the flux wave will be a sine wave andthat the exciting current v/ill have a distorted appearance . Plate 2 shows the exciting current wave for a single transformer with theelectromotive force shown in Plate I impressed . This wave is distorted and peakedand was worked at a density of 118,000 lines per square inch . It shows the funda-mental , triple and fifth harmonics . Pla
Harmonics in the exciting current of transformers . e of which were too small to cause any appre-ciable error when neglected so that the wave may be considered a sine wave . It isexplained in the proceeding paragraphs that the flux wave will be a sine wave andthat the exciting current v/ill have a distorted appearance . Plate 2 shows the exciting current wave for a single transformer with theelectromotive force shown in Plate I impressed . This wave is distorted and peakedand was worked at a density of 118,000 lines per square inch . It shows the funda-mental , triple and fifth harmonics . Plate 3 shows the wave taken under similarconditions but at a lower density of 85,COO lines per square inch . It is noticedthat the wave is different from that of I late 2 in that the magnitudes of the har-monics are different and that the higher the density the greater is the distortiondue to a greater magnetizing current . The harmonics as the density is increasedkeep moving more and more in phase with the fundamental and give a more peaked wave, J.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttheses, bookyear1912
