Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 141
Fig. 142 in the armature core, for at high density and quick frequency thereis a great loss by hysteresis in the iron, a loss due to internalelectrical currents. An armature which hums loudly when loadedis, as a rule, worked cX too great a density for the frequency used.The density, or B, in the…
Electrical engineering · Electric power
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.