Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 137
ernatingcurrent, as in Fig. 139-^ The simplest alternating current generator is a continuous current dynamo, with two copper rings insulated on the shaft and connected to two diametrically opposite points of the armature winding if it is a two-pole dynamo. This is shown in Fig. 140. The ordinary… … Fig. 139 Alternatinor Generators As the armature revolves the copper rings will be alternatelypositive and negative, the maximum pressure being at themoment when they are connected to the brushes through thewinding, and the reversal or minimum at right angles to the line ofcommutation. The…
Electrical engineering · Electric power
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