The practical testing of dynamos and motors (1905)
Smith, Charles Frederick, 1873- · Manchester Scientific Pub. Co · leaf 203
rt the strongerturning effort which will determine the direction ofrotation, and drive the other machine. The strongertorque is obviously exerted by the machine having the 188 EFFICIENCY TESTS OF DYNAMOS. more strongly excited magnets, since the armaturecurrent is the same in both. It is this… … FiG .09—Diagram of Connections of Two Coupled Dynamos ConnectedIN Series. 1M.^* Supply mains, or terminals of auxiliary machine.D Armature of machine acting as generator. M Armature of machine acting as motor. F . F._, Field windings of machines.Ri Adjustable resistance for regulating voltage of…
Dynamos · Electric motors
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