The practical testing of dynamos and motors (1905)
Smith, Charles Frederick, 1873- · Manchester Scientific Pub. Co · leaf 135
d ifcurrent should be sent in a reverse direction through thearmature. This might occur if any machine gave a lowervoltage than that of the bus-bars. This might be thecase on first switching in, or in ordinary working owingto unequal speed in the operation of the governors of theengines, or owing… … Fig. 39.—Connections fur Parallel Running of two CompoundGenerators. of this occurrence, an additional connection is made-between the machines in such a way that a reversecurrent would flow through the armature only, andnot through the series winding. The reverse currentwould only drive the machine…
Dynamos · Electric motors
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