Handbook for the use of electricians in the operation and care of electrical machinery and apparatus of the U. S. seacoast defenses .. (1904)
United States. War Dept · Washington, Govt. print. off. · leaf 123
ELECTRIC MOTORS. 87 (b) The motor generator (fig. 117) has two armatures revolving on one shaftin sen-irate fields The motor commutation is at one end, the dynamo s at theother It is not so efficient a transformer as the dynamotor, but its dynainovolta-e may be given greater range and its modes of… … 117. Motor Generator. (e) A booster is an electrically or mechanically driven transformer whosedynamo commutator is in the main circuit at a distant point to raise the voltagethere Both the main and generated currents flow together m tlie dynamoarmature winding, which has, therefore, very thick…
Electric machinery · Searchlights · Coast defenses
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