Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 133
be good. Suppose that the speed of a shunt motor has been adjusted bymeans of a resistance in the armature circuit, as shown inFig. 127, so as to give a definite speed at a definite load, then, whenthe load is increased, the armature current Ia and the voltage erwill increase and therefore the… … 108 PRINCIPLES OF ELECTRICAL ENGINEERING [Chap.xviii such as that in Fig. 129 is being turned in a lathe, then themotor will slow down when the cut is deep and will speed up whenthe cut is light, so that the speed will be very irregular. When the speed of a shunt motor is adjusted by means of…
Electrical engineering
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