The practical testing of dynamos and motors (1905)
Smith, Charles Frederick, 1873- · Manchester Scientific Pub. Co · leaf 314
chines may be varied. Thehigher the speed of the booster the higher will be its voltage. MOTOR GENERATORS AND BOOSTERS. 299 Employ a variable resistance in the load circuit to regulatethe load current. Put in series with it an ammeter andswitch. Insert an ammeter in the supply circuit, and… … Fig. 104.—Separately Excited Booster. Mj M., Supply mains. M Motor armature D Booster armature. Fi F„ Field windings of motor and booster. Rj Resistance for regulating field excitation - ofbooster. R., Resistance for varying main current. Aj Ammeter for measuring current supplied. A, Ammeter for…
Dynamos · Electric motors
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