Hanna, Max Ross, Wesselhoeft, Charles Dietrich, co-author · leaf 55
r current backward until it cutthe torque axis. At this point the rotor is in synchronism and thefriction only, is being supplied by the negative torque representedby the intercept of the rotor current line on the torque axis. Thevalues of friction torque obtained by the two methods checked… … IV. Discussion of Results. Since this motor is of the type used for elevator andcrane service, its pertormance would probable be stated as a certaintorque at a certain speed, instead of so many horse pow^r; hence allcurves were plotted on a torque base. (A). OPERATION CURVES.--The operation curves…
Electric motors, Induction · Theses
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