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Racer Pingu (boredpingu)
Race Number 194
Date Wed, 23 Sep 2020 14:07:18 +0000
Speed 68 WPM Try to beat?
Accuracy 97.1%
Rank 4th place (out of 5)
Opponents astralentity (2nd place) aydinyt (5th place) cmirkhad (1st place) jesus_coconut (3rd place)

Text typed:

A train equipped with, say, two dc motors, is started with both motors connected in series to an external resistor. As the speed picks up, the resistor is shorted out. The motors are then paralleled and connected in series with another resistor. Finally, the last resistor is shorted out, as the train reaches its nominal torque and speed.
Electrical Machines, Drives, and Power Systems (book) by Theodore Wildi (see stats)

Typing Review: