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Racer (flaneur)
Race Number 62329
Date Sun, 23 Apr 2023 20:36:39 +0000
Speed 189 WPM Try to beat?
Accuracy 99.7%
Rank 1st place (out of 2)

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)

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