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Racer Janis (janisl1993)
Race Number 1173
Date Sat, 3 Oct 2020 19:56:08 +0000
Speed 60 WPM Try to beat?
Accuracy 98.1%
Rank 4th place (out of 5)
Opponents aidanadam (1st place) wuhan_clan (2nd 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: