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Racer Amen [Dvorak-Trainee] (amun)
Race Number 77277
Date Sun, 6 Sep 2020 01:35:05 +0000
Speed 137 WPM Try to beat?
Accuracy 99.4%
Rank 1st place (out of 5)
Opponents eric_17 (3rd place) kwilz (4th 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)

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