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Racer Will (w1llmcl)
Race Number 79
Date Fri, 18 Dec 2020 10:28:26 +0000
Speed 69 WPM Try to beat?
Accuracy 96.1%
Rank 4th place (out of 5)
Opponents haire04 (5th place) hayasaka13 (1st place) jackburst (3rd place) vankabg (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)

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