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Racer kripp (hotdoghunter)
Race Number 54
Date Sat, 24 Aug 2019 05:43:01 +0000
Speed 66 WPM Try to beat?
Accuracy 94.0%
Rank 5th place (out of 5)
Opponents aalcala (3rd place) maddiemt (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)

Typing Review: