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Racer eugene paul (itdrmts)
Race Number 2833
Date Sat, 23 Mar 2019 00:24:39 +0000
Speed 72 WPM Try to beat?
Accuracy 98.1%
Rank 3rd place (out of 5)
Opponents coffeetendrils (2nd place) dreamtime (1st 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: