typeracer

Pit Stop
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Race Result Details

Racer herny khan (helluherny)
Race Number 1872
Date Wed, 12 Jun 2019 07:51:22 +0000
Speed 81 WPM Try to beat?
Accuracy 95.2%
Rank 1st place (out of 5)
Opponents ondoyant (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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