typeracer

Pit Stop
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Racer Sean Wrona (arenasnow)
Race Number 4171
Date Mon, 8 Apr 2019 03:40:53 +0000
Speed 203 WPM Try to beat?
Accuracy 100.0%
Rank 1st place (out of 2)

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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