typeracer

Pit Stop
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Racer Kiwaa (kiwaa)
Race Number 1054
Date Sun, 23 Feb 2020 04:41:32 +0000
Speed 57 WPM Try to beat?
Accuracy 95.8%
Rank 2nd place (out of 5)
Opponents syed19805 (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: