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Racer 16/f/cali (ultrashibe)
Race Number 40313
Date Sun, 7 Jul 2019 20:57:30 +0000
Speed 122 WPM Try to beat?
Accuracy 95.5%
Rank 2nd place (out of 4)
Opponents dawittymidget (3rd place) jessegarcia (1st place) smallchicken (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: