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Racer TYPEngun (typengun)
Race Number 134
Date Sat, 19 Dec 2020 02:58:46 +0000
Speed 63 WPM Try to beat?
Accuracy 96.7%
Rank 2nd place (out of 2)
Opponents wei_wei_yap_yap (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: