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Racer Lars (kung_fu_kenny)
Race Number 255
Date Wed, 16 Dec 2020 09:01:10 +0000
Speed 85 WPM Try to beat?
Accuracy 95.2%
Rank 2nd place (out of 5)
Opponents degradka (5th place) joel6677 (1st place) misha666420 (3rd place) r_strike9437 (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: