Joseph (njoe2424)

Race #274

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Official speed 52.95 wpm (76.83 seconds elapsed during race)
Race Start November 15, 2019 3:18:43pm UTC
Race Finish November 15, 2019 3:20:00pm UTC
Outcome No win (4 of 5)
Accuracy 94.0%
Points 51.18
Text #4060101 (Length: 339 characters)

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.