View Pit Stop page for race #1606 by lesophie — Ghost race
View profile for Sophie (lesophie)
Official speed | 61.00 wpm (66.69 seconds elapsed during race) |
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Race Start | May 19, 2020 3:45:40pm UTC |
Race Finish | May 19, 2020 3:46:46pm UTC |
Outcome | Win (1 of 5) |
Accuracy | 96.0% |
Points | 58.97 |
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. |