RV Thompson has two 3000 horse power, DC electric motors, each run by 750 volts or 3150 amps of electricity. The motor is driven around by a magnetic flux created when electricity, generated by the main diesel engine, is run through the armature of the motor. This turns the shaft of the “Z drive” (shown above), which turns the ship’s propellers. Image courtesy of UCSB, Univ. S. Carolina, NOAA, WHOI.
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