How is the main propeller shaft rotation of a conventional AC turbo-electric drive normally reversed? (Assume that no converters or inverters are used.)
A
reversing the steam turbine direction of rotation
B
reversing the phase sequence applied to the AC propulsion motor
C
reversing the field polarity of the AC propulsion generator
D
reversing the field polarity of the AC propulsion motor
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Question 1 / 2066636eed28f7522a1c51d767
Question 1 of 2066636eed28f7522a1c51d767
How is the main propeller shaft rotation of a conventional AC turbo-electric drive normally reversed? (Assume that no converters or inverters are used.)
How is the main propeller shaft rotation of a conventional AC turbo-electric drive normally reversed? (Assume that no converters or inverters are used.)