Question 561Electricity/Electronics - Assistant Engineer70% to pass
What type of electric propulsion system converter is shown in the illustration? Illustration EL-0155
AI Explanation
The correct answer is D) synchroconverter.
A synchroconverter is an electric propulsion system converter that uses synchronous motors to convert AC power to DC power for propulsion. This type of converter is commonly used in Coast Guard and maritime applications to power electric propulsion systems.
The other answer choices are not correct because:
A) A cycloconverter is used to convert AC power to AC power at a different frequency, not for DC propulsion.
B) Pulse width modulation converters are used for variable speed AC motor control, not DC propulsion.
C) Controlled rectifier converters convert AC to DC, but do not use synchronous motors like a synchroconverter.
Related Questions
#559 The propulsion motor most often utilized in an AC drive system operating in the moderate to high power range is of what type? #560 As shown in the illustration, if the port propulsion motor field excitation circuit experienced a failure, what individual component failure would allow the use of the standby excitation transformer and standby field controller to resume normal operation? Illustration EL-0164 #562 As shown in figure "B" of the illustration, what statement is true concerning "regenerating" operation? Illustration EL-0162 #563 While standing an "at sea watch" onboard an AC diesel-electric drive ship with a synchronous propulsion motor, you notice that the kwatt load is at roughly 75% of capacity with a leading power factor less than 1. Ideally what would be the character of the power factor associated with the main power distribution including all motors? #564 By what common means is the speed of the AC propulsion motor on a diesel-electric propulsion ship controlled?