Question 57Electricity/Electronics - 1st Asst/Chief70% to pass
What type of electric propulsion system converter is shown in the illustration? Illustration EL-0155
AI Explanation
The correct answer is C) synchroconverter.
A synchroconverter is an electric propulsion system converter that uses a synchronous generator to convert alternating current (AC) power to direct current (DC) power. This type of converter is commonly used in marine applications, including US Coast Guard vessels, to power electric propulsion systems.
The other options are incorrect because:
A) Pulse width modulation (PWM) converters are used to control the speed of AC motors, not to convert AC to DC.
B) Cycloconverters are used to convert AC to AC at a different frequency, not to convert AC to DC.
D) Controlled rectifier converters are used to convert AC to DC, but they do not use a synchronous generator like a synchroconverter.
Related Questions
#55 When electrical cables penetrate watertight bulkheads, what must be provided for? #56 As shown in figure "A" of the illustration, with respect to the common equipment grounding conductor, what statement is true? Illustration EL-0125 #58 The conversion of constant frequency power into adjustable frequency power in a modern AC propulsion drive system is commonly achieved through the use of what electronic system components? #59 As shown in the illustration of a DC diesel-electric propulsion drive system, what would be the set up contactor configurations if #1 M/E is to be secured, so that only #2 M/E diesel-generator is set up to supply both propulsion motors? Illustration EL-0141 #60 Refer to the two-generator, two-motor, DC diesel-electric drive propulsion system simplified schematic shown in the illustration. Which of the following conditions would cause the propulsion shaft to only rotate in the ahead direction? Illustration EL-0141