What type of motor is generally used in DC...

What type of motor is generally used in DC...

Question 1 of 27070

Q

What type of motor is generally used in DC propulsion drive systems?

A

shunt-wound or separately excited

B

permanent magnet

C

differentially compounded

D

series-wound

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Question 1 / 270705eccefa3bacbc34ba4d48075

Question 1 of 270705eccefa3bacbc34ba4d48075

What type of motor is generally used in DC propulsion drive systems?

Question 1 of 27070

Study area:

Study area:

Q

What type of motor is generally used in DC propulsion drive systems?

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🔍 Key Concepts

• Characteristics of DC propulsion motors used on ships (torque, speed control, starting current) • Differences between series-wound, shunt-wound, and compound-wound DC motors • Why propulsion applications need good speed control under varying load

💭 Think About

• Which type of DC motor gives smooth, stable speed when the load changes, which is important for a ship’s propeller? • Which motor type is easiest to control from the bridge for ahead/astern and speed changes? • Which motor type is more commonly used where very high starting torque is needed but speed regulation is not as critical?

✅ Before You Answer

• Match the motor’s speed regulation characteristics with what a propulsion shaft needs • Consider which types are typically used for smaller control motors vs. large propulsion drives • Ask yourself which option is more often used in main propulsion rather than in auxiliary or specialty applications