As shown in in the illustration, what type...

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Question 1 of 205eccefa4bacbc34ba4d485f2

As shown in in the illustration, what type of electric propulsion drive system is featured? See illustration EL-0161.

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5eccefa4bacbc34ba4d485f2

As shown in in the illustration, what type of electric propulsion drive system is featured? See illustration EL-0161.

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🔍 Key Concepts

• Look at the output waveforms labeled VAOA, VBOA, VCOA, VABA and notice how the pulse widths change over time. • Identify how the converter uses a DC link (capacitor) between a source converter and a load converter to create the motor voltage. • Compare what you see to how cycloconverters, load‑commutated converters, and DC converters usually shape their output (low‑frequency segments vs. high‑frequency chopped pulses).

💭 Think About

• Do the motor phase voltages look like segments of a low‑frequency sine wave directly formed from the line frequency, or like many high‑frequency pulses whose width is being varied to approximate a sine wave? • Why is there a capacitor between the source converter and the load converter, and what does that tell you about whether the motor is being fed from a DC link or directly from the AC supply? • Which type of converter is typically associated with gate‑turn‑off thyristors and very rapid switching of many small pulses per cycle?

✅ Before You Answer

• Confirm that the output to the AC propulsion motor is composed of many narrow pulses whose width changes over each fundamental cycle. • Verify that the source side first rectifies 3‑phase AC and charges a DC link capacitor, and the load side then switches this DC at high frequency to form AC. • Eliminate any option that would normally show few large segments of voltage per cycle (rather than many small, variable‑width pulses).

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Question 1 of 205eccefa4bacbc34ba4d485f2

As shown in in the illustration, what type of electric propulsion drive system is featured? See illustration EL-0161.

Back

Question 1 of 20

5eccefa4bacbc34ba4d485f2

As shown in in the illustration, what type of electric propulsion drive system is featured? See illustration EL-0161.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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