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

Question 1 / 2066636eed28f7522a1c51db5d

Question 1 of 2066636eed28f7522a1c51db5d

As shown in the illustration, what is the magnetic phase differential in degrees between the reference signal magnetic axis and the control signal magnetic axis of the illustrated diagram for a two-phase induction servomotor for an automatic radio direction finder? Illustration EL-0196

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🔍 Key Concepts

• Phase relationship between two AC signals in a two‑phase induction servomotor • How a 90° phase shift looks on a sine wave diagram versus other shifts • The physical angle between the reference signal axis and the control signal axis shown in Part B of the illustration

💭 Think About

• Look at the sine waves in Part A: at time t1, how many electrical degrees separate the peak (or zero crossing) of the reference signal from that of the control signal? • In Part B, imagine placing a protractor at the rotor center: what angular separation is drawn between the reference signal magnetic axis and the control signal magnetic axis? • Compare what you see in the time (waveform) diagram with what is drawn in the physical motor diagram—do they represent the same electrical phase angle?

✅ Before You Answer

• Verify the horizontal degree scale under the sine waves and note how far one wave is shifted relative to the other. • Confirm the labeled axes in Part B: the reference axis is horizontal, the control axis is vertical—estimate the angle between them. • Ensure your chosen answer matches both the waveform phase shift and the mechanical axis separation in the stator diagram.

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Question 1 of 20

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Question 1 / 2066636eed28f7522a1c51db5d

Question 1 of 2066636eed28f7522a1c51db5d

Back

Question 1 of 20

66636eed28f7522a1c51db5d

No comments yet

Be the first to share your thoughts!

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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