What is the purpose of the device labeled...

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Question 1 of 2066636eed28f7522a1c51d959

What is the purpose of the device labeled "Man-Auto Sw." in the illustrated switchboard? Illustration EL-0003

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Question 1 of 20

66636eed28f7522a1c51d959

What is the purpose of the device labeled "Man-Auto Sw." in the illustrated switchboard? Illustration EL-0003

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🔍 Key Concepts

• Relationship between Man-Auto Sw., Volt. Reg. Adj. Pot., and Man. Volt. Adj. Rheo. in the excitation circuit • Difference between voltage regulation and governor speed control on a generator • How automatic vs manual control is typically selected for generator voltage regulation

💭 Think About

• Trace the wiring from the Man-Auto Sw. upward and downward on the diagram—what two adjustment devices does it connect or select between? • Ask yourself whether this part of the circuit is tied to field/exciter voltage or to the turbine governor and speed settings. • Which of the choices describes a function that would logically sit between an automatic regulator device and a manual rheostat in the generator field circuit?

✅ Before You Answer

• Verify which components are in the field/exciter (voltage) circuit versus the governor/speed circuit. • Check if the Man-Auto Sw. is wired in series with, or as a selector between, Volt. Reg. Adj. Pot. and Man. Reg. Adj. Rheo. • Confirm that the function you choose matches the part of the system labeled around the generator field and voltage regulator, not the governor.

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Question 1 of 2066636eed28f7522a1c51d959

What is the purpose of the device labeled "Man-Auto Sw." in the illustrated switchboard? Illustration EL-0003

Back

Question 1 of 20

66636eed28f7522a1c51d959

What is the purpose of the device labeled "Man-Auto Sw." in the illustrated switchboard? Illustration EL-0003

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

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