If the supply voltage is 220 volts 60 Hz,...

Question 1 / 2066636eed28f7522a1c51dc23

Question 1 of 2066636eed28f7522a1c51dc23

If the supply voltage is 220 volts 60 Hz, what is the operating voltage of the motor controller control circuit illustrated in figure "A" of the illustration? Illustration EL-0011

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Question 1 of 20

66636eed28f7522a1c51dc23

If the supply voltage is 220 volts 60 Hz, what is the operating voltage of the motor controller control circuit illustrated in figure "A" of the illustration? Illustration EL-0011

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🔍 Key Concepts

• Look at how the control circuit in figure A (and the simplified figure B) is connected between the line conductors L1 and L2. • Determine whether there is any control power transformer or rectifier shown that would change the voltage level or convert AC to DC. • Remember that if a control circuit is connected directly across the same two lines as the motor supply, it will see the same line-to-line voltage and the same type of current (AC vs DC).

💭 Think About

• Trace the path of current for the control circuit: from which line does it start, through which devices (Stop/Rev/Fwd, coils F and R, overload contacts), and back to which line does it return? • Ask yourself: do you see any component that would step the voltage down (like a transformer) or change AC to DC (like a rectifier or power supply)? If not, what does that imply about the control circuit voltage? • Compare the labels L1 and L2 on the simplified control diagram (figure B) with the stated supply of 220 V, 60 Hz. What is the voltage between L1 and L2?

✅ Before You Answer

• Verify whether the control circuit is connected directly between L1 and L2 with no transformer or rectifier in between. • Confirm that the only components in the control circuit are switches, relay/contactor coils, and overload contacts — all of which do not change voltage level or AC/DC type. • Once you confirm the circuit is across L1–L2, match that with the given supply of 220 V, 60 Hz AC to decide both the magnitude (110 vs 220) and type (AC vs DC) of the control voltage.

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Question 1 of 20

If the supply voltage is 220 volts 60 Hz, what is the operating voltage of the motor controller control circuit illustrated in figure "A" of the illustration? Illustration EL-0011

110 volts DC

110 volts AC

220 volts DC

220 volts AC

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Question 1 / 2066636eed28f7522a1c51dc23

Question 1 of 2066636eed28f7522a1c51dc23

If the supply voltage is 220 volts 60 Hz, what is the operating voltage of the motor controller control circuit illustrated in figure "A" of the illustration? Illustration EL-0011

Back

Question 1 of 20

66636eed28f7522a1c51dc23

If the supply voltage is 220 volts 60 Hz, what is the operating voltage of the motor controller control circuit illustrated in figure "A" of the illustration? Illustration EL-0011

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?

Quick actions

— No credit card needed