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APC Exam DU0-001 Topic 2 Question 105 Discussion

Actual exam question for APC's DU0-001 exam
Question #: 105
Topic #: 2
[All DU0-001 Questions]

What is a function of a transformer in a line interactive UPS?

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Suggested Answer: C

by Goldie at Jan 11, 2025, 08:24 PM

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Frank
3 months ago
Transformers, the superheroes of the electrical world, here to save the day and keep that UPS voltage in check!
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Wendell
2 months ago
D) To provide low impedance for switched mode power supplies
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Delpha
2 months ago
C) To regulate output voltage as the input voltage varies
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Darrel
3 months ago
A) To regulate output voltage as the input voltage varies
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Ammie
3 months ago
The transformer's job is to keep the voltage stable, not to mess with the power factor or impedance. Option C is the way to go.
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Dalene
4 months ago
Haha, a transformer increasing harmonics? That's like a mechanic making your car run worse! Definitely not the right answer there.
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Teri
2 months ago
D) To provide low impedance for switched mode power supplies
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Tijuana
2 months ago
Yeah, transformers definitely don't increase harmonics. They help regulate the output voltage.
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Merrilee
3 months ago
C) To regulate output voltage as the input voltage varies
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Coletta
3 months ago
A) To increase the power factor as the load increases
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Carmelina
4 months ago
I'm not sure about the others, but I know that a transformer is not used to increase harmonics, so I can rule out option B.
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Chau
3 months ago
User 2: That makes sense. I agree, it's not used to increase harmonics like option B suggests.
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Xuan
4 months ago
User 1: I think the function of a transformer in a line interactive UPS is to regulate output voltage as the input voltage varies.
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Antonio
4 months ago
I'm not sure about the other options, but I think C makes the most sense. It's important for the UPS to provide consistent power to the connected devices.
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Shantell
4 months ago
Option C seems to be the correct answer. A transformer in a line interactive UPS is used to regulate the output voltage as the input voltage varies.
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Stefany
2 months ago
Without the transformer, the UPS wouldn't be able to adjust to input voltage changes.
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Luis
3 months ago
It's important for the UPS to maintain a stable output voltage.
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Barbra
3 months ago
Transformers are essential for regulating the output voltage.
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Buddy
3 months ago
I agree, option C is the correct answer.
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Justine
4 months ago
I agree with Simona. The transformer helps maintain a stable output voltage despite fluctuations in the input voltage.
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Simona
4 months ago
I think the function of a transformer in a line interactive UPS is to regulate output voltage as the input voltage varies.
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