220-1102 · Question #681
A location is experiencing under-voltage events during peak periods. Which of the following should be deployed at this location?
The correct answer is B. UPS. A UPS (Uninterruptible Power Supply) is designed to provide stable power and battery backup, making it ideal for protecting equipment from under-voltage events (sags or brownouts).
Question
A location is experiencing under-voltage events during peak periods. Which of the following should be deployed at this location?
Options
- AProper ventilation
- BUPS
- CSurge protector
- DPDU
How the community answered
(43 responses)- A2% (1)
- B86% (37)
- C7% (3)
- D5% (2)
Why each option
A UPS (Uninterruptible Power Supply) is designed to provide stable power and battery backup, making it ideal for protecting equipment from under-voltage events (sags or brownouts).
Proper ventilation addresses heat dissipation, not power quality issues like under-voltage.
A UPS (Uninterruptible Power Supply) includes battery backup and often voltage regulation features (like AVR - Automatic Voltage Regulation) that can stabilize incoming power, protecting connected devices from under-voltage events by either boosting the voltage or switching to battery power. This ensures consistent power delivery during sags or brownouts.
A surge protector guards against voltage spikes (over-voltage), not under-voltage events.
A PDU (Power Distribution Unit) distributes power to multiple devices but does not provide voltage regulation or battery backup for under-voltage events.
Concept tested: Power protection devices - UPS functionality
Source: https://www.eaton.com/us/en-us/products/backup-power-ups-surge-protection/uninterruptible-power-supply--ups-.html
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