Q1. What is UPS?
A: The full name of UPS is “Uninterruptible Power Supply”. It will immediately supply computers mains to
maintain the normal operation when power failure or abnormity.
Q2. Why should I need UPS?
A: Un-stable power quality will effect the operation of computers. UPS will not only immediately supply
power to computers while power failure, but also protect against wide utility voltage. It will also offer
users pure power and store your important data whether you are there or not. Therefore, UPS becomes
more and more important equipment for computer & 3C users.
Q3. How many types of UPS?
A: There are three typical types of UPS: OFF-LINE, ON-LINE, and LINE INTERACTIVE.
Q4. What is called OFF LINE UPS?
A: Off-line UPS will supply power only when power failure.
Q5. What is called ON LINE UPS?
A: Under normal situation, On-line UPS will supply power after rectification and will transfer to bypass only
when UPS is out of order, overload, or overheat. Normally, the On-line UPS provides the pure Sinewave
output which is same as the mains provide by power plants.
