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Details

What is UPS

Time:2018-06-26        Read

The so-called UPS is the uninterruptible power supply system , which is a device that can replace the mains and continuously supply power when the power is off. Its power comes from the battery pack. Due to the fast response of the electronic components, the instant of the power outage is within 4-8 milliseconds or no middle Continue to supply electricity under time. 

Why use UPS? 

At present, the mass supply systems of countries around the world are all AC power sources. An ideal AC power source should meet the following conditions: 

Frequency stability 

2. Voltage stability (within 5% of soil) 

3. Without harmonic distortion (<5%) 

4. No noise interference (in accordance with IEEE 587, FCC, CE and other standards) 

5. Low output impedance. 

Everyone can imagine that if the uninterruptible power supply system is not used today, when the mains power is abnormal, the computer will crash, and even cause hardware failure, and the maintenance costs will be unpredictable at that time; hardware failure can cost money for disaster relief, but there are hard disks What about the data? That ’s money but you ca n’t buy it, so buying an uninterruptible power system for your equipment is just like buying insurance. It ’s prepared; the UPS system does n’t operate only when there is a power outage. Including the mains voltage is too low, too high, surge, noise, etc., enough to affect the normal operation of the equipment power quality, so the importance of UPS is obvious. 

As an important peripheral of the computer, UPS is very important in protecting computer data, ensuring the stability of the voltage and frequency of the power grid, improving the quality of the power grid, and preventing damage to users caused by instantaneous power outages and accidental power outages. 

Classification of UPS: 

UPS has evolved from rotary generators in the 1960s to today's intelligent, fully static electronic circuits, and continues to evolve. At present, UPS generally refers to static UPS, which can be divided into backup, online interactive and online three categories according to their working methods. 

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