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Home  > NEWS CENTER  > Blog  >  Does it necessary to be equipped with uninterruptible power supply (UPS) for computer?

Does it necessary to be equipped with uninterruptible power supply (UPS) for computer?

2020-07-03

I believe that many people have encountered this situation. When you are working in front of the computer, suddenly the computer’ s lights are off and the screen is black. The world has become quiet. God, there is a power outage!

 

The content you have worked hard to prepare has been burned before it can be saved. This is the most maddening moment. "Why don't you notice when the power is cut off!" Then there is a complaint and a curse, and the good mood of the day is gone!

 

Power outages in cities are relatively rare now, but they are painful once! In order to avoid the losses caused by the above situation, it is recommended to equip your computer with a UPS power supply. The UPS is equivalent to the battery of a laptop computer, which provides backup power supply for computer to prevent data loss caused by power failure or instability of the mains.

 

UPS power supply is commonly used in servers. Due to the high stability requirements of servers, it is a must for almost all servers. Sudden power failure will not only cause damage to the unsaved data, but also damage the hard disk. Especially when the power is lost when the hard disk reads and writes data at high speed, it is easy to cause bad sectors on the hard disk. For the server, a sudden power failure is the hard disk killer! The general enterprise-level UPS consists of a host and a battery pack. The larger the battery capacity, the longer the backup power supply time. The metropolis will provide the server with more than 10 hours of backup power supply time. It will even start the fuel power generation system to ensure the continuous operation of the equipment.

 

The battery capacity of our simple UPS power supply at home will be much smaller. Generally, the UPS host and battery will be a whole, and the smaller one can provide about 10 minutes of backup power for desktop computers including screens and peripherals. Don't underestimate these 10 minutes, it is enough for you to save the file and shut down normally!

 

At present, the most commonly used is the online UPS (online UPS battery backup), which converts the mains electricity to direct current, and then divides it into two circuits, one to charge the battery, and the other to convert back to alternating current to provide power for the electrical equipment. When the quality of electric power supply is unstable or there is a power outage, the battery switches from charging to power supply, and then switches to charging after the mains power returns to normal. The whole process of UPS power supply for the equipment is involved throughout the process.


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Sine Wave Low Frequency Online UPS SU Series

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High Frequency Online UPS PHT Series 1K-10KVA with Built-In Battery

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Low Frequency Online UPS Three Phase GT Series (3:3)

 

The advantage is that the output wave type is a sine wave like the city power, and it is pure, not affected by the instability of the city power, and can supply power to any equipment using the city power. The disadvantage is that because the UPS power supply intervenes in the whole process, and the electrical energy that is finally output from the municipal power to the electrical equipment has to undergo two conversions (commercial power-DC-AC), the power loss is large, and it is no exception when the mains power is normal. This is not a small expenditure for large commercial UPS, but it is not a problem for small UPS used by individual users, after all, data is priceless.


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Uninterruptible Power Supply Circuit Diagram


Thinking that you can still save files after a power outage or even copy them out with a USB drive, and then click the start button to shut down the computer calmly. At this moment, will you feel a sense of accomplishment for your foresight right?

 


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