A, what is the UPS
Its working principle and application range have those?
Uninterruptible power supply, or UPS, is a kind of can let the load they carry equipment for a period of time, is not affected by external interruption of power system of power protection equipment.
With the continuous development of digital computer technology, its application range is gradually into the industrial control, banking, power, military, financial, communications, and other important departments, it also puts forward more demanding on the stability and reliability of the computer.
The emergence of the UPS is often occurs in response to the power system of power loss, voltage instability, power line noise * problems, ensure the computer system under the condition of the power supply problem to continue the normal work.
The working principle of UPS as a reservoir.
When the external power supply is normal, UPS in addition to the normal power supply to the load, will save a part of electrical energy into chemical energy stored;
Once a sudden interruption external power supply, UPS will immediately start the inverter device, the chemical energy into electrical energy continues to supply power to load quickly, to guarantee the normal work of the load equipment.
Second, how to choose a suitable for your UPS power supply, one of the world's most professional UPS power supply data website -
Constant power site (
The statistics show that common UPS power brands on the market at present has as many as 20, a total of 1643 various types of UPS power supply product.
Faced with so many various types of UPS power supply products, which is a more suitable for you?
1, online and backup UPS power how to choose the general on-line UPS price is higher, but very perfect protection function, can filter out most of the power grid all the viruses, parasitic in the fully ensure the stability of the load equipment safety;
Backup type UPS smaller price low, for some is not particularly important equipment system, power can also help prevent data loss caused by the problem.
If economic conditions allow, of course first on-line UPS.
But from the economic point of view, the general family, ordinary office space or request is not high, a backup type UPS power is enough to deal with.
2, choose how much capacity of UPS power supply for the average power consumption of a computer is approximately 250 va, a backup type 500 va UPS can provide it with about ten minutes.
This period of time has been completely can ensure that you have enough time to save the file, and then shut down the computer properly.
How much home computer can calculate the total power, and then select suitable UPS capacity.
And for some special commercial and industrial applications, the specific calculation is much more complicated.
Because these departments to the requirement of UPS, often is to ensure that a few computer under the condition of the power grid, able to work over ten hours or even dozens of hours continuously.
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