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FAQ

I use the desktop computer, but the dormitory will often trip power, it is damage to the computer, I do a semester twice the system ... want to buy can drive the computer ups, do not need large capacity, because I only need to power After a few minutes off the time on the line, the host power is 350w, but the actual power of less than 350, plus the LCD monitor will not be more than 400w it What model of the ups? how much is it? Directly to my Taobao link also line. Thank you

A PC, the choice of 500va backup UPS can be. If the voltage is stable with no regulator function, cheap dozens of dollars. If the voltage is unstable, buy a regulator. There are K500, K500-PRO, TG500 and so on. Prices range from 140 to more than 300. But there are three years warranty, there are three years, when the specific advice can be. It is recommended to buy the company in the entity Oh, they can send logistics

What is a modular UPS uninterruptible power supply?

After a few years if the engine room load can be increased according to the actual situation to buy 20KVA single power module on it, up to 180KVA. This kind of UPS is called modular UPS

There is a UPS head, the output power capacity of 4200 watts / 6000VA, full load efficiency of 92%. The The 16 12V battery. The Now need to bring all the equipment, the sum of power is about 2800W, requires two hours. The Ask the battery about how much A's. The In addition, if the parameters are complete, the device requires a charge 2H, how to count the required battery capacity and quantity?

{Voltnage x time (must be hour)} / battery shutdown voltage = battery capacity, the number of voltammetry is your 6000VA here, not the number of W, power is W number / voltnumber = 4200W / 6000 = 0.7, if loaded with 2800W, then the number of volt is 2800 / 0.7 = 4000VA, the battery shutdown voltage of 10.5V per cell calculation. So (4000VAX2H) /16X10.5=47AH, so you here with 47AH battery can, but should not 47AH this type of battery, 65AH down. It is best to use 16 12V / 65AH battery.

How to calculate the number of batteries that UPS has uninterruptible power supplies

Huawei official website has this calculation process, here can not write a website. Baidu search "UPS battery configuration quick checklist and calculation formula", see Baidu library that can, do not understand the exchange.

What is the general type of computer ups UPS type? Rated Capacity? voltage range? Frequency Range? Output voltage range? Power factor And so on, how to know and their machine with unworthy? How big is it?

Now the computer is very adaptable, UPS rarely used.

What is the protective rating of the UPS power supply? How much do you usually do? What can I do?

The second number: 0 no protection against the outside world or no special protection IP-0 1 to prevent the intrusion of water, vertical drops of water droplets (such as condensate) on the lamp will not cause harmful effects IP-1 2 tilt 15 ° can still prevent the intrusion of water, when the light from the vertical tilt to 15 °, the drip on the lamp will not cause harmful effects IP-2 3 to prevent the spray of water intrusion, rain or against the vertical angle of less than 60 ° in the direction of the water sprayed into the lamp caused damage to IP-3 4 to prevent splash of water intrusion, to prevent the water from splashing into the lighting caused by damage to the IP-4 5 to prevent the injection of water intrusion, to prevent the injection of water from the nozzle into the lamp caused by damage to the IP-5 6 to prevent the invasion of large waves, installed in the deck of the lamps and lanterns to prevent the invasion caused by flood damage caused by IP-6 7 to prevent water intrusion when immersed, the lamp immersed in water for a certain period of time or water pressure below a certain standard to ensure that damage is not due to water damage IP-7 8 to prevent sinking when the water intrusion, the indefinite sinking of the lamp early to specify the state of the water, to ensure that damage is not due to water caused by IP-8 Personal understanding: IP rating is based on the site environment and security requirements to confirm. Such as IP20 is to prevent human fingers can be extended into the cause of personal injury, but no demand for water. IP54 is to the dust and water requirements.

When the UPS load belt with more cases, in the absence of electricity when his duration will be short But if a UPS in the case of electricity, there will be no load too much, and over load, can not work properly?

Under normal circumstances, we are equipped with UPS power supply, first of all, if the load power, select the UPS must be greater than the load power 20% -30%, if it is emotional load, it needs more, if the overload operation, UPS will be protected.

How good is a good UPS power supply to power?

Under normal circumstances only half an hour or so, of course, you will not take the UPS when the generator with it UPS is mainly to prevent emergencies (when the power outage) in time to save you are using important information to prevent unnecessary trouble and loss of important data. Under normal circumstances, found a power outage, the UPS lights will flash, and some accompanied by "beep" alarm sound to prompt you to power out, and timely preservation of important data, and then shut down, of course, if only a little bit of work , Can be completed in half an hour can be extended a little time. To facilitate work.