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FAQ

APC UPS power can not boot, what is the reason?
Check the connection is correct, the power supply voltage is normal
In the UPS uninterruptible power supply, what is the difference between the bypass power and the city power?
UPS uninterruptible power supply, including static bypass and maintenance bypass in two, which is the internal static bypass through the UPS line, the conduction process of UPS is running and maintenance bypass is completely off UPS internal devices, maintenance bypass conduction
Ladies and gentlemen, how long will the UPS power supply be available after air separation and power failure? What does it control?
The backup UPS general built-in 4AH or 7AH battery, the standby time is fixed; the standard model of online and interactive online UPS with built-in 7AH battery, there are long-term models with a large capacity battery, the user can set equipped with large capacity battery standby time according to the need to achieve.
The local voltage I live is not usually very low, only to the voltage to normal at dead of night. Especially at night, the computer keeps restarting or unable to start. I should choose what kind of UPS is better, I just use one of my own computer. Please point out. Don't be too expensive. Just be good enough.
General UPS is more than 100 yuan, can guarantee the power after 3-5 minutes of life time. You can guarantee the relevant documents and normal shutdown time. This will effectively protect your hard disk from damage.Santak
The data center is equipped with a UPS power supply. Why use a dual power supply?
The data center is usually the core area of information integration, must have adequate power supply, UPS power supply can only provide temporary power protection, to achieve real-time seamless power protection must be combined with double power supply, dual power is actually two different power input to the UPS, and then through the UPS to load. Double power conversion technique to now, has not yet reached zero conversion standard, but UPS, UPS is zero switching time.
How do you calculate the power supply time of UPS?
The power meter given by some manufacturers is watts/block, and the factor of 6 must be multiplied.For example: Emerson new generation rack type high-performance small capacity UPS-ITA series 20KVA, battery section 32 section (30-40 section even number section adjustable), UPS battery inversion efficiency 0.95, according to the full load 20kVA*0.9=18KW, reserves 2 hours computationW/cell = PL/ (N x 6 x ETA) =18000/ (32*6*0.95) =98.68 watts/cell
What is the UPS power supply and why does the front of the switch total trip?
General settings for current leakage protection device 60MA, larger 300MA, is very easy to cause the error protection of leakage protection. Therefore, the general UPS front is not install leakage protection so that UPS itself is not with leakage protection.
What's the SCR rectifier for UPS?
UPS and DC power supply enterprises is an important power supply protecting device, the traditional maintenance management includes: daily inspection appearance, regular replacement of batteries, filter capacitor, fan wearing parts, overhaul battery activation; the modification or replacement of equipment by using advanced tools, test battery performance. This kind of management means high cost of investment and heavy workload of maintenance personnel. It is difficult to grasp the equipment running state and key data in real time, and the accident prevention ability of equipment is low. The implementation of online maintenance management can avoid the shortcomings of the traditional way, and get good results.