Nine factors of UPS power selection

1.Estimating the power of the UPS power supply

　　Calculate the total power consumption of the equipment based on the power consumption of the computer and its external equipment. The total power consumption multiplied by the safety factor is the estimated power of the UPS power supply , and the safety factor is generally taken to be 1.2-1.3.

2, the choice of domestic and imported UPS power

　　In the selection of domestic and imported UPS power, it is generally recommended to use domestic UPS power. In recent years, domestic small UPS power supplies have greatly improved in quality. The selection of domestic small UPS power supplies supports the economic and technological development of the country on the one hand, and has great convenience in maintenance on the other hand, such as complete accessories, satisfactory maintenance capabilities and speed. The quality of imported UPS power supply is generally good, but due to the difficulty of maintenance technology and accessories, once a failure occurs, it can not be repaired in time, and it cannot be used for a long time. Domestic UPS power sources, such as the UPS of Shank New Energy Technology (Shenzhen) Co., Ltd. , are more in line with domestic power supply performance in terms of operating performance. Some models of UPS power supplies have a wide input voltage range and have a regulated output function, which is suitable for a certain country These environments with poor power supply conditions.

3, the choice of online and backup UPS power

　　The choice of online or backup UPS power supply should be determined according to the needs of the equipment and economic conditions. If the economic conditions are good, an online UPS power supply can be selected; if the economic conditions are poor, but it does not affect the normal operation of the computer, a backup UPS power supply can also be selected.

4, the choice of long and short time power supply UPS power

　　The choice of long-term UPS power supply and short-time UPS power supply is mainly based on economic conditions and use needs. Economic conditions are good, long-term UPS power can be selected, otherwise short-term UPS power can be selected plus a small generator set as backup power.

5. Understand the power supply status of the UPS power usage site

　　Before selecting a UPS power supply, you must understand the power supply status of the UPS power supply site. General UPS power supply requirements for mains input are: input voltage 38OV ± 10%, 220V ± 10%; frequency 50 ± 0.5Hz. If the power supply condition of the use site is lower than this standard, a UPS power supply with a wide input range should be selected, and a stabilized voltage power supply or a voltage regulating device can be added in front of the UPS power supply.

6. Problems to pay attention to when selecting a backup UPS power supply

　　When choosing a backup UPS power supply, special attention should be paid to the switching time of the power supply. The switching time is mainly reflected in the switching time of the UPS power supply and the requirements of the microcomputer for the switching time. If it is not selected properly, the server will be shut down during the mains power failure, and it will not function as a backup power source.

7. Choose "Three Shops" and choose the best one

　　At present, there are many manufacturers and sales companies of small UPS power supplies. The product quality varies greatly, and the price varies greatly. Therefore, more consultation and investigation should be conducted. The technical indicators and performance-price ratios of different products must be carefully compared; "Three" choices are preferred.

8. Issues to note when selecting imported UPS power supplies

　　Some imported UPS power input and output wiring methods are different from those in China, so we should pay attention to improved methods when selecting them. Some foreign countries have UPS input and output wiring that is inconsistent with our standards. To put it simply, China's single-phase power supply is left zero right fire, while in the United States it is left zero right fire. In addition, it should be noted that the style of the American standard socket plug is not the same as China. When the United States national standard plug socket is changed to our national standard plug socket, we should pay attention to the internal connection relationship and cannot simply adjust the wire.

9. Convenience during maintenance is also a factor in selection

　　UPS power failure is a normal phenomenon. The convenience of maintenance during selection is also a factor that cannot be taken lightly, otherwise it will cause inconvenience to maintenance during use.