Nine factors for selecting UPS power supply
Time:2022-03-12
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1. Estimate the power of UPS power supply: Calculate the total power consumption of the equipment based on the power consumption of the computer and its external devices. The total electricity consumption multiplied by the safety factor is the estimated power of the UPS power supply, and the safety factor is generally recommended to be between 1.2 and 1.3.
2. Selection of domestic and imported UPS power supplies: In the selection of domestic and imported UPS power supplies, it is generally recommended to choose domestic UPS power supplies. In recent years, there has been a significant improvement in the quality of domestically produced small UPS power supplies. Choosing a domestically produced small UPS power supply is not only to support the country‘s economic and technological development, but also to provide great convenience in maintenance, such as complete accessories, satisfactory maintenance capabilities and speed. Imported UPS power supplies generally have good quality, but due to difficulties in maintenance technology and accessories, once a malfunction occurs, they often cannot be repaired in a timely manner and cannot be used for a long time. Domestic UPS power supplies, such as the UPS of Shanke New Energy Technology (Shenzhen) Co., Ltd., are more in line with the domestic power supply situation in terms of working performance. Some models of UPS power supplies have a wide input voltage range and stable output function, which is suitable for certain environments with poor power supply conditions in China.
3. The selection of online and backup UPS power supply: The choice of online or backup UPS power supply should be based on the needs of the equipment and economic conditions. If the economic conditions are good, online UPS power supply can be selected; If the economic conditions are poor but do not affect the normal operation of the microcomputer, a backup UPS power supply can also be selected.
4. The selection of long-term and short-term UPS power supply: In the selection of long-term and short-term UPS power supply, the main consideration is economic conditions and usage needs. If the economic conditions are good, a long-term UPS power supply can be chosen. Otherwise, a short-term UPS power supply combined with a small generator set can be chosen as a backup power supply.
5. Understanding the power supply status of the UPS power supply site: Before selecting a UPS power supply, it is important to understand the power supply status of the UPS power supply site. The general requirements of UPS power supply for mains power input are: input voltage of 38OV ± 10%, 220V ± 10%; Frequency 50 ± 0.5Hz. If the power supply condition of the site is lower than this standard, another UPS power supply with a wide input range should be selected, or a voltage regulator or voltage regulation device can be added at the front end of the UPS power supply.
6. When selecting 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 UPS power supply and the requirements of the microcomputer for switching time. If not selected properly, it can also cause server downtime and fail to serve as a backup power source in the event of a power outage.
7. Choose the best option based on a comparison of prices: Currently, there are many manufacturers and sellers of small UPS power supplies, with varying product quality and price differences. Therefore, it is necessary to consult and investigate more, and carefully compare the technical indicators and performance price ratios of different products; Choose the best option by comparing products from three different sources.
8. Attention should be paid to the selection of imported UPS power supplies: Some imported UPS power supplies have different input and output wiring methods compared to China, and attention should be paid to improving methods when selecting them. Some UPS power supplies abroad have input and output wiring methods that are opposite to Chinese standards. Simply put, single-phase power supply in China is left neutral and right neutral, while in the United States it is left neutral and right neutral. Additionally, it should be noted that the style of American standard socket plugs is also different from that in China. When changing from a national standard plug socket in the United States to a national standard plug socket in China, attention should be paid to the internal connector relationship and the wiring should not be simply adjusted.
9. Convenience during maintenance is also a factor in selection: UPS power failure is a normal phenomenon, and the convenience of maintenance during selection should not be underestimated, otherwise it will bring inconvenience to maintenance during use.
