High-quality UPS power supply selection guide

　　Uninterruptible power supply, or UPS, is a constant voltage and frequency uninterruptible power supply with energy storage device and inverter as the main component. It is mainly used to provide uninterrupted power supply to a single computer, computer network system or other power electronic equipment . When the mains input is normal, UPS stabilizes the mains and supplies it to the load. At this time, UPS is an AC mains voltage stabilizer, and it also charges the battery inside the machine; when the mains power is interrupted (power outage), UPS immediately uses the power of the battery inside the machine to continue to supply 220V AC to the load through inverter conversion, so that the load maintains normal operation and protects the load software and hardware from damage. UPS equipment usually provides protection against both excessive voltage and too low voltage.

　　A UPS can be used for at least 3 years. When choosing a UPS, users should determine the selection criteria according to their own requirements and choose the UPS that best suits their business needs, rather than the cheapest or most advanced. Before purchasing a UPS, users should consider the importance of the data processed by the load equipment, the requirements of various electrical equipment for power quality, installation and space requirements, and economic budget. In addition, whether the weight and size of the UPS are appropriate is also a key issue that we should pay attention to when purchasing.

　　Next, users should understand the required UPS capacity and consider the total capacity of future equipment expansion. It is also essential to choose a reputable brand and manufacturer. Of course, when purchasing a UPS, you should also pay attention to its output power, power supply time, output voltage waveform, transient response characteristics, output frequency stability, waveform distortion coefficient, output voltage stability, safety performance, maintainability and price. In short, users should choose appropriate UPS products according to their business needs and consider three aspects: technical performance, service guarantee and product price.