UPS uninterruptible power switching process

With the rapid economic and social development and the continuous improvement of the level of electrification, power users have higher and higher requirements for the continuity and reliability of power supply, especially some important customers such as high-rise buildings, precision factories, hazardous chemical enterprises, etc. have higher requirements for continuous power supply. Urgent demand, very sensitive to power outages, even short-term power outages, power outages may cause large economic losses and social impacts. Power supply companies are involved in distribution network user access, defect handling, equipment maintenance, construction and other work The non-stop operation technology is widely used to minimize the impact of power outages. In recent years, medium and low-voltage generator vehicles, as a new type of non-stop operation technology, are widely used in power grid construction and maintenance and user access. When switching switches and distribution boxes, it is necessary to manually arrive at the site and manually connect them. In the case of no power supply, it is easy to cause safety accidents due to human errors or accidental factors, and the safety of the staff cannot be guaranteed. During power cutover, for dual power supply equipment, Electric cutover method can be used; however, when encountering single power supply equipment, and this equipment is very important, interruption of cutover is not allowed.

When the grid power supply is suddenly disconnected, the UPS instantly enables the battery pack to supply power to ensure that the equipment continues to work for a period of time.

When the battery power is lower than 25 percent, the output will be disconnected after a low battery warning is issued. If it needs to be restarted, it is necessary to manually press the start switch. At this time, the UPS continues to output until the battery voltage protection stops.