Industrial uninterruptible power supplies are widely used in fields such as electronics, communication, computers, medical equipment, and manufacturing. In the fields of electronics, communication, computers, etc., industrial uninterruptible power supplies can ensure the stable operation of equipment, avoid data loss and system crashes. In the field of medical equipment, industrial uninterruptible power supplies can ensure the normal operation of medical equipment during power outages, safeguarding the safety of patients' lives. In the manufacturing industry, industrial uninterruptible power supplies can ensure that production lines will not be interrupted due to unstable power, avoiding economic losses caused by production line shutdowns.