An overview of uninterruptible power supplies

摘要: An uninterruptible power supply (UPS) can range from a 9 volt battery all the way to an extremely large and costly system. The UPS sits between such as wall outlet device like computer prevent undesired features that occur within source outages, sags, surges, bad harmonics avoid negative impact on device. There are several types of UPSes they strictly relate computers. standby is backup fill in void loss, while ferroresonant stand by couples back up with transformer, where transformer acts buffer supply. line interactive uses inverter converter only, charged up, loss primary supply, switches over much quicker switching time UPS.