Application of telecom companies and offline UPS

Telecom and offline UPS: usually in the ups battery state of charge, the offline UPS in power inverter emergency switch to working state, the direct currentchange battery provides for AC output stable, so the backup UPS is also known as the offline UPS. Advantages of UPS backup UPS power line is: high efficiency, low noise, the price is relatively cheap, off-line UPS is mainly applied to city waves moving little, offline UPS on power quality requirements are not high, the telecom company tip: offline UPS more suitable for home use.However,emergency power ups the UPS has a switching time, therefore not suitable for use in power supply can not interrupt the crucial place. But in fact the switching time is very short, the offline UPS generally ranged from 2 to 10 ms, and the switching power supply of computer itself in power should be maintained around 10 milliseconds, so the personal computer system is generally not because theswitching time and problems. high frequency online ups backup UPS generally only a few minutes to tens of minutes of continuous power supply, is mainly lets you havethe time to backup your data, and finish the work as soon as possible, the price is low. The computer application is not too critical, such as individual home users, you can backup with small power UPS.