This the moment was the dominant type of UPS and is particularly restricted to around the 150 kVA range. These units remain mainly made use of in a few industrial options (oil and gasoline, petrochemical, chemical, utility, and weighty industry markets) as a result of robust nature of the UPS. https://bodyguard41592.jaiblogs.com/60794924/an-unbiased-view-of-uninterruptible-power-supply-apc