This when was the dominant style of UPS and is also restricted to around the a hundred and fifty kVA vary. These models are still predominantly utilized in certain industrial options (oil and fuel, petrochemical, chemical, utility, and heavy business marketplaces) mainly because of the strong nature on the UPS. https://holdenr1byw.newbigblog.com/39972467/the-greatest-guide-to-uninterruptible-power-supply-cyberpower