This once was the dominant style of UPS and is particularly limited to round the a hundred and fifty kVA assortment. These models are still primarily utilized in some industrial options (oil and gasoline, petrochemical, chemical, utility, and hefty sector markets) mainly because of the sturdy character in the UPS. https://pantip46553.blog-eye.com/33923003/not-known-details-about-uninterruptible-power-supply-definition