This at the time was the dominant kind of UPS and is restricted to throughout the a hundred and fifty kVA range. These units remain generally utilised in certain industrial settings (oil and fuel, petrochemical, chemical, utility, and significant business marketplaces) mainly because of the robust nature from the UPS. https://pantip49269.qodsblog.com/33815380/5-essential-elements-for-ups-uninterruptible-power-supply