Pulse-Width-Modulated (PWM) Uninterruptible Power Supply (UPS) System
|Publication Date:||1 October 2001|
This Practice and PIP ELSAP04D, henceforth called the Data Sheet, define the minimum requirements for a complete on-line, PWM-type UPS system. These include requirements for design, fabrication, inspection, testing, shipment, and documentation. PWM-type UPS systems include a rectifier/charger, inverter, static bypass switch, manual bypass switches, transformers, and accessories. Batteries are not covered by this Practice.
This Practice provides the requirements-includi