Uninterruptible Power Supply (UPS) System Specification [Technical Correction]

Published by	Publication Date	Number of Pages
PIP	09/01/2021	29

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Category: PIP

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PIP ELSAP04 – Uninterruptible Power Supply (UPS) System Specification [Technical Correction]

This Practice and the purchaser’s PIP ELSAP04-D Data Sheet describe the minimum requirements for design, fabrication, inspection, testing, shipment, and documentation for a complete on-line, UPS system of either a pulse width modulated (PWM) or ferroresonant type. A PWM-type UPS system includes a rectifier/charger, inverter, static bypass switch, manual bypass switches, transformers, and accessories. A ferroresonant-type UPS system includes a rectifier/charger, inverter, constant voltage or ferroresonant transformer, static bypass switch, manual bypass switches, transformers, and accessories.