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Full Description

This Practice provides the requirements for a complete on-line, continuous duty, uninterruptible power supply (UPS) system. This Practice and the purchasers data sheet, PIP ELSAP04D, 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.
 

Document History

  1. PIP ELSAP04


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

    • Most Recent
  2. PIP ELSAP04


    Uninterruptible Power Supply (UPS) System Specification [Complete Revision]

    • Historical Version
  3. PIP ELSAP04

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    Uninterruptible Power Supply (UPS) System Specification [Complete Revision]

    • Historical Version
  4. PIP ELSAP04


    Uninterruptible Power Supply (UPS) System Specification [Complete Revision]

    • Historical Version
  5. PIP ELSAP04


    Design and Fabrication of Online Pulse Width Modulated Uninterruptible Power Supply System

    • Historical Version