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2001 Edition, October 2001

Complete Document

Pulse-Width-Modulated (PWM) Uninterruptible Power Supply (UPS) System

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Product Details:

  • Revision: 2001 Edition, October 2001
  • Published Date: October 2001
  • Status: Historical
  • Document Language: English
  • Published By: Process Industry Practices (PIP)
  • Page Count: 13
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

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—including design, installation, inspection, testing, shipment, and documentation—for the purchase of a complete on-line, pulse-width-modulated (PWM) uninterruptible power supply (UPS) system for application in process industries.