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White paperCitation2016

WP#69 - The Importance of Ride-through Testing Data

The Green Grid · Doug McIlvoy, Wayne Cook et al.

The Green Grid follow-up to WP#63 presenting ride-through test data for standalone internal server PSUs and explaining why such data matter.

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Overview

This white paper (WP 69) is a follow-up to The Green Grid's WP#63 on Free Power Quality. It is dated 15 November 2016 and its author team includes Doug McIlvoy, Wayne Cook, Alan French, Don Goddard, Brian Griffith, Harry Handlin, Mike Model, Jim Spitaels and Charlie Swiontek. The paper addresses ride-through: how long a server keeps operating through a power interruption.

According to its abstract, the paper presents data from many ride-through tests of standalone internal server power supplies (PSUs). It explains why such data matter for Free Power Quality and for recovery after interruptions. It also recommends how to gather ride-through data and how to address its implications, so readers receive a suggested measurement approach as well as results.

The limit is that the content is known only from the summary on The Green Grid library page; download requires a free account and is governed by Terms of Use. The numerical test results are therefore not part of this record. Even so, the paper stresses the need to document how server PSUs actually behave during UPS transfers and grid disturbances, which indicates that designers should use manufacturer data.

Key points

  1. Dated 15 November 2016.
  2. Builds on WP#63 Free Power Quality.
  3. Presents ride-through test data for standalone internal server PSUs.
  4. Explains why ride-through data matter for Free Power Quality and recovery after interruptions.
  5. Recommends methods for gathering ride-through data.
  6. Authors include Doug McIlvoy, Wayne Cook, Alan French and Jim Spitaels.

Using it in design

  • Catalog the ride-through time per PSU.
  • Use it in the UPS mode and transfer checks.
  • Add a check that compares ride-through time with transfer time.
  • State in the report when an assumed value is used for a PSU without manufacturer data.

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Who should read it

Electrical designers examining power quality and UPS transfers, and engineers assessing server PSU behaviour.

Publication details

Authors
Doug McIlvoy; Wayne Cook; Alan French; Don Goddard; Brian Griffith; Harry Handlin; Mike Model; Jim Spitaels; Charlie Swiontek
Publisher
The Green Grid
Year
2016
Document number
WP 69
Document language
English
Source type
Industry body
Access
Citation only
Licence
Copyright retained; citation only — the publisher’s terms apply to the original document
Original licence note

Download requires a free TGG account sign-in and is governed by The Green Grid Terms of Use; summary and facts from the public library landing page; full text not redistributed.

Citation

Doug McIlvoy; Wayne Cook; Alan French; Don Goddard; Brian Griffith; Harry Handlin; Mike Model; Jim Spitaels; Charlie Swiontek (2016). WP#69 - The Importance of Ride-through Testing Data. The Green Grid. WP 69. https://www.thegreengrid.org/en/resources/library-and-tools/369-WP%23-69---The-Importance-of-Ride-through-Testing-Data

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