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The inverse-time characteristics of overcurrent relays are defined in this standard. Operating equations and allowances are provided in the standard. The standard defines an integral equation for microprocessor relays that ensures coordination not only in the case of constant current input but for any current condition of varying magnitude. Electromechanical inverse-time overcurrent relay reset characteristics are defined in the event that designers of microprocessor based relays and computer relays want to match the reset characteristics of the electromechanical relays.
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Subjects
Electric relays, StandardsShowing 1 featured edition. View all 1 editions?
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IEEE standard inverse-time characteristic equations for overcurrent relays
1997, Institute of Electrical and Electronics Engineers
in English
1559378875 9781559378871
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Edition Notes
"IEEE Std C37.112-1996."
"Approved 19 September 1996, IEEE Standards Board."
"27 January 1997"--Cover.
Includes bibliographical references.
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- Created September 27, 2008
- 3 revisions
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February 7, 2019 | Edited by MARC Bot | import existing book |
April 22, 2009 | Edited by ImportBot | add OCLC number |
September 27, 2008 | Created by ImportBot | Imported from Oregon Libraries MARC record |