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IEEE C37.90 PDF
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IEEE Standard for Relays and Relay Systems Associated with Electric Power Apparatus
| Published by | Publication Date | Number of Pages |
| IEEE | 01/31/2006 | 25 |
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IEEE C37.90 – IEEE Standard for Relays and Relay Systems Associated with Electric Power Apparatus
Revision Standard – Inactive-Reserved.Service conditions, electrical ratings, thermal ratings, and testing requirements are defined for relays and relay systems used to protect and control power apparatus. This standard establishes a common reproducible basis for designing and evaluating relays and relay systems.
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