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IEEE C37.90.1-2002

Historical Revision

IEEE Standard for Surge Withstand Capability (SWC) Tests for Relays and Relay Systems Associated with Electric Power Apparatus

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Revision Standard - Superseded. Two types of design tests for relays and relay systems that relate to the immunity of this equipment to repetitive electrical transients are specified. Test generator characteristics, test wave-forms, selection of equipment terminals on which tests are to be conducted, test procedures, criteria for acceptance, and documentation of test results are described. This standard has been harmonized with IEC standards where consensus could be reached.
This standard specifies design tests for relays and relay systems that relate to the immunity of this equipment to repetitive electrical transients. Two types of tests are specified. The oscillatory and fast transient SWC tests are defined as distinct tests. However, it is not intended to prohibit a combined test, provided all requirements of the individual SWC tests are met. The application of SWC tests to equipment other than relays and relay systems is the responsibility of those specifying the testing.
The purpose of this standard is to establish a common and reproducible basis for evaluating the performance of relays and relay systems when subjected to repetitive transients on supply, signal, control, and communication lines or connections. This standard is to establish that an evaluation is performed during both normal (non-tripped) and abnormal (tripped) relay operating conditions.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number C37.90.1
Publication Date May 24, 2002
Language en - English
Page Count 42
Revision Level
Supercedes
Committee Power System Relaying and Control
Publish Date Document Id Type View
Sept. 17, 2012 C37.90.1-2012 Revision
May 24, 2002 C37.90.1-2002 Revision
Oct. 20, 1989 C37.90.1-1989 Revision
July 15, 1974 C37.90.1-1974 Revision