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IEVref:448-11-01ID:
Language:enStatus: Standard
Term: protection
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Definition: provisions for detecting faults or other abnormal conditions in a power system, for enabling fault clearance, for terminating abnormal conditions, and for initiating signals or indications.

NOTE 1 – The term "protection" is a generic term for protection equipment or protection systems

NOTE 2 – The term "protection" may be used to describe the protection of a complete power system or the protection of individual plant items in a power system e.g. transformer protection, line protection, generator protection.

NOTE 3 – Protection does not include items of power system plant provided, for example, to limit overvoltages on the power system. However, it includes items provided to control the power system voltage or frequency deviations such as automatic reactor switching, load-shedding, etc.


Publication date:1995-12
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Internal notes:2013-11-21: Editorial corrections: article "the" deleted before "provisions for ..." and "equipments" corrected to "equipment" in "<NOTE 1 – The term "protection" is a generic term for protection equipments ...". JGO
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