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IEVref:447-07-01ID:
Language:enStatus: Standard
Term: characteristic quantity
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Definition: electric quantity, or one of its parameters, the name of which characterizes a relay and the values of which are the subject of accuracy requirements

Examples:

– the current for an overcurrent or undercurrent relay;

– the frequency for a frequency relay, the input energising quantity of which may be a voltage;

– the power for a power relay, the input energising quantities of which are the current and the voltage.


Publication date:2010-06
Source:
Replaces:
Internal notes:2018-01-31: Editorial revision to spelling: "over-current" replaced by "overcurrent" and "under-current" replaced by "undercurrent" in line with current practice. JGO
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