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IEVref:351-50-15ID:
Language:enStatus: Standard
Term: derivative action time
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Definition: for a derivative element, quantity equal to the derivative action coefficient, if its input and output variables are variable quantities of the same kind

Note 1 to entry: Then the derivative action time is given by TD = KD, where KD is the derivative action coefficient.

Note 2 to entry: The derivative action time can also be given as the duration of the time interval required by a rampwise variation of the input variable of a derivative element to reach the value of the stepwise variation of its output variable.

Note 3 to entry: This entry was numbered 351-28-26 in IEC 60050-351:2006.


Publication date:2013-11
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