IEVref: 351-50-15 ID: Language: en Status: Standard Term: derivative action time Synonym1: Synonym2: Synonym3: Symbol: Definition: for a derivative element, quantity equal to the derivative action coefficient, if its input and output variables are variable quantities of the same kindNote 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 Source: Replaces: Internal notes: CO remarks: TC/SC remarks: VT remarks: Domain1: Domain2: Domain3: Domain4: Domain5: