IEVref:351-50-13ID:
Language:enStatus: Standard
Term: derivative element
Synonym1: D element
[Preferred]
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Definition: linear time-invariant transfer element in which the value of the output variable is proportional to the time derivative of the input variable

Note 1 to entry: The transfer function of a derivative element is given by

$\frac{V\left(s\right)}{U\left(s\right)}={K}_{\text{D}}\cdot s$

where
 KD is the derivative action coefficient; s is the complex variable of the Laplace transform; U(s) is the input transform; V(s) is the output transform.

Note 2 to entry: This entry was numbered 351-28-24 in IEC 60050-351:2006.

Publication date:2013-11
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