IEVref:351-50-16ID:
Language:enStatus: Standard
Term: proportional plus derivative element
Synonym1: PD element
[Preferred]
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Definition: linear time-invariant transfer element created by the additive combination of a proportional element and a derivative element

Note 1 to entry: The transfer function of an ideal proportional plus derivative element is given by

$\frac{V\left(s\right)}{U\left(s\right)}={K}_{\text{Ρ}}\cdot \left(1+{T}_{\text{d}}\cdot s\right)$

where
 Td is the rate time; 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 351-28-27 in IEC 60050-351:2006.

Publication date:2013-11
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