IEVref:351-50-08ID:
Language:enStatus: Standard
Term: integral element
Synonym1: I element
[Preferred]
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Definition: linear time-invariant transfer element the time derivative of the output variable of which is proportional to the corresponding value of the input variable

Note 1 to entry: The transfer function of an I element is given as

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

where
 KI is the integral 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 351-28-19 in IEC 60050-351:2006.

Publication date:2013-11
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