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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

V( s ) U( s ) = K I s MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgarqqtubsr4rNCHbGeaGqipG0dh9qqWrVepG0dbbL8F4rqqrVepeea0xe9LqFf0xc9q8qqaqFn0lXdHiVcFbIOFHK8Feea0dXdar=Jb9hs0dXdHuk9fr=xfr=xfrpeWZqaaiqaciWacmGadaGadeaabaGaaqaaaOqaamaalaaabaGaamOvamaabmaabaGaam4CaaGaayjkaiaawMcaaaqaaiaadwfadaqadaqaaiaadohaaiaawIcacaGLPaaaaaGaeyypa0ZaaSaaaeaacaWGlbWaaSbaaSqaaiGacMeaaeqaaaGcbaGaam4Caaaaaaa@3FFA@

where
KIis the integral action coefficient;
sis 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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