IEVref: | 351-50-02 | ID: | |||||||||||

Language: | en | Status: Standard | |||||||||||

Term: | first-order lag element | ||||||||||||

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Definition: | linear time-invariant transfer element the transfer function of which has exactly one real-value negative pole and no zero Note 1 to entry: The transfer function of a first-order lag element is given as $\frac{V\left(s\right)}{U\left(s\right)}=\frac{{K}_{\text{\Rho}}}{1+{T}_{1}\cdot s}$ where
Note 1 to entry: This entry was numbered 351-28-13 in IEC 60050-351:2006. | ||||||||||||

Publication date: | 2013-11 | ||||||||||||

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Note 1 to entry: The transfer function of a first-order lag element is given as

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

where

K_{P} | is the proportional action coefficient; |

T_{1} | is the time constant; |

s | is the complex variable of the Laplace transform; |

U(s) | is the input transform; |

V(s) | is the output transform. |

Note 1 to entry: This entry was numbered 351-28-13 in IEC 60050-351:2006.