UnderexcLimIEEE1

Class Description

Type UEL1 model which has a circular limit boundary when plotted in terms of machine reactive power vs. real power output.
Reference: IEEE UEL1 421.5-2005, 10.1.

Attributes

Name Type Description
kuc PU UEL centre setting (KUC). Typical value = 1,38.
kuf PU UEL excitation system stabilizer gain (KUF). Typical value = 3,3.
kui PU UEL integral gain (KUI). Typical value = 0.
kul PU UEL proportional gain (KUL). Typical value = 100.
kur PU UEL radius setting (KUR). Typical value = 1,95.
tu1 Seconds UEL lead time constant (TU1) (>= 0). Typical value = 0.
tu2 Seconds UEL lag time constant (TU2) (>= 0). Typical value = 0,05.
tu3 Seconds UEL lead time constant (TU3) (>= 0). Typical value = 0.
tu4 Seconds UEL lag time constant (TU4) (>= 0). Typical value = 0.
vucmax PU UEL maximum limit for operating point phasor magnitude (VUCMAX). Typical value = 5,8.
vuimax PU UEL integrator output maximum limit (VUIMAX) (> UnderexcLimIEEE1.vuimin).
vuimin PU UEL integrator output minimum limit (VUIMIN) (< UnderexcLimIEEE1.vuimax).
vulmax PU UEL output maximum limit (VULMAX) (> UnderexcLimIEEE1.vulmin). Typical value = 18.
vulmin PU UEL output minimum limit (VULMIN) (< UnderexcLimIEEE1.vulmax). Typical value = -18.
vurmax PU UEL maximum limit for radius phasor magnitude (VURMAX). Typical value = 5,8.

Relationships

Inherits from

Descendant classes

  • No descendant classes

Leaf/Root class

IsLeaf IsRoot
False False

Associations

None