ExcST2A

Class Description

Modified IEEE ST2A static excitation system with another lead-lag block added to match the model defined by WECC.

Attributes

Name Type Description
efdmax PU Maximum field voltage (Efdmax) (>= 0). Typical value = 99.
ka PU Voltage regulator gain (Ka) (> 0). Typical value = 120.
kc PU Rectifier loading factor proportional to commutating reactance (Kc) (>= 0). Typical value = 1,82.
ke PU Exciter constant related to self-excited field (Ke). Typical value = 1.
kf PU Excitation control system stabilizer gains (kf) (>= 0). Typical value = 0,05.
ki PU Potential circuit gain coefficient (Ki) (>= 0). Typical value = 8.
kp PU Potential circuit gain coefficient (Kp) (>= 0). Typical value = 4,88.
ta Seconds Voltage regulator time constant (Ta) (> 0). Typical value = 0,15.
tb Seconds Voltage regulator time constant (Tb) (>= 0). Typical value = 0.
tc Seconds Voltage regulator time constant (Tc) (>= 0). Typical value = 0.
te Seconds Exciter time constant, integration rate associated with exciter control (Te) (> 0). Typical value = 0,5.
tf Seconds Excitation control system stabilizer time constant (Tf) (>= 0). Typical value = 0,7.
uelin Boolean UEL input (UELin).
true = HV gate
false = add to error signal.
Typical value = false.
vrmax PU Maximum voltage regulator outputs (Vrmax) (> 0). Typical value = 1.
vrmin PU Minimum voltage regulator outputs (Vrmin) (< 0). Typical value = -1.

Relationships

Inherits from

Descendant classes

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Leaf/Root class

IsLeaf IsRoot
False False

Associations

None