Class Description

IEEE 421.5-2005 type DC4B model. These excitation systems utilize a field-controlled DC commutator exciter with a continuously acting voltage regulator having supplies obtained from the generator or auxiliary bus.
Reference: IEEE 421.5-2005, 5.4.

Attributes

Name Type Description
efd1 PU Exciter voltage at which exciter saturation is defined (EFD1) (> 0). Typical value = 1,75.
efd2 PU Exciter voltage at which exciter saturation is defined (EFD2) (> 0). Typical value = 2,33.
ka PU Voltage regulator gain (KA) (> 0). Typical value = 1.
kd PU Regulator derivative gain (KD) (>= 0). Typical value = 20.
ke PU Exciter constant related to self-excited field (KE). Typical value = 1.
kf PU Excitation control system stabilizer gain (KF) (>= 0). Typical value = 0.
ki PU Regulator integral gain (KI) (>= 0). Typical value = 20.
kp PU Regulator proportional gain (KP) (>= 0). Typical value = 20.
oelin Boolean OEL input (OELin).
true = LV gate
false = subtract from error signal.
Typical value = true.
seefd1 Float Exciter saturation function value at the corresponding exciter voltage, EFD1 (SE[EFD1]) (>= 0). Typical value = 0,08.
seefd2 Float Exciter saturation function value at the corresponding exciter voltage, EFD2 (SE[EFD2]) (>= 0). Typical value = 0,27.
ta Seconds Voltage regulator time constant (TA) (> 0). Typical value = 0,2.
td Seconds Regulator derivative filter time constant (TD) (> 0 if ExcIEEEDC4B.kd > 0). Typical value = 0,01.
te Seconds Exciter time constant, integration rate associated with exciter control (TE) (> 0). Typical value = 0,8.
tf Seconds Excitation control system stabilizer time constant (TF) (>= 0). Typical value = 1.
uelin Boolean UEL input (UELin).
true = HV gate
false = add to error signal.
Typical value = true.
vemin PU Minimum exciter voltage output (VEMIN) (<= 0). Typical value = 0.
vrmax PU Maximum voltage regulator output (VRMAX) (> ExcIEEEDC4B.vrmin). Typical value = 2,7.
vrmin PU Minimum voltage regulator output (VRMIN) (<= 0 and < ExcIEEEDC4B.vrmax). Typical value = -0,9.

Relationships

Inherits from

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Leaf/Root class

IsLeaf IsRoot
False False

Associations

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