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ExcIEEEDC4B

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

NameTypeDescription
efd1PUExciter voltage at which exciter saturation is defined (<i>E</i><i><sub>FD1</sub></i>) (> 0). Typical value = 1,75.
efd2PUExciter voltage at which exciter saturation is defined (<i>E</i><i><sub>FD2</sub></i>) (> 0). Typical value = 2,33.
kaPUVoltage regulator gain (<i>K</i><i><sub>A</sub></i>) (> 0). Typical value = 1.
kdPURegulator derivative gain (<i>K</i><i><sub>D</sub></i>) (>= 0). Typical value = 20.
kePUExciter constant related to self-excited field (<i>K</i><i><sub>E</sub></i>). Typical value = 1.
kfPUExcitation control system stabilizer gain (<i>K</i><i><sub>F</sub></i>) (>= 0). Typical value = 0.
kiPURegulator integral gain (<i>K</i><i><sub>I</sub></i>) (>= 0). Typical value = 20.
kpPURegulator proportional gain (<i>K</i><i><sub>P</sub></i>) (>= 0). Typical value = 20.
oelinBooleanOEL input (<i>OELin</i>).
true = LV gate
false = subtract from error signal.
Typical value = true.
seefd1FloatExciter saturation function value at the corresponding exciter voltage, <i>E</i><i><sub>FD1</sub></i> (<i>S</i><i><sub>E</sub></i><i>[E</i><i><sub>FD1</sub></i><i>]</i>) (>= 0). Typical value = 0,08.
seefd2FloatExciter saturation function value at the corresponding exciter voltage, <i>E</i><i><sub>FD2</sub></i> (<i>S</i><i><sub>E</sub></i><i>[E</i><i><sub>FD2</sub></i><i>]</i>) (>= 0). Typical value = 0,27.
taSecondsVoltage regulator time constant (<i>T</i><i><sub>A</sub></i>) (> 0). Typical value = 0,2.
tdSecondsRegulator derivative filter time constant (<i>T</i><i><sub>D</sub></i>) (> 0 if ExcIEEEDC4B.kd > 0). Typical value = 0,01.
teSecondsExciter time constant, integration rate associated with exciter control (<i>T</i><i><sub>E</sub></i>) (> 0). Typical value = 0,8.
tfSecondsExcitation control system stabilizer time constant (<i>T</i><i><sub>F</sub></i>) (>= 0). Typical value = 1.
uelinBooleanUEL input (<i>UELin</i>).
true = HV gate
false = add to error signal.
Typical value = true.
veminPUMinimum exciter voltage output (<i>V</i><i><sub>EMIN</sub></i>) (<= 0). Typical value = 0.
vrmaxPUMaximum voltage regulator output (<i>V</i><i><sub>RMAX</sub></i>) (> ExcIEEEDC4B.vrmin). Typical value = 2,7.
vrminPUMinimum voltage regulator output (<i>V</i><i><sub>RMIN</sub></i>) (<= 0 and < ExcIEEEDC4B.vrmax). Typical value = -0,9.

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