ExcIEEEDC2A

Class Description

IEEE 421.5-2005 type DC2A model. This model represents field-controlled DC commutator exciters with continuously acting voltage regulators having supplies obtained from the generator or auxiliary bus. It differs from the type DC1A model only in the voltage regulator output limits, which are now proportional to terminal voltage VT.
It is representative of solid-state replacements for various forms of older mechanical and rotating amplifier regulating equipment connected to DC commutator exciters.
Reference: IEEE 421.5-2005, 5.2.

Attributes

Name Type Description
efd1 PU Exciter voltage at which exciter saturation is defined (EFD1) (> 0). Typical value = 3,05.
efd2 PU Exciter voltage at which exciter saturation is defined (EFD2) (> 0). Typical value = 2,29.
exclim PU (exclim). IEEE standard is ambiguous about lower limit on exciter output. Typical value = - 999 which means that there is no limit applied.
ka PU Voltage regulator gain (KA) (> 0). Typical value = 300.
ke PU Exciter constant related to self-excited field (KE). Typical value = 1.
kf PU Excitation control system stabilizer gain (KF) (>= 0). Typical value = 0,1.
seefd1 Float Exciter saturation function value at the corresponding exciter voltage, EFD1 (SE[EFD1]) (>= 0). Typical value = 0,279.
seefd2 Float Exciter saturation function value at the corresponding exciter voltage, EFD2 (SE[EFD2]) (>= 0). Typical value = 0,117.
ta Seconds Voltage regulator time constant (TA) (> 0). Typical value = 0,01.
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 = 1,33.
tf Seconds Excitation control system stabilizer time constant (TF) (> 0). Typical value = 0,675.
uelin Boolean UEL input (uelin).
true = input is connected to the HV gate
false = input connects to the error signal.
Typical value = true.
vrmax PU Maximum voltage regulator output (VRMAX)(> ExcIEEEDC2A.vrmin). Typical value = 4,95.
vrmin PU Minimum voltage regulator output (VRMIN) (< 0 and < ExcIEEEDC2A.vrmax). Typical value = -4,9.

Relationships

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Leaf/Root class

IsLeaf IsRoot
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