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
Descendant classes
- No descendant classes
Leaf/Root class
IsLeaf | IsRoot |
---|---|
False | False |
Associations
None