ExcAC3A
Class Description
Modified IEEE AC3A alternator-supplied rectifier excitation system with different field current limit.
Attributes
| Name | Type | Description |
|---|---|---|
| efdn | PU | Value of <i>Efd </i>at which feedback gain changes (<i>Efdn</i>) (> 0). Typical value = 2,36. |
| ka | Seconds | Voltage regulator gain (<i>Ka</i>) (> 0). Typical value = 45,62. |
| kc | PU | Rectifier loading factor proportional to commutating reactance (<i>Kc</i>) (>= 0). Typical value = 0,104. |
| kd | PU | Demagnetizing factor, a function of exciter alternator reactances (<i>Kd</i>) (>= 0). Typical value = 0,499. |
| ke | PU | Exciter constant related to self-excited field (<i>Ke</i>). Typical value = 1. |
| kf | PU | Excitation control system stabilizer gains (<i>Kf</i>) (>= 0). Typical value = 0,143. |
| kf1 | PU | Coefficient to allow different usage of the model (<i>Kf1</i>). Typical value = 1. |
| kf2 | PU | Coefficient to allow different usage of the model (<i>Kf2</i>). Typical value = 0. |
| klv | PU | Gain used in the minimum field voltage limiter loop (<i>Klv</i>). Typical value = 0,194. |
| kn | PU | Excitation control system stabilizer gain (<i>Kn</i>) (>= 0). Typical value =0,05. |
| kr | PU | Constant associated with regulator and alternator field power supply (<i>Kr</i>) (> 0). Typical value =3,77. |
| ks | PU | Coefficient to allow different usage of the model-speed coefficient (<i>Ks</i>). Typical value = 0. |
| seve1 | Float | Exciter saturation function value at the corresponding exciter voltage, <i>Ve</i><i><sub>1</sub></i>, back of commutating reactance (<i>Se[Ve</i><i><sub>1</sub></i><i>]</i>) (>= 0). Typical value = 1,143. |
| seve2 | Float | Exciter saturation function value at the corresponding exciter voltage, <i>Ve</i><i><sub>2</sub></i>, back of commutating reactance (<i>Se[Ve</i><i><sub>2</sub></i><i>]</i>) (>= 0). Typical value = 0,1. |
| ta | PU | Voltage regulator time constant (<i>Ta</i>) (> 0). Typical value = 0,013. |
| tb | Seconds | Voltage regulator time constant (<i>Tb</i>) (>= 0). Typical value = 0. |
| tc | Seconds | Voltage regulator time constant (<i>Tc</i>) (>= 0). Typical value = 0. |
| te | Seconds | Exciter time constant, integration rate associated with exciter control (<i>Te</i>) (> 0). Typical value = 1,17. |
| tf | Seconds | Excitation control system stabilizer time constant (<i>Tf</i>) (> 0). Typical value = 1. |
| vamax | PU | Maximum voltage regulator output (<i>Vamax</i>) (> 0). Typical value = 1. |
| vamin | PU | Minimum voltage regulator output (<i>Vamin</i>) (< 0). Typical value = -0,95. |
| ve1 | PU | Exciter alternator output voltages back of commutating reactance at which saturation is defined (<i>Ve</i><i><sub>1</sub></i>) (> 0). Typical value = 6.24. |
| ve2 | PU | Exciter alternator output voltages back of commutating reactance at which saturation is defined (<i>Ve</i><i><sub>2</sub></i>) (> 0). Typical value = 4,68. |
| vemin | PU | Minimum exciter voltage output (<i>Vemin</i>) (<= 0). Typical value = 0. |
| vfemax | PU | Exciter field current limit reference (<i>Vfemax</i>) (>= 0). Typical value = 16. |
| vlv | PU | Field voltage used in the minimum field voltage limiter loop (<i>Vlv</i>). Typical value = 0,79. |
Relationships
Ancestors
Descendents
No descendent classes
Associations
None