ExcAC3A

Class Description

Modified IEEE AC3A alternator-supplied rectifier excitation system with different field current limit.

Attributes

Name Type Description
efdn PU Value of Efd at which feedback gain changes (Efdn) (> 0). Typical value = 2,36.
ka Seconds Voltage regulator gain (Ka) (> 0). Typical value = 45,62.
kc PU Rectifier loading factor proportional to commutating reactance (Kc) (>= 0). Typical value = 0,104.
kd PU Demagnetizing factor, a function of exciter alternator reactances (Kd) (>= 0). Typical value = 0,499.
ke PU Exciter constant related to self-excited field (Ke). Typical value = 1.
kf PU Excitation control system stabilizer gains (Kf) (>= 0). Typical value = 0,143.
kf1 PU Coefficient to allow different usage of the model (Kf1). Typical value = 1.
kf2 PU Coefficient to allow different usage of the model (Kf2). Typical value = 0.
klv PU Gain used in the minimum field voltage limiter loop (Klv). Typical value = 0,194.
kn PU Excitation control system stabilizer gain (Kn) (>= 0). Typical value =0,05.
kr PU Constant associated with regulator and alternator field power supply (Kr) (> 0). Typical value =3,77.
ks PU Coefficient to allow different usage of the model-speed coefficient (Ks). Typical value = 0.
seve1 Float Exciter saturation function value at the corresponding exciter voltage, Ve1, back of commutating reactance (Se[Ve1]) (>= 0). Typical value = 1,143.
seve2 Float Exciter saturation function value at the corresponding exciter voltage, Ve2, back of commutating reactance (Se[Ve2]) (>= 0). Typical value = 0,1.
ta PU Voltage regulator time constant (Ta) (> 0). Typical value = 0,013.
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 = 1,17.
tf Seconds Excitation control system stabilizer time constant (Tf) (> 0). Typical value = 1.
vamax PU Maximum voltage regulator output (Vamax) (> 0). Typical value = 1.
vamin PU Minimum voltage regulator output (Vamin) (< 0). Typical value = -0,95.
ve1 PU Exciter alternator output voltages back of commutating reactance at which saturation is defined (Ve1) (> 0). Typical value = 6.24.
ve2 PU Exciter alternator output voltages back of commutating reactance at which saturation is defined (Ve2) (> 0). Typical value = 4,68.
vemin PU Minimum exciter voltage output (Vemin) (<= 0). Typical value = 0.
vfemax PU Exciter field current limit reference (Vfemax) (>= 0). Typical value = 16.
vlv PU Field voltage used in the minimum field voltage limiter loop (Vlv). Typical value = 0,79.

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Leaf/Root class

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