ExcAC2A

Class Description

Modified IEEE AC2A alternator-supplied rectifier excitation system with different field current limit.

Attributes

Name Type Description
ve2 PU Exciter alternator output voltages back of commutating reactance at which saturation is defined (Ve2) (> 0). Typical value = 3,3.
vfemax PU Exciter field current limit reference (Vfemax) (>= 0). Typical value = 4,4.
vlr PU Maximum exciter field current (Vlr) (> 0). Typical value = 4,4.
vrmax PU Maximum voltage regulator outputs (Vrmax) (> 0). Typical value = 105.
vrmin PU Minimum voltage regulator outputs (Vrmin) (< 0). Typical value = -95.
hvgate Boolean Indicates if HV gate is active (HVgate).
true = gate is used
false = gate is not used.
Typical value = true.
ka PU Voltage regulator gain (Ka) (> 0). Typical value = 400.
kb PU Second stage regulator gain (Kb) (> 0). Exciter field current controller gain. Typical value = 25.
kb1 PU Second stage regulator gain (Kb1). It is exciter field current controller gain used as alternative to Kb to represent a variant of the ExcAC2A model. Typical value = 25.
kc PU Rectifier loading factor proportional to commutating reactance (Kc) (>= 0). Typical value = 0,28.
kd PU Demagnetizing factor, a function of exciter alternator reactances (Kd) (>= 0). Typical value = 0,35.
ke PU Exciter constant related to self-excited field (Ke). Typical value = 1.
kf PU Excitation control system stabilizer gains (Kf) (>= 0). Typical value = 0,03.
kh PU Exciter field current feedback gain (Kh) (>= 0). Typical value = 1.
kl PU Exciter field current limiter gain (Kl). Typical value = 10.
kl1 PU Coefficient to allow different usage of the model (Kl1). Typical value = 1.
ks PU Coefficient to allow different usage of the model-speed coefficient (Ks) (>= 0). Typical value = 0.
lvgate Boolean Indicates if LV gate is active (LVgate).
true = gate is used
false = gate is not used.
Typical value = true.
seve1 Float Exciter saturation function value at the corresponding exciter voltage, Ve1, back of commutating reactance (Se[Ve1]) (>= 0). Typical value = 0,037.
seve2 Float Exciter saturation function value at the corresponding exciter voltage, Ve2, back of commutating reactance (Se[Ve2]) (>= 0). Typical value = 0,012.
ta Seconds Voltage regulator time constant (Ta) (> 0). Typical value = 0,02.
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 = 0,6.
tf Seconds Excitation control system stabilizer time constant (Tf) (> 0). Typical value = 1.
vamax PU Maximum voltage regulator output (Vamax) (> 0). Typical value = 8.
vamin PU Minimum voltage regulator output (Vamin) (< 0). Typical value = -8.
ve1 PU Exciter alternator output voltages back of commutating reactance at which saturation is defined (Ve1) (> 0). Typical value = 4,4.

Relationships

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Leaf/Root class

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