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ExcSK

Slovakian excitation system. UEL and secondary voltage control are included in this model. When this model is used, there cannot be a separate underexcitation limiter or VAr controller model.

Inheritance

Attributes

LabelTypeMultiplicityComment
efdmaxFloat1..1Field voltage clipping upper level limit (Efdmax) (> ExcSK.efdmin).
efdminFloat1..1Field voltage clipping lower level limit (Efdmin) (< ExcSK.efdmax).
emaxFloat1..1Maximum field voltage output (Emax) (> ExcSK.emin). Typical value = 20.
eminFloat1..1Minimum field voltage output (Emin) (< ExcSK.emax). Typical value = -20.
kFloat1..1Gain (K). Typical value = 1.
k1Float1..1Parameter of underexcitation limit (K1). Typical value = 0,1364.
k2Float1..1Parameter of underexcitation limit (K2). Typical value = -0,3861.
kcFloat1..1PI controller gain (Kc). Typical value = 70.
kceFloat1..1Rectifier regulation factor (Kce). Typical value = 0.
kdFloat1..1Exciter internal reactance (Kd). Typical value = 0.
kgobFloat1..1P controller gain (Kgob). Typical value = 10.
kpFloat1..1PI controller gain (Kp). Typical value = 1.
kqiFloat1..1PI controller gain of integral component (Kqi). Typical value = 0.
kqobFloat1..1Rate of rise of the reactive power (Kqob).
kqpFloat1..1PI controller gain (Kqp). Typical value = 0.
nqFloat1..1Deadband of reactive power (nq). Determines the range of sensitivity. Typical value = 0,001.
qconoffBoolean1..1Secondary voltage control state (Qc_on_off). true = secondary voltage control is on false = secondary voltage control is off. Typical value = false.
qzFloat1..1Desired value (setpoint) of reactive power, manual setting (Qz).
remoteBoolean1..1Selector to apply automatic calculation in secondary controller model (remote). true = automatic calculation is activated false = manual set is active; the use of desired value of reactive power (Qz) is required. Typical value = true.
sbaseFloat1..1Apparent power of the unit (Sbase) (> 0). Unit = MVA. Typical value = 259.
tcFloat1..1PI controller phase lead time constant (Tc) (>= 0). Typical value = 8.
teFloat1..1Time constant of gain block (Te) (>= 0). Typical value = 0,1.
tiFloat1..1PI controller phase lead time constant (Ti) (>= 0). Typical value = 2.
tpFloat1..1Time constant (Tp) (>= 0). Typical value = 0,1.
trFloat1..1Voltage transducer time constant (Tr) (>= 0). Typical value = 0,01.
uimaxFloat1..1Maximum error (UImax) (> ExcSK.uimin). Typical value = 10.
uiminFloat1..1Minimum error (UImin) (< ExcSK.uimax). Typical value = -10.
urmaxFloat1..1Maximum controller output (URmax) (> ExcSK.urmin). Typical value = 10.
urminFloat1..1Minimum controller output (URmin) (< ExcSK.urmax). Typical value = -10.
vtmaxFloat1..1Maximum terminal voltage input (Vtmax) (> ExcSK.vtmin). Determines the range of voltage deadband. Typical value = 1,05.
vtminFloat1..1Minimum terminal voltage input (Vtmin) (< ExcSK.vtmax). Determines the range of voltage deadband. Typical value = 0,95.
ypFloat1..1Maximum output (Yp). Typical value = 1.