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ExcIEEEAC3A

cim:ExcIEEEAC3A

IEEE 421.5-2005 type AC3A model. The model represents the field-controlled alternator-rectifier excitation systems designated type AC3A. These excitation systems include an alternator main exciter with non-controlled rectifiers. The exciter employs self-excitation, and the voltage regulator power is derived from the exciter output voltage. Therefore, this system has an additional nonlinearity, simulated by the use of a multiplier whose inputs are the voltage regulator command signal, Va, and the exciter output voltage, Efd, times KR. This model is applicable to excitation systems employing static voltage regulators. Reference: IEEE 421.5-2005, 6.3.

Inherits from: ExcitationSystemDynamics

Validations

efdn

Value of Efd at which feedback gain changes (EFDN) (> 0). Typical value = 2,36.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

ka

Voltage regulator gain (KA) (> 0). Typical value = 45,62.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

kc

Rectifier loading factor proportional to commutating reactance (KC) (>= 0). Typical value = 0,104.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

kd

Demagnetizing factor, a function of exciter alternator reactances (KD) (>= 0). Typical value = 0,499.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

kf

Excitation control system stabilizer gains (KF) (>= 0). Typical value = 0,143.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

kn

Excitation control system stabilizer gain (KN) (>= 0). Typical value = 0,05.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

kr

Constant associated with regulator and alternator field power supply (KR) (> 0). Typical value = 3,77.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

seve1

Exciter saturation function value at the corresponding exciter voltage, VE1, back of commutating reactance (SE[VE1]) (>= 0). Typical value = 1,143.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

seve2

Exciter saturation function value at the corresponding exciter voltage, VE2, back of commutating reactance (SE[VE2]) (>= 0). Typical value = 0,1.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

ta

Voltage regulator time constant (TA) (> 0). Typical value = 0,013.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

tb

Voltage regulator time constant (TB) (>= 0). Typical value = 0.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

tc

Voltage regulator time constant (TC) (>= 0). Typical value = 0.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

te

Exciter time constant, integration rate associated with exciter control (TE) (> 0). Typical value = 1,17.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

tf

Excitation control system stabilizer time constant (TF) (> 0). Typical value = 1.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

vamax

Maximum voltage regulator output (VAMAX) (> 0). Typical value = 1.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

vamin

Minimum voltage regulator output (VAMIN) (< 0). Typical value = -0,95.

  • Maximum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

ve1

Exciter alternator output voltages back of commutating reactance at which saturation is defined (VE1) (> 0). Typical value = 6,24.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

ve2

Exciter alternator output voltages back of commutating reactance at which saturation is defined (VE2) (> 0). Typical value = 4,68.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

vemin

Minimum exciter voltage output (VEMIN) (<= 0). Typical value = 0.

  • Maximum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)

vfemax

Exciter field current limit reference (VFEMAX) (>= 0). Typical value = 16.

  • Minimum Value: 0.0
  • Source: ENTSOE Application Profiles Library v1.1.0 (61970-302_Dynamics-AP-Con-Complex-SHACL_v3-0-0.ttl)