Skip to content

ExcIEEEST4B

cim:ExcIEEEST4B

IEEE 421.5-2005 type ST4B model. This model is a variation of the type ST3A model, with a proportional plus integral (PI) regulator block replacing the lag-lead regulator characteristic that is in the ST3A model. Both potential and compound source rectifier excitation systems are modelled. The PI regulator blocks have non-windup limits that are represented. The voltage regulator of this model is typically implemented digitally. Reference: IEEE 421.5-2005, 7.4.

Inherits from: ExcitationSystemDynamics

Validations

kc

Rectifier loading factor proportional to commutating reactance (KC) (>= 0). Typical value = 0,113.

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

kg

Feedback gain constant of the inner loop field regulator (KG) (>= 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)

ki

Potential circuit gain coefficient (KI) (>= 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)

kp

Potential circuit gain coefficient (KP) (> 0). Typical value = 9,3.

  • 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 = 0,02.

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

vbmax

Maximum excitation voltage (VBMax) (> 0). Typical value = 11,63.

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

vmmin

Minimum inner loop output (VMMin) (< ExcIEEEST4B.vmmax). Typical value = -99.

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

vrmax

Maximum voltage regulator output (VRMAX) (> 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)

vrmin

Minimum voltage regulator output (VRMIN) (< 0). Typical value = -0,87.

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

xl

Reactance associated with potential source (XL) (>= 0). Typical value = 0,124.

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