modelTrafoSat

Saturation transformer, 1-phase

Extends from Partials.TrafoSatBase (Base for saturation transformer, 1-phase).

Information

Stray-impedance and resistance, with non-ideal magnetic coupling, i.e. non-zero magnetisation current, eddy current losses and saturation.

SI-input: values for stray and coupling impedances winding dependent.

  r[k] = R[k]
  x[k] = omega_nom*L[k]
  redc = Redc
  xm   = omega_nom*Lm
  xm_sat = omega_nom*Lm_sat,  saturation value of inductance
  psi_sat, pu saturation value of flux (no SI-value!)

pu-input: values for stray and coupling impedances winding-reduced to primary side.

  r[k] = R[k]/R_nom[k]
  x[k] = omega_nom*L[k]/R_nom[k]
  redc = Redc/sqrt(R_nom[1]*R_nom[2])
  xm = omega_nom*Lm/sqrt(R_nom[1]*R_nom[2])
  xm_sat = omega_nom*Lm_sat/sqrt(R_nom[1]*R_nom[2]),  saturation value of inductance
  psi_sat, pu saturation value of flux

with

  R_nom[k] = V_nom[k]^2/S_nom,  k = 1(primary), 2(secondary)

Parameters

TypeNameDefaultDescription
Datapar (from TrafoIdealBase)trafo parameter record
Initialization
Types.DynamicsdynType (from TrafoIdealBase)system.dynTypetransient or steady-state model
PS.Currenti1_start (from TrafoIdealBase)0start value of primary current
PS.Currenti2_start (from TrafoIdealBase)i1_startstart value of secondary current
Options
Booleanuse_tap_1_in (from TrafoIdealBase)false= true to enable input tap_1_in
Integertap_1 (from TrafoIdealBase)par.tap_neutral[1]fixed tap_1 position
Booleanuse_tap_2_in (from TrafoIdealBase)false= true to enable input tap_2_in
Integertap_2 (from TrafoIdealBase)par.tap_neutral[2]fixed tap_2 position
BooleandynTC (from TrafoIdealBase)falseenable dynamic tap-changing

Connectors

TypeNameDefaultDescription
Ports.TwoPin_pterm_p (from Port_p_n)positive terminal
Ports.TwoPin_nterm_n (from Port_p_n)negative terminal
Modelica.Blocks.Interfaces.IntegerInputtap_1_in (from TrafoIdealBase)1: index of voltage level
Modelica.Blocks.Interfaces.IntegerInputtap_2_in (from TrafoIdealBase)2: index of voltage level

Components

TypeNameDefaultDescription
PS.Voltagev1 (from PortTrafo_p_n)voltage 1
PS.Currenti1 (from PortTrafo_p_n)current 1
PS.Voltagev2 (from PortTrafo_p_n)voltage 2
PS.Currenti2 (from PortTrafo_p_n)current 2
PS.Voltagev0
PS.Currentimag
PS.Currentiedc

Contents

NameDescription
der_satprotected