Description: "Package that contains the examples for balanced loads and step up transformer"

- Home > Modelica

## Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp

Package that contains the examples for balanced loads and step up transformer

### Information

This package contains examples for the IEEE 4 nodes test validation whith balanced load and step up in the voltage of the transformers.

Extends from Modelica.Icons.ExamplesPackage (Icon for packages containing runnable examples).

### Package Content

Name | Description
--- | ---
DD | IEEE 4 node test feeder model with balanced load and D - D connection (step up)
DY | IEEE 4 node test feeder model with balanced load and D - Y connection (step up)
YD | IEEE 4 node test feeder model with balanced load and Y - D connection (step up)
YY | IEEE 4 node test feeder model with balanced load and Y - Y connection (step up)

## Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DD

IEEE 4 node test feeder model with balanced load and D - D connection (step up)

### Information

IEEE 4 nodes validation test case with the following characteristics

- balanced load,
  - power consumption on each phase P1,2,3 = 1800 kW
  - power factor on each phase cosφ1,2,3 = 0.9
- voltage step-up transformer (VPri=12.47 kV, VSec = 24.9kV),
- D-D transformer

Extends from Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BaseClasses.IEEE4 (Base model of the IEEE 4 nodes test feeder).

### Parameters

Type | Name | Default | Description
--- | --- | --- | ---
Voltage | VLL_side1 | 12.47e3 | Voltage line to line side 1 [V]
Voltage | VLL_side2 | 24.9e3 | Voltage line to line side 2 [V]
ApparentPower | VARbase | 6000e3 | Base VA power of the transformer [VA]
Boolean | line1_use_Z_y | false | Choose between Zy or Zd impedance matrix for line 1
Boolean | line2_use_Z_y | false | Choose between Zy or Zd impedance matrix for line 2
Voltage | V2_ref[3] | {12361,12372,12348} | Reference RMS voltage node 2 - IEEE results [V]
Voltage | V3_ref[3] | {23723,23746,23698} | Reference RMS voltage node 3 - IEEE results [V]
Voltage | V4_ref[3] | {23657,23688,23625} | Reference RMS voltage node 4 - IEEE results [V]
Angle | Theta2_ref[3] | Modelica.Constants.pi/180.0*... | Reference voltage phase angle node 2 - IEEE results [rad]
Angle | Theta3_ref[3] | Modelica.Constants.pi/180.0*... | Reference voltage phase angle node 3 - IEEE results [rad]
Angle | Theta4_ref[3] | Modelica.Constants.pi/180.0*... | Reference voltage phase angle node 4 - IEEE results [rad]

### Modelica definition

model DD "IEEE 4 node test feeder model with balanced load and D - D connection (step up)" extends Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BaseClasses.IEEE4 ( final line1_use_Z_y=false, final line2_use_Z_y=false, redeclare Buildings.Electrical.AC.ThreePhasesUnbalanced.Sensors.ProbeDelta node1, redeclare Buildings.Electrical.AC.ThreePhasesUnbalanced.Sensors.ProbeDelta node2, redeclare Buildings.Electrical.AC.ThreePhasesUnbalanced.Sensors.ProbeDelta node3, redeclare Buildings.Electrical.AC.ThreePhasesUnbalanced.Sensors.ProbeDelta node4, final VLL_side1=12.47e3, final VLL_side2=24.9e3, final VARbase=6000e3, final V2_ref={12361,12372,12348}, final V3_ref={23723,23746,23698}, final V4_ref={23657,23688,23625}, final Theta2_ref=Modelica.Constants.pi/180.0*{29.7,-90.4,149.6}, final Theta3_ref=Modelica.Constants.pi/180.0*{26.7,-93.4,146.6}, final Theta4_ref=Modelica.Constants.pi/180.0*{26.6,-93.6,146.5}, loadRL(use_pf_in=false, loadConn=Buildings.Electrical.Types.LoadConnection.wye_to_delta)); Modelica.Blocks.Sources.Constant load(k=-1800e3); Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.ACACTransformerDD transformer( VHigh=VLL_side1, VLow=VLL_side2, XoverR=6, Zperc=sqrt(0.01^2 + 0.06^2), VABase=VARbase); equation connect(load.y, loadRL.Pow1); connect(load.y, loadRL.Pow2); connect(load.y, loadRL.Pow3); connect(line1.terminal_p, transformer.terminal_n); connect(transformer.terminal_p, line2.terminal_n); connect(node1.term, line1.terminal_n); connect(node2.term, transformer.terminal_n); connect(node3.term, line2.terminal_n); connect(node4.term, loadRL.terminal); end DD;

## Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.DY

IEEE 4 node test feeder model with balanced load and D - Y connection (step up)

### Information

IEEE 4 nodes validation test case with the following characteristics

- balanced load,
  - power consumption on each phase P1,2,3 = 1800 kW
  - power factor on each phase cosφ1,2,3 = 0.9
- voltage step-up transformer (VPri=12.47 kV, VSec = 24.9kV),
- D-Y transformer

Extends from Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BaseClasses.IEEE4 (Base model of the IEEE 4 nodes test feeder).

### Parameters

Type | Name | Default | Description
--- | --- | --- | ---
Voltage | VLL_side1 | 12.47e3 | Voltage line to line side 1 [V]
Voltage | VLL_side2 | 24.9e3 | Voltage line to line side 2 [V]
ApparentPower | VARbase | 6000e3 | Base VA power of the transformer [VA]
Boolean | line1_use_Z_y | false | Choose between Zy or Zd impedance matrix for line 1
Boolean | line2_use_Z_y | true | Choose between Zy or Zd impedance matrix for line 2
Voltage | V2_ref[3] | {12361,12372,12348} | Reference RMS voltage node 2 - IEEE results [V]
Voltage | V3_ref[3] | {13697,13710,13681} | Reference RMS voltage node 3 - IEEE results [V]
Voltage | V4_ref[3] | {13653,13678,13644} | Reference RMS voltage node 4 - IEEE results [V]
Angle | Theta2_ref[3] | Modelica.Constants.pi/180.0*... | Reference voltage phase angle node 2 - IEEE results [rad]
Angle | Theta3_ref[3] | Modelica.Constants.pi/180.0*... | Reference voltage phase angle node 3 - IEEE results [rad]
Angle | Theta4_ref[3] | Modelica.Constants.pi/180.0*... | Reference voltage phase angle node 4 - IEEE results [rad]

### Modelica definition

model DY "IEEE 4 node test feeder model with balanced load and D - Y connection (step up)" extends Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BaseClasses.IEEE4 ( final line1_use_Z_y=false, final line2_use_Z_y=true, redeclare Buildings.Electrical.AC.ThreePhasesUnbalanced.Sensors.ProbeDelta node1, redeclare Buildings.Electrical.AC.ThreePhasesUnbalanced.Sensors.ProbeDelta node2, redeclare Buildings.Electrical.AC.ThreePhasesUnbalanced.Sensors.ProbeWye node3, redeclare Buildings.Electrical.AC.ThreePhasesUnbalanced.Sensors.ProbeWye node4, final VLL_side1=12.47e3, final VLL_side2=24.9e3, final VARbase=6000e3, final V2_ref={12361,12372,12348}, final V3_ref={13697,13710,13681}, final V4_ref={13653,13678,13644}, final Theta2_ref=Modelica.Constants.pi/180.0*{29.7,-90.4,149.6}, final Theta3_ref=Modelica.Constants.pi/180.0*{26.7,-93.4,146.6}, final Theta4_ref=Modelica.Constants.pi/180.0*{26.6,-93.5,146.5}, loadRL(use_pf_in=false)); Modelica.Blocks.Sources.Constant load(k=-1800e3); Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.ACACTransformerStepUpDY transformer( VHigh=VLL_side1, VLow=VLL_side2, XoverR=6, Zperc=sqrt(0.01^2 + 0.06^2), VABase=VARbase); equation connect(load.y, loadRL.Pow1); connect(load.y, loadRL.Pow2); connect(load.y, loadRL.Pow3); connect(line1.terminal_p, transformer.terminal_n); connect(transformer.terminal_p, line2.terminal_n); connect(node1.term, line1.terminal_n); connect(node2.term, transformer.terminal_n); connect(node3.term, line2.terminal_n); connect(node4.term, loadRL.terminal); end DY;

## Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YD

IEEE 4 node test feeder model with balanced load and Y - D connection (step up)

### Information

IEEE 4 nodes validation test case with the following characteristics

- balanced load,
  - power consumption on each phase P1,2,3 = 1800 kW
  - power factor on each phase cosφ1,2,3 = 0.9
- voltage step-up transformer (VPri=12.47 kV, VSec = 24.9kV),
- Y-D transformer

Extends from Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BaseClasses.IEEE4 (Base model of the IEEE 4 nodes test feeder).

### Parameters

Type | Name | Default | Description
--- | --- | --- | ---
Voltage | VLL_side1 | 12.47e3 | Voltage line to line side 1 [V]
Voltage | VLL_side2 | 24.9e3 | Voltage line to line side 2 [V]
ApparentPower | VARbase | 6000e3 | Base VA power of the transformer [VA]
Boolean | line1_use_Z_y | true | Choose between Zy or Zd impedance matrix for line 1
Boolean | line2_use_Z_y | false | Choose between Zy or Zd impedance matrix for line 2
Voltage | V2_ref[3] | {7128,7145,7137} | Reference RMS voltage node 2 - IEEE results [V]
Voltage | V3_ref[3] | {23746,23722,23698} | Reference RMS voltage node 3 - IEEE results [V]
Voltage | V4_ref[3] | {23680,23663,23625} | Reference RMS voltage node 4 - IEEE results [V]
Angle | Theta2_ref[3] | Modelica.Constants.pi/180.0*... | Reference voltage phase angle node 2 - IEEE results [rad]
Angle | Theta3_ref[3] | Modelica.Constants.pi/180.0*... | Reference voltage phase angle node 3 - IEEE results [rad]
Angle | Theta4_ref[3] | Modelica.Constants.pi/180.0*... | Reference voltage phase angle node 4 - IEEE results [rad]

### Modelica definition

model YD "IEEE 4 node test feeder model with balanced load and Y - D connection (step up)" extends Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BaseClasses.IEEE4 ( final line1_use_Z_y=true, final line2_use_Z_y=false, redeclare Buildings.Electrical.AC.ThreePhasesUnbalanced.Sensors.ProbeWye node1, redeclare Buildings.Electrical.AC.ThreePhasesUnbalanced.Sensors.ProbeWye node2, redeclare Buildings.Electrical.AC.ThreePhasesUnbalanced.Sensors.ProbeDelta node3, redeclare Buildings.Electrical.AC.ThreePhasesUnbalanced.Sensors.ProbeDelta node4, final VLL_side1=12.47e3, final VLL_side2=24.9e3, final VARbase=6000e3, final V2_ref={7128,7145,7137}, final V3_ref={23746,23722,23698}, final V4_ref={23680,23663,23625}, final Theta2_ref=Modelica.Constants.pi/180.0*{-0.3,-120.3,119.6}, final Theta3_ref=Modelica.Constants.pi/180.0*{56.7,-63.4,176.7}, final Theta4_ref=Modelica.Constants.pi/180.0*{56.6,-63.6,176.5}, loadRL(use_pf_in=false, loadConn=Buildings.Electrical.Types.LoadConnection.wye_to_delta)); Modelica.Blocks.Sources.Constant load(k=-1800e3); Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.ACACTransformerStepUpYD transformer( VHigh=VLL_side1, VLow=VLL_side2, XoverR=6, Zperc=sqrt(0.01^2 + 0.06^2), VABase=VARbase); equation connect(load.y, loadRL.Pow1); connect(load.y, loadRL.Pow2); connect(load.y, loadRL.Pow3); connect(line1.terminal_p, transformer.terminal_n); connect(transformer.terminal_p, line2.terminal_n); connect(node1.term, line1.terminal_n); connect(node2.term, transformer.terminal_n); connect(node3.term, line2.terminal_n); connect(node4.term, loadRL.terminal); end YD;

## Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BalancedStepUp.YY

IEEE 4 node test feeder model with balanced load and Y - Y connection (step up)

### Information

IEEE 4 nodes validation test case with the following characteristics

- balanced load,
  - power consumption on each phase P1,2,3 = 1800 kW
  - power factor on each phase cosφ1,2,3 = 0.9
- voltage step-up transformer (VPri=12.47 kV, VSec = 24.9kV),
- Y-Y transformer

Extends from Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BaseClasses.IEEE4 (Base model of the IEEE 4 nodes test feeder).

### Parameters

Type | Name | Default | Description
--- | --- | --- | ---
Voltage | VLL_side1 | 12.47e3 | Voltage line to line side 1 [V]
Voltage | VLL_side2 | 24.9e3 | Voltage line to line side 2 [V]
ApparentPower | VARbase | 6000e3 | Base VA power of the transformer [VA]
Boolean | line1_use_Z_y | true | Choose between Zy or Zd impedance matrix for line 1
Boolean | line2_use_Z_y | true | Choose between Zy or Zd impedance matrix for line 2
Voltage | V2_ref[3] | {7126,7145,7137} | Reference RMS voltage node 2 - IEEE results [V]
Voltage | V3_ref[3] | {13675,13715,13698} | Reference RMS voltage node 3 - IEEE results [V]
Voltage | V4_ref[3] | {13631,13682,13661} | Reference RMS voltage node 4 - IEEE results [V]
Angle | Theta2_ref[3] | Modelica.Constants.pi/180.0*... | Reference voltage phase angle node 2 - IEEE results [rad]
Angle | Theta3_ref[3] | Modelica.Constants.pi/180.0*... | Reference voltage phase angle node 3 - IEEE results [rad]
Angle | Theta4_ref[3] | Modelica.Constants.pi/180.0*... | Reference voltage phase angle node 4 - IEEE results [rad]

### Modelica definition

model YY "IEEE 4 node test feeder model with balanced load and Y - Y connection (step up)" extends Buildings.Electrical.AC.ThreePhasesUnbalanced.Validation.IEEETests.Test4NodesFeeder.BaseClasses.IEEE4 ( final line1_use_Z_y=true, final line2_use_Z_y=true, redeclare Buildings.Electrical.AC.ThreePhasesUnbalanced.Sensors.ProbeWye node1, redeclare Buildings.Electrical.AC.ThreePhasesUnbalanced.Sensors.ProbeWye node2, redeclare Buildings.Electrical.AC.ThreePhasesUnbalanced.Sensors.ProbeWye node3, redeclare Buildings.Electrical.AC.ThreePhasesUnbalanced.Sensors.ProbeWye node4, final VLL_side1=12.47e3, final VLL_side2=24.9e3, final VARbase=6000e3, final V2_ref={7126,7145,7137}, final V3_ref={13675,13715,13698}, final V4_ref={13631,13682,13661}, final Theta2_ref=Modelica.Constants.pi/180.0*{-0.3,-120.4,119.6}, final Theta3_ref=Modelica.Constants.pi/180.0*{-3.3,-123.4,116.6}, final Theta4_ref=Modelica.Constants.pi/180.0*{-3.5,-123.5,116.5}, loadRL(use_pf_in=false)); Modelica.Blocks.Sources.Constant load(k=-1800e3); Buildings.Electrical.AC.ThreePhasesUnbalanced.Conversion.ACACTransformer transformer( VHigh=VLL_side1, VLow=VLL_side2, XoverR=6, Zperc=sqrt(0.01^2 + 0.06^2), VABase=VARbase); equation connect(load.y, loadRL.Pow1); connect(load.y, loadRL.Pow2); connect(load.y, loadRL.Pow3); connect(line1.terminal_p, transformer.terminal_n); connect(transformer.terminal_p, line2.terminal_n); connect(node1.term, source.terminal); connect(node2.term, transformer.terminal_n); connect(node3.term, line2.terminal_n); connect(node4.term, loadRL.terminal); end YY;