Package that contains the examples for unbalanced loads and step up transformer
Information
This package contains examples for the IEEE 4 nodes test validation
whith unbalanced 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 unbalanced load and D - D connection (step up) |
DY
|
IEEE 4 node test feeder model with unbalanced load and D - Y connection (step up) |
YD
|
IEEE 4 node test feeder model with unbalanced load and Y - D connection (step up) |
YY
|
IEEE 4 node test feeder model with unbalanced load and Y - Y connection (step up) |
IEEE 4 node test feeder model with unbalanced load and D - D connection (step up)
Information
IEEE 4 nodes validation test case with the following characteristics
- balanced load,
- power consumption on phases P1 = 2375 kW,
P2 = 1800 kW, and P3 = 1275 kW
- power factor on phases cosφ1 = 0.85,
cosφ2 = 0.9, and cosφ3 = 0.95
- 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] | {12362,12392,12334} | Reference RMS voltage node 2 - IEEE results [V] |
Voltage | V3_ref[3] | {23675,24060,23573} | Reference RMS voltage node 3 - IEEE results [V] |
Voltage | V4_ref[3] | {23610,24015,23492} | 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 unbalanced 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={12362,12392,12334},
final V3_ref={23675,24060,23573},
final V4_ref={23610,24015,23492},
final Theta2_ref=Modelica.Constants.pi/180.0*{29.8,-90.4,149.5},
final Theta3_ref=Modelica.Constants.pi/180.0*{27.2,-93.6,146.0},
final Theta4_ref=Modelica.Constants.pi/180.0*{27.2,-93.7,145.9},
loadRL(loadConn=Buildings.Electrical.Types.LoadConnection.wye_to_delta,
use_pf_in=true));
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);
Modelica.Blocks.Sources.Constant load3(k=-2375e3);
Modelica.Blocks.Sources.Constant load2(k=-1800e3);
Modelica.Blocks.Sources.Constant load1(k=-1275e3);
Modelica.Blocks.Sources.Constant pf1(k=0.85);
Modelica.Blocks.Sources.Constant pf2(k=0.9);
Modelica.Blocks.Sources.Constant pf3(k=0.95);
equation
connect(line1.terminal_p, transformer.terminal_n);
connect(transformer.terminal_p, line2.terminal_n);
connect(load1.y, loadRL.Pow1);
connect(load2.y, loadRL.Pow2);
connect(load3.y, loadRL.Pow3);
connect(pf1.y, loadRL.pf_in_1);
connect(pf2.y, loadRL.pf_in_2);
connect(pf3.y, loadRL.pf_in_3);
connect(node1.term, source.terminal);
connect(node2.term, transformer.terminal_n);
connect(node3.term, line2.terminal_n);
connect(node4.term, loadRL.terminal);
end DD;
IEEE 4 node test feeder model with unbalanced load and D - Y connection (step up)
Information
IEEE 4 nodes validation test case with the following characteristics
- balanced load,
- power consumption on phases P1 = 2375 kW,
P2 = 1800 kW, and P3 = 1275 kW
- power factor on phases cosφ1 = 0.85,
cosφ2 = 0.9, and cosφ3 = 0.95
- 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] | {12364,12391,12333} | Reference RMS voltage node 2 - IEEE results [V] |
Voltage | V3_ref[3] | {13792,13733,13641} | Reference RMS voltage node 3 - IEEE results [V] |
Voltage | V4_ref[3] | {13768,13684,13600} | 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 unbalanced 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={12364,12391,12333},
final V3_ref={13792,13733,13641},
final V4_ref={13768,13684,13600},
final Theta2_ref=Modelica.Constants.pi/180.0*{29.8,-90.5,149.6},
final Theta3_ref=Modelica.Constants.pi/180.0*{27.7,-93.5,145.4},
final Theta4_ref=Modelica.Constants.pi/180.0*{27.7,-93.6,145.2},
loadRL(use_pf_in=true));
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);
Modelica.Blocks.Sources.Constant load3(k=-2375e3);
Modelica.Blocks.Sources.Constant load2(k=-1800e3);
Modelica.Blocks.Sources.Constant pf1(k=0.85);
Modelica.Blocks.Sources.Constant pf2(k=0.9);
Modelica.Blocks.Sources.Constant pf3(k=0.95);
Modelica.Blocks.Sources.Constant load1(k=-1275e3);
equation
connect(line1.terminal_p, transformer.terminal_n);
connect(transformer.terminal_p, line2.terminal_n);
connect(pf1.y, loadRL.pf_in_1);
connect(pf2.y, loadRL.pf_in_2);
connect(pf3.y, loadRL.pf_in_3);
connect(load2.y, loadRL.Pow2);
connect(load3.y, loadRL.Pow3);
connect(load1.y, loadRL.Pow1);
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;
IEEE 4 node test feeder model with unbalanced load and Y - D connection (step up)
Information
IEEE 4 nodes validation test case with the following characteristics
- balanced load,
- power consumption on phases P1 = 2375 kW,
P2 = 1800 kW, and P3 = 1275 kW
- power factor on phases cosφ1 = 0.85,
cosφ2 = 0.9, and cosφ3 = 0.95
- 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] | {7121,7147,7150} | Reference RMS voltage node 2 - IEEE results [V] |
Voltage | V3_ref[3] | {23703,24040,23576} | Reference RMS voltage node 3 - IEEE results [V] |
Voltage | V4_ref[3] | {23637,23995,23496} | 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 unbalanced 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={7121,7147,7150},
final V3_ref={23703,24040,23576},
final V4_ref={23637,23995,23496},
final Theta2_ref=Modelica.Constants.pi/180.0*{-0.4,-120.3,119.5},
final Theta3_ref=Modelica.Constants.pi/180.0*{57.2,-63.6,176.1},
final Theta4_ref=Modelica.Constants.pi/180.0*{57.1,-63.8,175.9},
loadRL(loadConn=Buildings.Electrical.Types.LoadConnection.wye_to_delta,
use_pf_in=true));
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);
Modelica.Blocks.Sources.Constant load3(k=-2375e3);
Modelica.Blocks.Sources.Constant load2(k=-1800e3);
Modelica.Blocks.Sources.Constant load1(k=-1275e3);
Modelica.Blocks.Sources.Constant pf1(k=0.85);
Modelica.Blocks.Sources.Constant pf2(k=0.9);
Modelica.Blocks.Sources.Constant pf3(k=0.95);
equation
connect(line1.terminal_p, transformer.terminal_n);
connect(transformer.terminal_p, line2.terminal_n);
connect(load2.y, loadRL.Pow2);
connect(load3.y, loadRL.Pow3);
connect(load1.y, loadRL.Pow1);
connect(pf1.y, loadRL.pf_in_1);
connect(pf2.y, loadRL.pf_in_2);
connect(pf3.y, loadRL.pf_in_3);
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;
IEEE 4 node test feeder model with unbalanced load and Y - Y connection (step up)
Information
IEEE 4 nodes validation test case with the following characteristics
- balanced load,
- power consumption on phases P1 = 2375 kW,
P2 = 1800 kW, and P3 = 1275 kW
- power factor on phases cosφ1 = 0.85,
cosφ2 = 0.9, and cosφ3 = 0.95
- 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] | {7161,7120,7128} | Reference RMS voltage node 2 - IEEE results [V] |
Voltage | V3_ref[3] | {13839,13663,13655} | Reference RMS voltage node 3 - IEEE results [V] |
Voltage | V4_ref[3] | {13815,13614,13615} | 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 unbalanced 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={7161,7120,7128},
final V3_ref={13839,13663,13655},
final V4_ref={13815,13614,13615},
final Theta2_ref=Modelica.Constants.pi/180.0*{-0.1,-120.3,119.3},
final Theta3_ref=Modelica.Constants.pi/180.0*{-2.1,-123.3,115.1},
final Theta4_ref=Modelica.Constants.pi/180.0*{-2.2,-123.4,114.9},
loadRL(use_pf_in=true));
Modelica.Blocks.Sources.Constant load2(k=-1800e3);
Modelica.Blocks.Sources.Constant load3(k=-2375e3);
Modelica.Blocks.Sources.Constant load1(k=-1275e3);
Modelica.Blocks.Sources.Constant pf1(k=0.85);
Modelica.Blocks.Sources.Constant pf2(k=0.9);
Modelica.Blocks.Sources.Constant pf3(k=0.95);
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(load2.y, loadRL.Pow2);
connect(load3.y, loadRL.Pow3);
connect(load1.y, loadRL.Pow1);
connect(pf1.y, loadRL.pf_in_1);
connect(pf2.y, loadRL.pf_in_2);
connect(pf3.y, loadRL.pf_in_3);
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 YY;
Automatically generated Mon May 4 10:19:49 2015.