quickfield simulation report · line-to-line short circuit determination of the transient currents...
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QuickField simulation report
Line-to-line short circuit
Determination of the transient currents andelectromagnetic forces after a short circuit occurred
This automatically generated document consists of severalsections, which specify the problem setup and finite elementanalysis simulation results. Navigation links in the top of eachpage lead to corresponding sections of this report.
Problem description and QuickField simulation files:https://quickfield.com/advanced/line_to_line_short.htm
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Problem info Problem type: Transient Magnetics (integration time:
1.05999994277954 s.)
Geometry model class: Plane-Parallel
Problem database file names:
Problem: LtoLshort.pbm
Geometry: Ltolshort.mod
Material Data: Ltolshort.dms
Material Data 2 (library): none
Electric circuit: LtoLshort.qcr
Results taken from other problems:
none
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Geometry model
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Table 1. Geometry model statistics
With Label Total
Blocks 8 9
Edges 2 27
Vertices 0 26
Number of nodes: 17683.
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Electric circuit Coupled electric circuit
Circuit elements:
Voltage source Ua=110000*sqrt(2/3)*sin(360*50*t) [V]
Voltage source Ub=110000*sqrt(2/3)*sin(360*50*t+120)
[V]
Voltage source Uc=110000*sqrt(2/3)*sin(360*50*t+240)
[V]
QuickField block 'ph A (Al)'
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
QuickField block 'ph A (Fe)'
QuickField block 'ph B (Al)'
QuickField block 'ph B (Fe)'
QuickField block 'ph C (Al)'
QuickField block 'ph C (Fe)'
Resistor R1=100 [Ohm]
Resistor R2=100 [Ohm]
Resistor R3=100 [Ohm]
Inductor L1=0.23 [H]
Inductor L2=0.23 [H]
Inductor L3=0.23 [H]
Resistor R4=4 [Ohm]
QuickField block 'short-cir bridge'
Resistor ra=1 [Ohm]
Resistor rb=1 [Ohm]
Resistor rc=1 [Ohm]
Inductor La=0.01 [H]
Inductor Lb=0.01 [H]
Inductor Lc=0.01 [H]
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Labelled objects There are following labelled objects in the geometry model
(Material Data file could contain more labels, but only
those labels that assigned to geometric objects are listed)
Blocks:
short-cir bridge
air
ph B (Al)
ph C (Al)
ph C (Fe)
ph A (Al)
ph B (Fe)
ph A (Fe)
Edges:
ground
zero potencial
Vertices:
Detailed information about each label is listed below.
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Labelled objects: block "short-cir bridge" There are (1) objects with this label
Relative magnetic permeability: mu_x=1, mu_y=1
Electric conductivity: sigma(T)=nonlinear (see Table 2 in
the "Nonlinear dependencies" section)
Electric conductivity reference temperature: T=t-1,K [K]
Voltage: U=0 [V]
Conductor's connection: in parallel
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Labelled objects: block "air" There are (2) objects with this label
Relative magnetic permeability: mu_x=1, mu_y=1
Current density: j=0 [A/m2]
Conductor's connection: in parallel
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Labelled objects: block "ph B (Al)" There are (1) objects with this label
Relative magnetic permeability: mu_x=1, mu_y=1
Electric conductivity: sigma(T)=33500000 [S/m]
Voltage: U=0 [V]
Conductor's connection: in parallel
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Labelled objects: block "ph C (Al)" There are (1) objects with this label
Relative magnetic permeability: mu_x=1, mu_y=1
Electric conductivity: sigma(T)=33500000 [S/m]
Voltage: U=0 [V]
Conductor's connection: in parallel
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Labelled objects: block "ph C (Fe)" There are (1) objects with this label
Relative magnetic permeability: mu_x=1, mu_y=1
Electric conductivity: sigma(T)=7700000 [S/m]
Voltage: U=0 [V]
Conductor's connection: in parallel
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Labelled objects: block "ph A (Al)" There are (1) objects with this label
Relative magnetic permeability: mu_x=1, mu_y=1
Electric conductivity: sigma(T)=33500000 [S/m]
Voltage: U=0 [V]
Conductor's connection: in parallel
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Labelled objects: block "ph B (Fe)" There are (1) objects with this label
Relative magnetic permeability: mu_x=1, mu_y=1
Electric conductivity: sigma(T)=7700000 [S/m]
Voltage: U=0 [V]
Conductor's connection: in parallel
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Labelled objects: block "ph A (Fe)" There are (1) objects with this label
Relative magnetic permeability: mu_x=1, mu_y=1
Electric conductivity: sigma(T)=7700000 [S/m]
Voltage: U=0 [V]
Conductor's connection: in parallel
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Labelled objects: edge "ground" There are (2) objects with this label
Magnetic potential: A=0 [Wb/m]
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Labelled objects: edge "zero potencial" There are (3) objects with this label
Magnetic potential: A=0 [Wb/m]
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Results Field lines
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Results Electric circuit currents
Circuit elements:
Ua. I=4621 [A]
Ub. I=4883 [A]
Uc. I=281.46 [A]
ph A (Al). I=4513 [A]
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
ph A (Fe). I=107.67 [A]
ph B (Al). I=4771 [A]
ph B (Fe). I=112.73 [A]
ph C (Al). I=275.93 [A]
ph C (Fe). I=5.535 [A]
R1. I=23.508 [A]
R2. I=238.99 [A]
R3. I=281.46 [A]
L1. I=23.508 [A]
L2. I=238.99 [A]
L3. I=281.46 [A]
R4. I=18.965 [A]
short-cir bridge. I=4640 [A]
ra. I=4621 [A]
rb. I=4883 [A]
rc. I=281.46 [A]
La. I=4621 [A]
Lb. I=4883 [A]
Lc. I=281.46 [A]
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Results Color map of Strength |H| [A/m]
232000
208800
185600
162400
139200
116000
92800
69600
46400
23200
0
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies
Nonlinear dependencies
Table 2. Electric conductivity
T [K] sigma [S/m]
-1.31 0.1
-0.31 1
-0.21 1.5
-0.11 2
-0.06 2.5
-0.05 3
-0.04 3.25
-0.03 3.375
-0.025 3.377
-0.024 3.378
-0.023 3.378
-0.022 3.379
-0.021 3.379
-0.0205 3.379
-0.02 3.38
-0.0195 3.385
-0.01925 3.388
-0.0191 3.388
-0.019 3.39
0 12300000000
0.04 12300000000
0.06 12300000000
0.07 12300000000
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Problem info Geometry model Labelled Objects Results Nonlinear dependencies