📄 imeqvecpwm1.mdl
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}
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MaskIconUnits "autoscale"
MaskValueString "0.3|1e-5"
Port {
PortNumber 1
Name "wm"
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RTWStorageClass "Auto"
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Gain "Bm"
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Block {
BlockType Sum
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IconShape "round"
Inputs "-+-"
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Block {
BlockType Outport
Name "wm"
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Line {
SrcBlock "1/2H"
SrcPort 1
DstBlock "Integrator"
DstPort 1
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Line {
SrcBlock "Sum"
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Block {
BlockType Mux
Name "Mux"
Ports [3, 1]
Position [625, 319, 630, 381]
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Inputs "3"
DisplayOption "bar"
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Block {
BlockType Mux
Name "Mux6"
Ports [2, 1]
Position [730, 31, 735, 84]
ShowName off
Inputs "2"
DisplayOption "bar"
}
Block {
BlockType Mux
Name "Mux7"
Ports [2, 1]
Position [750, 281, 755, 334]
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Inputs "2"
DisplayOption "bar"
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Block {
BlockType Step
Name "Step load pu"
Position [570, 30, 600, 60]
ForegroundColor "red"
Time "1.7"
SampleTime "0"
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Block {
BlockType Step
Name "amplitude"
Position [20, 120, 50, 150]
ForegroundColor "red"
Time "1.4"
Before "1"
After "5/6"
SampleTime "0"
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List {
ListType AxesTitles
axes1 "Stator current"
}
List {
ListType SelectedSignals
axes1 ""
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TimeRange "2"
YMin "-6"
YMax "10"
DataFormat "StructureWithTime"
MaxDataPoints "25000"
Decimation "20"
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Block {
BlockType Step
Name "frequency"
Position [15, 200, 45, 230]
ForegroundColor "red"
Time "1.4"
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After "5/6"
SampleTime "0"
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PortNumber 1
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Block {
BlockType Fcn
Name "ias"
Position [655, 335, 695, 365]
Expr "u(1)*cos(u(3))-u(2)*sin(u(3))"
Port {
PortNumber 1
Name "ias"
TestPoint off
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LinearAnalysisInput off
RTWStorageClass "Auto"
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MaskDisplay "plot(-1.5,-1.5,1.5,1.5,cos(0:.01:7),sin(0:.01:7"
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PaperUnits "inches"
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Annotation {
Name " This demo deals with the open-loop operati"
"on of an induction motor that is excited by means \nof a sinusoidal PWM inver"
"ter and reproduces the conditions encountered in the simulation\nentitled 'i"
"m3frames.mdl' which involves a pure 3-phase sinusoidal excitation. Except for"
" the\nappearance of the high frequency components, the transient characterist"
"ics are almost iden-\ntical . The filtering action of inertia produces the sa"
"me speed versus time curves. The main\ndifference in the two simulations is t"
"hat the presence a triangular carrier at 5KHz necessitates\nthe use of a very"
" small integration time step of a few microseconds."
Position [15, 55]
HorizontalAlignment "left"
VerticalAlignment "top"
FontName "Arial"
FontSize 12
}
Annotation {
Name "Starting of an Induction Motor at no Load\n"
"under Sinusoidal PWM Excitation "
Position [249, 27]
ForegroundColor "blue"
FontSize 12
FontWeight "bold"
}
}
}
Block {
BlockType Fcn
Name "mag"
Position [650, 239, 690, 271]
Expr "sqrt(u(1)^2+u(2)^2)"
Port {
PortNumber 1
Name "Is_mag"
TestPoint off
LinearAnalysisOutput off
LinearAnalysisInput off
RTWStorageClass "Auto"
DataLogging off
DataLoggingNameMode "SignalName"
DataLoggingDecimateData off
DataLoggingDecimation "2"
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DataLoggingMaxPoints "5000"
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Block {
BlockType SubSystem
Name "pwm excitation"
Ports [2, 1]
Position [240, 109, 360, 211]
ForegroundColor "green"
ShowName off
TreatAsAtomicUnit off
MaskDisplay "disp('PWM\\nEXCTATION') "
MaskIconFrame on
MaskIconOpaque off
MaskIconRotate "none"
MaskIconUnits "autoscale"
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Name "pwm excitation"
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Name "vs"
Position [25, 108, 55, 122]
NamePlacement "alternate"
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Block {
BlockType Inport
Name "thetas"
Position [25, 128, 55, 142]
Port "2"
Port {
PortNumber 1
Name "thetas"
PropagatedSignals "thetas"
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LinearAnalysisOutput off
LinearAnalysisInput off
RTWStorageClass "Auto"
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DataLoggingNameMode "SignalName"
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DataLoggingDecimation "2"
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DataLoggingMaxPoints "5000"
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Name "\n"
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Position [370, 30, 395, 70]
Location [497, 61, 998, 403]
Open off
NumInputPorts "1"
ZoomMode "yonly"
List {
ListType AxesTitles
axes1 "%<SignalLabel>"
}
TimeRange "0.02"
YMin "-1.5"
YMax "1.5"
DataFormat "StructureWithTime"
}
Block {
BlockType Scope
Name "A\n component"
Ports [1]
Position [270, 29, 300, 61]
NamePlacement "alternate"
Location [20, 60, 491, 407]
Open off
NumInputPorts "1"
List {
ListType AxesTitles
axes1 "%<SignalLabel>"
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TimeRange "0.02"
YMin "-1"
YMax "1"
DataFormat "StructureWithTime"
}
Block {
BlockType Fcn
Name "Fcn"
Position [125, 75, 185, 105]
ShowName off
Expr "u(1)*cos(u(2))"
}
Block {
BlockType Fcn
Name "Fcn1"
Position [125, 110, 185, 140]
ShowName off
Expr "u(1)*cos(u(2)-2*pi/3)"
}
Block {
BlockType Fcn
Name "Fcn2"
Position [125, 145, 185, 175]
ShowName off
Expr "u(1)*cos(u(2)+2*pi/3)"
}
Block {
BlockType Mux
Name "Mux3"
Ports [2, 1]
Position [90, 105, 95, 145]
ShowName off
Inputs "2"
DisplayOption "bar"
}
Block {
BlockType Mux
Name "Mux4"
Ports [3, 1]
Position [225, 70, 230, 180]
BackgroundColor "black"
ShowName off
Inputs "3"
DisplayOption "bar"
}
Block {
BlockType SubSystem
Name "ab2dq"
Ports [2, 1]
Position [375, 131, 435, 184]
TreatAsAtomicUnit off
Port {
PortNumber 1
Name "dq"
PropagatedSignals ", "
TestPoint off
LinearAnalysisOutput off
LinearAnalysisInput off
RTWStorageClass "Auto"
DataLogging off
DataLoggingNameMode "SignalName"
DataLoggingDecimateData off
DataLoggingDecimation "2"
DataLoggingLimitDataPoints off
DataLoggingMaxPoints "5000"
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Name "ab"
Position [20, 77, 50, 93]
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Block {
BlockType Inport
Name "thetak"
Position [20, 112, 50, 128]
Port "2"
}
Block {
BlockType Fcn
Name "Fcn"
Position [150, 18, 280, 62]
ShowName off
Expr "u(1)*cos(u(3))+u(2)*sin(u(3))"
}
Block {
BlockType Fcn
Name "Fcn1"
Position [150, 186, 285, 224]
ShowName off
Expr "-u(1)*sin(u(3))+u(2)*cos(u(3))"
}
Block {
BlockType Mux
Name "Mux3"
Ports [2, 1]
Position [125, 12, 130, 63]
ShowName off
Inputs "2"
DisplayOption "bar"
}
Block {
BlockType Mux
Name "Mux4"
Ports [2, 1]
Position [125, 177, 130, 228]
ShowName off
Inputs "2"
DisplayOption "bar"
}
Block {
BlockType Mux
Name "Mux5"
Ports [2, 1]
Position [320, 106, 325, 139]
ShowName off
Inputs "2"
DisplayOption "bar"
}
Block {
BlockType Outport
Name "dq"
Position [350, 118, 380, 132]
}
Line {
SrcBlock "Mux3"
SrcPort 1
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