, Sample Time -1 (for inherited), .. . , Enable zero crossing detection .
Constant . :
1. Constant value . , , .
2. Sample Time Inf .
Gain . :
1. Gain . , , 1. , , , (boolean). double.
2. Multiplication . ( ):
Element-wise K*u : .
Matrix K*u : u K , .
Matrix u*K , u K , .
3. Saturate on integer overflow . .
, , (boolean). . , . Gain : , , ; , Simulink . , , . , , (uint8), Gain .
Hit Crossing , . . :
1. Hit crossing offset , .
2. Hit crossing direction :
|
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rising ;
failing ;
either .
3. Show output port . , , .
In Out . :
1. Port number ;
2. Icon display :
Signal name ;
Port number ;
Port number and Signal name .
Switch ( ) ( ). :
1. Threshold .
2. Criteria for passing first input () :
u2>=Threshold ;
u2>Threshold ;
u2~=0 ;
: , , , . , .
Integrator . :
1. External reset . , . :
none ( );
rising ( );
falling ( );
either ;
level ( ).
- ( none), , . .
2. Initial condition source :
internal ;
external . , x0, , .
3. Initial condition . . , .
4. Limit output .
5. Upper saturation limit . , inf, +∞.
6. Lower saturation limit . , -inf, -∞.
7. Show saturation port , , :
0, ;
+1, ;
-1, .
8. Show state port / . , . , . .
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9. Absolute tolerance . auto.
3
1. Current Measurements . . "+"
"", "i". , (, ) .
.
2. Voltage Measurements . . "+"
"", "u". .
3. Fourier analyzer . . signal , magnitude , angle .
. 3.1. :
Fundamental frequency ();
Harmonic . 0, 1, 2 ..
. Fourier .
4. RMS . , . (. 3.2) .
. 3.1 | |
. 3.2 |
5. Mean Value . , . (. 3.3) .
6. SimPowerSystems, Measurements ( ). (. 3.4) . Avialable Measurements (, ) Update .
. 3.3
|
Selected Measurements ( ) . :
>> ;
Up ;
Down ;
Remove ;
+/- ;
Plot selected measurements (. 18) . : . , , , .
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Output type . , Powergui (Phasor simulation).
. : , .. , , . - SimPowerSystems , ! : , .. / . selected measurements.
6. Scope. . . Scope. . , , , .
: . .
(. 3.5).
. 3.5. Scope
:
1. Print ;
2. Parameters ;
3. Zoom ;
4. Zoom X-axis ;
5. Zoom Y-axis ;
6. Autoscale ;
7. Save current axes settings ;
8. Restore saved axes settings ;
9. Floating scope "" ;
10. Lock/Unlock axes selection / . Floating scope;
11. Signal selection . , Floating scope.
:
1. / . 2,5 .
2. /, , .
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3. , Axes properties . , Y-min Y-max . (Title), %<SignalLabel> .
Scope parameters, (Parameters) . :
General ;
Data history Matlab.
. 3.6.
. 3.6. General
General :
1. Number of axes ( ) . .
2. Time range , . Time range, , Time range. Auto.
3. Tick labels / . , :
all ;
none ;
bottom axis only .
4. Sampling . . Decimation , . , Sample time, .
5. floating scope .
. 3.7 Data history.
. 3.7. Data history
:
1. Limit data points to last . . Limit data points to last , Simulink .
2. Save data to workspace Matlab. :
3. Variable name Matlab.
4. Format Matlab. :
Array ,
Structure ,
Structure with time "".
Limit data Save data . , , .
, Scope , () , , .
Scope , , .. .
Scope, , : , , .. . Matlab :
set(0,'ShowHiddenHandles','On')
set(gcf,'menubar','figure')
m- .
Scope File-Edit-View-Insert-Desktop-Window-Help, . 3.8.
Scope , Figure Properties, Axes Properties, Current Object Properties Edit, (. . 20).
7. . Display . :
1. Format . :
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short 5 .
long 15 .
short_e 5 3 .
long_e 15 3 .
bank .
2. Decimation . Decimation = 1 , Decimation = 2 ..
3. Sample time . .
4. Floating display "" . , .
Display , , . , ▼, .
, . 17 Display. : Display1 ; Display2 ; Display3 ; Display4 ; Display5 .
1. : . / . .. , .. ; . -. , 2010. 40 .
2. .. MATLAB, SimPowerSystems Simulink. .: ; .: , 2008. 288 .
3. -. .. : . .: , 2002. 304 .
2
- .
: - () - -...
1.
- () . :
, , ;
, , , , ;
, , ;
, , .
.5.1
50 IGBT (Insulated Gate Bipolar Transistors) . IGBT 1800 4,5 .
.5.1. 1-4. , .
- , , , . . .
.2.5.2. VTl, VT4 VT2, VT3
.5.2
.5.3
.5.4
+ U,V1,R,L,E,VT4,-U .
U, Imin Im. VT2, VT3 Un. VD2, VD3, 0. VT2, VT3 VT1, VT4 , , -Un,VD2,R,L,E,VD3,+Un, ... . , .
.5.3. (), (), . () , , U =U. ()
.5.5
. , (), (.5.4).
2.
.5.5, :
(240 ); - -...(R,L), ();
(I 1) (I _load);
(U _load);
(Fourier I1), (Fourier I0) (Fourier 7);
(Fourier U0);
(RMC T)
, (Scope)\
, Measurement (Multimeter)',
(Display 1);
.5.6
, (Display);
.5.6 (Universal Bridge)',
(Control System).
Universal Bridge, , :
(Ron, Ohms)\
(Forward Voltage,V);
(Tf, Tt) .
(Control system) .5.7. Repeating Sequence . .5.8:
2 ;
Tq = 0,002. (f = 500).
- R = 10(Ohms), L = 20e-4(H).
Fourier II, Fourier I0, Fourier U0, Fourier 70 (500 ), 0 . RMS (500 ).
3.
.2.5.7
.5.8
3.1 Simulation/Simulation Parameters/Solver .5.9. R,L , -2 2 0,5. ... 0, 100, 200.
... 2.5.1, 2.5.2.
5.1
U | I | U | I1 | I | IT(RMS) | UTmax | ITmax | |
5.2
γ | P | PT | P |
Display 1. Display : ; ; ; . , . ( ) . Multimeter (UTmax) (ITmax) .
:
γ=t/T0,
.5.9
T - , t U_load ( 0).
:
P 1 =U I 1(),
Un - .
:
= [γUf + (1 - γ)U fd ] I+ Ron [IT (RMS]2,
U f, U fd, Ron - . :
P =U I ().
3.2 5.1, 5.2 : UH = f (γ);
P1,P = f ( P ), I1,I (RMS), IT,ITmax=f(I).
4.
4.1 .2.5.1.
4.2 .
4.3 .
4.4 , 2.5.1, 2.5.2
4.5 .
4.6 .
5.
5.1 , .
5.2 .
5.3 .
5.4 .
6.
6.1 - .. : .- .: , , 2002. - 304.
6.2 . MatLab. , . . - .: , 2002. - 448 .
3
-
: () - .