- c - (. 4). Matlab 7.0.1 Simulink 6. Simulink- (. 5) (. 4) :
AC Voltage Source;
Linear Transformer;
Universal Bridge;
- Series RLC Branch -... DC Voltage Source;
Control System, Uc Alpha. Out1,, Out4 . . 4 , .
. 4. RL - c -
. 5. Simulink-
() Simulink SimPowerSystems.
. , . . Block Parameters:< > . (/). , , . , . , ( ) . , . .
Measurement . , (. 3). . . None Measurement , () .
Sample time ( , ) , Solver Options Simulation . Max Step Size , Sample time. , , Simulink , . .
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Sample time . :
0 ( );
- ( ) . ;
-1 , , .. , . Inherit sample time . , , . : , ( Buffer overlap 0), , .
Sample time ( , ), , , Td. Td Matlab.
Simulink - Interpret vector parameters as 1-D ( ).
(. 5).
1. u c AC Voltage source Electrical Sources SimPowerSystems. ():
, . "+" . . 6. :
Peak amplitude ();
Phase ();
Frequency ().
. 6. |
, .. .
2. Linear Transformer Elements ( ) SimPowerSystems. :
- . .
. 7. , (R 1, R 2, R 3), (L 1, L 2, L 3) (Rm, Lm).
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. 8. :
Nominal power and frequency () ();
Winding 1 parameters ;
Winding 2 parameters ;
Winding 3 parameters . Three windings transformer ( );
Magnetization resistance and reactance .
. 8. |
: i - i = 1, 2, 3, Ui (); Ri Li, : Lm Rm, .
. , . 1 .
Linear Transformer (. 9). L 2, R 2 .
. 9. - |
3. Universal Bridge Power Electronics SimPowerSystems. :
. ( 1 3), (, , , , IGBT MOSFET , ). . 10. :
Numbers of bridge arms ;
Snubber resistance ();
. 10. |
Snubber capacitance ();
Power electronics device ;
:
Ron ();
Lon (). ;
Forward Voltage ().
. All voltages and currents . (): Usw1, Usw2, Usw3, Usw4 ; Isw1, Isw2, Isw3, Isw4 ; Uab, Ubc, Uca, Udc .
g ( Simulink pulses). , .
4. RLC - Series RLC Branch Elements SimPowerSystems. :
, . . 11. :
Resistance R ();
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Inductance L ();
Capacitance C ().
. . - , inf (. 11).
. 11. |
5. DC Voltage Source Electrical Sources SimPowerSystems. - . :
. 12. .
. 12. - |
. 13. |
6. Mux Commonly Used Blocks Simulink. , . Universal Bridge g . . 13.
Numbers of inputs . , , Display options, : bar ; signals ; none Mux.
7. Control System. . Simulink.
, ( ) . α, , .
α . . 14, , . 14, .
, (), (), ( ).
(), (), (), , U .
(. 14, ) , Control System (. 15). Ports&SubSystems Simulink SubSystem, , (. 16).
, , Simulink (. 2). 2.
In1. u In1, , . 5 Voltage Measurement.
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Hit Crossing, ( . 14), ( Integrator).
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Simulink'a | ||
Constant | Sources ( ) | |
Gain | Math Operations ( ) | |
Hit Crossing | Discontinuities ( ) | , |
In | Ports&Subsystems ( ) | |
Integrator | Continuous ( ) | |
Out | Ports&Subsystems ( ) | |
Relay | Discontinuities () | |
Switch | Signal Routing ( ) |
Constant2, Gain Integrator ( . 14). . Constant2 , 1800. , 0 , α. u α .
Relay Switch, Switch1 ( . 14). ( , α) , . Out1, Out2, Out3, Out4.
(. 45) Simulink'a - (. 17). . 3. 4. 3.
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SIMULINK
SINKS | |||
SINKS | |||
Commonly Used Blocks | |||
Commonly Used Blocks |
4
SimPowerSystems
Measurements | |||
Measurements | |||
Measurements | |||
Extra Library | |||
Extra Library | |||
Extra Library |
. 17 Current Measurement Voltage Measurement , Current Measurement1 Voltage Measurement1 . Fourier . RMS Mean Value . Mean Value1 Mean Value2 . Display, .
. 17. |
, , ( ): , , , , . Configuration Parameters, Simulation, .
Solver Configuration Parameters (. 18) ( Simulink Simulation Parameters).
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. 18. Solver Configuration Parameters |
Start time Stop time Simulation time . 10..20 u c, .
, . Simulink , . :
Variable-step solvers ;
Fixed-step solvers .
, . , . , , , . , , , . Solver Options. Type ( . 18 Variable-step). Solver . : discrete, ode23, ode45, ode113, ode15s, ode23s, ode23t ode23tb . , , , . s ( . stiff ). , ode15s. , ode23t ode23tb.
Max step size , Sample time , . Max Step Size , Sample time, .
.
, , Save ( CTRL+S) Save as File.
(Start Simulation) . (Pause Simulation) (Stop Simulation).
, , Relative tolerance ( ). 1-3, , , 1-4, . , Initial step size.
- , Absolute tolerance ( ) , . , , , , .