simulation of single phase inverter
DESCRIPTION
MATLAB simulation of single phase inverter, simulation of single phase inverter using simulink, simulation of H bridge inverter, switching functionsTRANSCRIPT
Different PWM techniques can be employed for inverters
Common PWM techniques are Triangular PWM and Sinusoidal PWM
Complete SIMULINK model
DESCRIPTION
Sa Sb Vao Vbo Active states
1 0
0 1
Inactive states
0 0 0 0
1 1 0 0
Modelling Equations
_
2 2
dc dcao a a
V VV S S
_
2 2
dc dcbo b b
V VV S S
ab ao boV V V
Inside “INVERTER” subsystem
Inside “sys” subsystem
Considering an R-L load, the model of load is as shown
Inside “Load” subsystem
Simulation Data
5 0.005974
100 dc
R L H
V V
SIMULATION RESULTS
(a) Triangular PWM
Plot of Vab
Plot of iab
(b) Sinusoidal PWM
Plot of Vab
Plot of iab
NB : All outputs are plotted with respect to time (in sec)