Single Phase Half Bridge Inverter

This type of Inverter requires two power electronics switches (MOSFET). The MOSFET or IGBT is used for switching purpose.
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Actualizado 20 Oct 2019

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According to output frequency, ON time and OFF time of MOSFET is decided and gate pulses are generated. We need 50Hz AC power, so the time period of one cycle (0 < t < 2π) is 20msec. As shown in the diagram, MOSFET-1 is triggered for first half cycle (0 < t < π) and during this time period MOSFET-2 is not triggered. In this time period, current will flow in the direction of arrow as shown in below figure and half cycle of AC output is completed. The current from the load is right to left and load voltage is equal to +Vdc/2.In second half cycle (π < t < 2π), the MOSFET-2 is triggered and lower voltage source is connected with the load. The current from the load is left to right direction and load voltage is equal to -Vdc/2. In this time period, current will flow as shown in figure and the other half cycle of AC output is completed.

Simulation of Half-Bridge Inverter in MATLAB

For simulation add elements in model file from Simulink library.

1) 2 DC source – 50V each

2) 2 MOSFET

3) Resistive load

4) Pulse generator

5) NOT gate

6) Powergui

7) Voltage measurement

8) GOTO and FROM

Citar como

Dr.GADDALA JAYA RAJU (2024). Single Phase Half Bridge Inverter (https://www.mathworks.com/matlabcentral/fileexchange/73067-single-phase-half-bridge-inverter), MATLAB Central File Exchange. Recuperado .

Compatibilidad con la versión de MATLAB
Se creó con R2016a
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1.0.0