engineering recuitment GATE EE 2023-24 Test Series Power Electronics and Drives Inverters Three Phase Bridge Inverters
Figure-1 shows a 3-phase inverter fed by a constant voltage source VDC and connected to a balanced resistive load at the output. Each switching device may conduct for 120° (or) 180°. The wave form shown in the figure- II is the
1
line voltage with 120° firing
2
load phase voltage with 120° firing
3
line voltage with 180° firing
4
load phase voltage with 180° firing