Three-Phase Bridge Inverter — Virtual Lab
120° / 180° conduction with animated current flow
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⚙ Controls

Simulation ready

Current-flow visualization

The cyan moving particles represent conventional current through the active semiconductor path and the three-phase load. Conducting switches glow green.

Switch numbering

Upper group: T1, T3, T5
Lower group: T4, T6, T2

Antiparallel diodes: D1–D6

120° sequence

0–60° : T1 + T6
60–120° : T1 + T2
120–180° : T2 + T3
180–240° : T3 + T4
240–300° : T4 + T5
300–360° : T5 + T6

180° sequence

0–60° : T1 + T5 + T6
60–120° : T1 + T3 + T6
120–180° : T1 + T2 + T3
180–240° : T2 + T3 + T4
240–300° : T2 + T4 + T5
300–360° : T4 + T5 + T6

⚡ Three-Phase Bridge Inverter Power Circuit

DC SOURCE +Vs −Vs Vs C DC-link capacitor PHASE A T1 D1 T4 D4 PHASE B T3 D3 T6 D6 PHASE C T5 D5 T2 D2 3-Phase LOAD A B C Vab Vbc Vca
Mode 120°
Electrical angle
Vs 300 V
Frequency 50 Hz
Conducting devices T1 + T6

📈 Resultant AC Waveforms

🔄 Switching Sequence

Angle T1 T2 T3 T4 T5 T6 Conducting