Parallel phases of voltage source inverter

In the context of Voltage Source Inverters (VSIs), “parallel phases” usually refers to parallel operation of inverter legs

Key Interpretations of "Parallel Phases" in VSI Context

1. Parallel Inverter Legs for High Current

• When single inverter switches cannot handle the required load current, two or more inverter legs (per phase) are connected in parallel.
• Used in high-power applications (e.g., industrial drives, motor controllers).
• Each parallel leg must be synchronized and often includes current sharing inductors or control.