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What is Section 7 - Inverters about?

1) A three-phase inverter uses a three-leg bridge circuit with switches in each leg displaced 120 degrees from adjacent legs to produce symmetrical three-phase voltages. 2) With 180 degree conduction, each switch is on for half the cycle producing square wave phase and line-line voltages. 3) The line-line voltages are produced by subtracting phase voltages displaced by 120 degrees, which cancels triplen harmonics leaving even harmonics of order 6r ± 1.

Author

Alok Kumar

Language

EN