Fig. 1. Configuration of the 3-phase 3-level NPC-type inverter system.
Fig. 4. Comparison of PWM method.
Fig. 5. PSIM simulation.
Fig. 6. Simulation result for comparison of conventional PWM with proposed PWM.
Fig. 7. Configuration of experiment.
Fig. 8. Experiment result for comparison of conventional PWM with proposed PWM.
Fig. 2. Common mode voltage equivalent circuit.
Fig. 3. Space vector diagram of 3-level inverter.
TABLE I COMMON MODE VOLTAGE ACCORDING TO VOLTAGE VECTOR
TABLE II SYSTEM PARAMETER
References
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