New Pulse Width Modulation Technique to Reduce Losses for Three-Phase Photovoltaic Inverters

Figure 2

Six switching configurations in 120° BC-PWM control method.

(a) Time interval 0 ≥ θ ≥ /6

(b) Time interval /6 ≥ θ ≥ /2

(c) Time interval /2 ≥ θ ≥ 5/6

(d) Time interval 5/6 ≥ θ ≥ 7/6

(e) Time interval 7/6 ≥ θ ≥ 3/2

(f) Time interval 3/2 ≥ θ ≥ 11/6