Modeling and Modulation of NNPC Four-Level Inverter for Solar Photovoltaic Power Plant

Figure 2

Six switching states of NNPC inverter: (a) switching state 3; (b) switching state 2A; (c) switching state 2B; (d) switching state 1A; (e) switching state 1B; and (f) switching state 0.

(a)

(b)

(c)

(d)

(e)

(f)