Grid Connection of Wave Power Farm Using an N-Level Cascaded H-Bridge Multilevel Inverter

Figure 3

(a) The H-bridge cell unit, consisting of four active devices. (b) The four possible switching states. 𝑆₂ is complementary to 𝑆₁, and 𝑆₄ is complementary to 𝑆₃.

(a)

(b)