A Single-Phase Buck-Boost Matrix Converter with Low Switching Stresses

Figure 1

Current conduction path for various operating modes of the proposed converter for: (a) & (b) positive voltage gain from positive input voltage; (c) & (d) positive voltage gain from negative input voltage; (e) & (f) negative voltage gain from positive input voltage; (g) & (h) negative voltage gain from negative input voltage.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)