Novel Switched Configuration-Based Multilevel Inverter Topology for Industrial Applications

Table 3

Mathematical relations to achieve switching devices and dc sources for “m” levels.

Topology	Minimum no. of voltage levels	No. of switches	No. of DC sources	No. of freewheeling diodes	No. of switches in the current conduction path
R [29]	5	(m + 1)	(m + 1)/2	—	(m + 1)/2
R [30]	5	(m + 3)	(m − 1)/2	—	(m + 3)/2
R [31]	5	(m + 1)	(m + 1)/2	—	(m + 1)/2
R [32]	5	(m + 11)/2	(m − 1)/2	(m − 5)/2	(m + 3)/2
Proposed	7	(m + 17)/2	(m − 1)/2	—	(m + 3)/2