Table 3 Comparison of 9-level MLI under symmetrical operation.

From: A quad DC source switched three-phase multilevel DC-link inverter topology

Topologies

No. of DC sources

No. of switches

No. of gate drivers

No. of max switches in current conduction path

Topology 143

4

12

10

4

Topology 244

4

10

9

4

Topology 345

4

12

10

4

Proposed topology

4

12

10

4

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