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Multilevel converters and inverters have become the enabling power conversion technology for high voltage high power applications in today's power systems and large motor drives. Although the neutral-point clamped (NPC, a 3-level) inverter was invented in 1979, the multilevel concept was not formally established until the early 1990s when the diode-clamped multilevel inverter, the capacitor-clamped...
Connecting power electronic devices to high voltage or high current grids has oriented relevant researches to a new challenge so called high power applications. To provide appropriate conditions to this aim, some new problems have been emerged. Multilevel power converter has been a proposed solution to increase output voltage level in the recent decades. However they really have some problems which...
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