A Five-Level Cascade Multilever Invertor Three-Phase Motor Drive Using a Single DC Source | Zendy

J.N. Chiasson | Zendy

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A Five-Level Cascade Multilever Invertor Three-Phase Motor Drive Using a Single DC Source

Author(s) -

J.N. Chiasson

Publication year - 2006

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/901193

Subject(s) - cascade , waveform , capacitor , inverter , voltage , induction motor , modulation index , control theory (sociology) , single phase , power (physics) , modulation (music) , computer science , electrical engineering , engineering , physics , acoustics , control (management) , quantum mechanics , chemical engineering , artificial intelligence

A method is presented showing that a 5-level cascade multilevel inverter for a three-phase permanent magnet synchronous motor drive can be implemented using only a single DC link to supply a standard 3-leg inverter along with three full H-bridges supplied by capacitors. It is shown that the capacitor voltages can be regulated while achieving an output voltage waveform that is 20% greater than that obtained using the standard 3-leg inverter alone. Finally conditions are given in terms of the power factor and modulation index that determine when the capacitor voltage can regulated

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