Power stage precharging and dynamic braking apparatus for multilevel inverter

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United States of America Patent

PATENT NO 9083274
APP PUB NO 20140300298A1
SERIAL NO

13858187

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Abstract

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Precharging and dynamic braking circuits are presented for multilevel inverter power stages of a power converter with a shared resistor connected to charge a DC bus capacitor with current from the rectifier circuit in a first operating mode and connected in parallel with the capacitor to dissipate power in a dynamic braking mode.

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Patent Owner(s)

  • ROCKWELL AUTOMATION TECHNOLOGIES, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Jingbo Grafton, US 42 432
Nondahl, Thomas Greenfield, US 17 298

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