4. Electric power conversion systems
  5. Current conversion
  6. Including an a.c.-d.c.-a.c. converter

Johann Walter Kolar

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Device for quasi-direct pulse-width controlled energy...

Electric power conversion systems – Frequency conversion without intermediate conversion to d.c. – By semiconductor converter
Reexamination Certificate

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Method for operating a converter circuit, and device for...

Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
Reexamination Certificate

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Three-phase hybrid AC-voltage/AC-voltage direct converter...

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2625839

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