4. Electricity: electrical systems and devices
  5. Safety and protection of systems and devices
  6. Arc suppression at switching point

Bernt Bergdahl

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Electric filter equipment

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Filter equipment for power lines

Wave transmission lines and networks – Coupling networks – Frequency domain filters utilizing only lumped parameters
Patent

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High-voltage direct current interuption devices

Electricity: electrical systems and devices – Safety and protection of systems and devices – Arc suppression at switching point
Patent

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HVDC transmission with a converter connected between an AC volta

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

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Profile ID: LFUS-PAI-P-707553

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