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Transient protector circuit for multi-phase energized power supplies

  • US 20060012935A1
  • Filed: 07/13/2004
  • Published: 01/19/2006
  • Est. Priority Date: 07/13/2004
  • Status: Abandoned Application
First Claim
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1. A system for protecting a direct current device connected to a multi-phase power supply comprising:

  • a plurality of phase inputs for receiving each of the phases of the power supply;

    a neutral input;

    a positive and a negative output for connecting to the direct current device;

    a plurality of impedances;

    only one metal oxide varistor, the metal oxide varistor connected in series between the positive and negative output; and

    a plurality of diodes providing a connection between each phase input and each phase input and the neutral input, wherein the connection passes through the at least one metal oxide varistor connected in series between the positive and negative output.

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