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Mixed signal conversion, isolation, and transmission for aerospace multi-channel data and power interface systems

  • US 8,760,000 B2
  • Filed: 11/19/2010
  • Issued: 06/24/2014
  • Est. Priority Date: 11/19/2010
  • Status: Expired due to Fees
First Claim
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1. An electrical power distribution system for a vehicle, comprising:

  • two or more independently grounded buses; and

    an evaluation system including a primary side grounded at a first grounding level Gp and a secondary side grounded at a second grounding level, the evaluation system selectively connectable to at least one of the two or more independently grounded buses,the primary side configured to transmit evaluation data to the secondary side;

    a measuring device isolated from the primary side;

    a high-voltage isolation device comprising a DC-DC converter configured to transmit high-voltage data from a connected one of the two or more independently grounded buses to the measuring device,a low-voltage isolation device configured to transmit communications data from the connected one of the two or more independently grounded buses to the measuring device, whereinthe measuring device isolated from the connected one of the two or more independently grounded buses while receiving data from the connected one of the two or more independently grounded buses; and

    the primary side connectable to at least one of the two or more independently grounded buses so that, when connected, the grounding level of the primary side is equalized with a grounding level of the connected two or more independently grounded buses.

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