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Power interconnection with current surge mitigation

  • US 9,780,516 B2
  • Filed: 01/02/2015
  • Issued: 10/03/2017
  • Est. Priority Date: 01/02/2014
  • Status: Active Grant
First Claim
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1. An apparatus for power interconnection, adapted for use between a main connector and a direct current (DC) main, the main connector having a connector main terminal, and the DC main having a DC main terminal, the power interconnection apparatus comprising:

  • an apparatus main terminal electrically coupled to the DC main terminal in response to the power interconnection apparatus being connected to the DC main;

    a conductive contact electrically coupled to a resistor via a first electrical conductive path from the DC main to the main connector, the conductive contact located at an entrance to an apparatus casing hole of the power interconnection apparatus; and

    a conductor electrically coupled to the resistor via the first electrical conductive path from the DC main to the main connector, the conductor separated from the conductive contact by a specified distance;

    wherein, in response to a first action in which the main connector is at a first position at the entrance to the apparatus casing hole of the power interconnection apparatus and in contact with the conductive contact, a first current passes from the conductor to the conductive contact via the first electrical conductive path through the resistor that restricts the first current to prevent damage from inrush current and, in response to a second action in which the main connector is inserted through the entrance of the apparatus casing hole to a second position, the connector main terminal contacts both the conductive contact and the conductor that are separated by the specified distance allowing a second current to pass through the conductor to form a second electrical conductive path from the DC main to the main connector providing a power supply.

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