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Passive circuit and power converter

  • US 10,608,521 B2
  • Filed: 08/01/2018
  • Issued: 03/31/2020
  • Est. Priority Date: 12/08/2017
  • Status: Active Grant
First Claim
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1. A passive circuit, comprising:

  • a first inductance unit, a second inductance unit, a third inductance unit, a fourth inductance unit and a capacitance unit, wherein the first inductance unit, the second inductance unit, the third inductance unit, and the fourth inductance unit are magnetically coupled to each other,and wherein a first end of the first inductance unit is electrically coupled to a first end of the second inductance unit;

    a second end of the first inductance unit is electrically coupled to a first end of the third inductance unit;

    a second end of the second inductance unit is electrically coupled with a first end of the fourth inductance unit;

    a second end of the third inductance unit and a second end of the fourth inductance unit are respectively electrically coupled with the capacitance unit; and

    the first end of the third inductance unit is not electrically coupled to the first end of the fourth inductance unit,wherein the passive circuit further comprising a first isolation transformer and a second isolation transformer, wherein a primary winding of the first isolation transformer comprises the first inductance unit, a secondary winding of the first isolation transformer comprises a fifth inductance unit, a primary winding of the second isolation transformer comprises the second inductance unit, a secondary winding of the second isolation transformer comprises a sixth inductance unit, and the fifth inductance unit and the sixth inductance unit are magnetically coupled to each other.

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