Three-phase common mode filtering circuit and wave filter

Three-phase common mode filtering circuit and wave filter

  • CN 106,992,669 A
  • Filed: 01/21/2016
  • Published: 07/28/2017
  • Est. Priority Date: 01/21/2016
  • Status: Active Application
First Claim
Patent Images

1. a kind of three-phase common mode filtering circuit, it is characterised in that the circuit includes:

  • Three-phase circuit input, for inputting three-phase current;

    Common mode inductance unit, is connected with the three-phase circuit input, dry in the three-phase current for filtering outElectric wave is disturbed, wherein, the common mode inductance unit includes the first inductance, the second inductance and the 3rd inductance, describedFirst winding of the first inductance is connected with the first winding of second inductance;

    Second winding of first inductanceIt is connected with the first winding of the 3rd inductance, the of the second winding of second inductance and the 3rd inductanceTwo windings are connected;

    Three-phase circuit load end, is connected with the common mode inductance unit, for connecting load.

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