Device and method for prolonging service life of series direct current power supply unit groups

Device and method for prolonging service life of series direct current power supply unit groups

  • CN 101,557,105 A
  • Filed: 05/19/2009
  • Published: 10/14/2009
  • Est. Priority Date: 05/19/2009
  • Status: Active Grant
First Claim
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1. , a kind of series direct current power supply unit group device in useful life that prolongs, it is characterized in that:

  • comprise Technics of Power Electronic Conversion circuit, control circuit and drive circuit, the two ends of the high-pressure side of described Technics of Power Electronic Conversion circuit and dc power supply unit group or outside direct current or AC power link to each other, the low-pressure side of Technics of Power Electronic Conversion circuit links to each other with the control switch group, and the control switch group links to each other with each power supply unit in the power supply unit group;

    Control circuit links to each other with drive circuit, and drive circuit provides drive signal for the control switch group.

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