Modulation of a PFC during DC operation

Modulation of a PFC during DC operation

  • CN 101,044,798 A
  • Filed: 10/05/2005
  • Published: 09/26/2007
  • Est. Priority Date: 10/20/2004
  • Status: Active Grant
First Claim
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1. , a kind ofly be used to operate the especially method of the used electric ballast of gaseous discharge lamp (EVG) of the used operating means of lighting apparatus, wherein said operating means has the power factor correction circuit (PFC) of the harmonic wave when being used to be reduced in input current and promoting,It is characterized in that,To the input at described operating means apply that dc voltage is surveyed andAccording to apply the operating frequency that dc voltage is modulated described power factor correction circuit at input.

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