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Intra-module DC-DC converter and a PV-module comprising same

  • US 10,135,252 B2
  • Filed: 09/24/2014
  • Issued: 11/20/2018
  • Est. Priority Date: 09/24/2013
  • Status: Active Grant
First Claim
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1. A photovoltaic module comprising:

  • at least two strings, each string including a plurality of solar cells connected in series;

    a circuit for obtaining power from a photovoltaic unit, the circuit comprising at least two intra-module DC-DC power converters connected with a string and in parallel between each other;

    wherein said intra-module DC-DC power converters comprise;

    at least one multiplier stage (M), said multiplier stage comprising two capacitors (CM1, CM2), each capacitor respectively connected to a diode (DM1, DM2), and wherein said diodes (DM1, DM2) of the at least one multiplier cell are adapted to charge the multiplier capacitors (CM1, CM2) with a charge voltage (VM), andwherein an input signal (Vin) from the photovoltaic unit is converted into an output signal (Vout), wherein said output signal is (M+1) times the charge voltage (VM).

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