Photovoltaic device

Photovoltaic device

  • CN 102,217,086 A
  • Filed: 07/20/2009
  • Published: 10/12/2011
  • Est. Priority Date: 09/18/2008
  • Status: Active Application
First Claim
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1. photovoltaic devices, comprise photovoltaic module (12) with solar cell, be assigned the MPT device (42) that is used for determining the electrical power maximum of described photovoltaic module (12) and is used to regulate the affiliated current-voltage working point of the inverter (14) that is connected the back to described photovoltaic module, it is characterized in that:

  • Be assigned detecting unit (40) for described MPP device (42), described detecting unit be configured to detect a plurality of solar cells separately cell voltage and be used for producing the control signal that is used for described MPP device (42), make as the cell voltage of a solar cell is used for triggering described current-voltage working point with respect to the reaction of the predetermined change in voltage that is detected of the cell voltage of the other solar cell in a plurality of solar cells of described photovoltaic module (12) and by described control signal, cause the especially displacement of power decline of described photovoltaic module (12) variable power.

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