US 7,612,283 B2
Solar power generation apparatus and its manufacturing method
Fumitaka Toyomura, Shiga (Japan); and Nobuyoshi Takehara, Shiga (Japan)
Assigned to Canon Kabushiki Kaisha, Tokyo (Japan)
Filed on Nov. 19, 2004, as Appl. No. 10/991,450.
Application 10/991450 is a continuation of application No. PCT/JP2003/008659, filed on Jul. 08, 2003.
Claims priority of application No. 2002-200525 (JP), filed on Jul. 09, 2002.
Prior Publication US 2005/0121067 A1, Jun. 09, 2005
Int. Cl. H01L 31/00 (2006.01); H01L 31/042 (2006.01)
U.S. Cl. 136—244  [136/256; 136/293] 2 Claims
OG exemplary drawing
 
1. A solar power generation system comprising:
a plurality of solar cells formed on a common conductive substrate;
a plurality of DC/DC converters which are connected to said solar cells, respectively, to boost voltage of DC power output from the connected solar cells; and
an inverter which converts DC power output from said plurality of DC/DC converters into AC power,
wherein each of said plurality of DC/DC converters comprises first and second input terminals and first and second output terminals,
wherein each of said solar cells comprises a first electrode electrically connected to the common conductive substrate, and a second electrode electrically connected to the first input terminal of one of said plurality of DC/DC converters,
wherein the second input terminal and the first output terminal of each of said plurality of DC/DC converters are electrically connected to the common conductive substrate for connecting said plurality of DC/DC converters in parallel electrical relation, and
wherein the second output terminal of one of said plurality of DC/DC converters is connected to the second output terminal of another one of said plurality of DC/DC converters,
wherein said inverter has an insulating transformer to insulate between an input and an output of said inverter, and
wherein a connection member which electrically connects said plurality of DC/DC converters to said inverter is grounded.