High voltage solar modules

Abstract

A photovoltaic module can include a high voltage photovoltaic laminate that include a plurality of high voltage photovoltaic cells with each of the high voltage photovoltaic cells including a plurality of sub-cells. A boost-less conversion device can be configured to convert a first voltage from the high voltage photovoltaic laminate to a second voltage.

What is claimed is: 
     
         1 . A photovoltaic system, comprising:
 a first high voltage photovoltaic module; and   a first boost-less microinverter coupled to the first high voltage photovoltaic module, wherein the first boost-less microinverter is configured to convert a direct current (DC) voltage to an alternating current (AC) voltage, wherein the first boost-less microinverter is coupled to a second boost-less microinverter that is coupled to a second high voltage photovoltaic module.   
     
     
         2 . The photovoltaic system of  claim 1 , further comprising:
 a junction box coupled to the first high voltage photovoltaic module,
 wherein the first boost-less microinverter is located within the junction box. 
   
     
     
         3 . The photovoltaic system of  claim 1 , wherein the first boost-less microinverter includes a high frequency isolation transformer with a switching frequency greater than 100 KHz. 
     
     
         4 . The photovoltaic system of  claim 1 , wherein the first high voltage photovoltaic module includes a plurality of photovoltaic cells, wherein each of the plurality of photovoltaic cells includes a plurality of sub cells. 
     
     
         5 . The photovoltaic system of  claim 1 , further comprising:
 the second high voltage photovoltaic module; and   the second boost-less microinverter coupled to the second high voltage photovoltaic module, wherein the second boost-less microinverter is coupled to a third boost-less microinverter that is coupled to a third high voltage photovoltaic module, wherein the first, second, and third high voltage photovoltaic modules are connected in series.   
     
     
         6 . The photovoltaic system of  claim 1 , wherein the first boost-less microinverter has Vmp>1.43 Vgrid. 
     
     
         7 . The photovoltaic system of  claim 1 , wherein the first boost-less microinverter is further configured to switch into a different mode based, at least in part, on a Vmp of the first high voltage photovoltaic module falling below a threshold value 
     
     
         8 . A junction box, comprising:
 a housing coupled to a photovoltaic laminate; and   a boost-less microinverter within the housing, wherein the microinverter is configured to convert a direct current (DC) voltage to an alternating current (AC) voltage.   
     
     
         9 . The junction box of  claim 8 , wherein the photovoltaic laminate is a high voltage photovoltaic laminate. 
     
     
         10 . The junction box of  claim 8 , wherein the microinverter includes an isolation transformer with a switching frequency greater than 100 KHz.