AC Power Systems for Renewable Electrical Energy

Abstract

A renewable electrical energy power system is provided with aspects and circuitry that can optimize operation of a DC-AC inverter. Alternative electrical energy sources may include solar cells and solar panels. In various embodiments, the system may include solar panel maximum power point independent inverter input optimization photovoltaic power control circuitry, inverter efficiency optimized converter control circuitry, inverter voltage input set point converter output voltage control circuitry, inverter sweet spot converter control circuitry, photovoltaic inverter duty cycle switch control circuitry, substantially power isomorphic photovoltaic inverter input control circuitry, and substantially power isomorphic photovoltaic inverter duty cycle control circuitry. With previously explained converters, inverter control circuitry or photovoltaic power converter functionality control circuitry configured as inverter sweet spot converter control circuitry can achieve extraordinary efficiencies with substantially power isomorphic photovoltaic capability at 99.2% efficiency or even only wire transmission losses.

1 . An inverter optimized renewable electrical energy power system comprising:
 at least one alternative electrical energy source having a DC photovoltaic output;   at least one photovoltaic DC-DC power converter responsive to said DC photovoltaic output and having a photovoltaic DC converter output;   a DC-AC inverter responsive to said photovoltaic DC converter output;   reactive inverter input optimization photovoltaic power control circuitry; and   a photovoltaic AC power output responsive to said photovoltaic DC-AC inverter.   
     
     
         2 . An inverter optimized renewable electrical energy power system as described in  claim 1  wherein said reactive inverter input optimization photovoltaic power control circuitry comprises solar panel maximum power point independent inverter input optimization photovoltaic power control circuitry. 
     
     
         3 . An inverter optimized renewable electrical energy power system as described in  claim 1  wherein said reactive inverter input optimization photovoltaic power control circuitry comprises inverter efficiency optimized converter control circuitry. 
     
     
         4 . An inverter optimized renewable electrical energy power system as described in  claim 1  wherein said reactive inverter input optimization photovoltaic power control circuitry comprises inverter voltage input set point converter output voltage control circuitry. 
     
     
         5 . An inverter optimized renewable electrical energy power system as described in  claim 4  wherein said inverter voltage input set point converter output voltage control circuitry comprises inverter sweet spot converter control circuitry. 
     
     
         6 . An inverter optimized renewable electrical energy power system as described in  claim 5  wherein said inverter sweet spot converter control circuitry comprises photovoltaic inverter duty cycle switch control circuitry. 
     
     
         7 . An inverter optimized renewable electrical energy power system as described in  claim 3  wherein said inverter efficiency optimized converter control circuitry comprises substantially power isomorphic photovoltaic inverter input control circuitry. 
     
     
         8 . An inverter optimized renewable electrical energy power system as described in  claim 7  wherein said substantially power isomorphic photovoltaic inverter input control circuitry comprises substantially power isomorphic photovoltaic inverter duty cycle control circuitry. 
     
     
         9 . An inverter optimized renewable electrical energy power system as described in  claim 3  wherein said inverter efficiency optimized converter control circuitry comprises inverter efficiency optimized converter control circuitry selected from a group consisting of:
 at least about 97% efficient photovoltaic conversion circuitry, 
 at least about 97.5% efficient photovoltaic conversion circuitry, 
 at least about 98% efficient photovoltaic conversion circuitry, 
 at least about 98.5% efficient photovoltaic conversion circuitry, 
 at least about 97% up to about 99.2% efficient photovoltaic conversion circuitry, 
 at least about 97.5% up to about 99.2% efficient photovoltaic conversion circuitry, 
 at least about 98% up to about 99.2% efficient photovoltaic conversion circuitry, 
 at least about 98.5% up to about 99.2% efficient photovoltaic conversion circuitry, 
 at least about 97% up to about wire transmission loss efficient photovoltaic conversion circuitry, 
 at least about 97.5% up to about wire transmission loss efficient photovoltaic conversion circuitry, 
 at least about 98% up to about wire transmission loss efficient photovoltaic conversion circuitry, and 
 at least about 98.5% up to about wire transmission loss efficient photovoltaic conversion circuitry. 
 
     
     
         10 . An inverter optimized renewable electrical energy power system as described in  claim 1  wherein said at least one alternative electrical energy source comprises at least one solar cell. 
     
     
         11 . An inverter optimized renewable electrical energy power system as described in  claim 1  wherein said at least one alternative electrical energy source comprises a plurality of electrically connected solar panels. 
     
     
         12 . An inverter optimized renewable electrical energy power system as described in  claim 1  wherein said photovoltaic DC-DC power converter comprises at least one multimodal photovoltaic DC-DC power converter and further comprises multimodal converter functionality control circuitry. 
     
     
         13 . An inverter optimized renewable electrical energy power system as described in  claim 1  and furthering comprising dynamically reactive internal output limited photovoltaic power control circuitry. 
     
     
         14 . An inverter optimized renewable electrical energy power system as described in  claim 1  and further comprising inverter sourced photovoltaic power conversion output control circuitry. 
     
     
         15 . An inverter optimized renewable electrical energy power system as described in  claim 1  further comprising inverter coordinated photovoltaic power conversion control circuitry. 
     
     
         16 . An inverter optimized renewable electrical energy power system as described in  claim 1  and further comprising a solar power conversion comparator that indicates a solar energy parameter of a first power capability as compared to a second power capability. 
     
     
         17 . An inverter optimized renewable electrical energy power system as described in  claim 1  and further comprising soft transition photovoltaic power conversion control circuitry. 
     
     
         18 . An inverter optimized renewable electrical energy power system as described in  claim 1  wherein said reactive inverter input optimization photovoltaic power control circuitry comprises photovoltaic inverter duty cycle switch control circuitry. 
     
     
         19 . An inverter optimized renewable electrical energy power system as described in  claim 1  and further comprising an AC power grid interface to which said AC power output supplies power. 
     
     
         20 . An inverter optimized renewable electrical energy power system as described in  claim 1  wherein said DC-AC inverter comprises a high voltage DC-AC solar power inverter. 
     
     
         21 . An inverter optimized renewable electrical energy power system as described in  claim 20  wherein said photovoltaic AC power output comprises a three phase photovoltaic AC power output.