Patent ID: 9710005
Date: 2017-07-18
CPC Classifications: G05F,H02J,H02M,Y02E

Claim:
1. A photovoltaic (PV) system, comprising: a first string of PV collection devices; a second string of PV collection devices; a first positive parallel bus coupled to a positive terminal of the first string and to a positive terminal of the second string; and a first negative parallel bus coupled to a negative terminal of the first string and to a negative terminal of the second string; wherein the first positive parallel bus and the first negative parallel bus are coupled to a first maximum power point tracking module; with the first maximum power point tracking module is housed in a central inverter; wherein the central inverter comprises a second maximum power point tracking module coupled to a second positive parallel bus and second negative parallel bus, wherein the first and second maximum power point tracking modules are configured to perform maximum power point tracking independently from one another.