Patent ID: 9276409
Filing Date: 2016-03-01
CPC Classification: H02J,H02M,Y02E

Claim Text:
1. A solar photovoltaic (PV) power generation system comprising: a plurality of solar PV panels, each comprising a dc output for delivering dc power; a plurality of power conditioning units, each comprising (1) a dc power input that is coupled to the dc output of a corresponding solar PV panel of the plurality of solar PV panels and (2) an ac mains power supply output for delivering an ac mains supply; a dc power distribution bus that is coupled to (1) each of the plurality of solar PV panels through a first switch for receiving dc power from the solar PV panel and (2) each of the plurality of power conditioning units through a second switch for distributing the received dc power to the power conditioning unit; and a plurality of power distribution controllers that are each coupled to a corresponding power conditioning unit, wherein each power distribution controller is configured to control the second switch of the corresponding power conditioning unit for receiving dc power from the dc power distribution bus, wherein each of the plurality of power distribution controllers comprises a fault detector that is configured to detect a faulty power conditioning unit, wherein, in response to detecting the faulty power conditioning unit, the power distribution controller is further configured to distribute the dc power from the dc output of the solar PV panel coupled to the faulty power conditioning unit to other power conditioning units of the plurality of power conditioning units via the dc distribution bus.