METHOD AND APPARATUS FOR PRVIDING INVERTER FAULT DETECTING IN SOLAR POWER GENERATION SYSTEM

摘要

The present invention provides a method of detecting a failure of an inverter in a solar cell power generation system, and the method includes: replacing a specific inverter in an inverter group including a plurality of inverters, which converts a DC (direct current) power outputted from a solar cell array to an AC (alternate current) power with a reserve inverter; comparing an outputted power amount of the inverter group before and after the replacement; and determining the specific inverter or the replaced reserve inverter as a failure when a difference between the outputted power amount before and after the replacement exceeds a reference value from the comparison result.