AUTOMATIC SWITCHING COLTROL APPARATUS AND CONTROL METHOD IN GRID-TIED SYSTEM

摘要

The present invention relates to a solar system. More particularly, the present invention relates to an automatic switching control apparatus and a control method in a grid-tied system. An automatic switching control apparatus and a control method in a grid-tied system according to the present invention can automatically control power supply to an emergency load and a common load in consideration of the power capacity state of an ESS and the generating state of distributed power in a switched state with a system at system error.