| 摘要 |
PURPOSE: A grid connected energy storage system for preventing energy reverse transmission is provided to prevent the reverse transmission of energy by adding a simple process means. CONSTITUTION: A load device unit(200) is composed of power load devices as indoor energy utilization facilities. A grid connected storage system(100) is connected to commercial electricity. A load power monitoring unit(110) monitors the operation state of the load device unit. An ESS(energy storage system) controller(120) determines the storage state of an energy storage(130) by receiving storage state information from the energy storage. [Reference numerals] (110) Load power monitoring unit; (120) ESS controller; (131) Charging unit; (132) Battery; (133) Power inverter; (134) Power storage controller; (210) Load device; (220) Conditioning equipment(air conditioner); (AA) Commercial power
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