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Alpha ESS Co., Ltd.
Page 5 of 61
1. Introdu c tion
1.1 Introduction(of(System(
SMILE-B3 is an AC coupled all-in-one battery energy storage system (BESS). It can help to achieve the
optimal usage of renewable energy. SMILE-B3 can control the bi-directional flow of electric power, work
under auto/manual & time-of-use (TOU) modes, charge/discharge the battery as per customer’s setting.
Under the auto mode, SMILE-B3 will store surplus renewable energy onto the battery and discharge
battery to supply power to local loads when renewable energy is not enough. SMILE-B3 is equipped
with 3 buttons, friendly human machine interaction system. More importantly SMILE-B3 is stable, safe,
and reliable. The standard schematic is as shown in Figure 1.1:
Figure 1.1 SMILE-B3 System with PV
NOTE: For the AC coupled system with PV, if only installing Grid CT, the system cannot
display PV Inverter generated power, electric energy production etc.
If there is no PV, the schematic is as below:
Figure 1.2 SMILE-B3 System without PV
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