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Operating Test
8.4.4.3 Both
Both solar energy generation and Battery charge-discharge are available. The solar-generated power is
charged or discharged to the Battery based on the EMS decision.
• Use smart meter. The energy supply priority is : load (sub+main) > battery > grid
• Not use smart meter. The energy supply priority is : sub_load > battery > grid
8.4.5 PV-Only Mode
This mode enables the solar energy to be generated. However, the Battery charge-discharge does
not operate. A maximum of power or less of solar energy generation power can be sent to Grid based
on the EMS decision.
• Use smart meter. The energy supply priority is : load (sub+main) > grid
• Not use smart meter. The energy supply priority is : sub_load > grid
[ Figure 8-8 : Diagram of PV-Auto Strong Both Mode ]
[ Figure 8-9 : Diagram of PV-Only Mode ]
Grid Output
Power
Load Output
Power(Main)
Load Output
Power(Sub)
PV Input
Power
Energy
Meter for
Utility
Battery
Power
One Way
Bi-directional way
Inactive
Grid Output
Power
Load Output
Power(Main)
Load Output
Power(Sub)
PV Input
Power
Energy
Meter for
Utility
Battery
Power
One Way
Bi-directional way
Inactive