● If the working mode is set to TOU, the system enables Charge from AC. In
this mode, you can manually set the charge and discharge time segments to
reduce electricity costs. For example, if you set the low electricity price period
at night as the charge time, the system charges the ESS at the maximum
power during the charge time. If you set the high electricity price period as
the discharge time, the ESS discharges only during the discharge time.
● A maximum of 14 time segments can be set. For details about how to set
charge and discharge parameters, see 7.3 Battery Commissioning.
● In some countries, the grid is not allowed to charge batteries. Therefore, this
mode cannot be used.
● This mode requires at least one charging period and one discharging
period,the grid charges batteries during the charge time and supplies power
to loads during the discharge time. In other time segments that are not set,
the batteries do not discharge, and the PV modules and grid supply power to
loads. (In grid-tied and o-grid mode, if the grid is powered o, the batteries
can discharge at any time.)
Figure 4-7 TOU (time-of-use) working mode
LUNA2000-(5-30)-S0
User Manual 4 Application Scenarios and Settings
Issue 15 (2024-01-12) Copyright © Huawei Digital Power Technologies Co., Ltd. 45
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