Setting Battery Control Parameters
This section does not apply to V300R001C00.
Procedure
Click to set the battery working mode and automatic calibration.
Parameter |
Description |
|---|---|
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No Control
SmartLogger directly delivers the external scheduling power limit. No other power scheduling control is performed. The power is automatically controlled by the device.
Maximum Self-Consumption
- This mode applies to areas where the electricity price is high, or areas where the feed-in-tariff (FIT) subsidy is low or unavailable.
- Excess PV energy is stored in batteries. When PV power is insufficient or no PV power is generated at night, batteries discharge to supply power to the loads, improving the system self-consumption rate and energy self-sufficiency rate, and reducing electricity costs.
- The SmartLogger performs battery scheduling based on the external scheduling power limit and the preceding policies.
Parameter |
Description |
Remarks |
|---|---|---|
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This parameter is displayed only when the Japanese grid code is selected. |
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This parameter is displayed only when the Japanese grid code is selected. |
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Control the maximum target grid power when the grid-connection point has zero power. |
- |
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Allowed fluctuation of the target grid power for the grid-connection point |
- |
TOU
- This mode applies to scenarios where the electricity price difference between peak and off-peak hours is large.
- You can manually set the charge and discharge time segments to lower the electricity cost. When the electricity price is low at night, you need to enable Fed to grid in Battery control so that the power grid charges the batteries at the maximum power. When the electricity price is high, the batteries discharge to supply power to the loads.
- Click Add to set the charge and discharge time segments. A maximum of 14 time segments are allowed. During the charge time, the power grid charges the batteries, and during the discharge time, the batteries discharge to supply power to the loads. In other time segments that are not set, the batteries do not discharge, and the PV modules and grid supply power to the loads. (In grid-tied/off-grid mode, if the grid fails, the batteries can discharge at any time.)
- In some countries, the grid is not allowed to charge batteries. In such case, this mode cannot be used.
- The SmartLogger performs battery scheduling based on the external scheduling power limit and the preceding policies.
Parameter |
Description |
Remarks |
|---|---|---|
|
This parameter is displayed only when the Japanese grid code is selected. |
|
|
This parameter is displayed only when the Japanese grid code is selected. |
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|
- |
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Set the maximum power of the grid during battery charging. |
- |
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Control the maximum target grid power when the grid-connection point has zero power. |
- |
|
Allowed fluctuation of the target grid power for the grid-connection point |
- |
|
Set the charge/discharge time. A maximum of 14 time segments are allowed. You can set a cycle by week by clicking the buttons corresponding to Mon. through Sun. in the Repeat box. The buttons are blue by default, indicating being selected. After you click it, the button turns gray. |
The Charge/Discharge period is determined based on the SmartLogger time. When DST enable is set to Yes, the charge/discharge period is shortened by one hour when the DST starts, and is extended by one hour when the DST ends. |
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Scheduled Charge/Discharge
- This mode applies to ground power plant scheduling scenarios.
- In scheduled discharge, the AC output aims to reach the target value of the scheduled active power: PV power supply is prioritized. If the PV power is insufficient, the batteries supply power to loads; if the PV power is sufficient, the system outputs at the target value and the excess PV power is used to charge the batteries.
- In scheduled charge, the AC output aims to reach the target value of the scheduled active power: If the battery power is insufficient or the Smart PCS is limiting power, the system gets power from the grid as much as possible; if the scheduling target is met and the battery has excessive power, the PV power is used to charge the batteries.