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E.S.S - 3300

型號:儲能系統(E.S.S)

The Existing PV System as shown in Figure 1-1, shows solar power generated by the existing PV system is consumed by the load and excess solar power generated is feedback to the utility grid. This process reduces the amount of electricity purchase from utility grid during daytime and reduce electricity bill when charges are high.
The Ablerex ESS-3300provides two Control Strategy for Users to optimize the utilization of solar power:
1. Electricity Self-Consumption
2. Scheduling

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產品介紹

Introduction of ESS Control


The Existing PV System as shown in Figure 1-1, shows solar power generated by the existing PV system is consumed by the load and excess solar power generated is feed back to the utility grid. This process reduces the amount of electricity purchase from utility grid during daytime and reduce electricity bill when charges are high. 

The Ablerex ESS-3300/4000/5000 provides two Control Strategy for Users to optimize the utilization of solar power:
1. Electricity Self-Consumption
2. Scheduling



1. Electricity Self-Consumption
If electricity Self-Consumption has been selected, ESS-3300/4000/5000 will regulate the power of PCC (Point of Common Coupling) to zero. Users can set Feed-in Power to “Allowed” or “Not Allowed”.

When the Feed-in Power Setting is set as “Allowed” shown in Figure1-2, the excess solar power will charge the Battery (charging power depends on the Battery Capacity) and feed back to the grid. Battery will discharge in the evening depending on the load demand, thus achieving Electricity Self-Consumption (Power of PCC equal Zero).




When the Feed-in Power Setting is set to “Not Allowed” as shown in Figure1-3, the excess solar power will charge the battery but will not feed back to the grid. The Battery is program to absorb the excess electricity. When the Battery is fully charged, the Inverter output power will be limited until Power of PCC equal Zero. 



2. Scheduling
If Scheduling has been selected, ESS-3300/4000/5000 will be controlled according the schedule settings. Feed-in Power Setting can also be set to “Allowed / Not Allowed”.
The scheduling is based on Usage rate, purchasing electricity at low rates to charge Battery during off-peak hours, and discharging to load during peak hours. Time, period and action of ESS (Charge/Discharge) are programmable depending on the different tariff rates. Figure1-4 is shown the Scheduling with Feed-in Power Setting set to “Allowed”. In this Setting, the excess solar power will feed back to grid completely, and discharge when the solar power is less than load demand.



Figure1-5 is shown the Scheduling with Feed-in Power Setting set to “Not Allowed”. The excess solar power will charge the battery, and when the battery is fully charged or unable to absorb the excess solar power, the Inverter output power will be limited until the Power of PCC equal Zero. 


 
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Energy Storage System

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