Residential Energy Storage System

Why Do You Need the PV ESS (Photovoltaic Energy Storage System)? Facing with the challenges of record-low feed-in tariffs and utilities enforcing zero exports, consumers suffer not only from an ever-increasing electricity prices, they also make very little from selling off excess green power or absolutely nothing at all to meet the zero export restriction. Energy consumption Contribution towards electricity bill Electricity used in peak times can place a strain Premium charged during peak period on the grid network, that is why some utilities 35% charge premium during peak period. The average...

System Solution SH5K+ PV ESS If the household loads and the PV power generation curve are well matched, a battery module may not be required or could be installed later. Zero-export System The SH5K PV ESS installed with the meter provided could be configured to a zero-export system. In this system, the inverter output will adjust to match the load consumption power continuously to restrict the export power. The export power threshold can be set ranging from 0 to 5000 W. If the threshold value is set to 5000 W, all excess power will be exported to the grid.

Retrofittable System The SH5K+ hybrid inverter is compatible with any single-phase PV grid-connected inverters. An existing PV system can be retrofitted to be a PV ESS with the addition of SH5K+. Example: Rated power of the existing PV panel: 2 kW Rated power of the new PV panel: 2 kW to 4 kW In the system, when an export power above zero is detected by the meter, the SH5K+ PV ESS will charge the battery. The charge energy may be from the existing PV panel or the new PV panel. Thanks to the energy management function of the SH5K+, the self-consumption of the new system will be greatly improved....

System Function Load Import Power Recording In addition to the daily, monthly, annual and total data of power generated, the SH5K+ PV ESS is capable of recording power imported from the grid during peak tariff period. This allows the customers to sensibly select an appropriate size for the battery based on its own consumption history. For instance, on the “Monthly” interface of “Import power”, user may select the time period 14:0021:00 to view the corresponding import energy. Battery Usage Time Settable Maximize the return of investment by matching battery usage to peak tariff period. The users...

SH5K+ PV Input Data Max. PV input power Max. PV input voltage Startup voltage Nominal input voltage MPP voltage range MPP voltage range for nominal power No. of MPPTs Max. number of PV strings per MPPT Max. PV input current Max. current for input connector Short-circuit current of PV input AC Input and Output Data Max. AC input power Nominal AC output power Nominal AC ouput current Max. AC output apparent power Max. AC output current Nominal AC voltage AC voltage range Nominal grid frequency Grid frequency range Flexible For new and existing systems Compatible with both lithium-ion and lead-acid...

Mechanical Data Dimensions（W × H × D） Mounting method Weight Backup Data Nominal voltage Total hamonic factor output voltage Frequency range Switch time to emergency mode Power factor Max. output power Max. output power (battery) 230 Vac (±2%) 4% (full load) 50 Hz (±0.2%) 10 s 0.8 overexited to 0.8 underexited 5000 W / 5000 VA 3000 W / 5000 VA STB5K (Backup box) Max input/output current Nominal AC voltage AC voltage range Operating ambient temperature range Power consumption Dimensions (W x H x D) Mounting method Weight * The AC voltage ranges from 180 Vac to 250 Vac when the operating ambient...

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