Product Introduction:
A Solar Energy Storage System (ESS) is an integrated solution that combines solar photovoltaic (PV) panels with energy storage devices, typically batteries. The primary function of a solar ESS is to store the electricity generated by solar panels during the day and release it when needed, such as at night or during periods of high electricity demand.
The system consists of several key components. Solar PV panels capture sunlight and convert it into direct - current (DC) electricity. A charge controller regulates the charging process of the batteries to prevent over - charging and over - discharging. The batteries store the DC electricity, and an inverter converts the stored DC power into alternating - current (AC) electricity, which can be used to power various electrical appliances and equipment.
Advantages
Energy Independence
Solar ESS allows users to reduce their dependence on the traditional power grid. By storing excess solar energy, they can use it during times when solar generation is insufficient, such as at night or on cloudy days. This provides a reliable source of electricity, especially in areas with unstable grid supply.
Peak Shaving
During periods of high electricity demand, the cost of electricity from the grid is often higher. A solar ESS can discharge the stored energy during these peak hours, reducing the need to draw power from the grid at high - cost rates. This helps users save on their electricity bills.
Grid Support
Solar ESS can contribute to the stability of the power grid. It can store excess electricity during off - peak hours when there is low demand and feed it back into the grid during peak hours. This helps balance the supply and demand of electricity, reducing the strain on the grid and improving its overall efficiency.
Environmental Benefits
By maximizing the use of solar energy and reducing reliance on fossil - fuel - based power generation, solar ESS helps to reduce greenhouse gas emissions. It promotes the use of clean and renewable energy, contributing to a more sustainable environment.
Backup Power
In the event of a power outage, a solar ESS can provide backup power to essential appliances and equipment. This ensures the continuity of critical functions in homes, businesses, and industries, enhancing safety and reliability.
Applications
Residential Use
In homes, solar ESS can store excess solar energy generated during the day for use at night. It can power lights, refrigerators, air - conditioners, and other household appliances, reducing electricity costs and providing a reliable power supply.
Commercial Buildings
Commercial establishments such as offices, shops, and restaurants can benefit from solar ESS. It can help manage peak electricity demand, reduce energy costs, and provide backup power during outages, ensuring uninterrupted business operations.
Industrial Facilities
Industrial sites often have high and fluctuating electricity demands. Solar ESS can be used to store energy during low - demand periods and release it during high - demand periods, optimizing energy consumption and reducing costs. It can also provide backup power for critical manufacturing processes.
Remote and Off - Grid Areas
In remote locations where grid connection is difficult or expensive, solar ESS can be a standalone power solution. It can provide a reliable source of electricity for communities, schools, clinics, and other facilities in these areas.
| Model | ESSC0500B-1075 | ESSC1000B-2150 |
| AC data | ||
| Rated power (kW) | 500 | 1,000 |
| Rated voltage (V) | 400 | |
| Rated current (A) | 722A | 1,445A |
| Voltage range (V) | 320V-460V | |
| Rated frequency | 50/60Hz | |
| Frequency Range | 45-55/55-65Hz | |
| THDi(on-grid) | <3% | |
| THDu (off-grid) | ≤ 1% linear; ≤ 5% non-linear | |
| Power factor | 1 (0.8 leading ~ 0.8 laging can be set) | |
| Overload capacity | 110% Long term | |
| AC output | 3W+N+PE | |
| Isolation transformer | 315/400 | |
| On -grid off-grid switching | Support | |
| PV data | ||
| Max.PV input voltage (V) | 1,000 | |
| Max. PV power (kW) | 600/660/720 | 1,200/1,320/1,440 |
| MPPT operating voltage range (V) | 250~850 | |
| MPPT full load voltage range (V) | 450~850 | |
| Buck-boost mode | Support | |
| Battery data | ||
| Cell type | 3.2V/280Ah/1C, LFP | |
| Nominal voltage(V) | 768V/1P240S | |
| Nominal energy (MWh) | 1.0752 | 2.1504 |
| Working voltage range (V) | 672~850V | |
| Max. charge and discharge rate | 0.5C@25℃ | |
| Cycles | ≥5000 | |
| System data | ||
| Dimensions W *D *H (mm) | 6,058×2,438×2,896 | 12,192×2,438×2,896 |
| Net weight (kg) | 21,000 | 38,000 |
| Operating temperature (℃) | 0 ～ +45 | |
| Relative humidity | 0 ~95%(non-condensing) | |
| Ingress protection | IP54 | |
| Noise emission (dB) | <75dB | |
| Operating altitude | 3,000m | |
| Cooling | Intelligent air cooling | |
| Fire extinguishing system | FM200/NVEC1230 | |
| Display | Touch LCD display+cloud platform | |
| EMS communication | RS485,TCP/IP | |
Q1: What types of batteries are commonly used in solar ESS?
A: The most commonly used batteries in solar ESS are lithium - ion batteries, lead - acid batteries, and flow batteries. Lithium - ion batteries are popular due to their high energy density, long cycle life, and relatively low self - discharge rate. Lead - acid batteries are more affordable but have a shorter lifespan and lower energy density. Flow batteries are suitable for large - scale applications and offer long - term durability.
Q2: How long can a solar ESS store energy?
A: The storage duration of a solar ESS depends on the battery capacity and the power consumption of the connected load. Small - scale residential systems may be able to store enough energy to power essential appliances for a few hours to a day, while larger commercial or industrial systems can store energy for longer periods, sometimes several days.
Q3: Can a solar ESS be expanded in the future?
A: Yes, many solar ESS are designed to be scalable. Additional batteries or other components can be added to increase the storage capacity and power output of the system as the energy demand grows.
Q4: What is the cost of a solar ESS?
A: The cost of a solar ESS varies depending on the system size, battery type, and other components. Small - scale residential systems can cost a few thousand dollars, while large - scale commercial or industrial systems can cost hundreds of thousands or even millions of dollars. However, the cost is gradually decreasing as the technology advances.
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