Product Introduction:
Solar PV (Photovoltaic) battery storage is an integral part of a modern solar energy system. It serves as a bridge between the intermittent nature of solar power generation and the continuous energy demands of users.
The system consists of solar PV panels that convert sunlight into direct - current (DC) electricity. This electricity is then either used immediately to power electrical devices or sent to a charge controller. The charge controller regulates the charging process of the battery bank, ensuring that the batteries are charged safely and efficiently. The battery bank stores the electrical energy in chemical form. When needed, an inverter converts the DC power stored in the batteries into alternating - current (AC) power, which is compatible with most household and commercial electrical appliances.
Advantages
Energy Self - Sufficiency
Solar PV battery storage allows users to become more self - sufficient in terms of energy. By storing excess solar energy generated during the day, users can rely less on the grid, especially during peak - demand periods or at night when solar power is not being generated. This reduces the dependence on external energy sources and provides a sense of energy security.
Cost Savings
Over time, solar PV battery storage can lead to significant cost savings. Users can avoid purchasing electricity from the grid during peak - rate hours by using the stored solar energy. Additionally, in some regions, there are feed - in tariffs or net - metering programs that allow users to sell excess stored energy back to the grid, generating additional income.
Grid Resilience
During power outages, a solar PV battery storage system can continue to supply power to essential loads. This is particularly important for critical facilities such as hospitals, data centers, and homes with medical equipment. It provides a reliable backup power source, ensuring that operations can continue without interruption.
Environmental Benefits
Solar energy is a clean and renewable energy source. By using solar PV battery storage, more solar energy can be utilized, reducing the need for fossil - fuel - based power generation. This helps to lower greenhouse gas emissions and contributes to a more sustainable and environmentally friendly energy future.
Peak Shaving
Solar PV battery storage can help to reduce the peak demand on the grid. By discharging stored energy during peak - demand periods, it eases the strain on the grid infrastructure, which can lead to a more stable and efficient grid operation.
The use of Battery Energy Storage System (BESS) is also increasing in remote and off-grid communities, where they offer a reliable and cost-effective alternative to traditional diesel generators. These communities often rely on expensive and polluting diesel generators for their electricity needs, but battery energy storage systems can provide a clean and affordable source of power.
| 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 | |
Ground On Grid Solar System connects to grid, self consumption first, excess power can be sold to the grid.
Ground On Grid Solar System mainly consists of solar panels, grid tie inverter, brackets, etc.
Hybrid PV System can connect to grid, self consumption first, excess power can be stored in the battery
Hybrid PV System mainly consists of pv modules, hybrid inverter, mounting system, battery,etc.
Stand Alone PV System mainly used in remote off-grid community, military base, school, hospital.
FAQ
Q1: How long does a solar PV battery storage system last?
A: The lifespan of a solar PV battery storage system depends on the type of battery used. Lithium - ion batteries, which are commonly used in modern systems, typically have a lifespan of 10 - 15 years. Lead - acid batteries may last 5 - 10 years. However, proper maintenance and usage can extend the battery life.
Q2: Can I expand my solar PV battery storage system in the future?
A: In most cases, yes. Many solar PV battery storage systems are designed to be expandable. You can add more batteries to increase the storage capacity as your energy needs grow or as your budget allows. However, it is important to ensure that the existing system components, such as the charge controller and inverter, can support the expansion.
Q3: How much does a solar PV battery storage system cost?
A: The cost of a solar PV battery storage system varies depending on the capacity, brand, and type of battery. A small - scale residential system with a capacity of around 5 - 10 kWh can cost between $5,000 and $15,000, including installation. Larger commercial or industrial systems can cost significantly more. However, government incentives and rebates may be available in some regions to offset the cost.
Q4: Do solar PV battery storage systems require a lot of maintenance?
A: Generally, solar PV battery storage systems require relatively low maintenance. Lithium - ion batteries, for example, have a long cycle life and do not require regular watering like lead - acid batteries. However, it is still necessary to perform regular inspections of the system components, such as checking the battery temperature, charge level, and the functionality of the charge controller and inverter.
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