Central Inverter Designed for Residential and Small Commercial PV Installations
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- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 carton
- Supply Capability:
- 20000 carton/month
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EA4KDL/EA4K6DL/EA5KDL/EA6KDL
EA4KDL / EA5KDL / EA6KDL is designed for residential and small commercial PV installations. This inverter has dual input section to process two strings with independent MPPT, high speed and precise MPPT algorithm for real-time power tracking and energy harvesting, as well as transformerless operation for high performance efficiencies of up to 97.5%. The wide input voltage range makes the inverter suitable to low power installations with reduced string size. This outdoor inverter has been designed as a completely sealed unit to withstand the harshest environmental conditions.
● Transformerless, maximum efficiency up to 97.5%
● Dual input sections with independent MPP tracking, allows optimal energy harvesting from two sub-arrays oriented in different directions
● Wide MPPT range, convenient for module configuration
● High speed and precise MPPT algorithm for real time power tracking and improved energy harvesting
● High reliability with full protective functions
● Ideal for outdoor installations
● Water-proof direct plug-in terminals
● Multilingual LCD, easy to operate
● Integrated multi-communication interfaces, easy to monitor
● TÜV, AS4777, CE, CQC certification
Specification/Type | EA4KDL | EA4K6DL | EA5KDL | EA6KDL |
Input (DC) | ||||
Max DC Power | 4400Wp | 5000Wp | 5500Wp | 6600Wp |
Max DC Voltage | 520V | 520V | 520V | 520V |
Recommend PV Array DC Voltage | 480V | 480V | 480V | 480V |
Full-load MPPT Voltage Range | 180-420V | 180-420V | 180-420V | 180-420V |
Number of Independent MPPT | 2 | 2 | 2 | 2 |
Max DC Current for Each MPPT | 12A | 14A | 15A | 18A |
Number of DC Inputs | 4(2 for each MPPT) | 4(2 for each MPPT) | 4(2 for each MPPT) | 4(2 for each MPPT) |
MPPT Efficiency (Static) | 99.5% | 99.5% | 99.5% | 99.5% |
Output (AC) | ||||
Nominal AC Power | 4000W | 4600W | 5000W | 6000W |
Nominal AC Voltage | 230Vac | 230Vac | 230Vac | 230Vac |
Nominal AC Current | 18A | 20A | 22A | 26A |
Nominal Frequency | 50Hz/60Hz | |||
Frequency Tolerance Range | 47.5-50.2Hz/57.5-60.2Hz | |||
Distortion (THD) | ＜3% (at rated power) | |||
Output DC Current Injection | ＜0.5% (at rated current) | |||
Power Factor (Cos phi) | ＞0.99 | |||
Number of Grid Phases | 1 | |||
System Parameters | ||||
Max Efficiency | 97.6% | 97.6% | 97.6% | 98.6% |
Euro Efficiency | 97.0% | 97.0% | 97.0% | 97.3% |
Night Consumption | 0W | |||
Topology | Transformerless | |||
Acoustic Noise Level | 50dB(A) | |||
Operation Temperature Range | -20℃～+60℃ | |||
Relative Humidity | 4～100%(no condensation) | |||
Protection Type | IP65 | |||
Above Sea Level | 1000m | |||
Structure Parameters | ||||
Dimensions(W×D×H) | 450×200×540mm | |||
Weight | 25kg | 25kg | 28kg | 28kg |
Others | ||||
Communication | RS485,USB(Optional),Ethernet (Optional) | |||
Display | Wide-screen LCD | |||
· Q. What's lifetime of a UPS ?
Most plug-in UPS are workable for at least five years. We'd advise you to change the batteries every three to four years. For larger equipment, we maintain equipment for twenty years old and still going strong.
· Q. How to maintain a UPS ?
There are three simple methods: Never overload your UPS, never connect any home electronic devices such as cooling fan to your UPS. This may cause malfunction of your UPS. Discharge the battery in a consistent interval, once a month or once two months. You can do this by turning on the UPS without connecting the mains.
- Q:Can a solar inverter be connected to a backup battery system?
- Yes, a solar inverter can be connected to a backup battery system. This allows the excess solar energy generated during the day to be stored in the backup battery system for later use during times when there is no sunlight available, such as at night or during power outages.
- Q:How does a solar inverter communicate with other devices?
- A solar inverter communicates with other devices through various communication protocols such as Wi-Fi, Ethernet, Bluetooth, or RS-485. These protocols enable the inverter to connect and exchange data with devices such as monitoring systems, smart meters, batteries, or grid infrastructure. This communication allows for real-time monitoring, remote control, and efficient integration of solar power into the electrical grid or home energy management systems.
- Q:How does the voltage regulation affect the performance of a solar inverter?
- Voltage regulation plays a crucial role in the performance of a solar inverter. It ensures that the output voltage of the inverter remains stable and within an acceptable range, regardless of fluctuations in the input voltage. This stability is vital for the efficient operation of the inverter and the overall performance of the solar power system. Improper voltage regulation can lead to various issues such as increased power losses, reduced energy production, and potential damage to connected devices.
- Q:What is the impact of a solar inverter on the overall system cost?
- The overall system cost can be significantly impacted by a solar inverter. An essential component of a solar power system, the solar inverter converts the direct current (DC) generated by solar panels into alternating current (AC) for powering electrical devices or feeding back into the grid. The cost of a solar inverter varies based on its capacity, efficiency, and brand. Generally, more advanced and efficient inverters tend to be pricier. However, investing in a high-quality inverter can lead to long-term savings and improved system performance. Considering the size of the solar power system is important. Inverters have capacity limits, so selecting the right-sized inverter is crucial for optimizing energy production and system efficiency. An undersized inverter can restrict performance, while an oversized one may result in unnecessary additional costs. The quality and reliability of the inverter are also significant factors. A well-built and reliable inverter can minimize maintenance and repair expenses, ensuring a longer lifespan for the solar power system. Furthermore, advanced features like monitoring capabilities and grid integration functionalities can enhance system performance and provide valuable maintenance and troubleshooting data, though they may increase overall system cost. Additionally, the efficiency of a solar inverter can impact the overall system cost. Higher efficiency inverters can convert more DC power into usable AC power, increasing energy production and potentially reducing the number of required solar panels. This can result in cost savings in terms of panel purchase and installation. In conclusion, while the cost of a solar inverter is an important factor in overall system cost, it is crucial to balance it with considerations such as capacity, efficiency, reliability, and additional features. Investing in a properly sized, high-quality inverter can lead to long-term savings, improved system performance, and higher energy production, maximizing the value and benefits of a solar power system.
- Q:What is the role of a solar inverter in protecting the electrical grid?
- The role of a solar inverter in protecting the electrical grid is to efficiently convert the direct current (DC) generated by solar panels into alternating current (AC) that can be safely integrated and synchronized with the existing grid. This helps ensure the stability, reliability, and quality of the electricity being fed into the grid, preventing any potential disruptions or damages that could occur due to inconsistent or incompatible power inputs. Additionally, solar inverters also play a crucial role in monitoring and controlling the energy flow, protecting against grid faults, and providing necessary safety features like voltage regulation and anti-islanding to safeguard both the grid and the solar installation.
- Q:Can a solar inverter be used in a net metering system?
- Yes, a solar inverter can be used in a net metering system. In fact, a solar inverter is an essential component of a net metering system as it converts the direct current (DC) electricity generated by solar panels into alternating current (AC) electricity that can be used in homes and businesses. The excess electricity generated by the solar panels is fed back into the grid through the inverter, allowing for net metering and potentially earning credits or reducing electricity bills.
- Q:What is the role of a power optimizer in a solar inverter?
- The role of a power optimizer in a solar inverter is to maximize the energy output of each individual solar panel in a solar power system. It works by continuously monitoring and optimizing the performance of each panel, ensuring that it operates at its maximum power point. This helps to overcome shading, mismatch, and other factors that can negatively impact the overall system efficiency. By optimizing the power output of each panel, power optimizers enhance the overall energy production of the solar power system, leading to increased electricity generation and improved system performance.
- Q:Can a solar inverter be used with a solar-powered lighting system?
- Yes, a solar inverter can be used with a solar-powered lighting system. The solar inverter is responsible for converting the direct current (DC) produced by the solar panels into alternating current (AC) that is used to power the lighting system. This allows the solar-powered lighting system to operate efficiently and effectively.
- Q:What is the role of MPPT (Maximum Power Point Tracking) in a solar inverter?
- The role of MPPT (Maximum Power Point Tracking) in a solar inverter is to optimize the power output from a solar panel by continuously tracking and adjusting the operating point to ensure it operates at the maximum power point. This is crucial because the power output of a solar panel is affected by various factors such as temperature and shading, and without MPPT, the inverter would not be able to extract the maximum power from the panel, leading to reduced efficiency and output. MPPT algorithms monitor the voltage and current of the solar panel and adjust the load to match the optimal operating voltage, maximizing the power output and overall system performance.
- Q:Can a solar inverter be used with different types of grid support functions?
- Yes, a solar inverter can be used with different types of grid support functions. Solar inverters are designed to convert the direct current (DC) power generated by solar panels into alternating current (AC) power that can be used in homes or fed back into the grid. They can also have additional functionalities to support the grid, such as reactive power control, voltage regulation, frequency control, and anti-islanding protection. These grid support functions allow solar inverters to effectively integrate renewable energy into the existing power grid infrastructure.
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Central Inverter Designed for Residential and Small Commercial PV Installations
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 carton
- Supply Capability:
- 20000 carton/month
OKorder Service Pledge
OKorder Financial Service
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