250 Kw Solar Inverter - PV On-Grid Inverter with Good Quality from China
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- Shanghai
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Description:
CNBMSOLAR is a world-leading and Vertical integrated manufacturer of high-performance with Silicon,
Wafer, Cells, Modules, which convert sunlight into electricity for residential, commercial, and utility-scale
power generation.
The capacity of CNBMSOLAR is reach to 1GW, and make sure each year our shipment capacity is more
Than 700-800MWs, at the same time, we have set up the largest solar power station with our partner
in Ukraine.
CNBM is a Quality + Service oriented company with“Excellence at Each Step” approach, composed of
the finest components from TUV and IEC-certified partners around the world, CNBM modules consistently
undergo a variety of trials at the company’s Test & Development Centre, ensuring peak performance
capabilities. The company is committed to develop and provide the world with clean and renewable energy
to ease the energy shortages as well as human kind’s impact on the environment.
Data:
Isolation mode | No transformer | Rated power | 4（KW） |
Max. DC. Input power | 4.4（KW） | Max. Input voltage | 500（VDC） |
Max. Input current | 29.3（A） | MPPT range | 150～450（VDC） |
Rated AC output power(KW) | 4（KW） | Max. Output power | 4.2（KW） |
Rated Grid voltage(VAC) | 230 | Rated Grid frequency(Hz) | 50（Hz） |
Max efficiency | 97.10% | Euro efficiency | 96.40% |
Display | LCD | THD | <3% |
Power factor | ≥0.99 | MPPT Precision | 0.99 |
Communication interface | RS232;GSM | Electromagnetic compatibility | IEC61000-6-1/-2/-3/-4 |
Grid disruption | IEC61000-3-2/-3 | Grid detection | DIN VDE 0126 |
Overload operating | Automatically adjust the running peak | Internal consumption at night | 0（W） |
DC voltage ripple | Vpp < 10% | Protection class | IP65（outdoors） |
Anti-islanding protection | Vac；Fac | Cooling concept | Cooling method |
Operating temperature range | —25℃～60℃（>45℃drop） | Operating humid range | 0～95%（non-condensing） |
Dimensions(dxwxh) | 475*415*150mm | Weight | 20 （Kg） |
Altitude | 6000，>3000m start to drop |
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FAQ:Could you pls introduce more about CNBM ?
CNBM Group is short for China National Building Materials Group Corporation, which is established in 1984 with approval from the State Council
CNBM Group is the largest comprehensive building materials industry group in China
The Group has a total asset of over RMB 360 billion, more than 180,000 employees and 17 subsidiaries
- Q: How does shading impact the performance of a solar inverter?
- Shading can significantly affect the performance of a solar inverter. When certain parts of a solar panel are shaded, the overall power output of the system decreases. This is because shaded cells create resistive losses, reducing the current flow and overall efficiency of the inverter. Additionally, shading can cause a phenomenon known as the "partial shading effect," where the entire string of panels is affected even if only a small portion is shaded. To mitigate these issues, technologies like bypass diodes are used in solar panels to minimize the impact of shading and ensure optimal performance of the inverter.
- Q: How does a solar inverter handle power export limitations imposed by the grid?
- A solar inverter handles power export limitations imposed by the grid through a process known as grid-tied or utility interactive operation. It continuously monitors the grid's voltage and frequency, adjusting the power output of the solar system accordingly. If the grid is unable to accept additional power due to export limitations, the inverter will reduce the output of the solar system to ensure compliance with the grid's requirements. This allows for a smooth and safe integration of solar power into the grid, preventing any potential disruptions or overloading.
- Q: What is the lifespan of the warranty on a solar inverter?
- The lifespan of a warranty on a solar inverter can vary depending on the manufacturer and model. Generally, most warranties for solar inverters range from 5 to 10 years.
- Q: Are there any maintenance requirements for solar inverters?
- Solar inverters do have maintenance requirements, although they are generally reliable and require minimal upkeep. To ensure optimal performance and longevity, regular inspections and maintenance are still necessary. There are several common maintenance tasks for solar inverters. Firstly, it is important to regularly clean the inverter to prevent the accumulation of dust, dirt, and debris on its surface, which can potentially affect its cooling capabilities. This will help prevent overheating and ensure efficient operation. Visual inspection is also crucial, as it allows for the identification of any signs of damage, loose connections, or corrosion that may impact the inverter's performance. Regularly checking for firmware updates is another important task, as manufacturers often release updates to enhance the inverter's performance and functionality. Installing these updates will ensure the inverter operates at its best. Utilizing a monitoring system allows for continuous monitoring of the inverter's performance, enabling prompt identification of any abnormalities or issues. This enables quick maintenance or repair. Lastly, it is advisable to have a professional solar technician inspect and maintain the inverter at least once a year. They can conduct more comprehensive inspections, test the inverter's electrical connections, and troubleshoot any potential issues. By adhering to these maintenance requirements, solar inverters can continue operating efficiently and reliably, maximizing the benefits of solar energy production.
- Q: How does a solar inverter handle grid faults and disturbances?
- A solar inverter is equipped with various protective features to handle grid faults and disturbances. It continuously monitors the grid voltage and frequency, and in the event of a fault or disturbance, it reacts quickly to ensure the safety of the system and prevent any damage. The inverter's built-in protection mechanisms, such as overvoltage and overcurrent protection, allow it to disconnect from the grid when necessary. This protects the inverter and the solar panels from potential harm caused by grid faults. Additionally, some advanced solar inverters offer features like anti-islanding protection, which prevent the inverter from feeding power into the grid during a fault or disturbance, further ensuring the stability and reliability of the system.
- Q: Are there any limitations on the angle of the solar panels when using a solar inverter?
- Yes, there are limitations on the angle of the solar panels when using a solar inverter. The optimal angle for solar panels is typically determined based on the geographical location and the season. Deviating too much from the recommended angle can result in decreased energy production.
- Q: What is the difference between a string inverter and a microinverter?
- The main difference between a string inverter and a microinverter lies in the way they convert direct current (DC) from solar panels to alternating current (AC) for use in homes or businesses. A string inverter is a centralized device that connects multiple solar panels in a series or "string" configuration. It converts the combined DC power from the entire string into AC power. This means that if one panel in the string underperforms or is shaded, it can affect the overall performance of the entire string. On the other hand, a microinverter is a small inverter that is attached to each individual solar panel. It converts the DC power from each panel into AC power independently. This allows each panel to perform optimally, even if others in the system are shaded or experiencing issues. In summary, while a string inverter handles the conversion of power from multiple panels as a whole, a microinverter ensures each panel operates at its maximum potential independently.
- Q: How do you choose the right size of solar inverter for a system?
- To choose the right size of solar inverter for a system, several factors need to be considered. Firstly, you should determine the total capacity of the solar panels in the system. The inverter's maximum input power rating should be equal to or slightly higher than the total capacity of the panels. Additionally, the inverter's voltage rating should match the system's voltage requirements. It is also crucial to consider the inverter's efficiency, as a higher efficiency rating will ensure better conversion of solar energy into electricity. Lastly, it is advisable to consult a professional or use online calculators to accurately determine the appropriate size of the inverter based on the specific needs and requirements of the system.
- Q: How does a solar inverter affect the value of a property?
- A solar inverter can positively impact the value of a property by enhancing its energy efficiency and reducing electricity costs. This renewable energy technology is attractive to potential buyers as it provides clean and sustainable power generation. Additionally, having a solar inverter installed can increase the overall appeal and marketability of a property, making it more desirable in today's environmentally conscious market.
- Q: Are there any safety considerations when installing a solar inverter?
- Yes, there are several safety considerations when installing a solar inverter. First, it is important to ensure that the installation is carried out by a qualified professional who is trained in handling electrical systems. This helps minimize the risk of electric shock or fire hazards. Additionally, proper grounding and insulation must be implemented to prevent electrical faults. It is also crucial to follow the manufacturer's guidelines and local electrical codes to ensure the safe and efficient operation of the inverter.
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250 Kw Solar Inverter - PV On-Grid Inverter with Good Quality from China
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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