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Installing a group of solar panels on the roof and building a small power station not only meets its own needs, but also allows excess electricity to go online. This kind of distributed solar power plant that is ready for use is the dream of many civilians. However, in order for the dream to become a reality, it is necessary to overcome the obstacle of current conversion: solar panels emit direct current and need to be converted into alternating current by means of an electric power adjustment device—inverter. The traditional photovoltaic power generation system uses a tandem type of centralized inverter, that is, about 10 panels are connected in series and integrated into one inverter for conversion; if there is a panel affected by clouds, leaves or dust, snow and ice Such shading can not work well, and then affect all the panels, power generation efficiency will be greatly reduced, the cost of solar power will also increase - this bottleneck has seriously hampered the development of distributed solar energy.
The smart micro-inverter developed by LeadSolar in the lead by Wuxi Link Solar Energy Technology Co., Ltd. provides an effective solution to overcome the bottleneck mentioned above.
Located in Wuxi Taihu Science and Technology Park, Linked Solar Energy was founded by several returnees who have long been working in the fields of smart grid research and development and power electronics in the US to develop solar smart micro-inverters and smart grid solutions. According to Qiu Qi, general manager, they focused on the drawbacks of large-scale photovoltaic power plants and traditional inverters, and carried out many original technological innovations on the basis of the introduction. The smart micro inverters developed with independent intellectual property rights not only have international Leading conversion efficiency, but also makes the smart grid possible.
“Each solar panel is connected to a LeadSolar micro-inverter and is an independent power station. The generated DC power is converted into low-noise, high-stability AC AC power transmission on the power grid. When the power station has a panel Failure will not affect other panels, and the overall power generation efficiency of the system can be increased by 15% to 25%.†Qiu Qi said, at the same time, the LeadSolar micro-inverter is equipped with an intelligent sensing and control system that can collect The current, temperature, output power, and operating status of the battery pack are transmitted to the smart gateway in the form of a current carrier. The gateway then transmits the data collected by each component to the linked data center through the network. “In this way, each grid worker can use computers, mobile phones and other devices to monitor the working status of the solar grid through the Internet. The staff can also remotely control the working status of each component, control the output power of the grid, and detect the fastest time And remotely solve the failure of the battery assembly, according to the alarm to provide targeted maintenance services."
According to reports, LeadSolar smart micro-inverter has four major advantages. The first is to save upfront investment: it turns each battery group into a separate micro power plant, and photovoltaic companies can install it on existing facilities such as telephone poles, roofs, balconies, and building side facades. Greatly reduce the cost of project construction; Second, reduce the operating and maintenance costs. The LeadSolar micro-inverter equipped with power sensors and controllers has two-way long-distance communication capabilities. The monitoring system will quickly detect the problematic panels and immediately isolate them without affecting the normal operation of other panels; the third is system operation. The reliability has been significantly improved. The LeadSolar micro-inverter can realize remote monitoring. The staff can adjust the power according to the power situation and the load state of the grid through the linked remote automatic control system, which improves the stability and safety of the power grid. Extended installation. In the case of limited capital investment, users can purchase and install in batches according to the funds, and can expand at any time when conditions are ripe. Moreover, today's installation will power the grid tomorrow.
“From the perspective of the history of the development of photovoltaic power generation in the world, distributed solar power plants are the trend of the times and the domestic market potential is even greater.†Qiu Qi said, “Cooperating with domestic photovoltaic companies and power companies to build solar smart grids in cities Let ordinary people use clean solar energy - I believe this dream will become a reality in the near future."
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