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  • The Coming Of Age Of High-Efficiency Micro Inverters
    • January 06. 2022

    With the gradual development and improvement of the household market, the advantages of micro inverters in terms of safety have received more and more attention. Micro inverter system adopts full parallel circuit design, which can give priority to inverting the DC power of each module into AC power and then connect to the grid, only about 60V DC voltage exists, which has the advantage of natural n...

  • Classification of Photovoltaic Inverters
    • January 21. 2022

    Energy storage system integrate the functions of grid-connected photovoltaic power generation + energy storage power stations, storing electricity when it is in surplus and inverting the stored electricity to output to the grid when it is in shortage, playing the role of peak shaving and valley filling, which is one of the main development directions in the future. The PV inverter is the control c...

  • Solar PV Water Pumping System
    • January 26. 2022

    The basic principle of "PV Water Pumping System", also called "Solar PV Water Pumping System", is to use solar cells to directly convert solar energy into electrical energy, and then drive all kinds of motors to drive the water pump to carry water from deep wells, rivers, lakes, ponds and other water sources. It has many advantages such as no noise, fully automatic and high reliability, and good a...

  • PV Off-grid System Configuration Points Introduction
    • February 11. 2022

    PV modules, off-grid inverters (including PV chargers/inverters), energy storage batteries (lead-acid/GEL/lead-carbon/tertiary lithium/LiFePo4, etc.), PV mounts, cables, and distribution boxes are all important components of off-grid PV systems. The biggest difference between off-grid systems and on-grid systems is that on-grid systems take investment income as the premise of calculation, while of...

  • The differences between mono-crystalline and poly-crystalline
    • February 18. 2022

    At present, PV modules are mainly made of mono-crystalline silicon wafers and poly-crystalline silicon wafers, so should I choose mono-crystalline or poly-crystalline silicon? What is the difference between them? 1.Appearance From the appearance of the above, the four corners of the mono-crystalline silicon cells show a rounded shape, no pattern on the surface. While the four corners of poly-cryst...

  • How to calculate the module power of PV off-grid system?
    • March 03. 2022

    The module power is confirmed according to the daily power consumption of the customer. The design principle of the module is to meet the daily power demand of the load under average weather conditions, which means that the annual power generation of the solar module should be equal to the annual power consumption of the load. Because weather conditions are below and above average, solar modules a...

  • 0.2 ¥/W premium! N-type modules open a new era of photovoltaic
    • March 18. 2022

    In recent years, PERC cell efficiency space is gradually exhausted, in the background of rising costs of materials, transportation, land, etc., further improve the conversion efficiency, reduce system costs, accelerate N-type technology iteration and upgrade, is becoming the first choice for PV companies to occupy the competitive advantage of the industry chain. The reason for the existence of a l...

  • P-type? N-type? The future of PV module technology from system economics
    • April 01. 2022

    Looking back at the development of the PV industry, the technology update and iteration of the cell is the core. The three cell technologies that have been discussed more are Top-con, PERC and HJT. In terms of technical difficulty, Top-con and HJT are higher and PERC is lower. PERC has been used in a large number of mature applications in the industry, and the production cost is relatively low, wh...

  • "N-type" type era ---- HJT or TopCon?
    • April 01. 2022

    As solar cell conversion efficiency continues to improve, P-type solar cells are approaching the efficiency limit of 24.5%, and fail to completely solve the phenomenon of light decay generated by P-type silicon wafer-based cells, these factors make it difficult to have further development of P-type silicon cells. "The year 2022 is widely considered to be the first year of v"N-type" modules. 1.N-ty...

  • The BIPV era has arrived
    • April 22. 2022

    The most effective way to control carbon emissions is to replace traditional energy sources with clean energy sources and promote the transformation of energy structure as soon as possible. Among the various types of clean energy, the rapid progress of photovoltaic technology in the past decade has led to a rapid decline in the cost of photovoltaic power generation, making it the most economical a...

  • Solar Power and the Benefits of Solar System
    • September 09. 2022

    The sun is full of energy and solar energy comes from sunlight that reaches earth! The amount of sunlight that reaches earth varies depending on location, time of day, time of year, and weather conditions. The sun has produced energy for billions of years! This means solar energy has been used by people for hundreds of years to cook food, keep warm, and to dry clothes. Today, it is also used to&nb...

  • What is the microinverter?
    • September 26. 2022

    The formal name of microinverter is "photovoltaic microinverter", which refers to the inverter with power ≤1000W and component-level MPPT in the solar system. According to the number of solar panel modules connected by the microinverter, the current products are mainly divided into three types:  the microinverter connecting one solar panel, the microinverter connecting two solar panels, and t...

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