Photovoltaic Module Selection

     Photovoltaic power generation system achieves the inverter's rated input voltage by connecting a large number of photovoltaic modules of the same specifications and characteristics in series to form a string, and then connecting several such strings in parallel to reach the system's predetermined rated power. Due to the large number of these devices, they must be arranged at certain intervals to avoid mutual shading, forming an array known as a photovoltaic power generation array. Among them, a circuit formed by connecting several photovoltaic modules of the same specifications and characteristics in series is a basic array unit.   

      Each photovoltaic power generation array includes battery modules of predetermined power, inverters, and booster distribution rooms. Several photovoltaic power generation arrays are connected through the electrical system to form a photovoltaic power station. Selecting suitable photovoltaic modules is crucial for the investment, operation, and benefits of the entire power station. Crystalline silicon remains the mainstream of current solar photovoltaic cells. Monocrystalline silicon cells are the earliest and most technologically mature solar photovoltaic cells, and they are also the most efficient among large-scale silicon-based solar cells.

Monocrystalline silicon cells are made by cutting and polishing monocrystalline silicon into wafers, followed by processes such as electrode printing and encapsulation. Mature technologies from the modern semiconductor industry, such as monocrystal pulling, cutting and polishing, printing and etching, and encapsulation, can be directly applied to monocrystalline silicon cell production. The efficiency of large-scale monocrystalline silicon cells can reach 13-30%. However, the cutting and polishing processes result in significant loss of silicon raw materials. Due to the shape limitations of monocrystalline silicon rods, monocrystalline silicon cells must be made circular, which also affects the arrangement of photovoltaic modules.

(1) Crystalline silicon cell technology is mature, with stable product performance and a long service life.

(2) Among commercially used solar cells, monocrystalline silicon has the highest conversion efficiency, followed by polycrystalline silicon, but the difference between the two is small.

(3) Crystalline silicon cell modules have an extremely low failure rate and are the simplest to operate and maintain.

(4) Using crystalline silicon photovoltaic modules in open spaces is simple and convenient to install, with compact arrangements that save space.

(5) Although amorphous silicon thin-film batteries have certain advantages in terms of price, low-light response, and high-temperature performance, their service life is relatively short.

Mangzhong Construction always adheres to the philosophy of "Creating brilliance through quality" and maintains the attitude of "Serving with heart, emotion, and intelligence." With strong technical R&D capabilities in solar power generation systems, engineering design expertise, and extensive project experience, the company strives to repay the trust placed in it by its customers.

Company Name: Jiangsu Mangzhong Construction Co., Ltd.

Business Scope: Photovoltaic power station EPC, solar power station investment

Company Landline: 025-5888 3737

Mobile Number: 159 5163 4545

Company Website: http://www.mangz.cn