solar racking and tracking systems
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  • Precautions for color steel tile roof mounted photovoltaic
    Precautions for color steel tile roof mounted photovoltaic
    Color steel plate is generally used in light steel structure buildings, such as standardized workshops, warehouses, etc., according to its specifications, it is generally divided into angular color steel plate, right Angle locking type color steel plate and trapezoidal color steel plate. The light steel structure uses very light color steel tiles as the roof, which is also very large span, suitable for large-scale laying of photovoltaic modules. The colored steel shingles are made of a thin layer of metal-clad foam, which cannot be fixed to the photovoltaic module's support by traditional methods. Special "clamps" are required, the use of which will not damage the original structure, nor cause roof leakage or damage to the overall structure. According to different color steel tile type, can choose the corresponding clamps or support foundation. For angular and vertical locking type color steel tile, can directly use clamps as the basis of solar array, doesn’t affect its integrity, so these two forms of workshop roof is very suitable for roof distributed photovoltaic power station, and trapezoidal color steel tile roof because of the installation of solar array bracket will destroy the integrity of color steel tile, so there is a potential water leakage, Waterproof measures should be taken after installation in this way. The installation of photovoltaic modules on color steel tile are based on clamps, clamp is not heavy, therefore the requirements for roof bearing capacity are not high . Given the carrying capacity, if the PV modules are installed at the optimal Angle, multiple supports are necessary to increase the weight of the roof. In terms of safety, according to the optimal tilt Angle of the solar module array, the solar module array can’t be parallel to the roof, and extra wind pressure will be generated when the wind is strong which resulting in safety risks. To sum up, solar modules can only be tiled on the color steel tile roof, so the number of photovoltaic modules installed on the color steel tile roof is related to the area and bearing capacity of the roof.
    - Mar 27, 2023
  • KSENG KST solar tracking photovoltaic brackets
    KSENG KST solar tracking photovoltaic brackets
    In the early stage of photovoltaic development, PV brackets are mostly fixed structure, It's simple and low cost. With the removal of subsidies, the demand for power station profitability and efficiency is increasing, and the tracking bracket is becoming more and more important to the market. In the global photovoltaic market, the Middle East uses more than 80% of the tracking bracket, the United States about 80-90%, Europe about 60%.  Among them, the south of France and Spain have flat terrain and sufficient light resources, which is very suitable for tracking bracket. Compared to the fixed braket, the tracking bracket can increase power generation by more than 15%. The proportion of Central African and North African markets also exceeds 60%. At present, the ratio of PV tracking bracket and fixed bracket is close to 4:6 in global market, It's expected that by 2025, the ratio will be 5:5, or even more. But in China, the figure is less than 10 percent. In order to follow the development of the times,Kseng launched a new product line of solar tracking systems in early 2021. KST series includes: KST-1P One Portrait Horizontal Single-axis Tracker, KST-2P Double Portrait Horizontal Single-axis Tracker, KST-2PM Multi-drive--double Portrait Horizontal Single-axis Tracker. Compared with fixed bracket, tracking bracket has higher requirements in both software and hardware. Therefore, the following four points need to be made: 1.Smart AI algorithm Intelligent control system. The biggest difference between the tracking bracket and the fixed bracket is that the tracking bracket has a unique tracking control system, which not only protects the tracking bracket, but also tracks the sunlight according to its location. At the same time, self-learning optimization and adjustment tracking should be carried out according to different topography, installation error, weather and season, so as to ensure higher power generation. KST series uses "astronomical algorithm + closed-loop control" and "AI algorithm" to realize intelligent tracking, maximize the power generation of the PV power station. 2.Passed CCP wind tunnel test Structure stability. Compared with the fixed bracket, the frequency and damping ratio of the tracking system is lower, so the structural design has higher requirements for the stability. By cooperated with CPP Wind Engineering, Kseng combined with the frequency and damping ratio characteristics of the KS-tracker system, studied the results of resonance, flutter, gallop and torsional divergence of the system, analyze the influence on the system operation process and the instability characteristics. 3. Adapt to 210mm modules With the continuous updating of modules, as an important link in the PV industry chain, now the tracking system has fully entered the era of 210mm modules, with seamless support and collaboration, more mature industrial chain and more complete ecology. 4.Quick maintenance KST tracking system equipped with driving m...
    - Mar 21, 2023
  • Advantages of KSENG aluminum alloy solar mounting
    Advantages of KSENG aluminum alloy solar mounting
    Photovoltaic industry is a sunrise industry based on semiconductor technology and new energy demand, and the high ground of the future global advanced industry competition. PV mounting system is one of the critical component of photovoltaic power station. As the support system of solar modules, it is a reliable guarantee to maximize the utilization of photovoltaic energy. According to the different materials, mounting structures usually divided into: Ordinary steel structures and new aluminum alloy structures. The mounting structures exported by Kseng every year are mainly in aluminum alloy. The advantages of aluminum alloy solar mounting structure includes: ①.Anti natural corrosion: Aluminum placed in the air forms a dense protective layer of aluminum oxide on top, which prevents further oxidation. ②.Anti galvanic corrosion: When the steel bracket and solar panel in contact, aluminum panel frame is prone to galvanic corrosion, while the aluminum bracket avoids this phenomenon. ③.Keep voltage balance: The excellent electrical conductivity of aluminum, can better conduct the weak current generated by various reasons in the PV mounting system. ④.Easy forming: Aluminum products with different section shapes can be easily obtained by extrusion process with different dies. ⑤.Easy machining: Aluminum profiles can be easily sawed, drilled, punched and folded to the required specifications, and the energy consumption of the process is much lower than that of steel. ⑥.Low temperature resistant: Ordinary steel, especially the welding area, is fragile and brittle in low temperature, while the strength of aluminum alloy material increases.
    - Mar 15, 2023
  • Kseng KSM fixed-adjustable mounting system
    Kseng KSM fixed-adjustable mounting system
    For the “carbon peaking and carbon neutrality goals”, Kseng has formed a complete product line in PV mounting system after years of efforts , from fixed system, to fixed-adjustable system, and then to tracking system. So let's talk about the Kseng fixed-adjustable series. After years of updating and iterating, Kseng KSM fixed-adjustable mounting system upgrade to newest KSM-SA and KSM-MA fixed-adjustable system in 2021. Compared to the traditional fixed system, KSM series with more reasonable structure, better cost, higher adjustable precision and generating efficiency, wind resistance performance is more stable as well. The main structure of Kseng KSM series with large size section in the industry, increase system frequency and damping ratio, which effectively reduce the amplitude and deflection, and greatly improve the wind resistance. Adjustment mode can be selected as "stepless adjustment" and "step adjustment" according to customer's requirement. High adjustment precision, high operation and maintenance efficiency, easy for one-person adjustment. KSM fixed-adjustable system has strong terrain adaptability and flexible arrangement. The east and west can adapt to 20% slope, make full use of irregular land and improve land utilization rate. The north and south slope is unlimited, and various of component layout schemes can be adopted. KSM fixed-adjustable system adopts maintenance-free adjustable mechanism, select international first-class brand bearings, self-lubrication, UV resistance, service life of up to 25 years. Xiamen Kseng Metal Technology Co., Ltd. is a national high-tech enterprise, and quality PV mounting enterprise in domestic as well. At present, Kseng owns more than 100 patents, and its products have obtained many authoritative certifications of international standards. Our products are exported to more than 100 countries and regions at home and abroad, and the business scope covers the world. We will continue to innovate in product structure and system performance, provide high quality products and more professional service for our customers.
    - Mar 07, 2023
  • What are the differences between centralized and distributed photovoltaic power generation?
    What are the differences between centralized and distributed photovoltaic power generation?
    Distributed photovoltaic power stations are generally built on the residential roof, industrial roof and vegetable greenhouses to make full use of space. Centralized photovoltaic power stations to make full use of abandoned land resources, mostly built in desert and Gobi areas . Similarities between distributed PV power stations and centralized PV power stations: ① Same principle, use solar energy to convert into electricity, and then connect the generated electricity to the grid for production and domestic use. ② Same modules, It is common to use monocrystalline silicon panels or solar films. ③ Use same equipment, which includes inverters, transformer, combiner box etc...... The function of the inverter is to convert the generated direct current into alternating current. The role of the transformer is to convert the inverter to AC voltage boost. The function of combiner box is to gather the DC power of the solar panels and transfer if to the inverter uniformly. Differences between distributed PV power stations and centralized PV power stations: Ⅰ.Different installation site: Distributed photovoltaic power stations are mostly installed on roofs and agricultural greenhouses, mainly in the personnel concentration of north and south China. Centralized photovoltaic power stations are mostly built in desert and Gobi areas, mainly installed on relatively remote and desolate, where the land is relatively cheap. Ⅱ.Different secondary equipment: Distributed photovoltaic power stations are used less primary and secondary equipment because the low voltage grid connection. Inverters are generally wall mounted, It’s easy to install and small in size, transformer are small size as well. Common use of power quality monitoring, anti-island protection devices, etc., equipment requirements and technical parameters are also different according to different regions . Ⅲ.Different transport distance: Distributed photovoltaic is connected to the local grid, there’s little or no loss of line. Replenishment of local power supply for use by local and nearby users. As the higher voltage level, Centralized photovoltaic power station usually has its own substation. Inverters with large size are usually installed in the sub-station room. The booster function is completed by the box transformer. There are more equipment in the booster station. The primary equipment includes station transformer, switch cabinet, various transformers, arc suppression coil, main transformer and so on. The secondary equipment includes microcomputer protection, watt-hour meter, dispatching data screen and so on. Dispatching directly implements centralized management of the power station. At the same time, the station also needs a power control system etc., which is much more complicated.
    - Feb 28, 2023
  • What are the benefits of solar carport mounting system?
    What are the benefits of solar carport mounting system?
    Photovoltaic power generation system is a power generation system that uses solar cells to convert solar energy directly into electric energy. Its main components are photovoltaic modules and inverters. Its characteristics are high reliability, long service life, no environmental pollution, independent power grid operation. It is favored by enterprises of various countries and has broad prospects for development. The solar photovoltaic carport mainly includes photovoltaic modules with carport roof,, which can not only meet the parking needs, but also power the grid through photovoltaic power generation, increase income, energy saving and environmental protection. Photovoltaic carport is mainly composed of bracket system, battery module array, lighting and control inverter system, charging device system and lightning protection grounding system. The system mainly includes a support post fixed between support post, a tilt beam connected to a tilt beam that supporting a solar cell module array, and a fastener fixing a solar cell module array, etc. Photovoltaic carport brackets has a variety of types, conventional can be divided into single post unidirectional,double post unidirectional , single post bidirectional type. Photovoltaic carport types are divided into double parking carport, multi-parking carport, most are modular design, can be used alone, can also be used in a variety of ways, easy to expand, from a few parking Spaces to hundreds of parking Spaces, strong flexibility. If ordinary photovoltaic modules are used, the overall cost is lower. Large installed capacity, high rate of return, short payback period. The simplest way to combine photovoltaic with architecture has become more and more popular in recent years. Photovoltaic shed good heat absorption, easy installation, low cost, not only make full use of the original site, but also provide green energy. The construction of photovoltaic carport in factory parks, business districts, hospitals and schools can solve the problem of high temperature inside outdoor parking lots in summer. By installing a system of photovoltaic modules on a sunny roof, the solar energy can be converted into electricity, which can be used to supply residential electricity or industrial electricity in factories. Rooftop power generation is different from traditional centralized ground-based photovoltaic power generation. It has the characteristics of miniaturization, dispersion, economy, high efficiency and reliability. Distributed photovoltaic power stations can be installed in sunny places, such as industrial plants, residential roofs, balconies, sun rooms, ground. Combining PV modules with the roof of the carport can save costs compared to installing PV modules on the roof of the carport. It can realize all the functions of the traditional carport, and can generate electricity to bring benefits to the owner. The universal steel structure bracket is simple, generous, fashionable and beautiful. It is a clean and...
    - Feb 20, 2023
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