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- Products Introduction
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- Dual-axis tracking PV (agricultural greenhouses) system is the third-generation tracking system of Tonking Group. The system has made significant improvement on the basis of the first and second generation systems. Not only does it achieve the "East-West, South-North" two-way tracking, but also improve 25%-30% power generation. Cleverly combined with the overall truss structure, Tonking has designed agricultural greenhouses, effectively solve the phenomenon of land waste and abandonment in winter of south China, further improving the utilization rate of land and promoting harmonious development of the PV power station and agriculture to a new height.
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Video Introduction
- Top 10 Advantages
- Perfect combination with Huawei smart pv solution, simple design, flexible connection and low operating costs.
ENSURE 25-YEARS RELIABILITY AND GUARANTEE:
- PV module mounting rack operating process employs field assembly line and integral hoisting mode, which will not damage the module or the rack. In this method, it could greatly reduce the requirement for the worker’s technical ability, and improve the installation efficiency.
INDUSTRIALIZED INSTALLATION MODEL:
- The AC/DC cable is lied in the square tube of the truss in the air, significantly lower the amount of the cable，line loss and land excavation operation cost.
REDUCE THE AMOUNT OF CABLE AND LINE LOSS:
It does not need armour-class cable, and reduce the requirement for the cables. - The special installation method does not need AC-DC Combiner Box, in this case, it reduces the installation workload and investment costs. Meanwhile, non-fuse structure improves the stability of the PV power station.
NON-FUSE STRUCTURE:
- Tonking‘s tracking system are insulated from different PV panels by smart design, in this case, it finally reduce the attenuation of panels.
Anti-PID:
- The special design of system could fit slope up to 15 degree, and realize the possibility of constructing PV power plant according to the terrain types.
Terrain flexible:
The continuous truss structure could prevent damages such as PV module deformation, which is caused by ground displacement of geological subsidence, contraction or variation. - Tonking group dual-axis PV tracking system employs truss structure which are placed on the ground directly without excavating land or grouting foundation, which reduces greatly the system investment and installation costs.
KEEP ORIGINAL LAND NATURE:
- When climate is right, control center can remotely control the dip-angle sub-driving system to elevate solar panel, in order to allow rain drop washing away the dust accumulated on top of the solar panel while watering the plants under it. In place where dust is not too heavy, there is no need for operator to clean the panel.
EASY TO CLEAN THE DUST:
- Tonking solar dual-axis tracking system can adjust itself to the optimum safe mode automatically to avoid PV module damage by ice, hail or gale. Overhead cable arrangement prevents it from damaging by small animal or geological changes. Control systems and string inverters are hoisting about 1.5m height of dual-axis racks, reducing the water vapor, floods and other damages to the ground PV power station. Using centralized grid lightning protection technology to prevent lightning stroke effectively
SAFE AND RELIABLE:
- Tonking dual-axis tracking control system uses the most common and reliable combination of PLC, motor and reducer to ensure the reliability of the dual-axis tracking system. Simple Replacement brings the convenience of maintenance, and general technical workers could replace and repair it by themselves. While overhead cable arrangement also brings convenience for repairing and replacing the cable.
EASY TO REPAIR AND MAINTAIN:
- Product performance
- Tonking group has more than 40 self-developed patents, among them, tracking system has been appled for PCT and international patents. The rotation of PV module subsystem in east-west direction and north-south direction are controlled according to sun’s astronomical coordinates to realize tracking sun's movement completely and real-time and to achieve smart control on PV dual-axis tracking. It can ensure that PV module always stay at the best irradiation angle to accept sunlight and increase the conversion efficiency of PV by 25%- 30%.
Independently developed and designed, realize all directions and real-time tracking
- Using special rope on one end of PV array panel to control pulling, it not only increases the stability of PV panel but also helps for freely tracking rotation, and it has fundamentally solved the issues on wind shock and tracking system's life, improving system strength and wind resistance ability.
Use mutually connected and supported truss structure
- Tonking Group's Smart PV Plant has combined solar power with modern agriculture, seedling planting, herbal planting, tourism and education to realize multiple usages of lands to increase agriculture's output and reduce electricity cost. There are no permanent buildings on the entire PV power plant construction, so it does not change the nature of land use. It also plays an active role in preventing water and soil erosion and improving land comprehensive use efficiency. In southern China, the temperature can be very high. The PV modules help block 30% of the sunlight to lower the temperature and create a micro-climate underneath. This increases the growing cycle of the crops by 20%, makes the crop roots stronger, and enriches the content of trace elements, thereby greatly increasing the product quality. Facts have proved that agriculture-PV complimentary power plant does not affect land yield.
Truly realize Agriculture-PV complimentary model sand solve the construction land problem of PV power plant.
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Technical parameters（TD30-GA）
Project Unit Parameters Capacity KW 3-81 Weight/rack Kg 500(About) Size mm 7000*5000*3870（Customizable） Tracking range （°） ±30～45 Tracking Accuracy （°） ±2 Operation wind speed(Max.) m/s 25 Wind load(Max.) m/s 55 Snow load kN/m2 >1.4 System Energy Consumption % 0.1 Working temperature ℃ -40～70 Scope / Without geographical restrictions Life Year ≥25
- Project case
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JIANGSHAN FENGLIN PV POWER STATION 30MWThe project is located in Fenglin town, Jiangshan City, Zhejiang Province, the new-type dual-axis tracking system is independently developed and designed by Tonking Group. The first phase 30MWP project has a total investment of RMB 240 million, and covers an area over 130 acres with annual generation of 40 million kwh, and will save 320K tons standard coal during its life cycle. This PV Plant was commissioned at the end of Aug 2014 and was connected to the grid in Sep 2014.
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