Floating solar mounting brackets are the basic part of pv floating plant.And it is generally made from HDPE(high density polyethylene).As one of the solar panel mounting method,floating solar mounts should be adopted under the condition of at least 0.5m water depth,wind speed less than 45m/s,water flow speed is less than 2m/s,and snow load is not more than 0.42kn/m2.Apart from these factors,proper anchoring systems are the musts for the floating pv plant.Pile anchoring and sinking anchoring are basic ways.
Main Equipment Schematic of the system
|
Item no. |
Part name |
picture |
Item no. |
Part name |
picture |
|
1 |
Main floater |
|
7 |
Rear supporting leg |
|
|
2 |
Equipment floater |
|
8 |
clamp |
|
|
3 |
Walkway floater |
|
9 |
Fixing plate |
|
|
4 |
Connecting floater |
|
10 |
North-south anchor truss |
|
|
5 |
Small walkway floater |
|
11 |
East west anchor truss |
|
|
6 |
Front supporting leg |
|
12 |
Special bolt and nut |
|
Breakwater calculation
1. Design water level
Extreme high water level (once in 50 years): 5.88m
Design high water level: 4.30m
Design low water level: 0.50m
2. Design waves
Under extreme high water level + return period of 50 years, the maximum H1% wave height in each direction at the entrance is 4.97m, and the corresponding H13% wave height is 3.65m. The maximum H1% wave height of each point in the project area is 3.50m, and the H13% wave height is 2.64m.
3. Current terrain
The current bottom elevation of the project location is about -1.0~-2.0m,Under extremely high water level, the water depth is about 7~8m.
4. Wave permeability coefficient
Estimated based on 3.5m outside the embankment and 1.0m inside the embankment, about 0.3.
5. Water entry depth of the breakwater
2~3m
6. Breakwater width
About 0.5 times the wavelength, it is recommended to use 12m or 8m+8m model scale 1:20 For the test group, according to the wave data at point T2, the bottom elevation of point T2 is about -1.0m Water level Wave height H1% Period Wavelength
Extreme High 5.88 3.19 7.6 57
Design height 4.30 3.03 7.6 51
Properties of high density polyethylene(HDPE)
|
PROPERTIES |
Unit |
Value |
Test Method |
|
Melt Flow Rate |
|
|
|
|
@190°C85kg load |
|
0.45 |
|
|
@190°C&21.6kg load |
|
9.5 |
|
|
Density @ 23°C |
Kg/m |
954 |
IS0 1183 |
|
MECHANICAL PROPERTIES |
|
|
|
|
Tensile Modulus |
MPA |
1250 |
1S0 527-1,-2 |
|
Tensile Stress @ Yield |
MPA |
27 |
1S0 527-1,-2 |
|
Tensile Strain @ Yield |
% |
10 |
1S0 527-1,-2 |
|
Tensile lmpact Strength @-30°C (Notched) |
Kg/m |
92 |
IS0 8256 |
|
Hardness (Shore D) |
- |
60 |
IS0 868 |
|
FNCT(3.5 MPa,2 % lqepal BC/9,80°C) |
Hrs |
40 |
IS0 16770 |
Floaters array assembly
|
the square array into the water assembly |
|
(1) The orientation of the square array into the water can be based on the actual situation of the square array and the site, and the deployment can be comprehensively considered. After the assembly of the floating body small square array, it can gradually slide into the water from the slope of the bank. (2) When entering the water on the slope or the edge of the slope, the two sides of the phalanx need to use ropes for temporary fixing to prevent accidental automatic paddling into the water; The part that has entered the water is temporarily fixed with ropes to prevent it from drifting by the wind. (3) When the phalanx enters the water as a whole, deploy ships at each corner to pull the phalanx until the planned position, and use temporary anchoring system to temporarily fix it to prevent the phalanx from drifting on the water and colliding with the shore. (4) When the two square arrays are splicing, pull the subsequent square arrays to the corresponding position, and directly use special bolts and nuts between the floating body and the floating body to fasten the connection firmly as required. (5) The third square, the fourth square... Connect and fix all squares one after another, and install the anchoring system in time until all squares are installed. (6) All floating squares that have entered the water must be temporarily and effectively anchored using anchor ropes to prevent drifting from touching the shore or other unexpected circumstances leading to loss. (7) Finally, comprehensively check the phalanx system for abnormal conditions to ensure the overall safety, stability, unity and beauty. |
Why choose floating solar power system?
EPC cost equalizes to ground solar project.
Water surface usage:1MW floating solar projects will use 7500 square meters water surface
Site requirement:Water depth≥3m, wind speed≤200km/h.
Strategic Partners with Foner Solar
120 customers from more than 10 countries in the past 3 years.
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