In the construction and operation of photovoltaic power stations, vegetation management under photovoltaic brackets is an important link. Laying weed-proof cloth is a common and effective method. Its main purpose is to prevent weeds from growing, thereby ensuring the efficiency and life of photovoltaic panels.
This article will discuss in detail why weed-proof cloth should be laid under photovoltaic brackets and what kind of weed-proof cloth is more suitable.
--Why should we lay weed-proof cloth under photovoltaic brackets?
1. Control weed growth: Weed-proof cloth can effectively prevent sunlight from shining on the ground, inhibit the photosynthesis of weeds, and thus reduce the growth of weeds.
Too many weeds will not only block the sunlight and affect the power generation efficiency of photovoltaic panels, but may also become a habitat for pests and increase the incidence of pests and diseases.
2. Prevent soil erosion: Especially in sloping or hilly areas, weed-proof cloth can stabilize the soil structure, prevent soil erosion caused by rainfall, and protect the stability and long-term use of photovoltaic systems.
3. Reduce dust accumulation: Weed-proof cloth covers the ground to reduce dust and debris raised by wind. If these dusts adhere to photovoltaic panels, they will affect their photoelectric conversion efficiency.
Therefore, laying weed-proof cloth helps keep photovoltaic panels clean and reduce maintenance costs.
4. Improve maintenance efficiency: Weed-proof cloth provides maintenance personnel with a clear and tidy operating environment, which is convenient for them to carry out daily inspections, repairs and cleaning work, improves work efficiency and reduces labor intensity.
5. Improve safety and aesthetics: Eliminating excess vegetation not only reduces the risk of fire, but also makes the entire photovoltaic area look more tidy and orderly, improving the overall visual effect.
-- Is it better to use polyester fiber or non-woven fabric for weed-proof cloth?
When choosing weed-proof cloth, the common materials are polyester fiber and non-woven fabric.
Each has its own advantages and disadvantages, as follows:
1. Polyester fiber weed-proof cloth:
- Advantages: It has high tensile strength and durability, and can withstand greater mechanical stress; it is not easy to break and has a long service life.
- Disadvantages: The air permeability is relatively poor, which may affect the air exchange in the soil; the cost is high.
2. Non-woven weed control cloth:
- Advantages: light and soft, easy to lay and cut; good air permeability and water permeability, conducive to soil microbial activity and water retention; relatively low cost.
- Disadvantages: Compared with polyester fiber, its tensile strength and durability are slightly inferior; more frequent replacement or maintenance may be required.
In summary, for the selection of weed control cloth under photovoltaic brackets, if long-term benefits and durability are considered, polyester fiber weed control cloth may be a better choice; if it is a short-term application or with a limited budget, non-woven fabric is an economical and practical option. Regardless of the material, it should be determined according to the specific application scenario and needs.
