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Is your photovoltaic plant ready for summer?
Release time:
May 17,2022
The turn of spring and summer is a period of frequent severe convective weather, and the subsequent hot summer is accompanied by high temperatures, heavy rains and thunder, and the photovoltaic power station on the roof has undergone multiple tests. So, how should we take countermeasures to ensure the stable operation of photovoltaic power plants and ensure revenue?
For the high temperatures of the summer
1. Pay attention to cleaning and cleaning the obstructions on the power station, so that the components are in a state of ventilation and heat dissipation at all times.
2. Please clean the power station in the early morning or evening, and avoid the exposure to the sun and high temperature at noon and afternoon, because the sudden cooling will cause the temperature difference of the module glass plate, and there may be cracks on the plate surface. Therefore, it is necessary to choose early morning and evening when the temperature is low.
3. High temperature may cause the aging of the internal components of the inverter, so it is very important to ensure that the inverter has good ventilation and heat dissipation conditions. The inverter will basically be installed outdoors, and the inverter will be placed in a cool place away from direct sunlight during installation, such as the back of the module or under the eaves, and a cover plate will be installed for outdoor installation to fully ensure the ventilation and heat dissipation of the inverter.
For summer rainstorms
A large amount of rainwater will soak the cables and components, which will reduce the insulation performance, and if it is damaged, it will directly lead to the inability to generate electricity.
If your home has a pitched roof, it will have a strong drainage capacity, so don't worry; If it is a flat roof, the power station needs to be inspected frequently. Note: When inspecting and operating in rainy days, avoid freehand electrical operation, do not directly touch the inverter, components, cables and terminals with your hands, and wear rubber gloves and rubber boots to reduce the risk of electric shock.
Thunder and lightning in the summer
The lightning protection facilities of photovoltaic power stations should also be checked regularly. At this stage, the most effective and widespread lightning protection method is to connect the metal parts of electrical equipment to the earth. The grounding system consists of four parts: the grounding device, the grounding body, the lead-in wire, and the earth. Avoid overhauling electrical equipment and wiring with bare hands, wear insulated rubber gloves, beware of the risk of electric shock, and take measures to prevent high temperatures, heavy rain, typhoons, and lightning strikes.
The weather is unpredictable, and increasing the inspection and operation and maintenance of the power station can effectively avoid failures and even accidents, and ensure the power generation income of the power station. You can simply perform O&M on a typical basis, or you can hand over the power station to professional O&M engineers for inspection and maintenance.
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