10 mistakes in solar energy design
10 mistakes in solar energy design
The most prominent and important 10 fatal mistakes in the implementation and design of solar energy :
Mistakes in Solar Energy Systems:
- System Sizing:
- Error in calculating the correct size of the system, without taking into account the change in productivity between winter and summer.
- It is necessary to calculate an additional reserve for the panels to avoid weather conditions such as clouds and rain.
- Battery Sizing:
- Failure to take into account the level of discharge (DoD) of batteries and pre-determine their life based on a specific discharge rate.
- Adjusting the vacuum device or inverter to stop the system when it reaches a certain level according to the previous study.
- Wiring:
- Not choosing the thickness of the wires correctly based on the system data and choosing wires with good insulation.
- Use high quality connectors such as MC4 and ensure they are properly insulated to avoid future problems.
- Panel Mounting:
- Use light iron bases that are susceptible to corrosion, which leads to the panels falling and being damaged.
- Prefer to use strong bases that are resistant to weather conditions, such as aluminum bases.
- Waterproofing:
- Failure to insulate panel wires from water, which may cause short circuits or damage to components.
- It is necessary to use good insulating materials and high-quality connectors such as MC4 to ensure proper waterproofing.
- Shading:
- Failure to take into account the effect of shadow, with the need to leave a distance to reduce the effect of objects causing the shadow.
- Use mathematical applications such as Shams to calculate the optimal distance to reduce the shadow effect.
- Inverter and Battery Fuses:
- Not installing DC breakers and fuses for panels and batteries, which leads to an increased risk of accidents.
- It is necessary to install DC breakers and fuses between the batteries and the inverter to protect the system and ease maintenance.
- Inverter installation location:
- Installing the inverter in open places exposed to weather conditions, which leads to damage.
- The inverter must be installed in a cool place free of dust and water to maintain its performance.
- System Grounding:
- Do not use grounding for the system, which exposes the equipment to the risk of damage due to electrical currents.
- There is a need for a grounding system that will protect the equipment and add protection from the harmful effects of lightning.
- Neglecting regular maintenance:
- Leaving the system without regular follow-up and inspection, which may lead to decreased system performance.
- The need to periodically inspect the system’s components and ensure the integrity of the panels and connections on a regular basis.
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