Guide To Inspect Using Drones

Solar energy is a renewable resource that can be found in abundance. The use of solar panels leads human beings to make use of this prime source, but there’s more work than just laying down your sunshades and letting nature do its thing.

Drones fly over solar panels and record their condition. They help spot where the sun’s energy isn’t reaching as much of a panel, identifying any problems with defective cells that need maintenance or repair before they can harm equipment performance.

Five common solar panels issues for drone inspection are:

  • The hot spots are the places on your panels where they get overloaded and eventually heated up. This can lead to short circuits, which reduce performance over time as well as the increasing the lifespan of the solar cells themselves.
  • Microcracks are minute cracks that can develop from low quality or when carelessly handled. Micro-fracturing occurs as the result, leading to a decrease in production and profit margin for your company with time.
  • Snail trails are a sign of old and tired panels. The silver metallization paste can cause discoloration in the cell wall as well as microscopic cracks which would allow for more light to escape, leading to meiosis eventually resulting in Snails.
  • The situation with panels and earthing is a known issue. The difference in voltage between the panel and earth can cause potential induced degradation, leading to accelerated aging of both yourself as well as your home’s electrical system over time.
  • Corrosion and delamination are the most common issues, leading to a decrease in output production. It happens internally due to water or dust getting inside which causes corrosion on metal parts of equipment that produce electricity for your device- panels included.

Drone Inspection vs. Ground inspection:

Drones are a great way to inspect your solar panels. They can give you high-resolution images that show individual cells, so it will be easier for any technicians who come out after the inspection has been done with ground inspections and give them pinpointed accuracy in their work.

Advantages of drone inspection:

  1. A professional drone inspector is a unique and invaluable asset to any company because they can use drones more efficiently. The knowledge of these experts in their field means that every cell will be working at 100% capacity, ensuring maximum productivity for all parties involved with the inspection process.
  2. The time saved by using solar panels in large fields is incredible.

How does drone thermal imaging help PV inspection?

Aerial thermography is the only way to make sure your solar panels are running at maximum efficiency.

Infrared cameras can see through total darkness, fog, and smoke while also being able to detect other issues like soiling or animal nesting that might be going unnoticed by an RGB camera alone. Pairing these thermal imaging tools with drones provides even more comprehensive information than either one would on their own.

Video analysis is a problem because of low quality and storage, geotagging isn’t possible. And radiometric detection can be tricky too.

Common impairment symptoms generally found by PV testing technicians manually inspect:

  • The series loss is caused by excessive resistance, and this results in degradation or damage.
  • A shunt is a tiny device that can be used to replace the power source of an electronic component. The output sounds simple, but there are many things going on inside it.
  • The interconnection of solar cells that do not have the same properties and experience different conditions poses some interesting challenges.
  • The reduction in the current but not voltage caused by degradation or soiling refers to reducing losses.
  • By using a diode, you can reduce voltage loss.

How to use drone thermal imaging for solar inspections?

A professional drone inspection, which draws from the combination of RGB and thermal imaging data can execute more effectively manual electrical testing on impaired panels.

This is because it includes both qualitative analysis (including shattered modules) as well as quantitative measurements with temperature readings taken by sensors located in each module type for quality assurance purposes

PV inspections come at different levels depending on what you’re looking for but they always include visual post-analysis including assessing if there are any black spots present near wires or other signs that may indicate physical damage.

The three factors to be considered by aerial thermographers in the field during post-processing:

  1. Drones require a certain type of weather to work correctly. Humidity and high winds can cause issues with inspection, while atmospheric currents make images blurry or distorted.
  2. Hardware considerations.
  3. For those who own a lot of lands and want coverage in one swoop, fixed-wing planes are perfect. These aircraft can fly high at speeds over 100 mph for up to 1K acres per hour.
  4. Integration: A dual sensor system is an excellent way to provide additional protection and awareness in a PV installation. When combined with RGB, it can be used for increased threat detection that might otherwise go unnoticed by one or two sensors alone.

Data accuracy is a key factor for determining the quality of solar panel data. Emissivity, also known as radiometric emittance or radiation color dispersion measures how much electromagnetic radiation an object actually gives off from its surface compared with that one would expect based on its temperature-set blackbody emission curve.

To ensure accurate results there must be no post-processing done during the inspection which could cause distortion due to incorrect figures being inputted into software programs designed especially towards finding anomalies within this field such as those used by inspectors doing power plant inspections where detail matters most.


The use of solar panels has led to human beings making the most out of this renewable resource, but there’s more than just laying down your sunshades and letting nature do its thing.

Solar panel maintenance requires care because some days they might not be producing enough juice for all these fancy technologies we’ve got going on – thankfully drones are here with their inspection tooling so you don’t have to worry about missing any important details while keeping an eye out over those precious wattage points at home base camp! A Guide To Inspect Using Drones.

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