9/27/2023 0 Comments Solar pathfinder for sale![]() ![]() If you don't want to buy one of these tools or just prefer a traditional DIY method, you can work out your solar window with a sun angle table (see image), a protractor and a piece of straight wire. The down-side of this is that there's no way to record the outcome or analyze the situation. You then point the device directly south and look through the eyepiece to see an actual visual representation of the solar window, complete with any obstructions. The Solar Site Selector uses a semicircular sun path chart (chosen according to your location) which fixes into place on top. Solar Site SelectorĪlthough it looks less technologically advanced, a Solar Site Selector has one big advantage over a Solar Pathfinder: it lets you see the solar window and any obstructions directly, rather than reflected. The best way to work out your solar window and the amount of energy you can harness is to ask a professional installer for their experienced advice. If you enter an amount of shading into an assessment application, make sure it's not considered as an on/off proposition but as a percentage shading which affects radiation collection efficiency. Collector arrays are less picky: as long as there's some sunlight, they will heat and the fewer obstructions there are, the more efficient they will be. Even a tiny 10% shade can cause them to stop generating power. PV panels need completely unobstructed locations. Consequently, calculations based on tracking panels are not applicable to collector arrays.Ģ. Solar thermal collectors do not track and only collect heat in the six hours around midday (three before, three after). PV panels usually track the sun, so they generate power from rise until set. This gives rise to two limitations that are important when considering a solar thermal installation:ġ. If you decide to do this, bear in mind that analysis software is usually written for PV panel implementations. The idea is to show you what obstructions there are to the sun at your site, so that you can remove them.Ī neat addition to the system lets you upload a digital image of your reading and analyze it with assessment software to work out what percentage of the potential annual solar radiation your selected site will receive. This device uses a sun path chart based on your location and reflects the solar window through a plastic dome. If any of the methods given below show more than 10% obstruction to sunlight during the prime hours of the day, you may need to reconsider the collector site. Modern technology provides several tools to help you work out the path you need to clear in the air to optimize your solar collectors' efficiency. The manufacturer is selling a separate software in which all data can be integrated called the Pathfinder Assistant Software.What are the common applications for the Solar Pathfinder?The Solar Pathfinder is currently being used in photovoltaic applications, as well as ecological, architectural and thermal projects.You don't need to sit and track the sun's path for a year to determine your location's solar window. To make an accurate solar site analysis, the data collected with the Solar Pathfinder can be combined with published global weather data. Solar Pathfinder dome, source: Software - Pathfinder Assistant Software The best position is of course the location with optimal sun and minimal shading. Any obstacle that will block sunlight can be clearly seen in this reflection, and it will tell you when these obstacles will block the sunlight.With the help of these readings you can determine the best position for the installation of solar panels. It can be used in both cloudy and clear weather, and during anytime of the day.After placing the Solar Pathfinder at the desired location, you will see a reflection of your site from the perspective of the solar panels. The Solar Pathfinder doesn't require any specific weather circumstances to work. Solar Pathfinder kit, Source: How does the Solar Pathfinder work? It measures and shows data not just during the day when you perform the measurement, but during any day / season. It can help to determine which location is suitable to install solar panels, as it shows you how much shading you can expect over the course of the day. The tool is popular with solar panel installers and can be used worldwide.It will show exactly where the sun will travel throughout the year. The shading assessment is part of the solar site analysis. What does the Solar Pathfinder specifically test? The Solar Pathfinder is an easy to use tool without electronic parts to perform an accurate shading assessment of solar installations.
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