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14 Cards in this Set
- Front
- Back
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What is the azimuth angle? |
Looking towards equator, it is the angle of the sun to the left or right We measure it from the true south |
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What is a sun path diagram? |
A diagram describing the sun's position in the sky at any point throughout the year of a fixed latutude |
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How do we use the sun path diagram for shading analysis |
Find azimuth and altitude of the obstacle and plot the areas on the diagram |
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Which direction will a compass point to? |
Magnetic north |
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What is annual insolation |
Amount of energy we gain in a year |
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Irradians |
How much power we get |
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What is 1 kWh? |
amount of power we gain from a 1kW source being on for 1 hour |
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What are the three components of radiation? |
Direct Reflected Diffused |
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How do we orient solar panels? |
Face the equator at an angle equal to its latitude |
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What is single axis tracking? |
Collector adjusts azimuth angle such that the azimuth angle is zero at all times |
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Two axis tracking |
tracks both the azimuth and the tilt |
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Is tracking worth it? |
usually, no |
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How do we avoid ground modules shadowing each other? |
Calculate maximum length of a shadow at important times and space them appropriately |
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Where should we place the panels? |
On a polar mount if possible |
