Physics Ia Solar Panels

Traditional energy sources are not the most efficient at converting chemical to electrical energy.

Physics ia solar panels.

There are 54 panels with a total area of 88 m 2. They cover about half of the roof where they are in full sunlight in order to generate electricity which contributes to the electricity used in the building. A solar panel is a panel designed to absorb the sunlight for generating electricity. In simple words the panels consume solar energy for generating electricity.

That relationship is non linear when plotting power production vxi against the angle of incidence. Everyone on earth needs energy and more of it than ever before. The ratio of the power of radiation scattered from the body to the total power incident on a body relationship between albedo and emissivity. Physics of how solar works the physics behind this process is actually quite simple and not as complicated as it may seem.

Energy density has units of j m 3 the description of the basic features of nuclear power stations must include the use of control rods moderators and heat exchangers. I will also measure the illuminance of light on the solar panel at 2cm intervals with a lux meter. Specific energy has units of j kg 1. Solar panels are made up of solar cells that are frequently made of two layers of silicon arranged around conductive material.

Solar panels do not generate electricity but rather they heat up water. The solar radiation per second per m 2 at the top of the earth s atmosphere 1400 w m 2. These photovoltaic cells electrically connected to each other through a series of strong bonds utilize the photoelectric effect to convert energy from the sun into usable electricity. The power of a solar cell is the product of the voltage across the solar cell times the current through the solar cell.

They are often located on the roofs of buildings where they can receive heat energy from the sun. Up on the roof of the institute of physics building is a small solar farm of solar panels. Physics ia linearising the graph solar panels. Albedo of a planet depends on cloud cover ice water color and nature of the soil and latitude.

They are aligned to be roughly south facing and tilted to maximise the amount of sunlight they collect. The diagram outlines how. The maximum theoretical power from our solar cell p max is the product of the v oc and i sc. α e 1.

The illuminance will be used to determine the actual power of the light incident on the solar panel. Hence they are called solar panels. Here s how to calculate the power the solar cell delivers to the motor. For my physics ia i m doing power production of a solar panel versus the angle at which light is incident on it.