What Solar Panels Are And How They Work?

solar panel systemSolar panels refer to a photovoltaic module, a hot water panel and a set of solar (PVC) photovoltaic modules connected electrically and mounted on a supporting structure. But how do these device generate electricity and how can we benefit from these? Read below for a discussion of how solar panels work.

The PVC module may be a connection of solar cells packaged to form a solar panel. The solar panel could be part of a solar panel system that can be used to generate and supply electricity in a residential or a commercial unit. In Australia, 3.1 million are now living in or working at a property with solar panels and are now enjoying the many advantages of installing these systems with the help of solar panel companies such as the Solar Panels Melbourne.

The module is rated based on the amount of power it produces. The range of power produced by most of the systems ranges from 100 to 300watts. The efficiency of each system determines the area of the module. We have the 8% efficiency, the 16 % efficiency and the 19 % efficiency modules. Of course there are a few solar panels that exceed the 19% efficiency.

A single module is capable of producing a limited amount of power. That is why most module systems will contain more than one module. Any given photovoltaic system may consist of panels or an array of solar modules with batteries, interconnecting wires and inverters.

The solar modules generate electricity from the light energy through the photovoltaic effect. The modules use thin film cells based on cadmium telluride or silicon. It may also use water based crystalline silicon cells. The cells are delicate and must be protected from moisture and mechanical damage. The modules are rigid but you can also get the semi-flexible ones.

The cells are connected in series for maximum voltage output. They could also be connected in parallel to produce the desired current. Silver and copper wires may be used to conduct current to accumulators. The cells must then be connected to each other and to the rest of the system. Photovoltaic modules use MC3 and MC4 connectors to facilitate weatherproof connections.
Externally bypass diodes may be used to maximize on the output from the models that are partially illuminated. The recent module designs make use of concentrators in which light is focused by mirrors or lenses onto an array of cells. This makes it possible to utilize cells with a high cost per unit area in a way that is cost effective.

Solar panels can produce electricity from light of varying frequencies. It may not make use of all the solar light range such as ultraviolet, low diffused light and infrared. This implies that most of the sunlight energy is wasted by solar modules. The few rays that are utilized can give more energy if they are illuminated on monochromatic light. In fact this is what brought about the concept of splitting light into different wavelength ranges that directs beams on particular cells tuned to those ranges.

According to research, solar panels can be made more efficient by studding the surface of the semiconductors using the aluminum nanococylinders. This makes the scattered light to travel a longer path in the semiconductor. It enables more photons to be absorbed and converted into current that can be transmitted to the accumulators for storage. This is expected to improve the efficiency of solar panels and bring down the cost considerably. Know more on how solar panels work by clicking here.

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