Concentrating Light On Solar Panels

It also means that in most instances tracking is required.

Concentrating light on solar panels.

Csp technology utilizes focused sunlight. Types of systems unlike solar photovoltaic cells which use light to produce electricity concentrat ing solar power systems generate electric ity with heat. At a csp installation mirrors reflect the sun to a focal point. Electricity is generated when the concentrated light is converted to heat solar thermal energy which drives a heat engine usually a steam turbine connected to an electrical power.

There are three main systems in use. Despite having been researched since the 1970s it has only now entered the solar electricity sector as a viable alternative. Light concentration while photo voltaic panels are the most appropriate method for capturing light energy in domestic solar power installations for larger scale systems light is usually concentrated to produce heat which in turn is used to generate electricity. Concentrated solar power csp also known as concentrating solar power concentrated solar thermal systems generate solar power by using mirrors or lenses to concentrate a large area of sunlight onto a receiver.

Concentrator photovoltaics cpv also known as concentration photovoltaics is a photovoltaic technology that generates electricity from sunlight. Concentrating light however requires direct sunlight rather than diffuse light limiting this technology to clear sunny locations. Csp plants generate electric power by using mirrors to concentrate focus the sun s energy and convert it. This is illustrated in figure 5 1.

The pv systems that use concentrated light are called concentrating photovoltaics cpv. Concentrating solar collectors use mirrors and lenses to con. Unlike conventional photovoltaic systems it uses lenses or curved mirrors to focus sunlight onto small highly efficient multi junction mj solar cells in addition cpv systems often use solar trackers and sometimes a cooling system to further. Csp systems concentrate radiation of the sun to heat a liquid substance which is then used to drive a heat engine and drive an electric generator.

Csp vs pv technologies. The cpv collect light from a larger area and concentrate it to a smaller area solar cell. Concentrated solar power also known as concentrating solar power or concentrating solar thermal power works in a similar way conceptually. Csp technology produces electricity by concentrating and harnessing solar thermal energy using mirrors.

Based on the principal that a solar cell receiving more light energy will produce more electricity concentrating photovoltaic solar panels simply involve a method usually using a lens or mirrors to concentrate more sunlight onto a photovoltaic cell. Concentrating solar power plants also cre ate two and a half times as many skilled jobs as traditional plants. Here in we review basic solar energy facts of competing solar technologies csp vs pv.