Sunday, July 21, 2013

Solar Energy Systems

Solar energy is the source of renewable energies (e.g. wind, hydro, wave, biomass etc.), it is clean (means no CO2 emission) and inexhaustible source of energy but utilizing the solar energy from the sun is highly depends on time, location and weather conditions. The comparison of energy resources worldwide can be seen in shown figure.





Solar Power or Photovoltaic (PV) System

Photovoltaic (PV) or solar cells are devices which converts solar energy (sunlight) directly into electricity. Although the efficiency of the solar cells or modules depends on which type of Silicon PV cell/module like Mon-crystalline/poly-crystalline/Amorphous/multi-crystalline are considered but the conversion efficiency of the solar cells reaches 15%.  








In the design of the solar power system, Ahsaas energy offers services in the following;


           1.  Grid connected domestic and industrial solar power systems

           2. Standalone solar power system for;

·         Rural electrification and remote villages
·         Medical units in the remote areas
·         Microwave/radio repeater station
·         Illuminated road sig & railway crossing sign
·         Homes and summer huts
·         Solar small-scale desalination plant
·         Residential indoor and outdoor lighting, electrical equipment, electric gate opener, security system, ventilation, water pump/ filter and emergency light, etc.

3. Solar Powered Lighting

·         Bus stop lighting, billboard lighting, parking lot lighting, garden lighting, solar lanterns, solar tracking system, and solar street lighting, etc.

4. Solar Powered medical clinics

·         Cooling or refrigeration of the medicines and medical equipment

5. Electrification of the rural or remote areas

·         Islands, villages, hills, forests and those areas where utility grids connections are not available.


Solar Thermal Systems





Solar thermal systems consist of solar thermal collectors which are special heat exchanger that transform solar radiation into internal energy (heat) of the transport medium.
Although solar water heating systems are available for many applications but Ahsaas energy offers services in the following;

1. Pressurized and non-pressurized solar water heaters both for domestic & industrial heating.
     2. Solar water heating for swimming pools and solar ponds.

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  2. Solar energy uses the sun’s light and heat to generate renewable or ‘green’ power. The most common form of solar energy is harnessed by solar panels, or photovoltaic cells. In photovoltaic power stations, they’re arranged almost edge-to-edge to capture sunlight in large fields. The cells are created from semiconductor materials. When the sun’s rays hit the cells, it loosens electrons from their atoms. This allows the electrons to flow through the cell and generate electricity. Many solar power companiesare working with industrial and residential sector to reduce the energy cost by switching to renewable energy.

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