G
Guest
Guest
Ho trovato un testo su internet sul sito della ELKOM che e' l'azienda che produce l'energia elettrica in South Africa.
Sul loro sito si parla di un grosso impianto solare fotovoltaico messo a punto per contrastare in piccola parte l'effetto serra e dare un contributo per la salvaguardia dell'ambiente anche se modesto.
Il testo e' come si potra' capire, in inglese e lo incollo qui aggiungendo anche il link per i piu' navigati.
Quello che mi fa pensare e' legato alla circostanza che il paese e' molto soleggiato ma l'utilizzo di tale tecnologia e' poco diffuso.
Leggete anche cosa dicono in calce.
Saluti SB
Solar Power
Photovoltaic (PV) or solar modules are made up of solar cells that are connected in series. The most common commercial cells are made from purified Silicon (Si). The Silicon cell is essentially a p-n junction that utilises the energy from the sunlight to generate electron flow from the p-type Si (via an external resistance) to the n-type Si. A typical solar module comprises of 36 cells connected in series to produce an operating voltage of 12V.
PV systems often include a battery bank for energy storage, and a charge controller that regulates the power flow into and out of the battery bank. Battery banks are typically sized in order to provide energy during days of no or limited sunshine (cloudy/rainy days).
Siting prerequisites
The following requirements are necessary for PV systems:
High levels of sunlight. Areas where there is a prolonged presence of clouds or mist are not suitable for PV systems. However, South Africa has one of the highest solar irradiation levels in the world.
Direct sunlight is required for the PV panels. This means that the site should be free of shading from trees, buildings, etc.
Maintenance requirements
Maintenance on PV systems include checking and topping up of battery electrolyte, cleaning the PV panels to ensure exposure to direct sunlight, checking the charge controller operation, and ensuring that the wiring connections are secure. Typically user maintenance is performed every month and preventative/corrective maintenance visits to the site are performed every six months on larger systems.
Client usage options
The range of appliances that can be used on a PV system is as follows:
Household and school lights
Televisions
Overhead projectors
Radios
Microwave ovens
Computers
Water pumps
Refrigerators
Benefits
The main benefit is access to inexpensive electric power in remote areas not connected to the national electricity supply network. Schools in remote areas in particular can make use of electronic media as a result of this technology.
Advantages: Solar power is renewable, clean and has no direct emissions. Solar panels can be used almost anywhere in South Africa and are suitable for low energy use such as lights and television.
Disadvantages: Without battery storage, the energy is not available all the time and the equipment is expensive.
Per entrare nel sito cliccate QUI.
Sul loro sito si parla di un grosso impianto solare fotovoltaico messo a punto per contrastare in piccola parte l'effetto serra e dare un contributo per la salvaguardia dell'ambiente anche se modesto.
Il testo e' come si potra' capire, in inglese e lo incollo qui aggiungendo anche il link per i piu' navigati.
Quello che mi fa pensare e' legato alla circostanza che il paese e' molto soleggiato ma l'utilizzo di tale tecnologia e' poco diffuso.
Leggete anche cosa dicono in calce.
Saluti SB
Solar Power
Photovoltaic (PV) or solar modules are made up of solar cells that are connected in series. The most common commercial cells are made from purified Silicon (Si). The Silicon cell is essentially a p-n junction that utilises the energy from the sunlight to generate electron flow from the p-type Si (via an external resistance) to the n-type Si. A typical solar module comprises of 36 cells connected in series to produce an operating voltage of 12V.
PV systems often include a battery bank for energy storage, and a charge controller that regulates the power flow into and out of the battery bank. Battery banks are typically sized in order to provide energy during days of no or limited sunshine (cloudy/rainy days).
Siting prerequisites
The following requirements are necessary for PV systems:
High levels of sunlight. Areas where there is a prolonged presence of clouds or mist are not suitable for PV systems. However, South Africa has one of the highest solar irradiation levels in the world.
Direct sunlight is required for the PV panels. This means that the site should be free of shading from trees, buildings, etc.
Maintenance requirements
Maintenance on PV systems include checking and topping up of battery electrolyte, cleaning the PV panels to ensure exposure to direct sunlight, checking the charge controller operation, and ensuring that the wiring connections are secure. Typically user maintenance is performed every month and preventative/corrective maintenance visits to the site are performed every six months on larger systems.
Client usage options
The range of appliances that can be used on a PV system is as follows:
Household and school lights
Televisions
Overhead projectors
Radios
Microwave ovens
Computers
Water pumps
Refrigerators
Benefits
The main benefit is access to inexpensive electric power in remote areas not connected to the national electricity supply network. Schools in remote areas in particular can make use of electronic media as a result of this technology.
Advantages: Solar power is renewable, clean and has no direct emissions. Solar panels can be used almost anywhere in South Africa and are suitable for low energy use such as lights and television.
Disadvantages: Without battery storage, the energy is not available all the time and the equipment is expensive.
Per entrare nel sito cliccate QUI.
