Photovoltaic Power System For Base Station In Africa
In other areas, where main high-voltage power grids are built, the power supply is not stable, and huge budget is needed to upgrade and reform the power grids. Fortunately, there are abundant renewable energy resources such as solar, wind and so on in many developing countries. It would be much more economic to widely apply power systems using renewable energy in the remote areas than construct large-area high-voltage power grids. In the regions rich in solar resources like Africa, South Asia, South East Asia, Australia, and Central America, solar power system is an ideal choice as it generates electricity to supply nearby areas and saves such costly equipment as high-voltage power grids, transformers, etc.
Case Study
Showing a photovoltaic power system in Pakistan provided by GPOWER
The maximum continuous rainy/cloudy days in the local area is 5 days; power system is required to provide power for BTS and microwave equipment; the total power consumption is 550W. According to the requirement mentioned above, the system configuration is given as:
Photovoltaic module: 16 pieces of 320W monocrystalline cells;
Battery: Two groups of 2V/1000Ah Gel OPzV;
Charge controller: 48V/150A controller.
In this project, 22 solar-powered BTSs are deployed. They have a relatively small capacity, which is in the range of 400-900W. If diesel generator is adopted, the conversion efficiency will be very low as the capacity is small, and the power supply reliability is also very low. Solar power system makes diesel re-fuelling and maintenance work unnecessary, which can save about US$150,000 for operator every year.
Since 2012, GPOWER has helped over 40 operators in more than 20 countries build solar-powered BTS system in areas without enough power supply, to meet the communication needs of local people and improve their living standards.
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550W BTS Solar Power System 48V 150A controller Photovoltaic Power System Images
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