Application of solar photovoltaic power generation

Solar cells and photovoltaic power generation systems have been gradually applied to industry, agriculture, science and technology, national defence and the daily life of ordinary people, it is expected that by the middle of the 21st century, solar photovoltaic power generation will become one of the main forms of power generation, and will occupy a certain proportion in the structure of renewable energy. The specific applications of solar photovoltaic power generation are mainly in the following aspects.

(1) Applications in the field of communications: including solar unattended microwave relay stations, optical cable communication systems and maintenance stations, mobile communication base stations, broadcasting, communication power supply systems, satellite communications and satellite television reception systems, rural program-controlled telephone, carrier telephone photovoltaic systems, small communication machines, troop communication systems, soldiers GPS power supply, etc..

(2) Highway, railway, shipping applications in the field of transport: such as railway and highway signal systems, railway signal lamps, traffic warning lights, sign lights, signal lamps, highway solar street lamps, solar spike lights, overhead obstruction lamps, highway monitoring systems, highways, railways, wireless telephone kiosks, unmanned road class power supply, beacon light towers and beacon light power supply, and so on.

(3) Applications in oil, marine and meteorological fields: solar power systems for cathodic protection of oil pipelines and cathodic protection of reservoir gates, life and emergency power supply for oil drilling platforms, marine detection equipment, meteorological and hydrological observation equipment, observation stations, power supply systems, etc.

(4) Application in rural and remote areas without electricity: solar off-grid photovoltaic power generation system applied in rural and remote areas without electricity such as plateaus, islands, pastoral areas, border posts, etc., and small-scale wind-solar complementary power generation system in villages, schools, hospitals, hotels, hostels and shops. Solar photovoltaic water pumps are used to solve the electricity problems of deep wells for drinking and farmland irrigation in areas without electricity. In addition, there are solar sprayers, solar electric fences, solar black light pest control lamps and other applications.

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(5) Solar photovoltaic lighting applications: solar street lamps, garden lamps, lawn lamps, solar landscape lighting, solar road marking signs, signal instructions, advertising light box lighting, etc., as well as family lighting fixtures and lanterns and portable lamps, camping lamps, mountaineering lamps, angling lamps, rubber cutting lamps, energy-saving lamps, torches and so on.

(6) Application of large-scale terrestrial photovoltaic power generation system (power station): it is mainly applied in areas with good light resources and a large amount of non-agricultural land.

(7) Application of distributed photovoltaic power generation and photovoltaic building-integrated power generation system (BIPV): the use of industrial and commercial roofs, the roofs of public facilities and the roofs of family houses to install distributed photovoltaic power generation systems, as well as the replacement of building materials by solar cell modules as the roofs of buildings and the use of the external facade, so that all kinds of buildings can realise the grid-parallel operation of photovoltaic power generation systems with the electric power grid, so that the self-generated electricity can be mainly used by itself and the surplus electricity can be sent to the grid. This will be the main form and development direction of PV power generation application at present and in the coming period.

(8) Application of solar commodities and toys: solar radios, solar clocks, sun hats, solar mobile phone chargers, solar watches, solar calculators, solar toys and so on.

(9) Applications in other fields: solar electric cars, electric bicycles, solar yachts, solar charging equipment, solar car air conditioning, ventilation fans, cold drinks box, etc., and solar hydrogen plus fuel cell regenerative power generation system, desalination equipment power supply, satellites, spacecraft, space solar power station.