Common application scenarios of photovoltaic power generation

Photovoltaic power generation has been proved to be technologically mature and economically viable in many application fields. In the long term, photovoltaic power generation will enter the power market as decentralized power sources and partially replace conventional energy sources; in the short term, photovoltaic power generation can be used as a supplement to conventional energy sources to meet the needs of special application fields, such as communication, signal power supply and civilian electricity consumption in remote areas without electricity. It is of great significance in terms of environmental protection and energy strategy. Photovoltaic power generation has many advantages, such as: safe and reliable, no noise, no pollution, energy is available everywhere, not limited by region, no fuel consumption, no mechanical rotating parts, low failure rate, easy maintenance, unmanned operation, short station construction period, arbitrary scale, no need to set up transmission lines, and can be conveniently combined with buildings. These advantages are beyond those of conventional power generation and other power generation methods.

The application methods of photovoltaic systems are as follows:

1. Household solar power supply:
(1) Small power supplies ranging from 10 to 100W are used for electricity consumption of military and civilian life in remote areas without electricity, such as plateaus, islands, pastoral areas, and border guard posts, such as lighting, television, and radio cassette recorders.
(2) 3-5KW household rooftop grid-connected power generation system.
(3) Photovoltaic water pumps: solve drinking and irrigation of deep wells in areas without electricity.
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2. Transportation field:
Such as navigation lights, traffic/railway signal lights, traffic warning/sign lights, street lights, high-altitude obstacle lights, expressway/railway wireless telephone booths, power supply for unmanned road maintenance teams, etc.
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3. Communication/telecommunication field:
Solar unmanned microwave relay stations, optical cable maintenance stations, broadcasting/communication/paging power supply systems; rural carrier telephone photovoltaic systems, small communication machines, soldier GPS power supply, etc.
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4. Petroleum, ocean, and meteorological fields:
Cathodic protection solar power supply systems for oil pipelines and reservoir gates, living and emergency power supplies for oil drilling platforms, marine detection equipment, meteorological/hydrological observation equipment, etc.
5. Household lighting power supply:
Such as garden lights, street lights, portable lights, camping lights, climbing lights, fishing lights, black lights, rubber tapping lights, energy-saving lights, etc.
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6. Photovoltaic power stations:
Large-scale photovoltaic power stations, wind-solar (diesel) complementary power stations, various large parking lot charging stations, etc.
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7. Solar buildings:
Combining solar power generation with building materials to enable large-scale buildings in the future to be self-sufficient in electricity is a major development direction in the future.
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8. Other fields include:
(1) Solar cars/electric vehicles, battery charging equipment, automotive air conditioners, ventilation fans, beverage coolers, etc. supporting automobiles.
(2) Regenerative power generation system of solar hydrogen production plus fuel cells.
(3) Power supply for seawater desalination equipment.
(4) Satellites, spacecraft, space solar power stations, etc.

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