"The solar industry in Lhasa will show a big development trend." Director Qi of the Lhasa Solar Engineering Technology Application Institute told reporters, "In addition to solar energy, the use of clean energy such as biogas, wind energy and geothermal energy in the plateau will be popularized year by year. "According to the reporter's understanding, in the next few years, our district will use solar and wind power to solve the electricity problem of the population without electricity.
Director Qi said that the average altitude of the Qinghai-Tibet Plateau is above 4000 meters, the atmosphere is thin and clean, the transparency is good, the latitude is low, and the sunshine duration is long. Lhasa, known as the "Sun City", ranks second in the world in terms of light intensity, with an average annual sunshine duration of over 3,000 hours, and the largest total solar radiation in the country. It has absolute resource advantages in the development of solar power generation and new energy utilization .
In Lhasa, solar water heaters can be seen everywhere. Concentrated solar stoves can be seen everywhere in the residents' courtyards. Walking on Dangre West Road, street lights powered by solar and wind energy became a beautiful landscape. The guardrail lights on the streets of Lhasa are equipped with solar concentrators at the top, which glow at night, which is not only environmentally friendly but also convenient for pedestrians and vehicles. More and more hotels, hospitals and other places in Lhasa have been heated with geothermal heat. Various new energy sources have gradually entered people's lives, reducing people's dependence on traditional energy sources and protecting the ecological environment. The first Arab country solar energy application technology training course undertaken by Gansu Natural Energy Research Institute completed various training tasks after 56 days of training exchange and inspection practice, and held a closing ceremony in our city.
It is understood that 14 trainees from 6 countries including Sudan and Saudi Arabia participated in the training. During the training, the lecturers systematically introduced the research results and utilization status of solar wind energy in China and other countries in the world, and explained to them the specific applicable technologies and knowledge in solar photovoltaic power generation, solar water heaters, solar water desalination, etc. in our province. This year, the Gansu Natural Energy Research Institute undertook 4 foreign economic assistance human resources training projects approved by the Ministry of Commerce. These 4 projects are solar energy application technology training courses in developing countries, wind power generation technology training courses in developing countries, and French-speaking countries in Africa. Solar energy application technology training courses, Arab countries solar energy and wind energy application technology training courses. In the Tibet Autonomous Region, which is rich in solar and wind resources, scientists and technicians are conducting research on solar and wind power generation to solve the problem of power supply in remote areas of the plateau.
The scientific and technical workers who contracted the Nagqu Logistics Center of the Qinghai-Tibet Railway are conducting this research. According to Yan Han, the chief engineer of the headquarters of China Railway Construction Engineering Group’s Naqu Logistics Center, Tibet’s Naqu region, with an average elevation of 4,500 meters, is rich in solar and wind energy resources. Building a complementary solar and wind power supply system here not only costs far less than the long-distance small load of the power grid Power supply, and saves conventional energy and reduces environmental pollution.
When there is wind or sunlight, the wind turbine or solar panel extracts energy from the wind or sunlight radiation and converts it into electrical energy, which charges the battery through the wind-solar complementary controller, and the electrical equipment is obtained from the battery through the power controller electric power. At present, science and technology workers are conquering the core technology of solar and wind power supply system-control technology. Yan Han said that the complementary power supply control technology can realize the timely control of the power supply according to the local load and the load characteristics of the electrical equipment, and prevent the night battery from recharging and discharging to the solar battery and the wind turbine automatically unloading after the battery is sufficient.
Yan Han said that after successful research on solar wind-complementary power generation in Tibet, the results of the project will be promoted in real time based on local needs. Tibet is the region with the most abundant solar energy resources in the country, with an average annual sunshine of about 3,000 hours. At the same time, Tibet is also a region with relatively strong winds, with annual wind energy reserves of 9.3 billion kwh, ranking seventh in the country. For a long time, Tibet has been focusing on the development and utilization of solar energy and wind energy. At present, more than 200,000 solar cookers have been promoted, and hundreds of wind power generators have been built.