The innovation and development of UHV and smart grids have greatly promoted the transformation of China's energy sources and power and provided important implications for the sustainable development of the world's energy resources. Belgian local time on December 8, Global Energy Internet Development Cooperation Chairman, China Electricity Council Liu Zhenya, chairman of the European transport operators Union 2016 annual meeting said.
At the invitation of the European Transport Operator Alliance, Liu Zhenya attended the day's meeting in Brussels and gave a keynote speech entitled "Innovation in UHV and Smart Grid Technology and World Energy and Power Transformation." He introduced the development and achievements of China's energy and electricity transformation. He pointed out that the over-reliance on energy allocation in coal transportation and the development of electric power in the light of local balance are the fundamental reasons that China's energy and electricity are facing issues of supply security, ecological security and power grid security.
Since 2006, through the construction of a strong smart grid with UHVAC as the backbone grid and the coordinated development of all levels of power grids, the intensive development of large-scale renewable energy, large hydropower, large nuclear power and large coal-fired power bases and efficient utilization of various distributed power sources have been promoted China has achieved the goal of optimally allocating energy resources nationwide and ensuring energy security, cleanliness, efficiency and sustainable supply. At present, China's installed capacity has reached 1.6 billion kilowatts, the average annual electricity consumption reached 4200 kwh. Non-fossil energy installed capacity reached 33%, of which hydropower, wind power, solar power installed capacity ranking first in the world. Trans-regional transmission capacity of more than 80 million kilowatts each year to the east-central transmission of more than 400 billion kwh.
Liu Zhenya believes that the innovative development of UHV and smart grids has effectively promoted the transformation of China's energy sources and power and provided important inspiration for the world's energy development. He proposed that the promotion of world energy transformation should follow the law of development from high carbon to low carbon, from low efficiency to high efficiency and from the partial equilibrium to a wide range. Based on technological innovation, "two substitutes, one return and one increase" As the direction to the global energy Internet platform as a platform to accelerate the formation of a clean energy-oriented, electricity-centric, global configuration of the new pattern of energy development for the world to provide safer, cleaner and more sustainable energy supply.
The global energy Internet is a strong smart grid with UHV grid as backbone network and global interconnection. It is a basic platform for large-scale development, transportation and use of clean energy in the world. The essence is "smart grid + UHV grid + clean energy." Smart grid is the foundation, UHV grid is the key, clean energy is fundamental. Building a global energy Internet is the key to implementing "two alternatives." The construction of a global energy Internet can be divided into three stages: domestic interconnection, intercontinental interconnection and intercontinental interconnection. By 2050, basically build a global energy Internet. By then, the proportion of global clean energy will reach more than 80%, and carbon dioxide emissions will be only half of that in 1990, so as to achieve the goal of controlling global temperature rise within 2 ℃.
In connection with the theme of the conference, Liu Zhenya delivered an opinion on the issue of energy and electricity transformation in Europe. He pointed out that in order to promote energy transformation in Europe, it is necessary to adhere to the principle of equal balance between intra-continent development and power transmission across the continent, expand cross-border power trade and ensure a high proportion of clean energy supply. That is, strengthening the construction of the backbone network in Europe and supporting the large-scale development and utilization of clean energy in the continent; accelerating the introduction of clean energy in Africa and expanding energy supply; promoting the interconnection of the power grids in Europe, Asia and Africa and optimizing the deployment of clean energy for sustainable development .
The delegates spoke highly of the concept of global energy Internet and believed that building a global energy Internet has provided new ideas for promoting energy transformation in Europe and is an effective solution to the problem of sustainable energy development in the world. Such measures as planning and research, technological innovation and project advancement Deepening pragmatic cooperation and jointly promoting the development of the global energy Internet.
It is understood that the European power grid is the world's large transnational interconnected power grid, installed capacity of about 1.03 billion kilowatts, covering an area of ​​about 5.7 million square kilometers, serving a population of about 504 million. The European Transmission Operator Alliance (ENTSO-E) was established in July 2009 and comprises 42 transmission network operators from 35 European countries. The main responsibilities of the alliance include the formulation of grid planning, coordination of power transmission, development of power market standards, and promotion of new energy development.
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