Review of the Achievements, Challenges and Development of Power System Technology in China
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Abstract
As the basic approach of the power transmission, power grid is the critical energy infrastructure related to lifelines of the national economy and national energy security. Firstly, this paper presents the evolution process of AC and DC transmission voltage grade, the development power grid technology. Then the challenge for the current China's power grid technology is analyzed with transmission demand of huge energy base, access challenge of distributed energy sources, energy conservation, environmental protection and resource constraints, trend of intelligence and information technology, new requirement of power demand side and "going-out" of China power grid technology. Finally, high capacity and long distance power transmission, smart grid, flexible power transmission, access, distribution and utilization of distributed energy sources or microgrid, advanced electric power dispatch under new situation, information management of design, operation and maintenance, energy conservation, environmental protection, high efficient utilization of resource, nationalization of electrical equipment and internationalizing of the technical standards are presented to propose the strategies for future power grid development in China.
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