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New challenges to power system planning and operation of smart grid development in China

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3 Author(s)
Zhang Ruihua ; Inst. of Electr. Eng., Chinese Acad. of Sci.(CAS), Beijing, China ; Du Yumei ; Liu Yuhong

The future development trend of electric power grid is smart grid, which includes such features as secure and reliable, efficient and economical, clean and green, flexible and compatible, open and interactive, integrated and so on. The concept and characteristics of smart grid are introduced in this paper. On the basis of practical national situation, the development plans of smart grid in china with Chinese characteristics are proposed. Smart grid development in china is bases on information technology, communication technology, computer technology with the high integration with infrastructure of generating, transmission and distribution power system. Besides, smart grid development in china brings forward many new challenge and requirements for power system planning and operation in 9 key technologies as below: 1. Planning and construction of strong ultra high voltage (UHV) power grid 2. Large-scale thermal power, hydropower and nuclear power bases integration of power grid 3. Large-scale renewable energy sources integration of power grid 4. Distributed generation and coordinated development of the grids of various voltage ratings 5. Study on smart grid planning and developing strategy 6. Improve the controllability of the power grid based on power electronics technology. 7. Superconductivity, energy storage and other new technologies widely used in power system 8. Power system security monitoring, fast simulation, intelligent decision-making and comprehensive defense technology 9. The application of emergency and restoration control technology in power system In response to the challenge, this paper presents the main research contents, detailed implementation plan and anticipated goals of above 9 key technologies. Some measures and suggestions for power system planning and operation of smart grid development in China are given in this paper.

Published in:

Power System Technology (POWERCON), 2010 International Conference on

Date of Conference:

24-28 Oct. 2010