On the morning of March 14, the appraisal meeting of scientific and technological achievements on Flexibility Assessment and Optimization Theory & Application of High Proportion Renewable Energy Electrical Power System organized by Chinese Society of Electrical Engineering (CSEE) was held in Tsinghua University. 9 experts in the Appraisal Committee, including Zhou Xiaoxin, academician of the Chinese Academy of Sciences (CAS), Guo Jianbo, academician of the Chinese Academy of Engineering (CAE), as well as more than 20 participants including Kang Chongqing, director of the EEA THU, Prof. Min Yong, associate Prof. Lu Zongxiang, and the project-related personnel of the Northeast Branch of State Grid Co., Ltd., Inner Mongolia Electric Power (Group) Co., Ltd., and THU project completion units, attended the Appraisal Meeting.
The scene of the appraisal meeting
This appraisal meeting is presided over by Nie Dingzhen, consultant of Chinese Society of Electrical Engineering (CSEE). At the appraisal meeting, Prof. Kang Chongqing made a welcome speech. First, he thanked the CSEE for its support and assistance to the EEA THU for many years. Then, he briefly introduced the development of the EEA in scientific researches in recent years. Combining with the future energy revolution and the development trend of electric power, he affirmed the great significance of the proposed appraisal project and expressed his gratitude to the cooperation units in the industry.
Prof. Kang Chongqing's welcome speech
At the appraisal meeting, Prof. Min Yong, Associate Prof. Lu Zongxiang and Chief Qi Jun of Operation Mode Department of Inner Mongolia Electric Power (Group) Co., Ltd. made work report, technical report and economic benefits report respectively, and reported the project situation to the Appraisal Committee in an all-round way. This result relies on a series of scientific and technological projects of the Ministry of Science and Technology (MOST), the State Natural Fund Commission (SNFC), the State Energy Administration (SEA), the State Grid Company Limited and the Inner Mongolia Electric Power Group. The project team jointly tackled key problems for seven years, focusing on the theoretical principle of flexible supply-demand balance of power system, the production simulation and quantitative evaluation method based on probability model, the flexible overall planning and the flexibility-based source network coordination and optimization technology. The team has achieved a series of original results in the basic principles, theoretical methods and key technologies of power system flexibility, and improved the new energy absorption capacity of power grid through engineering application.
Work report by Prof. Min Yong
Technical report by Prof. Lu Zongxiang
After listening to the reports of the project team, the experts of the Appraisal Committee highly affirmed the innovative achievements of the research on the theoretical basis of flexibility of power system in the future, praised the new technologies and application effects of the project in the field of flexibility planning and operation, and addressed inquiries and discussion with the members of the project team.
Academician Zhou Xiaoxin is presiding over the appraisal meeting.
Experts of appraisal committee listening to the reports
After discussion, experts of the project Appraisal Committee agreed that the project has established a flexible theoretical and methodological system of high-proportion renewable energy electrical power system based on probability principle, and has achieved many innovative results in multi-system flexible overall planning, flexible source network coordination and optimization operation, and has applied these results to the planning and operation practice of wind-photovoltaic enriched regional power grids in China. These results have been up to the international advanced level as a whole.
At present, the results of this project have been popularized and applied in the planning and operation of Northeast Power Grid, Mengxi Power Grid, Gansu Power Grid, Jiangsu Power Grid and North Hebei Power Grid, which greatly improves the flexibility level of planning power grid, promotes the capacity of renewable energy consumption of the current power grid, and achieves good economic and social benefits.
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