Abstract Firstly,from the point of domestic and overseas energy development,the paper discusses the characteristics of multiple energy resources and multiple conversions of the power system caused by widely used new energy resources.Accordingly,the constitution and structure of the new generation power grid are visualized.Based on that,the six distinctive characteristics in the development of the power grid are discussed in detail.And one of the core problems for the future power grid,which is the widely used power electronics technology in the power system and its five key technologies,is analyzed thoroughly.Furthermore,the paper summarizes the basic problems in the complex AC-DC system with multiple energy resources and multiple conversions,which provide the guidance for the improvement and development of the power electronic technologies in the new generation of the power grid.
Xiao Xiangning. Basic Problems of the New Complex AC-DC Power Grid with Multiple Energy Resources and Multiple Conversions[J]. Transactions of China Electrotechnical Society, 2015, 30(15): 1-14.
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2015, Vol. 30 
