The ultimate goal of smart grid is digitalization, automation, interaction and informatization. If we want to establish smart grid, we must depend on advanced power electronics technology. With the development of the society and the progress of era, the development of economy and science and technology are also very rapid. Therefore, the demand for energy is growing, and the average power grid is aging fast. That leads to the high accident rate and based on the reasons above, in order to meet the needs of times development, our country must use the advanced smart grid, on the basis of the advanced sensing measurement and communication technology. The advanced power electronics technology is the key to smart grid construction. The construction of smart grid really plays an important role in society.
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