Recently, the CPC Central Committee and the State Council held a grand award ceremony for state science and technology in Beijing. The project of "National Grid Smart Grid Innovation Project" declared by State Grid Corporation of China was awarded the first prize of 2014 National Science and Technology Progress Award. In addition, the project "± 660KV DC Overhead Transmission Line Live Working Technology and Tools Innovation and Application" won the second prize. Read this news, I gave birth to many feelings.
Nowadays, the term "smart grid" appears more and more frequently in the public field of view. The popular saying is that the power grid is intelligent and is also called "grid 2.0." The smart grid is a huge system engineering involving many fields and industries. It breaks through the concept of traditional power grid, and needs to realize the integration of many advanced technologies such as new energy , information, power electronics and so on. The technology is complicated and the integration is difficult. State Grid Corporation of China started the construction of smart grid, the relevant technical research is in its infancy, no successful experience to follow, the standard is not perfect, the lack of key equipment. To this end, the company comprehensively promote the system, mechanism and platform construction, give full play to the advantages of collectivization operation, systematically optimize the scientific and technological resources, building a world-class innovation system, directly under the scientific research units, directly under the industrial units, provincial scientific research units, overseas R & D institutions, external Five categories of innovative science and technology innovation main body to play their respective advantages, collaborative research.
We know that Smart Grid has the following features: Self-healing - Stable and Reliable; Security - Resistant to Attacks; Compatible - Generating Resources; Interactions - Electricity Customers; Coordination - Electricity Markets; Efficient - Asset Optimization; Power Quality; Integration - Information System. The UHV grid is a powerful physical foundation for the development of smart grids. The most prominent feature of UHV power grids is high-capacity, long-distance transmission, which puts forward higher requirements on the construction and characteristics of the power grid. This will enable us to continuously explore how to build a UHV power grid into an "intelligent" power grid that is inherently safe, reliable and efficient. The smart grid can meet the demand and has accumulated a large number of projects such as a new generation of intelligent substation And other 32 kinds of 305 smart grid pilot projects, the completion of flexible DC converter valve, the new energy power generation power forecasting system nearly 200 smart grid key equipment development, has participated in the preparation of 21 smart grid international standards in the field of international smart grid has Great voice.
In short, the smart grid is a progressive evasion, a radical change, a product of the coordinated development of existing technologies and new technologies. Only by building a smart grid characterized by informationization, automation and interaction, can we improve the safety, economy and adaptability of the grid in an all-round way so as to realize online online intelligent analysis, advancement and decision-making of power grids so as to provide customers with more efficient and efficient electricity service.
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