In power plant automation, China introduced DCS technology in the mid- and late 1980s and applied it to the unit control of thermal power plants. Today, China's thermal power plants basically all use DCS and programmable logic controllers. And other computer control systems. With the changes in user needs and the advancement of its own technologies, wireless networks, field buses, new types of detection and control instruments, advanced management and control software have also been gradually introduced, and they have been effective in improving efficiency and safety performance. Automation systems have become an integral part of power plant construction. According to the incomplete statistics of the Prospect Industry Research Institute, as of the end of 2012, the scale of domestic power plant automation market was approximately RMB 1.8-2 billion.

China's power grids have a lower proportion of intellectual investment. The total investment in the power grid in 2009-2010 was 551 billion yuan, the smart investment was 34.1 billion yuan, and the average annual intellectual investment was 17 billion yuan, accounting for 6.2% of the total power grid investment. According to the "Smart Grid Development Plan," the total investment in the power grid in 2011-2015 is expected to be 1.5 trillion yuan, the intelligent investment is 175 billion yuan, and the average annual power grid investment is 35 billion yuan, accounting for 11.7% of the total investment.

Electricity includes power generation, transmission, substation, power distribution and electricity. From the viewpoint of smart grid development planning, electricity consumption accounts for the highest proportion of intelligent investment, reaching 30.8%, mainly for items such as electricity consumption information collection. The scale of construction is large; followed by distribution, accounting for 23.2%; and the ratio of substations is 19.5%, mainly due to the large-scale construction of power distribution intelligence, smart substation construction and reconstruction, and the power generation and transmission links. Relatively few investments.

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