The market capacity of low-voltage circuit breakers is closely linked to the development of the power industry.
In 2011, the country's new power generation installed capacity was 90.41 million kilowatts, exceeding 90 million kilowatts for six consecutive years. Among them, 12.25 million kilowatts of hydropower and 58.86 million kilowatts of thermal power were added (of which coal-fired units with a single unit capacity of 300,000 kilowatts and above were 52.02 million kilowatts, accounting for 95.3% and 88.4% of the capacity of newly-fired coal-fired units and thermal power units, respectively) and nuclear power. 1.75 million kilowatts, grid-connected wind power 15.85 million kilowatts, grid-connected solar power generation 1.69 million kilowatts, grid-connected solar power into large-scale production stage. At the end of the year, the national installed capacity of power generation reached 1.056 billion kilowatts, including 231 million kilowatts of hydropower (including 13.63 million kilowatts of pumped storage), 765 million kilowatts of thermal power, 12.57 million kilowatts of nuclear power, 45.50 million kilowatts of grid-connected wind power, and 2.14 million kilowatts of solar power. Supply capacity is further enhanced.
At the end of 2011, the installed capacity of non-fossil energy power generation such as hydropower, nuclear power, grid-connected wind power, and grid-connected solar power generation reached 290 million kilowatts, accounting for 27.5% of all power generation installed capacity, an increase of 0.9 percentage points over the previous year. The national power generation capacity growth rate is 2.5 percentage points lower than the power generation capacity growth rate, while the thermal power equipment capacity growth rate is 6.2 percentage points lower than the thermal power generation capacity growth rate, indicating that the thermal power installation growth is relatively slow, and the thermal power and other conventional energy units ensure the power balance pressure. Increase. The trend of power generation installed to the west is more obvious. At the end of the year, the installed capacity in the western, northeast, central and eastern regions increased by 14.5%, 7.8%, 7.3% and 6.4% respectively. The installed growth rate in the eastern and central regions was lower than that in the applicable phase. 3.2 and 4.8 percentage points, in the case of grid resources allocation capacity is not strong, the eastern power supply and demand is more tense.
In 2012-2016, the new installed capacity during the 12th Five-Year Plan period will exceed 500 million kilowatts. "At the end of the 'Twelfth Five-Year Plan', China's annual hydropower generation will reach 900 billion kwh, equivalent to 300 million tons of standard coal, and annual wind power generation. It will reach 190 billion kWh, equivalent to 60 million tons of standard coal. In addition, the total utilization of solar energy (including power generation and water heaters) will also be equivalent to 50 million tons of standard coal. China will increase power generation by 66 billion to 77 billion kWh per year. .
Statistics show that the market size of China's low-voltage circuit breaker industry in 2011 was 40 billion yuan. In the next few years, with the continuous increase of new power generation in China and the rapid development of other downstream industries, the demand for low-voltage circuit breaker products in the domestic market will continue to grow. Therefore, the market size of China's low-voltage circuit breaker industry will also grow rapidly. By 2016, the market size of China's low-voltage circuit breaker industry will be close to 80 billion yuan.
From the end of the 20th century to the beginning of the 21st century, major foreign companies have introduced new ACBs and MCCBs, and have continuously improved and expanded. They have made major breakthroughs and innovations in major technical performance, product structure and new technology applications. Among them, Siemens is the most prominent in Germany. Its communicable low-voltage electrical appliances can form a very large industrial system, power distribution monitoring system and building automation system; MDU series circuit breaker developed by Mitsubishi can directly realize the power energy monitoring network. System, equipment monitoring network system, etc.
Low-voltage electrical appliances are widely used in various industries of the national economy and are closely related to the fixed investment situation of the whole society. 21 Actually, it was the rapid development period of China's low-voltage electrical appliance industry. The growth rate of China's low-voltage electrical appliance industry has remained at 10%-15% in recent years. The market capacity of the low-voltage electrical industry is closely linked to the development of the power, industrial, real estate and telecommunications industries. The demand structure adjustment of low-voltage electrical appliances and the potential demand in the international market provide a broad space for the future development of the low-voltage electrical industry.
During the “Twelfth Five-Year Plan†period, with the advancement of smart grid construction and the continuous development of low-voltage electrical production technology, a new generation of low-voltage electrical appliances with intelligent, modular and communicable features will become the mainstream products in the market. The first generation products will be withdrawn from the market in 2010, the second generation products will become low-end products, and the third generation products and some second-generation products will become mid-range products. From 2011 to 2015, the smart grid will enter the comprehensive construction phase in seven major areas of transmission, transformation, distribution and communication. The total investment in smart grid construction will be close to 2 trillion yuan. At the beginning of 2011, the State Council decided to implement a new round of rural power grid reconstruction and upgrading projects. A new round of rural power grid reconstruction projects will bring important development opportunities to the low-voltage electrical industry. From the perspective of various economic policies and institutional analysis, the power system infrastructure will continue to maintain a large investment scale in the next few years. Therefore, the low-voltage electrical industry will also be in a stable development stage, but the domestic and international market competition will become fierce.
With the research hotspots caused by smart grids at home and abroad, the "intelligent" and "communicable" of low-voltage electrical appliances will eventually develop towards the smart grid, forming a low-voltage customer-end industry for smart grids. The goal of the smart grid is to achieve reliable, safe, economical, efficient, environmentally friendly and safe use of the grid. The low-voltage user terminal of the smart grid is also reliable, safe, economical and efficient. It is indispensable to build a smart grid. The basic low-voltage power distribution system and the low-voltage electrical components are intelligent and communicable. The core components that play the role of control and protection include universal circuit breakers, molded case circuit breakers, etc. The intelligent and communicable devices of these devices naturally become The trend of the development of low-voltage electrical industry.
In view of the acceleration of the expansion of internationally renowned companies in China, the adjustment of China's strategy, the new round of asset restructuring and resource integration, the impact on the industrial restructuring and future development of China's low-voltage electrical industry will not be underestimated. With the rise of the smart grid, the high-end, medium-to-high-end low-voltage electrical appliances produced by China's low-voltage circuit breaker company will move closer to the smart grid, and will gradually form the low-voltage end industry of the smart grid, becoming a new growth point for the low-voltage electrical industry.
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