High-voltage inverter market has seen explosive growth

Abstract: The role of high-voltage frequency converters in energy saving and consumption reduction is extremely obvious. It has become an important tool for energy conservation and emission reduction. With the macro-control of national policies, as well as the introduction of energy-saving emission reduction policies, high-voltage inverters are ushering in a golden period of development. Driven by the implementation of national energy conservation policies and the intrinsic needs of large and medium-sized industrial enterprises in reducing energy consumption, the high-voltage inverter market has experienced explosive growth in recent years, with an average annual growth rate of more than 40%, and the future is very promising.

Sixty-six percent of China’s total electricity is consumed on electric motors, and China’s current installed total Electric Motor capacity has exceeded 400 million kW, of which high-voltage motors account for about half. At the same time, nearly 70% of the loads in high-voltage motors are fans, pumps, and compressors. Half of these are suitable for speed control. In other words, about 75 million kW of high-voltage motors are in a state of wasting operation. China's high-voltage inverter market is still in its infancy, which is different from the basically saturated conditions of energy-saving markets in Europe, America and Japan. Our country studied the Soviet Union in the 1950s, leaving a lot of margin for industrial design and forming a huge energy-saving market. Therefore, even foreign-funded enterprises that already have strong capabilities are difficult to obtain a monopoly position in China's high-voltage frequency converter market, and in addition, they may be “satisfied with soil and water”. Therefore, China's high-voltage inverter manufacturers still have better room for development.

Therefore, the huge growth space and the current rapid growth trend of China's high-voltage frequency converter market bring good development opportunities for domestic companies in China, and the differences in concepts such as the localization of foreign-funded enterprises also provide conditions for strengthening the advantages of China's domestic enterprises. These provide good opportunities for the future development of high-voltage inverter companies in China. However, China's high-voltage inverter market has its own particularities, including:

(1) The industry is very strong, mainly concentrated in the metallurgy, electric power, water supply, petroleum, chemical, coal and other industries. In the industrial power industry, oil, coal and other energy industries accounted for 22.34% of power consumption, 14.73% for chemical industry, 14.18% for metallurgy, 10.96% for machinery and building materials, and 10.53% for water supply.

(2) At present, among the industries in China, only a small number of enterprises use high-speed motors for speed control, and there are many market gaps.

(3) The high voltage frequency converter is a kind of investment equipment, mainly used for energy saving and improving the production process. Whether users purchase such equipment is very much related to the government’s policy orientation. If the government’s promotion efforts are large, the market will start faster, and vice versa. On the other hand, the market is also affected by the international and domestic economic environment and the overall economic efficiency of certain domestic industries. Therefore, there are still some uncertain factors in the future market development process. High voltage frequency converter is widely used in metallurgy, electric power, water supply, petroleum, chemical industry, coal and other fields as a motor energy-saving and speed-regulating device. Its market analysis is as follows:

1) Metallurgical industry The application of high-voltage frequency converters in the metallurgical industry mainly includes rolling mills, coilers, fans, and slurry pumps for sheet and wire rods, and the main purpose of this is motor energy-saving.

2) Power Industry China's power generation capacity ranks second in the world, second only to the United States. The electric power industry is also one of the important application fields of frequency converter products. From the control process related to the inverter in China's thermal power plants, the drive devices for wind, coal, water, slag, and exhaust gas systems are all suitable for inverter applications.

Among them, in addition to the coal system (pulverizer, coal feeder), the other four types of systems are mainly fan and pump. Inverter products are mainly used to change the amount of coal, powder, water, etc., in order to adapt to changes in the load, and ultimately achieve the purpose of energy conservation, improve the control of the level of technology, the thermal power plant, energy saving, emission reduction, safety, stable operation There's important meaning.

3) Water supply and drainage systems and sewage treatment systems in water supply utilities. These facilities are mainly fan and pump motor loads. The use of high-voltage inverters is very effective in energy saving, and generally can save about 30%.

4) Oil and Gas Drilling Industry The oil and gas drilling industry has been in a high boom period since 2004, and exploration expenditure expenditures of China's three major oil companies have maintained a growth rate of more than 20%. Recently, a series of major resource discoveries have emerged in the field of oil and gas in China, such as Hebei Jidongnanpu oilfield with a geological reserve of 1 billion tons of crude oil, Sichuan Longgang gas field with 500 billion cubic meters of geological reserves, and Tahe River, a geological reserve of nearly 200 million tons of crude oil. Oilfield 12 and other areas will further promote the investment in oil and gas exploration. It is expected that the expenditures for oil exploration and exploitation by major oil companies will increase in the coming years. The frequency converter is used in the oil exploitation industry and is mainly used for motors of load types such as oil extraction machines (header machines), injection pumps, submersible pumps, oil pumps, and gas compressors, and is mainly used for the purpose of energy conservation of electric motors.

5) Petrochemical Industry Petrochemical industry is the artery of national economic development. The frequency converter is mainly used in various types of pumps, compressors and utilities in petroleum processing (refining) to achieve energy saving and control of process level.

6) Coal Industry China is the world's largest coal producer. The coal industry, which is China's energy basic industry, has always been a labor-intensive enterprise. To transform it into a technology-intensive one and take a new road to industrialization, we must vigorously promote high technology and improve the operational efficiency and automation of equipment. The frequency conversion speed regulation technology used in the coal industry mine hoist can play a good energy-saving effect. At present, developed countries have generally used frequency converters for belt conveyor speed control or belt conveyor start control, fan speed control (including main fan and local fan), and Water Pump speed regulation. In addition to improving the transmission performance for the motors in the above-mentioned devices, it is more important to save energy.

7) Building Materials Industry Building materials industry is an important material industry in China. Its products include three categories of building materials and products, non-metallic minerals and products, and inorganic non-metallic new materials. Inverter products are mainly used in blower, crusher, belt conveyor, exhaust fan, rotary kiln and other equipment in building materials industry. According to statistics from related agencies, about 70% of China's cement production capacity is a shaft lagoon with a backward technology level, and it has high energy consumption. Through the transformation of the inverter, it can save 10% to 20%, and at the same time it can improve the controllability of product quality. According to Orient Securities analysis, the demand for high-voltage frequency converters will maintain a growth rate of over 40% in the next few years. It is expected that by 2012, the market capacity of high-voltage inverters in China will reach approximately 8.8 billion yuan, and the market capacity of inverters in the next decade will be conservatively estimated. More than 50 billion yuan. China's high-voltage inverter market has great potential. China's high-voltage inverter application rate is currently less than 30%, and developed countries have reached 70%. The installation of frequency converter can achieve an average power saving effect of 30%, so in the low-carbon economy environment, high-voltage frequency converters accelerate the application. In 2008, China's high-voltage inverter market had sales of 3.4 billion yuan, and it is expected to maintain a growth rate of more than 40% in the next four years. If only 30% of the existing motors and new motors are to be speed-controlled and energy-saving, there will be a market capacity of about 70 million KW and 70,000 units. In the next decade, the market capacity will exceed 70,000 units and the output value will exceed 50 billion yuan. From the application market analysis of all the above industries, we can see that high-voltage inverters, as the main power electronic devices for motor energy saving, have a large market space and a broad development prospect.

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