Domestic motor technology ranks first in the world

The International Electromechanical and Systems Academic Conference was held in Beijing some days ago. Nearly half of the participants came from foreign countries. Many internationally advanced research institutions sent delegations to participate. “This shows that the international community has recognized China’s technological achievements in the field of motor research.” Zhao Zhengming, professor at the Tsinghua University, interpreted this.

In recent years, due to the rapid development of China's household electrical appliance industry, the market has a huge demand for motors. Driven by the market, China has developed rapidly in motor manufacturing and has begun to take the lead in the world. At present, the development direction of China's electrical industry is humane and environmental protection and energy conservation. Many companies are working hard in this direction, and Gree is one of the best. According to reports, in recent years, Gree's ultra-low temperature digital multi-connection group, G10 low-frequency control technology, ultra-high-efficiency constant-speed compressors and other technologies have reached the international advanced level. At present, Gree’s 1 Hz air conditioner, which is the main push in the market, is at the leading level internationally. Previously, Japan's frequency conversion technology could only reach low-frequency operation above 10 Hz, and Gree could not only develop a 1 Hertz compressor, but could also use this technology for production and put into the market.

It is understood that Gree 1 Hz inverter technology allows air conditioner compressors to operate stably at ultra-low frequencies of 1 Hz. Under energy-saving conditions, it not only provides a constant temperature and comfortable environment for the interior, but also scientifically solves the cold output problem. The best environmental protection frequency conversion solution.

Zhao Zhengming stated that at present, there is a widespread problem that advanced technology and industrialization are not fully integrated at the international level. Gree has overcome the disconnect between technology and industrialization and applied advanced technologies to production. Through the market performance of the 1 Hz air conditioner, it can be seen that Gree's 1 Hz air conditioner has been recognized by the market and meets the needs of the market.

According to Gree, the energy saving effect achieved by 1 Hz air conditioner is very significant. For example, U series inverter air conditioners adopting Gree 1 Hz ultra-low frequency control technology have a minimum cold output of only 300 watts and a minimum power of only 45 watts. .

With the comprehensive grasp of the low-frequency technology of 1 Hz and the frequency conversion core component technology, Gree's inverter air conditioner sales shined in the first half of the year. According to statistics, in the first half of this year Gree air-conditioning sales revenue of 37.204 billion yuan, an increase of 61.86%. Among them, Gree inverter air conditioner sales have exceeded 40% of total sales.

Gree Electric relevant responsible person said that in the second half of this year, the company will continue to increase investment in scientific and technological research and development, improve air-conditioning product line and optimize product structure, increase the promotion of central air-conditioning and self-owned brand export efforts and other initiatives, further To enhance the company's core competitiveness and strengthen Gree air-conditioning's international leading position.

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