Recently, the project documents issued by the Ministry of Science and Technology of the People's Republic of China indicate that the “Application of Sensorless Three-phase Vector Control Technology†independently researched and developed by the Chunlan Group is included in the National Torch Plan.
The position sensorless three-phase vector control technology is a highly efficient and energy-saving DC brushless motor speed regulation technology. At present, this technology is only controlled by a few companies in Japan and they have always imposed a technical blockade on China. Although some domestic companies have already made similar products, the most critical component of these products is the chip, which is still Japanese. Domestic enterprises have no core technology and independent intellectual property rights.
Chunlan is equipped with powerful hardware facilities and software support such as vector adjustment technology laboratory, intelligent control laboratory, and product development room, as well as international advanced precision R&D and testing equipment such as fast transient generators and power frequency analyzers. By strengthening research and development investment and strengthening cooperation with world-class scientific research institutions, through unremitting efforts, we have finally developed a position sensor-free three-phase vector control technology that meets the development trend of world frequency conversion technology, has a number of patents, and has completely independent intellectual property rights. . Tested by authoritative professional organizations, its technical indicators have reached the world's advanced level, and related products can meet the needs of different countries and regions.
After applying the sensorless three-phase vector control technology, the 4P green DC inverter air conditioner produced by Chunlan realizes full-time, real-time and dynamic intelligent group control and precise adjustment of the compressor speed, indoor air volume and refrigerant flow rate, so that the compressor is always in position. With the best power output status, the air-conditioning energy efficiency ratio has reached the national level 1 standard, which is more than 30% energy-saving and energy-saving than the fixed-frequency air-conditioning; the average noise reduction is 6 decibels, which is 1-2 orders of magnitude lower than the noise of mainstream products in the market. As a result, it has become a classic high-end product in the field of inverter air conditioners in China, and it has effectively implemented the national energy-saving and emission reduction strategy.
It is understood that the project included in the National Torch Plan will become a national high-tech project and will be supported by relevant national policies, funds and technology.
The position sensorless three-phase vector control technology is a highly efficient and energy-saving DC brushless motor speed regulation technology. At present, this technology is only controlled by a few companies in Japan and they have always imposed a technical blockade on China. Although some domestic companies have already made similar products, the most critical component of these products is the chip, which is still Japanese. Domestic enterprises have no core technology and independent intellectual property rights.
Chunlan is equipped with powerful hardware facilities and software support such as vector adjustment technology laboratory, intelligent control laboratory, and product development room, as well as international advanced precision R&D and testing equipment such as fast transient generators and power frequency analyzers. By strengthening research and development investment and strengthening cooperation with world-class scientific research institutions, through unremitting efforts, we have finally developed a position sensor-free three-phase vector control technology that meets the development trend of world frequency conversion technology, has a number of patents, and has completely independent intellectual property rights. . Tested by authoritative professional organizations, its technical indicators have reached the world's advanced level, and related products can meet the needs of different countries and regions.
After applying the sensorless three-phase vector control technology, the 4P green DC inverter air conditioner produced by Chunlan realizes full-time, real-time and dynamic intelligent group control and precise adjustment of the compressor speed, indoor air volume and refrigerant flow rate, so that the compressor is always in position. With the best power output status, the air-conditioning energy efficiency ratio has reached the national level 1 standard, which is more than 30% energy-saving and energy-saving than the fixed-frequency air-conditioning; the average noise reduction is 6 decibels, which is 1-2 orders of magnitude lower than the noise of mainstream products in the market. As a result, it has become a classic high-end product in the field of inverter air conditioners in China, and it has effectively implemented the national energy-saving and emission reduction strategy.
It is understood that the project included in the National Torch Plan will become a national high-tech project and will be supported by relevant national policies, funds and technology.
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