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On March 15, 2008, Suzhou Science and Technology Bureau organized the scientific and technological achievement appraisal meeting of “Special Inverter for Uncoder Permanent Magnet Synchronous Motor†developed by Kunshan Youni Kang Industrial Technology Co., Ltd., which was chaired by Prof. Chen Boshi, the director of China's inverter industry. Expert committees from Tsinghua University, Zhejiang University, Shanghai University, Suzhou University, Alstom Company of France, Shanghai Electric Group and other units have highly praised the scientific research results, and believe that the inverter is without coding. The parameter identification and self-tuning of the permanent magnet synchronous motor, the speed and position estimation, and the software engineering design have reached the domestic leading level and the international advanced level. It is expected to promote the wide application of permanent magnet synchronous motor in the field of industrial dragging, and unanimously pass the appraisal. .
Permanent magnet synchronous motor has remarkable energy-saving effect. At the same time, it has the advantages of small size, light weight, large overload capacity, no change in speed with load, high running stability, etc. It is an ideal choice for high-power variable frequency speed control electric drive system, but It is difficult to start and control and its application is limited for a long time. The development of permanent magnet synchronous motor inverter can bring huge economic benefits, but due to the wide range of technologies and technical difficulties, so far there is no mature industrial product on the market. Our company is the first in the industry to develop a special inverter for encoderless permanent magnet synchronous motor, which greatly expands the use range of permanent magnet synchronous motor and can operate in harsh environments such as oil, coal mine and large engineering machinery.
In addition, Unicon will participate in the 12th International Industrial Automation Conference held at the Shanghai Everbright Convention & Exhibition Center from June 4th to 6th.