Comparison Of The Development Status Of Various Motors In China

- Oct 17, 2018-

Comparison of the development status of various motors in China

The switched reluctance motor drive system has formed an optimized design and independent research and development capabilities. Through reasonable design of the motor structure and improved control technology, the product performance basically meets the needs of the entire vehicle; some companies have an annual production capacity of 2,000 sets, which can meet small batches. Supporting demand, some products have been equipped with demonstration vehicles for a long time, with good results.

AC asynchronous motor drive system China has established a development platform with independent intellectual property asynchronous motor drive system, forming a development, manufacturing, testing and service system for small batch production; product performance basically meets the needs of the whole vehicle, high-power asynchronous motor system has Widely used in all types of electric buses; product reliability has been initially verified through demonstration operations and small-scale market applications.

The switched reluctance motor drive system has formed an optimized design and independent research and development capabilities. Through reasonable design of the motor structure and improved control technology, the product performance basically meets the needs of the entire vehicle; some companies have an annual production capacity of 2,000 sets, which can meet small batches. Supporting demand, some products have been equipped with demonstration vehicles for a long time, with good results.

Brushless DC motor drive system Domestic enterprises have effectively improved the performance of brushless DC motor products by reasonably designing and improving control technology, and basically meet the needs of electric vehicles; they have initially possessed mechatronic design capabilities.

The permanent magnet synchronous motor drive system has formed certain R&D and production capacity, and developed different series of products, which can be applied to all kinds of electric vehicles. Some technical indicators of the products are close to the international advanced level, but the overall level still has a certain gap with foreign countries; It has the integrated design capability of permanent magnet synchronous motor; most companies are still in small-scale trial production, and a few companies have invested in the establishment of a dedicated production line for automotive drive motor systems.

The main materials of permanent magnet motor of permanent magnet motor material are NdFeB magnet and silicon steel. Some companies have mastered the overall magnetization technology of magnetizing the rotor of the motor before it is assembled.


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