Answer：Force waves with low vibration order and large amplitude play a major role in the vibration and noise of the motor. When the force wave order is large, it can be ignored; when the force wave order is low, the magnetic field harmonics that generate th...
Answer：The development of drive technology, from the original dominance abroad to the emergence of various excellent technologies in China, shows the progress of domestic technology. At the same time, it can also be seen that every technological innovation ...
Answer：eVTOL refers to an aircraft that uses electricity as a flying power source and has vertical take-off and landing capabilities . It has the characteristics of vertical take-off and landing, intelligent operation, and fast maneuverability. Compared wit...
Answer：When the car starts or changes speed suddenly, there will be a metallic collision sound, and there will be a slight vibration at the rear of the car body when turning. This means that the fixing bolts or rivets of the differential case have been seri...
Answer：In modern industrial production, mechanical equipment plays a vital role. They not only improve production efficiency, but also reduce labor intensity, providing strong support for the development of enterprises. Today, let's take stock of the m...
Answer：Brushless motors do not require brushes and commutators, which are generally considered to be the disadvantages of DC motors, so brushless motors do not require regular maintenance.
Answer：For a long time, low-speed electric vehicles have been labeled as no standards, no technology, and small workshops. In order to understand the real production process of low-speed electric vehicles, we went into the production workshop of electric Ve...
Answer：Many domestic eVTOL complete machine companies basically purchase supporting motors and drives from Europe to realize the flight of full-scale verification aircraft first, while waiting for the formation of domestic supporting equipment, which furthe...
Answer：Low-speed electric vehicles are a branch of low-speed vehicles, which refer to low-speed vehicles that are purely electric. Different countries and regions have different definitions of low-speed vehicles, so the definition of low-speed electric vehi...
Answer：low-speed electric vehicles have become increasingly popular in overseas markets . They have been sold to more than countries and regions. The export of low-speed electric vehicles has become a new profit growth point for manufacturers and merchants ...
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