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- 04-14 Asynchronous motor application Asynchronous motor is a kind of alternating current motor, and the ratio of its speed at load to the frequency of the connected grid is not constant. It also changes with the size of the load. The greater the load torque, the lower the speed of the rotor. Asynchronous motors include induction motors, doubly-fed asynchronous motors and AC commutator motors. Induction motors are the most widely used. Generally speaking, induction motors can be called asynchronous motors without...
- 02-22 Asynchronous motor characteristics 1. Small and lightweight.2. It is easy to realize high-speed rotation with a speed exceeding 10 000r/min.3. High operating efficiency at high speed and low torque.4. There is high torque at low speed, and a wide speed control range.5. High reliability (sturdy).6. Low manufacturing cost.7. Simplification of the control device.The basic feature of the asynchronous motor is that the rotor winding does not need to be connected to other power sources, and its stator current is dir...
- 02-22 Asynchronous motor history The asynchronous motor was invented in 1885 by the Italian physicist and electrical engineer Ferraris. In 1888, an experiment report was put forward, which gave a strict scientific description of the rotating magnetic field, which laid the foundation for the future development of asynchronous motors and self-starting motors. Ferraris believed that the scientific value of the rotating magnetic field theory he proposed and the new products he developed far exceeded the material...
- 02-22 Asynchronous motor Asynchronous motor, also known as induction motor, is an AC motor that generates electromagnetic torque by the interaction of air gap rotating magnetic field and rotor winding induced current, thereby realizing the conversion of electromechanical energy into mechanical energy. Asynchronous motors are divided into two forms according to the rotor structure: there are squirrel-cage (asynchronous motor squirrel-cage asynchronous motors) and wound asynchronous motors.Asynchronous...
- 02-22 According to the type of power supply, which types of motors are divided into? Electric motors are widely used and have many types. We generally distinguish the application of motors based on the classification of motors. The detailed classification of motors is as follows: Divided according to the type of power supply: it can be divided into DC motors and AC motors. DC motors can be divided according to structure and working principle: brushless DC motors and brushed DC motors. Brushed DC motors can be divided into: permanent magnet DC motors and...
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