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- 2024-08-15What performance of the motor is affected by winding slot ma
A motor factory has manufactured nearly 100 YKK high-voltage motors for customers, with frame sizes ranging from H450 to 710. The heat load was designed to be very low, and the design temperature rise was lower than 68K. However, within less ...
- 2024-08-14Characteristics of variable frequency motor
B-class temperature rise design, F-class insulation manufacturing. The use of polymer insulation materials and vacuum pressure varnishing manufacturing process and special insulation structure greatly improves the insulation withstand voltag ...
- 2024-08-13What is the purpose of a rotor overspeed test?
The overspeed test is to test the mechanical strength of the rotor parts under centrifugal force and the mechanical strength of the bearings under overspeed due to the rotor's own shape, manufacturing process and in a specific working enviro ...
- 2024-08-12Why does local discharge occur in high-voltage motor winding
The insulation treatment of stator winding is a difficult point in the manufacturing of high-voltage motors, including electromagnetic wire, winding outer insulation, high and low resistance belts, as well as specific links such as winding e ...
- 2024-08-09Three-phase asynchronous motors are the most widely used
In modern industrial production, motors are an indispensable and important part. The three-phase asynchronous motor is a widely used type of motor, and its popularity can be said to be the most extensive in the world. So why is the three-pha ...
- 2024-08-08PTC and PT100
PTC and PT100 are commonly used thermistors in motor windings. Both are thermal resistors, and their resistance values will change with temperature. However, their functions and uses are different. About PTC PTC is the abbreviation o ...
- 2024-08-06Inspection and maintenance of explosion-proof motors
I. Appearance inspection: 1. Check whether the motor housing has cracks, open welding, deformation, whether the spare parts are complete, and whether there are any damages. 2. Check whether the fasteners of the explosion-proof parts are co ...
- 2024-08-05Can dust explosion-proof motors replace gas explosion-proof
Gas explosion-proof and dust explosion-proof are two different concepts. They are safety measures taken for different types of explosive environments. Due to different environmental characteristics, their measures and considerations are also ...
- 2024-08-02Some explanations about explosion-proof electrical equipment
In the production process of coal mines, there are explosive substances such as gas and coal dust. In order to ensure safe production and prevent explosion accidents caused by gas and coal dust, on the one hand, the content of gas and coal ...
- 2024-07-31Vibration consolidates the foundation, tunnels connect the w
With the continuous advancement of global urbanization, the population concentration continues to increase, and the demand for transportation between cities is becoming increasingly strong. As an important channel connecting cities, tunnel ...
