Knowledge

What is the difference between a DC motor and an AC motor? Take a single-phase motor as an example. First of all, DC motors and …

A ring-shaped permanent magnet is fixed inside the DC motor, and the current generates an Amperage force through the coil on the rotor. When the …

A DC motor is a rotating electrical machine that converts DC electrical energy into mechanical energy (DC motor) or converts mechanical energy into DC electrical …

1. What are the causes of abnormal vibration and sound of the AC motor? Mechanical aspects: (1) poor bearing lubrication and bearing wear; (2) The …

1. Why can't I start the ac motor in a cold environment at will? The motor is too long in a low temperature environment and …

1. Why does the ac motor generate shaft current? The shaft of the motor—bearing—the current in the base circuit is called the shaft current. Reasons …

1. The AC motor should be kept clean at all times, and no debris is allowed to enter the inside of the AC motor; the …

AC motor maintenance Preparation and inspection before starting 1. Check whether the grounding of the electric and starting equipment is reliable and complete, and whether …

Principle of AC motor： Description of single-phase capacitive motors: Single-phase motors have two windings, the start winding and the running winding. The two windings are …

AC motor frequency control: The frequency converter is applied with frequency conversion technology and microelectronic technology to control the electric drive components of the AC …