450KW AC Synchronous Motor

450KW AC synchronous motor is also an AC motor, where the rotor speed maintains a strictly constant proportional relationship with the grid frequency.
Therefore, its rotational speed is synchronized with the power supply frequency.
Constant speed is the core characteristic of synchronous motors,
Synchronous motors are used in various fields such as compressors, fans, water pumps, and mills.
The voltage of large grinding mill is generally 6kv/10kv and the power is 400kw-20000kw.

The base of 450KW AC synchronous motor is made of welded steel plates, and the selected raw material is high-strength steel plates. The tensile strength and impact resistance of steel plates are higher than those of cast iron, and their spacing and layout can be adjusted according to the power of the motor and the actual installation scenario. At the same time, it can ensure good heat dissipation during load operation.

The stator core is made of silicon steel sheets,
Silicon steel sheets can generate strong magnetic fields, are easy to magnetize and demagnetize, and have minimal hysteresis losses.
The addition of silicon increases the resistance of steel and effectively reduces the eddy current losses generated in the iron core. These are the advantages of silicon steel sheets,
The stator winding material uses pure copper, which has conductivity second only to silver and is much cheaper than silver.

The rotor is the core of a synchronous motor,
The manufacturing material of the rotor is also made of silicon steel sheets, which are stacked and pressed into shape through mold stamping.

In March 2025, we received an 450KW AC synchronous motor inquiry from a gold mining client.
Here are the parameters of this motor.

The customer needs this 450KW AC synchronous motor for gold mining, to drive a ball mill.
They don't want to replace the existing control systems, such as the excitation cabinet and the control cabinet part.
To meet the customer's requirements, our company's engineers held a meeting for this project. After detailed simulation of the plan, we finally came up with a solution that can meet the customer's needs.

After reviewing our parameters, drawings and quotations, the customer was very satisfied. Then our cooperation began randomly.
After 55 days of production, the synchronous motor for the ball mill was completed.
After the customer received the motor and used it in practice, they said that the operation was very stable.

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