Three Phase High Voltage Slip Ring Motor

The casing of the Three phase high voltage slip ring motor is made of durable cast steel. The environment of copper mines is extremely dirty and humid; This type of shell can withstand bumps and impacts, and is not easy to rust - its durability is unparalleled.

The Three phase high voltage slip ring motor is structurally different from ordinary motors: it has a "slip ring" device at the rear that allows external resistors to be connected to the rotor.
In this way, when the motor starts, the slip ring device can gradually adjust the speed while reducing the starting current to prevent sudden surges and overload during the starting process.

This type of motor is very useful in copper mines:
Copper mining equipment is very heavy, and its' soft start 'can prevent sudden pressure that may quickly damage the equipment.
If the equipment in the copper mine is suddenly blocked by a large medium, the slip ring motor can slow down or even reverse, thereby reducing the risk of motor burnout.

The motor's power we just exported is 315 kw, which is sufficient to support the continuous operation of the crusher and conveyor for a long time.
In addition, its IP55 protection level can protect against dust and splashing water in mines.
This motor is designed specifically for copper mining operations, aiming to withstand harsh and harsh conditions on site while providing reliable performance.
Three phase high voltage slip ring motor is a reliable and high-performance "main" equipment that can meet the strict requirements of mining operations, ensure stable production efficiency, and require almost no additional maintenance
The Three phase high voltage slip ring motor requires the following maintenance items:

Weekly maintenance: Focus on cleaning the dust in the motor cooling channel and slip ring cover.

Monthly maintenance:
1. Measure the insulation resistance of the motor (using a 2500V megohmmeter);
2. The insulation resistance of the stator winding to ground is ≥ 1M Ω/kV, and the resistance of the rotor winding to ground is ≥ 0.5M Ω.

Maintenance every 3-6 months:
1. Bearing maintenance:
2. Clean the old grease and replace it with new grease,
3. Replace the electric brush,
4. Thoroughly clean the slip ring,
5. Check the rotor circuit.

Annual/in-depth maintenance every 5000 hours.

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