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Synchronous Motors for Mining Applications

Brand: ZCL

Product Origin: China

Delivery Time: 45-90 days

Supply Capacity: 300 units/month


Описание товара

Large-scale synchronous motor ventilation for mines is open-type natural ventilation or can be made into fully enclosed pipeline ventilation. 
High-voltage synchronous motor base for mine: welded by steel plate, the lower part of the base is the outlet end of the motor. 
The stator core of the synchronous synchronous motor is made up of fan-shaped sheets punched by 0.5 mm thick low-loss silicon steel sheets, and the core segments are separated by radial ducts; the windings are formed by double-stack windings with short spans, using B Class insulation or Class F insulation, temperature rise according to Class B assessment to facilitate extended service life; winding ends are reliably fixed and ligated, and vacuum pressure impregnated solventless lacquer process (VIP) is used, which is repeated several times during the manufacturing process. The inter-turn pulse withstand voltage and the ground pressure test, the motor insulation performance is excellent and reliable, the mechanical strength is good, and the moisture resistance is strong. 


Rotor of mine synchronous motor: The magnetic pole is made of steel plate and is mounted on the rotor yoke together with the magnetic pole coil. The magnetic pole coil is B-class or F-class insulation. When the user adopts pneumatic clutch, it can be designed according to user requirements. Or shaft punching.(The center is long through hole, the shaft end is blocked, the air head is installed on the shaft head, and the other end is processed as required, and the bolt hole is connected to the rotary joint of the air clutch.)


The high-voltage mine synchronous motor is suitable for working in an indoor environment where the altitude does not exceed 1000 m, the temperature of the cooling medium does not exceed 40 degrees, there is little dust, and there is no corrosive gas such as steam, acid or alkali. This series of motors is rated at 6000V and can also be supplied with 3000V and 10000V according to user requirements. The allowable voltage has a deviation range of +5%, the rated power supply frequency is 50 Hz, and the rated power factor is 0.9 (leading).


The mine synchronous motor has a cylindrical shaft extension end, and its rotation direction should be rotated in the direction specified by the sign. The direction of rotation is generally counterclockwise from the end of the collector ring, and can also be made clockwise according to requirements. When the motor and the mill are coupled by a coupling, the motor shaft cannot be extended to withstand external radial or axial forces.

The mining synchronous motor excitation system uses a thyristor excitation device.


The mine high-voltage synchronous motor allows full voltage to be started directly. If the user's power grid does not allow the full voltage to start directly, the step-down start can also be used. At this time, the starting current of the motor decreases in proportion to the terminal voltage, and the starting torque decreases in proportion to the square of the terminal voltage.


This series of synchronous motor stator lead-out line: there are six outlet heads, namely U1, V1, W1, U2, V2, W2, which are led out on the lower output clamp of the base by high-voltage rubber cable, and can also be made into junction box according to requirements. wiring.


This series of synchronous motor seat bearings: oil ring bearings or composite bearings, seat bearings are installed between the bottom plate with insulation pads to prevent the generation of shaft current.

This series of motors is mainly suitable for large AC three-phase synchronous motors used in transmission mine mills. The main transmission lattice ball mill, rod mill, coal mill mining equipment.

The main motor is coupled with the pinion through the air clutch to realize a single-stage reduction transmission to drive the rotation of the rotary part.


Product Parameters

Motor Name: TDMK Mine High Voltage Synchronous Motor

Power range: 300KW-5000KW

Speed range: 150--500 r/min

Rated voltage: 6000V/10000V/13800V (can also be made into other grade voltages)

Rated frequency: 50HZ/60HZ

Power factor: 0.9

Insulation class: F

Temperature rise level: B

Maximum torque multiple: 2.0

Protection level: IP00/IP21/IP23

Installation method: IM7311

Working system: S1

Excitation mode: static thyristor, other excitation methods can also be used

Connection: Y

Cooling method: IC01. Other forms of motors can also be produced according to user requirements, such as duct ventilation and air and air cooling.

Mine synchronous motor use elevation: no more than 1000m, the motor can be installed according to the requirements of temperature measurement, heater, impact protection and other devices. The allowable voltage has a deviation range of ± 5%, because the power factor is ahead of the grid, which has a certain compensation effect on the grid. This type of motor is suitable for use in environments where the ambient air temperature does not exceed 40 ° C and there is no serious dust, the minimum ambient air temperature is -15 ° C, and there is no corrosive and explosive gas in the air (which can also be made into a damp heat or high-altitude motor).


Feature of Product

TDMK mining synchronous motors have high starting torque and high out-of-step torque. The motor has an advanced power factor (which improves grid power factor), high efficiency, high stability and high overload capability, and has the performance that the speed does not change with load.

Synchronous Motors for Mining Applications

Main Process Flow of the Motor

Motor stator: casing processing → punching press → iron core seating → coil making → weaving → dipping paint drying

Electronic rotor: blank shaft processing → iron core press installation → iron core cast aluminum → rotor string shaft → weave → dipping paint drying → dynamic balance

Motor assembly: stator rotor assembly → machine test → motor appearance coloring → packaging storage

Synchronous Motors for Mining Applications

Customer Visit

The company insists on providing high-quality motor products and services to users, and has won high praise from many domestic and foreign customers. The company will receive many foreign merchants to visit our factory every year, and establish a good cooperative relationship through on-site inspection of our factory. Our company always welcomes customers to visit our factory.

Synchronous Motors for Mining Applications

Product Use

The motor products manufactured and sold by our company are used in many industries, such as electric power, mining, steel metallurgy, petrochemical, water conservancy, transportation, building materials and many other industries. The equipment for the motor is pump, machine tool, fan, mill, crusher, rolling mill, compressor and many other industrial equipment.

Synchronous Motors for Mining Applications

Why Choose Us(our service advantage)

1. Professional motor manufacturing service provider;

2. Sound product quality management and certification system;

3. Have a professional sales and technical service team;

4. The motor has perfect process and strong mechanical processing capability;

5. High standard product technical service system;

6. Good faith and mutual benefit, good credit guarantee.

Связаться с нами
  • Телефон.: +86 311 8924 6924
  • Эл. адрес: zclgroup@zcl-group.com
  • Факс: +86 311 8924 6924
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