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Traction transformer for coal mining machine
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- 产品描述
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Performance Characteristics
Adaptation To Special Environments:
It can operate safely in mines with explosive risks where methane mixtures and coal dust are present. It has features such as being flame-retardant, having high fireproof performance and not producing harmful gases.
Excellent Electrical performance:
High-quality silicon steel sheets are selected to reduce the magnetic flux density and the magneto strict ive amount of the silicon steel sheets, effectively reducing noise. The structure of the high-voltage coil is optimized to improve the distribution of inter layer voltage and capacitance, enhance the ability to withstand atmospheric over voltage and switching over voltage impacts, and reduce the partial discharge amount.
Strong Overload And Short-Circuit Resistance:
Ith asa relatively strong overload capacity and short-circuit resistance, and can provides table power supply under the complex working conditions of shearers, reducing the number of power outages caused by overload or short-circuit fault sand improving the working efficiency of shearers.
LOW Losses:
Through optimized design and the selection of high-quality materials, the no-load losses and load losses of the transformer are reduced, improving the energy utilization efficiency and reducing the coal mining cost. Insensitivity to Dust: In the dusty environment underground in coal mines, its performance isnot affected by dust and it can maintain as table operating state, reducing the incidence of failures caused by dust accumulation.
Simple Maintenance:
Ith asa relatively simple structure, requires little maintenance work, and the maintenance operations are convenient, which can reduce the maintenance cost and downtime of shearers.
Cooling Method
Air Cooling Device:
Itis usually equipped with an air cooling device, and the fan can be automatically started according to the load size for cooling, effectively improving the overload capacity of the equipment and ensuring that the temperature of the transformer remains within a reasonable range during high-load operation.
Technical Parameters
Rated Capacity voltage level Voltage voltage level Voltage (KVA) (V) (V) 80 1140/400 100 1140/400 125 1140/400 3300/400（460） 200 1140/400 3300/400（460） 250 1140/400 3300/400（460） 300 3300/400（460,660） 360 3300/400（460,660） 400 3300/400（460,660） 450 3300/400（460,660） 500 3300/400（460,660） 530 3300/400（460,660） 570 3300/400（460,660） 580 3300/400（460,660）
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