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BlogWe focus on high-tech research and development, energy-saving product design and production in the fields of fluid transportation (water pump, fan), fine control combustion, high-efficiency heat exchange and high-efficiency permanent magnet motor, and provide professional technical transformation services to provide users with professional comprehensive energy-saving solutions.
Hunan Guzhang Southern Cement Co., Ltd.-Transformation of Low Speed and High Torque Direct Drive Permanent Magnet Synchronous Motor for Coal Mill
Release time:
2024-06-20
The transformation was completed on July 8, 2021, and the motor has been running continuously since then. The operating parameters of the motor are relatively stable, with the highest current at 56A and the highest winding temperature at 56A. About 70 ℃, after the whole summer hot and high temperature test, the motor stator winding temperature control is good, bearing temperature below 60 ℃, motor speed control about 116 rpm, electricity The indicators of the machine meet the requirements of the national standard, reaching excellent, and the power saving rate is ≥ 14%.
The transformation was completed on July 8, 2021. Since the official and uninterrupted operation, all operating parameters of the motor are relatively stable, with the highest current at 56A and the highest winding temperature at about 70 ℃. After the test of hot and high temperature throughout the summer, the stator winding temperature of the motor is well controlled, the bearing temperature is below 60 ℃, the motor speed is controlled at about 116 revolutions, and all indexes of the motor meet the requirements of the national standard, reaching excellent and the power saving rate ≥ 14%
Energy consumption statistics of permanent magnet direct drive coal mill main motor before transformation
Energy consumption statistics of permanent magnet direct drive coal mill main motor after transformation
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