Most of the existing domestic coal mine underground coal mining scraper conveyor drive motors generally use the direct start mode, and rarely use inverters or soft start drives. Under the complex conditions of the coal mine, frequent startups and heavy loads run for a long time, the equipment starts quickly, the startup current is large, and severe impact on the equipment will accelerate the aging of the equipment, increase the workload of maintenance and reduce the service life of the equipment.
Explosion-proof and intrinsically safe variable frequency speed governing integrated machine as the motor of the drive unit of the coal mining scraper conveyor in coal mines, which takes up less space, reduces the use of cables, and is easy to install; realizes soft start, the motor starting current is far less than the rated current, and the starting time is extended It can reduce the mechanical damage of the starting machine torque to the equipment, improve the service life, reduce the equipment failure rate, play a key role in saving energy and reducing consumption and protecting the equipment, and better meet the needs of comprehensive mechanized coal mining.
