Reactive Compensation Device for Comprehensive Mining Working Face with High Productivity and Efficiency

On the basis of analyzing the power supply of comprehensive mining working face with high productivity and efficiency in Xinglongzhuang coal mine, a kind of mine used flame proof high voltage reactive compensation device is designed. According to the changes of reactive power and voltage of the power system in working face, the device can automatically switch the capacitor bank in order to increase the power factor, improve power supply and save energy.