In order to improve the output of raw material grinding and the qualification rate of raw materials,Guangxi Hechi Guotou Yufeng Cement Co.,Ltd.has added a soil crusher,which adopts full pressure starting method.As the number of other devices increases,the impact of this starting method on the normal operation of transformers and other equipment becomes increasingly significant.In order to change the current situation of the main motor control system for soil crushing,several existing starting methods are compared,and the best starting method is selected for the design,installation,and commissioning of the control system.The improved control system has changed the original starting method,with advantages such as low production cost,minimal impact on grid voltage,and long equipment service life.
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