Control cabinet is according to the electrical wiring requirements of the switch equipment, measuring instruments, protective appliances and auxiliary equipment assembled in the closed or semi-closed metal cabinet or screen, its layout should meet the requirements of the normal operation of the power system, easy maintenance, does not endanger the safety of the person and surrounding equipment.

According to different starting modes, the control cabinet can be divided into: autocoupling step-down start control cabinet, star triangle start control cabinet, soft start control cabinet and frequency conversion control cabinet.