Anti-condensation alternate dehumidification ring main unit and use method thereof

The invention relates to the technical field of ring main units, and discloses an anti-condensation alternate dehumidification ring main unit and a using method thereof.The anti-condensation alternate dehumidification ring main unit comprises a cabinet body, a control system is arranged in the cabinet body, a dehumidification unit is arranged on the cabinet body, and the control system is in control connection with the dehumidification unit; the dehumidification unit comprises an alternate dehumidification assembly arranged on the back face of the cabinet body and a ventilation assembly arranged on the alternate dehumidification assembly. The alternate dehumidification assembly comprises a supporting cover arranged on the outer back face of the cabinet body, a net cylinder arranged in the supporting cover, absorbent cotton arranged on the inner cylinder wall of the net cylinder and an air guide cylinder arranged in the absorbent cotton, wherein a ventilation opening is formed in the bottom of the supporting c