Strongly compressed air to extinguish the arc through arc area

Compressed air as the dielectric and insulating medium interrupter breakers. Strongly compressed air to extinguish the arc through the arc region, and as a pillar porcelain  electri cenergy meter ventilation to keep the cavity dry. Compressed air is first compressed to a pressure of 15 ~ 20MPa, and then reduced to 2 ~ 3 MPa to obtain a relative humidity of 15% to 20% of the dry air, which can avoid the diurnal  circuit breakers  changes by 20 ~ 30 ℃ the saturation and precipitation moisture. Air circuit breakers usually interrupter, support structures and gas system components, can be divided into instantaneous inflatable, inflatable sub-gate, often inflatable and constant pressure of four.