Customer Question & Answer (0)
The wall bushing is used in power station and apparatus, and used to ensure the conductor pass through the wall, the floor, or the shell of other apparatus. And to keep the primary high-voltage insulate from the ground or shell.
The wall porcelain bushing is made of porcelain tube, conductor, terminal attachments and flange.
In used site: Indoor wall bushing ( indoor indoor ), outdoor bushing ( outdoor indoor )
In conductor material: Bus bushing ( no conductor ), Cu bushing, AL bushing
3. Insulate level of common voltage
KV System voltage, kV Power voltage Lightning impulse withstand voltage(peak), kV
Withstand Breakdown Corona
7.2 6 23 58 - 60
12 10 30 75 - 75
24 20 50 120 14.8 125
40.5 35 80 176 25.8 185
Note: 33kV 36kV is same with the 40.5kV