BURNDY
®
Canada: 1-800-387-6487 www.burndy.com US: 1-800-346-4175
M-1
Substation
Welded/EHV
TABLE OF CONTENTS
Introduction
BURNDY
®
DESIGN CRITERIA
Cable Connectors
Tubular Bus Connectors
Controlling Corona
Nomogram for Determining
Equivalent
Controlling Corona (continued)
Gradient Calibrator
Formula for Determining Voltage
Gradient
Nomogram for Finding the
Average Conductor-Surface
Voltage-Gradient
Radio Interference Voltage
Effect of Conductor Size on
Testing
Contamination
Conclusion
M-4
M-4
M-4
M-4
M-4
M-5
M-6
M-6
M-7
M-8
M-9
M-9
M-9
M-9
BURNDY
®
US: 1-800-346-4175 www.burndy.com Canada: 1-800-387-6487
M-2
Substation
Welded/EHV
Welded T-Connectors
Type SWAB-A-N Bus to Pad
Type SWT-A-A Bus to Bus
Type SWT-A-A-75 75�� Angle
Type SWAT-A-A-30 30° Angle
Welded Bus Supports
Type SWOH-A Fixed Bus
Support to Insulator
Type SWHRH-A Fixed or Slip Fit
Bus Support to Insulator
Type SWVH-A Vertical
Type SWXHP-A Bus to Bus
Expansion Coupler to Insulator
Miscellaneous
Type SWL-A Bus to Bus Elbow
90°
Type WLB-A Bus to End Cap
Type SCB-A Bus to Corona Bell
Type SWCB-A Ground Stud
Bus to Corona Sphere
Type WSBC Ball Coupler
Welded Terminals
Type SWA-A-N for Cable
Type SWA-A-N for Bus
Type SWAC-A-N for Bus
(Center formed)
Type SWXA-A-NK
Expansion for Bus
(Corona protection 345 kV)
Type SWXA-A-N
Expansion for Bus
(Corona Rings)
Welded Couplers
Type WSLB-A Bus to Bus
Type WS-A Bus to Bus
Type SWXP-A-A
Bus to Bus Expansion
TABLE OF CONTENTS (Continued)
M-10
M-11
M-12
M-13
M-14
M-15
M-16
M-17
M-18
M-19, M-20
M-21
M-22
M-23
M-24
M-25
M-26
M-27
M-28
M-28
M-29
M-30