BURNDY Master Catalog (20190422)

Substation - Welded/EHV

Table of Contents

Table of Contents

EHVSubstationConnectors Introduction .......................................................................M-2 BURNDY ® DesignCriteria ......................................................................................................M-2  CableConnectors....................................................................................................................M-2  Tubular Bus Connectors.........................................................................................................M-2  ControllingCorona...................................................................................................................M-2  Nomogram - Determining Equivalent Height......................................................................M-3  ControllingCorona (continued)..............................................................................................M-4  Gradient Calibrator...................................................................................................................M-4  Formula for Determining VoltageGradient..........................................................................M-5  Nomogram - Finding AverageConductor-Surface Voltage-Gradient   fromLineDimensions and Voltage.....................................................................................M-6  Radio Interference Voltage.....................................................................................................M-7  Effect of Conductor Size on Testing......................................................................................M-7  Contamination...........................................................................................................................M-7  Conclusion.................................................................................................................................M-7 Welded Terminal Connectors  Type SWA-R-N, Cable to two or four hole pad (offset terminal)...................................M-8  Type SWA-A-N, Bus to two or four hole pad (offset terminal).......................................M-9  Type SWAC-A-N, Bus to two or four hole pad (center formed)....................................M-10 WeldedExpansion Terminals  Type SWXA-A-NK, Corona Protection to 345kV, Bus to four hole pad......................M-11  Type SWXA-A-N, Terminal withCoronaRings, Bus to four or six hole pad..............M-12 WeldedCouplers  TypeWSLB-A, Bus to bus coupler....................................................................................M-13  TypeWS-A, Bus to bus coupler.........................................................................................M-14 WeldedExpansionCoupler  Type SWXP-A-A, Bus to bus expansion..........................................................................M-15 Welded T or “A” FrameConnectors  Type SWAB-A-N, Bus to pad..............................................................................................M-16  Type SWT-A-A, Bus to bus T connector...........................................................................M-17  Type SWT-A-A-75, Bus “A” frame connector, 75° angle................................................M-19  Type SWAT-A-A-30, Bus “A” frame connector, 30° angle.............................................M-20 WeldedBus Supports  Type SWOH-A, Fixed bus support to insulator................................................................M-21  Type SWHRH-A, Fixed or slip fit bus support to insulator.............................................M-22  Type SWVH-A, Verticial position bus to insulator............................................................M-23  Type SWXHP-A, Bus to bus expansion support coupler to insulator..........................M-24 Miscellaneous  Type SWL-A, Bus to bus elbow, 90°..................................................................................M-25  TypeWLB-A, Bus to end cap..............................................................................................M-26  Type SCB-A, Bus to corona bell.........................................................................................M-26  Type SWCB-A, Bus to corona sphere..............................................................................M-27  TypeWSBC-A, Spherical coupler, streamlined, variable angle....................................M-27

Terminal PadCaps  Type STS-A-N, Two piece, bolted type pad shielding....................................................M-28  Type STS-A-NCG, One piece, bolted type pad shielding.............................................M-28 Cable Spacers  Types S2GBP-A (Spacer), S2GBPA-A (Terminal Tap), SH2GBP-A (Bus Support)  Cable to cable spacer (two cables); Cable spacer (4-hole pad);  Cable spacer to insulator...................................................................................................M-29  Types S2GBP-AB2 (Spacer), S2GBPA-AB2 (Terminal Tap),  SH2GBP-A-B2 (Bus Support), Cable to cable spacer (two cables);  Cable spacer (4-hole pad); Cable spacer to insulator..................................................M-31  Type S3GBP-A, Cable to cable spacer (three cables)...................................................M-33 Bifurcating Terminal  Type SF2A-NL-EX, four- to six-holeNEMA pad to (2) four-hole  NEMA recessed pads.......................................................................................................M-34 TrifurcatingCoupler Connector  Type SW3A-A44N8, Bus to trifurcating terminals...........................................................M-35 Trifurcating TConnector  Type SW3AB-A44N8, Bus to trifurcating terminals........................................................M-36

1-800-387-6487 (Canada) 1-603-647-5299 (International)

M-1