9328900990 Rev L BE1-951 Installation i
SECTION 12 • INSTALLATION
TABLE OF CONTENTS
SECTION 12 • INSTALLATION .............................................................................................................. 12-1
GENERAL............................................................................................................................................ 12-1
CONTACT SENSING INPUT JUMPERS ............................................................................................ 12-1
REGISTRATION OF RELAY............................................................................................................... 12-2
MOUNTING.......................................................................................................................................... 12-2
H1 Case Cutouts and Dimensions................................................................................................... 12-2
S1 Case Cutouts and Dimensions ................................................................................................... 12-9
Dovetailing Procedure.................................................................................................................... 12-14
RELAY CONNECTIONS.................................................................................................................... 12-15
Typical DC and AC Connections.................................................................................................... 12-17
Terminal Blocks.............................................................................................................................. 12-20
CT Polarity...................................................................................................................................... 12-20
POWER SYSTEM APPLICATIONS .................................................................................................. 12-22
SETTINGS ......................................................................................................................................... 12-35
PREPARING THE RELAY FOR SERVICE .......................................................................................12-35
COMMUNICATIONS CONNECTIONS.............................................................................................. 12-35
RS-232 Connectors........................................................................................................................ 12-35
RS-485 Connectors........................................................................................................................ 12-37
ASCII Command Communication .................................................................................................. 12-38
IRIG Input and Connections........................................................................................................... 12-38
Figures
Figure 12-1. Contact Sensing Jumper Locations .................................................................................... 12-2
Figure 12-2. H1 Case Dimensions .......................................................................................................... 12-3
Figure 12-3. Adapter Bracket for Mounting a Single Relay in a 19-inch Rack........................................ 12-4
Figure 12-4. Adapter Bracket for 19-inch Rack Mount with ABB FT Cutout Switch ............................... 12-4
Figure 12-5. Single H1 Relay Escutcheon Plate and Cutout Dimensions ..............................................12-5
Figure 12-6. Single H1 Relay Mounting Dimensions for Panel Mounting without an Escutcheon Plate 12-6
Figure 12-7. Dovetailed H1 Relay Escutcheon Plate and Cutout Dimensions .......................................12-7
Figure 12-8. Mounting Dimensions for Panel Mounting Two H1 Relays without and Escutcheon Plate 12-8
Figure 12-9. S1 and S1 Double-Ended Case, Outline Dimensions, Front View..................................... 12-9
Figure 12-10. S1 Case, Double-Ended, Semi-Flush Mounting, Outline Dimensions, Side View ......... 12-10
Figure 12-11. S1 Case, Panel Drilling Diagram, Semi-Flush Mounting................................................ 12-11
Figure 12-12. S1 Adapter Plate for S2 and FT-21 Cutouts................................................................... 12-12
Figure 12-13. S1 Adapter Plate for FT-32 Cutout ................................................................................. 12-13
Figure 12-14. Dovetailing Procedure Diagram...................................................................................... 12-14
Figure 12-15. S1 Rear Panel Terminal Connections............................................................................. 12-15
Figure 12-16. S1 Double-Ended Case Rear Panel Terminal Connections........................................... 12-16
Figure 12-17. H1 Case Rear Panel Terminal Connections................................................................... 12-17
Figure 12-18. Typical External DC Connections ................................................................................... 12-18
Figure 12-19. Typical AC Connections.................................................................................................. 12-19
Figure 12-20. Standard CT Polarity....................................................................................................... 12-21
Figure 12-21. Current Transformer Action ............................................................................................ 12-21
Figure 12-22. Example of Reversed CT Polarity................................................................................... 12-21
Figure 12-23. Three-Phase Voltage Sensing, Alternate VTP Input ...................................................... 12-22
Figure 12-24. Overcurrent (OC) Protection of Typical Radial Loads – Distribution Circuit, Motor, or
Reactor Optional Independent Ground Output............................................................... 12-23
Figure 12-25. OC Protection of a Delta-Wye Grounded Transformer (Radial Load) with Optional
Independent Ground Input (IG) Connected for Low Side Ground Fault Protection ....... 12-24
Figure 12-26. Backup OC Protection of a Three-Winding Transformer with Optional Independent Ground
Input (IG) Connected for Tertiary and System Ground Fault Protection ........................ 12-25
Figure 12-27. OC Protection of an Industrial Feeder (Radial Load) with Optional Independent Ground (IG)
Connected to Core Balance CT for Sensitive Ground Fault Protection ......................... 12-26
Figure 12-28. Directional OC Protection with Reclosing of a Transmission Line (Zero-Sequence Current
Polarizing Source from Delta-Wye Transformer Connected to IG) ................................ 12-27
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