PowerTransformerTransfers electricalenergy betweencircuits at differentvoltage levelsusingelectromagneticinduction.GroundRodVT /PTCTPolarityCCVTTouchVoltageBreakerFailureSchemeProtection logicthat operatesbackup trippingif a breaker failsto clear a fault. As‑BuiltDrawingLine‑to‑GroundFaultBrownfieldStationGroundGridADSSFiberBusinessProtocolIdentificationTransferBusAn auxiliary busused to transfercircuits duringmaintenance orbreakeroutages.DisconnectSwitch(DS)Provides visibleisolation ofequipment butdoes notinterrupt loadcurrent. RemoteTerminalUnit(RTU)BusworkConductivebars or tubesthat distributepower withina substation.TieBreakerMotor‑OperatedDisconnectA disconnectswitchoperatedremotely by anelectric motor. GroundMatTouchvoltageControlHouseDead‑EndStructureA structure thatanchorsconductors atthe end of atransmissionline. CTLine‑to‑LineFaultRegulatorStepVoltageRemoteEndSubstationWave/LineTrapSurgeArresterProtectsequipment fromovervoltagesurges causedby lightning orswitching. Breaker‑and‑a‑HalfA substationlayout usingthree breakersto protect twocircuits.RadialFeederDICMSulfurHexafluoride(SF6)StrainBusBusworkdesigned tohandlemechanicaltension fromconductors. CTSaturationStepvoltageOPGWJumpersFlexibleconductors thatconnect rigidequipment andallowmovement. CircuitBreakerInterruptsfault andload currentto protect thesystem. SchedulePerformanceIndex (SPI)ControlCableRingBusA busconfigurationwhere breakersform a closedloop, improvingreliability.ExpansionConnectionFaultRigidBusFixedaluminum orcopper bussupported byinsulators. StationServiceTransformerSCADACostPerformanceIndex (CPI)GroundSwitchConnectsequipment toground forsafety duringmaintenance. GreenfieldStationBusDifferentialPowerTransformerTransfers electricalenergy betweencircuits at differentvoltage levelsusingelectromagneticinduction.GroundRodVT /PTCTPolarityCCVTTouchVoltageBreakerFailureSchemeProtection logicthat operatesbackup trippingif a breaker failsto clear a fault. As‑BuiltDrawingLine‑to‑GroundFaultBrownfieldStationGroundGridADSSFiberBusinessProtocolIdentificationTransferBusAn auxiliary busused to transfercircuits duringmaintenance orbreakeroutages.DisconnectSwitch(DS)Provides visibleisolation ofequipment butdoes notinterrupt loadcurrent. RemoteTerminalUnit(RTU)BusworkConductivebars or tubesthat distributepower withina substation.TieBreakerMotor‑OperatedDisconnectA disconnectswitchoperatedremotely by anelectric motor. GroundMatTouchvoltageControlHouseDead‑EndStructureA structure thatanchorsconductors atthe end of atransmissionline. CTLine‑to‑LineFaultRegulatorStepVoltageRemoteEndSubstationWave/LineTrapSurgeArresterProtectsequipment fromovervoltagesurges causedby lightning orswitching. Breaker‑and‑a‑HalfA substationlayout usingthree breakersto protect twocircuits.RadialFeederDICMSulfurHexafluoride(SF6)StrainBusBusworkdesigned tohandlemechanicaltension fromconductors. CTSaturationStepvoltageOPGWJumpersFlexibleconductors thatconnect rigidequipment andallowmovement. CircuitBreakerInterruptsfault andload currentto protect thesystem. SchedulePerformanceIndex (SPI)ControlCableRingBusA busconfigurationwhere breakersform a closedloop, improvingreliability.ExpansionConnectionFaultRigidBusFixedaluminum orcopper bussupported byinsulators. StationServiceTransformerSCADACostPerformanceIndex (CPI)GroundSwitchConnectsequipment toground forsafety duringmaintenance. GreenfieldStationBusDifferential

Substation Bingo - Call List

(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


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  1. Transfers electrical energy between circuits at different voltage levels using electromagnetic induction.
    Power Transformer
  2. Ground Rod
  3. VT / PT
  4. CT Polarity
  5. CCVT
  6. Touch Voltage
  7. Protection logic that operates backup tripping if a breaker fails to clear a fault.
    Breaker Failure Scheme
  8. As‑Built Drawing
  9. Line‑to‑Ground Fault
  10. Brownfield Station
  11. Ground Grid
  12. ADSS Fiber
  13. Business Protocol Identification
  14. An auxiliary bus used to transfer circuits during maintenance or breaker outages.
    Transfer Bus

  16. Provides visible isolation of equipment but does not interrupt load current.
    Disconnect Switch (DS)
  17. Remote Terminal Unit(RTU)
  18. Conductive bars or tubes that distribute power within a substation.
    Buswork
  19. Tie Breaker
  20. A disconnect switch operated remotely by an electric motor.
    Motor‑Operated Disconnect
  21. Ground Mat
  22. Touch voltage
  23. Control House
  24. A structure that anchors conductors at the end of a transmission line.
    Dead‑End Structure
  25. CT
  26. Line‑to‑Line Fault
  27. Regulator
  28. Step Voltage
  29. Remote End Substation
  30. Wave/Line Trap
  31. Protects equipment from overvoltage surges caused by lightning or switching.
    Surge Arrester
  32. A substation layout using three breakers to protect two circuits.
    Breaker‑and‑a‑Half
  33. Radial Feeder
  34. DICM
  35. Sulfur Hexafluoride (SF6)
  36. Buswork designed to handle mechanical tension from conductors.
    Strain Bus
  37. CT Saturation
  38. Step voltage
  39. OPGW
  40. Flexible conductors that connect rigid equipment and allow movement.
    Jumpers
  41. Interrupts fault and load current to protect the system.
    Circuit Breaker
  42. Schedule Performance Index (SPI)
  43. Control Cable
  44. A bus configuration where breakers form a closed loop, improving reliability.
    Ring Bus

  46. Expansion Connection
  47. Fault
  48. Fixed aluminum or copper bus supported by insulators.
    Rigid Bus
  49. Station Service Transformer
  50. SCADA
  51. Cost Performance Index (CPI)
  52. Connects equipment to ground for safety during maintenance.
    Ground Switch
  53. Greenfield Station
  54. Bus Differential