Nema Device Numbers: 91 - 100

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Author:
canadashea
ID:
141304
Filename:
Nema Device Numbers: 91 - 100
Updated:
2012-03-13 07:08:41
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Nema Device Numbers 91 100
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Description:
Nema Device Numbers: 91 - 96 and Abbreviations
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  1. 91
    Voltage Directional Relay
  2. 92
    Voltage and Power Directional Relay
  3. 93
    Field Changing Contactor
  4. 94
    Tripping or Trip-Free Relay
  5. 95
    Reluctance Torque Synchrocheque
  6. 96
    Autoloading Relay
  7. AFD
    Arc Flash Detector
  8. CLK
    Clock or Timing Source
  9. DDR
    Dynamic Disturbance Recorder
  10. DFR
    Digital Fault Recorder
  11. ENV
    Environmental Data
  12. HIZ
    High Impedance Fault Detector
  13. HMI
    Human Machine Interface
  14. HST
    Historian
  15. LGC
    Scheme Logic
  16. MET
    Substation Metering
  17. PDC
    Phasor Data Concentrator
  18. PMU
    Phasor Measurement Unit
  19. PQM
    Power Quality Monitor
  20. RIO
    Remote Input/Output Device
  21. RTU
    Remote Terminal Unit/Data Concentrator
  22. SER
    Sequence of Events Recorder
  23. TCM
    Trip Circuit Monitor
  24. SOTF
    Switch On To Fault

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