شرح فارسی کد ANSI رله های حفاظتی پستها و خطوط فوق توزیع

شرح فارسی کد ANSI رله های حفاظتی پستها و خطوط فوق توزیع

شرح فارسی کد ANSI رله های حفاظتی پستها و خطوط فوق توزیع

 

ANSI device numbers

  • 1 – Master Element
  • 2 – Time-delay Starting or Closing Relay
  • 3 – Checking or Interlocking Relay
  • 4 – Master Contactor
  • 5 – Stopping Device
  • 6 – Starting Circuit Breaker
  • 7 – Rate of Change Relay
  • 8 – Control Power Disconnecting Device
  • 9 – Reversing Device
  • 10 – Unit Sequence Switch
  • 11 – Multifunction Device
  • 12 – Overspeed Device/Protection
  • 13 – Synchronous-Speed Device
  • 14 – Underspeed Device
  • 15 – Speed or Frequency Matching Device
  • 16 – Communication Networking Device
  • 17 – Shunting or Discharge Switch
  • 18 – Accelerating or Decelerating Device
  • 19 – Motor Starter / Starting-to-Running Transition Contactor
  • 20 – Electrically-Operated Valve
  • 21 – Distance Relay
  • 21G – Ground Distance
  • 21P – Phase Distance
  • 22 – Equalizer circuit breaker
  • 23 – Temperature control device
  • 24 – Volts per hertz relay
  • 25 – Synchronizing or synchronism-check device
  • 26 – Apparatus thermal device
  • 27 – Undervoltage relay
  • 27P – Phase Undervoltage
  • 27S – DC undervoltage relay
  • 27TN – Third Harmonic Neutral Undervoltage
  • 27TN/59N – 100% Stator Earth Fault
  • 27X – Auxiliary Undervoltage
  • 27 AUX – Undervoltage Auxiliary Input
  • 27/27X – Bus/Line Undervoltage
  • 27/50 – Accidental Generator Energization
  • 28 – Flame Detector
  • 29 – Isolating Contactor
  • 30 – Annunciator Relay
  • 31 – Separate Excitation Device
  • 32 – Directional Power Relay
  • 32L – Low Forward Power
  • 32N – Wattmetric Zero-Sequence Directional
  • 32P – Directional Power
  • 32R – Reverse Power
  • 33 – Position Switch
  • 34 – Master Sequence Device
  • 35 – Brush-Operating or Slip-ring Short Circuiting Device
  • 36 – Polarity or Polarizing Voltage Device
  • 37 – Undercurrent or Underpower Relay
  • 37P – Underpower
  • 38 – Bearing Protective Device / Bearing Rtd
  • 39 – Mechanical Condition Monitor
  • 40 – Field Relay / Loss of Excitation
  • 41 – Field Circuit Breaker
  • 42 – Running Circuit Breaker
  • 43 – Manual Transfer or Selector Device
  • 44 – Unit Sequence Starting Relay
  • 45 – Atmospheric Condition Monitor
  • 46 – Reverse-Phase or Phase Balance Current Relay or Stator Current Unbalance
  • 47 – Phase-Sequence or Phase Balance Voltage Relay
  • 48 – Incomplete Sequence Relay / Blocked Rotor
  • 49 – Machine or Transformer Thermal Relay / Thermal Overload
  • 49RTD – RTD Biased Thermal Overload
  • 50 – Instantaneous Overcurrent Relay
  • 50BF – Breaker Failure
  • 50DD – Current Disturbance Detector
  • 50EF – End Fault Protection
  • 50G – Ground Instantaneous Overcurrent
  • 50IG – Isolated Ground Instantaneous Overcurrent
  • 50LR – Acceleration Time
  • 50N – Neutral Instantaneous Overcurrent
  • 50NBF – Neutral Instantaneous Breaker Failure
  • 50P – Phase Instantaneous Overcurrent
  • 50SG – Sensitive Ground Instantaneous Overcurrent
  • 50SP – Split Phase Instantaneous Current
  • 50_2 – Negative Sequence Instantaneous Overcurrent
  • 50/27 – Accidental Energization
  • 50/51 – Instantaneous / Time-delay Overcurrent relay
  • 50Ns/51Ns – Sensitive earth-fault protection
  • 50/74 – Ct Trouble
  • 50/87 – Instantaneous Differential
  • 51 – AC Time Overcurrent Relay
  • 51 – Overload
  • 51G – Ground Time Overcurrent
  • 51LR – AC inverse time overcurrent (locked rotor) protection relay
  • 51N – Neutral Time Overcurrent
  • 51P – Phase Time Overcurrent
  • 51R – Locked / Stalled Rotor
  • 51V – Voltage Restrained Time Overcurrent
  • 51_2 – Negative Sequence Time Overcurrent
  • 52 – AC circuit breaker
  • 52a – AC circuit breaker position (contact open when circuit breaker open)
  • 52b – AC circuit breaker position (contact closed when circuit breaker open)
  • 53 – Exciter or Dc Generator Relay
  • 54 – Turning Gear Engaging Device
  • 55 – Power Factor Relay
  • 56 – Field Application Relay
  • 57 – Short-Circuiting or Grounding Device
  • 58 – Rectification Failure Relay
  • 59 – Overvoltage Relay
  • 59B – Bank Phase Overvoltage
  • 59P – Phase Overvoltage
  • 59N – Neutral Overvoltage
  • 59NU – Neutral Voltage Unbalance
  • 59P – Phase Overvoltage
  • 59X – Auxiliary Overvoltage
  • 59_2 – Negative Sequence Overvoltage
  • 60 – Voltage or current balance relay
  • 60 – Voltage or Current Balance Relay
  • 60N – Neutral Current Unbalance
  • 60P – Phase Current Unbalance
  • 61 – Density Switch or Sensor
  • 62 – Time-Delay Stopping or Opening Relay
  • 63 – Pressure Switch Detector
  • 64 – Ground Protective Relay
  • 64F – Field Ground Protection
  • 64R – Rotor earth fault
  • 64REF – Restricted earth fault differential
  • 64S – Stator earth fault
  • 64S – Sub-harmonic Stator Ground Protection
  • 64TN – 100% Stator Ground
  • 65 – Governor
  • 66 – Notching or Jogging Device/Maximum Starting Rate/Starts Per Hour/Time Between Starts
  • 67 – AC Directional Overcurrent Relay
  • 67G – Ground Directional Overcurrent
  • 67N – Neutral Directional Overcurrent
  • 67Ns – Earth fault directiona

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