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Protection DNS

ekor.rps

ekor.rps

Multifunctional protection unit, it acts as an independent protection, measurement and control unit or integrated in a protection and control system.

Characteristics

  • Protection Functions:
    • Over current
      • Phase over current (3X50/51)
      • Earth faults (50Ns/51Ns)
      • Sensitive earth faults (50Ns/51Ns)
      • Directional phase over current (3X67)
      • Directional neutral over current (67N)
      • Directional isolated neutral over current (67NA)
      • Thermal image (49)
      • Current unbalance protection (46-46FA)
      • Cold Load Pickup
      • Voltage-restrained Time over current (51V)
      • Voltage regulation (50CSC)
      • Breaker failure (50BF)
    • Undercurrent (37)
    • Voltage:
    • Over voltage protection (59)
    • Under voltage protection (27)
    • Zero-sequence over voltage (59N)
    • Maximum and minimum frequency (81M/m)
    • Synchronism (25)
    • Voltage un balance (47)
    • Maximum and minimum frequency (81M/m)
    • Frequency rate (81R)
    • Max/min active power
    • Max/min apparent power
    • Active/reactive power inversion
    • Frequency
    • Power (32)
  • Logic functions and automation
  • Recloser (79)
  • Switch monitoring
  • Trip and closing circuit monitoring
  • Synchronism checking
  • Configurable inputs/outputs
  • Programable logics
  • Others
    • Protection status self-checking
    • Configuration of up to 6 setting tables
  • Phase, neutral and sensitive neutral current metering
  • Single and compound voltage metering
  • Active, reactive and apparent power metering
  • Active and reactive energy metering
  • Power factor metering
  • Maximum current indicator
  • Negative sequence metering (I2/I1) as a %
  • Total Harmonic Distortion (THD)
  • Event chronological logging
  • Fault chronological logging
  • Log of maximum and minimum meterings
  • Oscilloperturbograph
  • IEC 60870-5-103
  • IEC 60870-5-101
  • ModBUS RTU
  • DNP3.0
  • PROCOME
  • HARRIS
  • Metering
  • Data Acquisition
  • Communications:
  • Ports: RS485 and O.F.