AQ-F213E Feeder Protection IED

The AQ-F213 IED provides optimal performance for main medium voltage or back-up high voltage protection, control and monitoring applications. The AQ-F213 integrates protection, control, monitoring, measuring, communication and extensive diagnostics information in one compact package. Fully modular hardware construction gives a high level of flexibility; additional I/0 or communication cards can be simply plugged in according to application needs.

The AQ-F213 is developed using the latest available technologies providing a totally new dimension and options to protection engineers. Maximum usability of the IED is guaranteed by features such as graphical interfaces, highly customizable HMI, storage of pdf or other supportive documents and extensive user log informati­on. Easy to use and powerful conguration and setting software tools are provided free of charge.


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  • Three-phase overcurrent, 4 stages INST, DT or IDMT (50/51)
  • Earth-fault (sensitive), 4 stages INST, DT or IDMT (50/51N)
  • Negative sequence overcurrent/pahse current reversal/ unbalance protection, 4 stages (46/46R/46L)
  • Directional earth-fault, 4 stages INST, DT or IDMT (67N)
  • Directional overcurrent, 4 stages INST, DT or IDMT (67)
  • Detection/ blocking/ tripping from selectable 2nd ..... 19th harmonic, 4 stages (50h/ 51h/ 68h)
  • Breaker failure protection (50BF,52BF)
  • High/low impedance restricted earth fault / cable end differential (87N)
  • Feeder thermal overload protection (49L)
  • Overvoltage, 4 stages INST, DT or IDMT (59)
  • Undervoltage, 4 stages INST, DT or IDMT (27)
  • Zero sequence overvoltage, 4 stages INST, DT or IDMT (59N)
  • Over/Under/Reverse power (32/37/32R)
  • Rate of change of frequency, 8 stages INST or DT or IDMT (81R)
  • Vector jump (78)
  • Frequency (f)
  • Negative/positive sequence overvoltage, 4 stages INST, DT or IDMT (47)
  • Arc protection (option) (50ARC/50NARC)
  • Controllable objects: 5
  • 8 setting groups
  • Autorecloser (79)
  • Cold-load pick-up block
  • Switch onto fault (SOTF)
  • Phase and residual currents (IL1, IL2, IL3, I01, I02)
  • Voltage (U1, U2, U3)
  • Power (P, Q, S, pf)
  • Energy (E+, E-, Eq+, Eq-)
  • Voltage and current harmonics up to 31st
  • Current transformer supervision (CTS)
  • Fuse failure (VTS)
  • Disturbance recorder (3.2 kHz)
  • Circuit breaker wear (CBW)
  • Total harmonic distortion (THD)
  • Fault locator (21FL)
  • Current inputs: 5
  • Voltage inputs:3
  • Digital inputs: 6 (standard)
  • Output relays: 5+1 (standard)
  • Digital inputs optional: +8/16/24
  • Digital outputs optional: +5/10/15
  • 2 x mA input + 6-8 x RTD input (max 2 cards)
  • Power supply: 80-265Vdc or 18-70Vdc
  • RJ 45 Ethernet 100Mb (front standard)
  • RJ 45 Ethernet 100Mb and RS 485 (rear standard)
  • RS232 + serial fibre PP/PG/GP/GG (option)
  • Double LC Ethernet 100Mb (option)
  • Communication protocols:
  • IEC 61850
  • IEC 60870-5-103/101/104
  • Modbus RTU, Modbus TCP/IP
  • DNP 3.0 and DNP 3.0 over TCP/IP
  • SPA