AQ T215 Voltage Regulating Relay

AQ T215-AQ T215 Voltage Regulating Relay

Sipariş No : AQ T215

AQ T215 offers an integrated transformer voltage regulating and back-up protection solution. Automatic and manual voltage regulating and tap change position indications provide for accurate control of the power transfomer. Complete measurements of up to class 0.2S accuracy for power and energy are available.

AQ T215 Voltage Regulating Relay

Protection Function ANSI     Protection Function ANSI
Three-phase overcurrent protection INST,DT or IDMT - I> ... I>>>> 50/51     Undervoltage protection DT or IDMT - U 27
Residual overcurrent protection INST, DT or IDMT - I0> ... I0>>>> 50/51N(S)     Residual voltage protection DT or IDMT - U0>...U0>>>> 59N
Harmonic overcurrent protection / inrush blocking INST, DT or IDMT - Ixh > ... Ixh >>>> 50/51h/68h     Volts / Hertz overexcitation protection U/f 24
Current unbalance / broken conductor protection INST, DT or IDMT - I2 (I/I1)>...I2 (I/I1)>>>> 46/46R/46L     Automatic/manual voltage regulating AVR 90
Low or high-impedance restricted earth-fault / cable end differential protection - I0d> 87N     Fuse Failure – VTS 60
Transformer thermal overload protection - T > 49T     CT supervision CTS
Overvoltage protection DT or IDMT - U>...U>>>> 59     Breaker failure protection - CBFP 50BF/52BF
  • Automatic / Manual Voltage Regulating (AVR)
  • Transformer back-up Protection
  • Through fault and Overloading statistics for preventive maintenance
  • Large customizable HMI with configurable Mimic diagram
  • 16 freely configurable multi-colour LEDs with user description selectable texts
  • Measurement accuracy of up to class 0.2S power and energy measurement
  • 3 Inputs (8/16/24 Optional) - 6 Outputs (5/10/15 Optional)
  • Up to 15000 events in permanent flash memory, 60MB memory for disturbance records and user files
  • IEC 61850, HSR, PRP, IEC 101,IEC 103, IEC 104, Modbus, DNP 3.0, SPA
  • NTP, Precision Time Protocol (PTP) according to IEEE 1588
  • Sub-cycle instantaneous trip times
  • Fast integrated arc protection
  • Frequency independent protection at 6…75Hz




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