AQ-T393 Three-winding transformer protection device


AQ-T393 Three-winding transformer protection device AQ-T393 Three-winding transformer protection device Ask for an offer Home Protection relays Transformer protection & control AQ-T393 Three-winding transformer protection device Description AQ-T393 three-winding transformer protection device is a transformer protection device for three-winding transformer applications. It integrates a full range of protection functions as well as a variety of additional functions for control, measurement, monitoring and communications. Highlights: Low-impedance restricted earth fault protection. 2nd and 5th harmonic restraint. An integrated automatic voltage regulator (AVR). Three-winding transformer protection. Technical data Three-phase instantaneous/time overcurrent (I>; 50/51) Residual instantaneous/time overcurrent (I0>; 50N/51N) Negative sequence overcurrent/ Current unbalance (I2>; 46) Circuit breaker failure protection (CBFP; 50BF/52BF) Restricted earth fault (87N) Thermal overload (T>; 49) Transformer differential, three windings (87T) Overvoltage (U>; 59) Undervoltage (U>; 27) Residual overvoltage (U0>; 59N) Over- and underfrequency (f>/<; 81O/81U) Rate-of-change of frequency (df/dt; 81R) Volts-per-hertz overexcitation (V/Hz>; 24) Inrush detection and blocking Distributed busbar protection (sub-unit) Common function Trip logic (94) Switch-on-to-fault Standard Current (IL1, IL2, IL3, I0) Current transformer supervision Trip circuit supervision Switching device status monitoring Event recorder Disturbance recorder Options Voltage (U1, U2, U3, U12, U23, U31, U0) and frequency (f) Power (P, Q, S, pf) and Energy (E+, E-, Eq+, Eq-) Voltage transformer supervision (60) Standard CPU module (MM/ST + RJ-45) Power supply module (PS + fault relay) Current measurement module (3 instances) Trip module (4 outputs) Number of empty slots: 16 Options 6 digital inputs (1x6) + 5 digital outputs 8 digital inputs (1x8) 12 digital inputs (3x4) 16 digital inputs (2x8) 9 digital inputs (3x3) with IRIG-B (BNC) 8 digital outputs (1x8) 12 digital outputs (4x3) 16 digital outputs (2x8) Voltage measurement module 4-channel RTD module 4-channel analogue input module (2-wire) Communication inputs RJ-45 100 Mbps Ethernet + MM/ST fiber optic Ethernet 2 x ST/MM redundant fiber optic Ethernet (optional) ST/MM fiber optic Ethernet and RS-485 (optional) LC/MM and RJ-45 (optional) 2 x LC/MM (optional) PRP/HSR (optional) Communication protocols IEC 60870-5-101/104/103 Modbus/RTU and Modbus/TCP DNP3.0 IEC 61850 (optional) Transformer automatic voltage regulator (AVR) function Synchrocheck (25) (optional) Advanced "CyberProtect" cyber security feature (optional) Download AQ 300 series flyer, v1.01 (English) AQ 300 Operator’s manual v1.00 (English) AQ-T3xx Instruction manual, v2.00 (English) AN00006_Hardware description for the AQ 300 series AQ 300 Web server description v1.00 (English) Related products AQ-T215 Voltage regulating device AQ-T215 is a voltage regulating device. It comes with current-based and voltage-based protection functions, which makes […] AQ-T216 Transformer protection device AQ-T216 is a transformer protection device with sophisticated and easy-to-use differential protection functions. The relay provides […] AQ-T256 Transformer protection device AQ-T256 is a transformer protection device with sophisticated and easy-to-use differential protection functions. The relay provides […] AQ-T257 Transformer protection device AQ-T257 is a transformer protection device with a differential protection function and an integrated automatic voltage […] Ask for an offer or more information We provide a comprehensive range of services through our own skilled staff and a global network of partners. Name(Required) First Last Country(Required) Email(Required) Add attachment Company(Required) Max. file size 300 MB Phone Add attachment Max. file size: 128 MB. Description(Required) What colour is a firetruck?(Required) To confirm you are not a robot, please answer this question. GDPR(Required) I agree to the Privacy Policy *

Description

AQ-T393 three-winding transformer protection device is a transformer protection device for three-winding transformer applications. It integrates a full range of protection functions as well as a variety of additional functions for control, measurement, monitoring and communications.

Highlights: