ABB 1MRK504053-BEN Functions RET670 Transformer protection IED

Functions

• Differential protection

- Transformer differential protection, two winding (PDIF, 87T)

- Transformer differential protection, three winding (PDIF, 87T)

- Restricted earth fault protection (PDIF, 87N)

- High impedance differential protection (PDIF, 87X)

• Distance protection

- Distance protection zones (PDIS, 21)

- Phase selection with load encroachment (PDIS, 21)

- Power swing detection (RPSB, 78)

- Automatic switch onto fault logic (PSOF)

• Current protection

- Instantaneous phase overcurrent protection (PIOC, 50)

- Four step phase overcurrent protection (POCM, 51/67)

- Instantaneous residual overcurrent protection (PIOC, 50N)

- Four step residual overcurrent protection (PEFM, 51N/67N)

- Thermal overload protection, two time constants (PTTR, 49)

- Breaker failure protection (RBRF, 50BF)

- Pole discordance protection (RPLD, 52PD)

• Voltage protection

- Two step undervoltage protection (PUVM, 27)

- Two step overvoltage protection (POVM, 59)

- Two step residual overvoltage protection(POVM , 59N)

- Overexcitation protection (PVPH, 24)

• Frequency protection

- Underfrequency protection (PTUF, 81)

- Overfrequency protection (PTOF, 81)

- Rate-of-change frequency protection (PFRC, 81)

• Multipurpose protection

- General current and voltage protection (GAPC)

• Secondary system supervision

- Current circuit supervision (RDIF)

- Fuse failure supervision (RFUF)

• Control

- Synchrocheck and energizing check (RSYN, 25)

- Apparatus control for single bay, max 8 app.(1CB) incl. Interlocking (APC8)

- Apparatus control for single bay, max 15 app.(2CBs) incl. Interlocking (APC15)

- Apparatus control for up to 6 bays, max 30 app. (6CBs) incl. Interlocking (APC30)

• Logic

- Tripping logic (PTRC, 94)

- Trip matrix logic

- Configurable logic blocks

- Fixed signal function block

• Monitoring

- Measurements (MMXU)

- Supervision of mA input signals (MVGGIO)

- Event counter (GGIO)

- Event function

- Disturbance report (RBDR)

• Metering

- Pulse counter logic (GGIO)

• Station communication

- IEC61850-8-1 communication

- LON communication protocol

- SPA communication protocol

- IEC 60870-5-103 communication protocol

- Horizontal communication via GOOSE for interlocking

- Single command, 16 signals

- Multiple Command, 80 blocks with 16 signals each

- Ethernet configuration of links

• Remote communication

- Binary signal transfer

• Basic IED functions

- Self supervision with internal event list

- Time synchronization (TIME)

- Parameter setting groups

- Test mode functionality (TEST)

- Change lock function

- IED identifiers

- Rated system frequency

• Hardware

- Power supply module (PSM)

- Binary input module (BIM)

- Binary output module (BOM)

- Binary in/out module (IOM)

- mA input module (MIM)

- Transformer input module, standard compression connection terminals (TRM)

- Optical ethernet module (OEM)

- SPA/LON/IEC module (SLM)

- Line data communication module (LDCM)

- GPS time synchronization module (GSM)

• Accessories

- GPS antenna, including mounting kit

- External interface converter from C37.94 to G703

- High impedance resistor unit

- Test switch module RTXP24

- On/off switch