DEIF MVR-F255 Directional Feeder Protection



MVR-F255

Directional Feeder Protection

The MVR-F255 feeder protection relay offers directional feeder protection for applications which require a large I/O capacity and most comprehensive protection functionality including advanced communication.

The MVR-F255 feeder protection relay was developed for application which require a most comprehensive functionality for feeder protection and a large capcity of I/Os. The device supports IEC 61850 communication. With 11 available extension slots the device is best equipped for most complex feeder applications.

- 5x Current input (configurable 0.2…10A)

- 4x Voltage input (1.00…480.00V (RMS)

- 3x Digital input

- 5x Output relay (4NO, 1CO)

- 1x IRF output (1CO)

- 2x Remote com port (1 x RJ45 Ethernet and 1 x RS-485)

- IEC 61850 Ed1 & Ed2. Modbus TCP/RTU, IEC 60870-5-104/103/101. DNP 3.0. SPA protocols

- DT, IEC or ANSI time/overcurrent curves with settable release delays

- 11 extension slots for additional hardware options

- Event recorder (up to 15 000 events)

- Disturbance recorder (up to 100 disturbance records)

Available Extension Cards:

- 8x digital inputs (programmable threshold voltage)

- 5x output relays

- Arc-Flash Protection - 4x sensor channels, 2x HSO1. 1x BI *)

- 8x RTD input

- 2x RJ45 100Mb Ethernet & IRIG-B *)

- 2x ST 100Mb Ethernet & IRIG-B *)

- 4x mA outputs - 1 x mA input

- 2x LC 100MB Ethernet (HSR, PRP redundant protocols)

- 2x RJ45 100MB Ethernet (HSR, PRP redundant protocols) *)

- RS-232 - Serial Fiber

Features

Protection Functions:

Three-phase over-current protection INST, DT or IDMT (ANSI 50/51)

Directional (sensitive) residual over-current protection stages DT or IDMT (ANSI 67N)

Directional three-phase over-current protection stages DT or IDMT (ANSI 67)

(Sensitive) Earth fault protection stages INST, DT or IDMT (ANSI 50N/51N(S))

Auto-reclose (ANSI 79)

Breaker failure protection (ANSI 50BF)

Cable-end differential protection (ANSI 87)

Cold-load pick-up block (ANSI 68)

Current transformer supervision (ANSI 60L)

Current unbalance/broken conductor protection stages INST, DT or IDMT (ANSI 46 /R/L)

Fault locator (ANSI 21FL)

Frequency protection stages (ANSI 81O/U)

Fuse failure (ANSI 60)

Harmonic over-current protection/inrush blocking stages INST, DT or IDMT (ANSI 50H/51H/68)

Intermittent earth fault (ANSI 67NT)

Overvoltage protection INST, DT or IDMT (ANSI 59)

Positive/negative sequence under-/over-voltage protection INST, DT or IDMT (ANSI 27P/47/59P)

Programmable stage (ANSI 99)

Rate of Change of Frequency ROCOF (ANSI 81R)

Residual voltage protection INST, DT or IDMT (ANSI 59N)

Restricted low-impedance earth fault protection (ANSI 87N)

Reverse-/under-/over-power protection INDT, DT or IDMT (ANSI 32)

Switch onto fault logic (SOTF)

Synchrocheck (ANSI 25)

Thermal overload protection (line) (ANSI 49L)

Under-voltage protection INST, DT or IDMT (ANSI 27)

Vector jump/surge (ANSI 78)

Voltage memory