HighPROTEC Line – MRU4

All Inclusive
• All protection features without extra charge
• Parameter setting and evaluation software
• Disturbance record analysis software
Comprehensive frequency protection package
Each of the six elements can be used as:
• f< or f> (over- and underfrequency supervision)
• df/dt (ROCOF) – Rate of change of frequency
• (f< and df/dt) or (f> and df/dt) Combination of over-, under- and rate of change of frequency (ROCOF)
• (f< and DF/DT) or (f> and DF/DT) Combination of over-, under- and increase of frequency
• Delta Phi (Vector surge)
Six Elements Voltage Protection
• Under- and overvoltage
• Programmable time dependent undervoltage tripping characteristic
Six Elements Voltage Asymmetry Supervision
• Under- and overvoltage in positive phase sequence system, overvoltage in negative phase sequence system
Logic
• Up to 80 logic equations for protection, control and monitoring
Additional Highlights
• Two Elements Residual Voltage Protection VE>
• Flexible Fourth Voltage measuring input 2 elements
VE> or VX (for Synchrocheck)
• Sliding-Mean-Square Supervision , adjustable (VDE-AR 4105)
• FRT (LVRT), adjustable LVRT-profiles, optionally AR-controlled
• Synchrocheck, now via Transformer
Supervision
• Voltage transformer supervision
• Trip circuit supervision
• CBF via position indicators
Recorders
• Disturbance recorder: 120 s non volatile
• Fault recorder: 20 faults non volatile
• Event recorder: 300 events non volatile
• Trend recorder: 4000 non volatile entries

Communication Options
• IEC 61850
• Profibus DP
• Modbus RTU and/or Modbus TCP
• IEC 60870-5-103/-104
• DNP 3.0 (RTU, TCP, UDP)
• SCADApter for Retrofit
• Configurable SCADA protocols: Modbus, Profibus, IEC 60870-5-103/-104, DNP3
• TypeCodes Communication O,P,Q,R
• Redundant Ethernet: Two Ethernet channels available on the device [Electrical Ethernet [RJ45]or Optical Ethernet [FO] – fiber optic cable]
– Switch-Mode [Redundancy with RSTP]
– PRP – Parallel Redundancy Protocol
– HSR – High-Availability Seamless Redundancy Protocol
Control
• 1 breaker
• Breaker wearr
Commissioning Support
• Customizable Display (Single-Line)
• Customizable Inserts
• Copy and compare parameter sets
• Configuration files are convertible
• Forcing and disarming of output relays
• Fault simulator: current, voltage
• Graphical display of tripping characteristics
• 8 languages selectable within the relay
PC Tools
• Setting and analyzing software
Smart view free of charge
• Including page editor to design own Control pages
• SCADApter to re-assign datapoints for Retrofit projects: Modbus, Profibus, IEC 60870-5-103/ -104
Cyber Security
• Menu for the activation of BDEW-Whitepapercompliant security settings (e. g. hardening of interfaces)
• Scurity Logger
• Centralized Security Logs (Syslog)
• Encrypted Connection Smart view Device
• Device specific certificates (No man in the middle attacks)
• Multi-Password-Level
Time Synchronisation
• SNTP, IRIG-B00X, Modbus, DNP 3.0, IEC 60870-5-103/-104