Product/Technical Services
Multi-function Protection and Control IED GRE200
Product Overview
GRE200 is multi-function protection and control IED implemented on Toshiba's next generation GR-200 series IED platform. GRE200 is designed to provide comprehensive protection and control applications for transmission lines and distribution feeders across all types of network. This powerful and user-friendly IED will provide you with the flexibility to meet your application and engineering requirements in addition to offering excellent performance, outstanding quality and operational peace of mind.
Protection, control, metering, and supervision of EHV. HV, MV, and LV networks
Various feeder protection scheme that includes overcurrent protection, under/overvoltage, under/over frequency, circuit breaker failure, motor and generator protections
Various model and hardware options for flexible application depending on system requirements
Multiple communication protocol for easy integration with substation automation system such as IEC 61850, Modbus, and IEC 62439-3 PRP/HSR
Technical Description
Protection Functions
Four Stage Directional Phase Overcurrent Protection
Directional earth fault protection
Directional Sensitive Earth Fault Protection
Phase Undercurrent Protection
Thermal Overload Protection
Directional Negative Phase Sequence Overcurrent Protection
Under/Overvoltage Protection
Zero Phase Sequence Overvoltage Protection
Negative Phase Sequence Overvoltage Protection
Under/Over Frequency Protection
Broken Conductor Protection
Two Stage Circuit Breaker Fail (CBF) Protection
Cold Load Protection
Switch onto Fault Protection (SOTF-OC)
Inrush Current Detector
Five Shot, Three Phase Auto-reclose
Synchronism Check Function
Protection Function for Motor (Option)
Start Protection
Stalled Motor Protection
Locked Rotor Protection
Restart Inhibit
Control Functions
Switchgear Control
IED Mode Control
Interlock Check
Programmable Logic Control (PLC)
Monitoring Functions
Trip Circuit Supervision
Automatic Self-supervision
Circuit Breaker Contact Supervision
Circuit Breaker Condition Monitoring
Motor Status Monitoring (Option for Motor Protection Model)
General Functions
Eight setting groups to cover various operating conditions
Time synchronization by external clock via SNTP or using IRIG-B
Password protection for settings and selection of local/remote control
Simulation and test function to check protection/control function
Internal circuit checks using forcible signal
Metering and Recording Functions
Metering
Primary and secondary currents for each input
Positive and negative phase sequence currents
Ratio of negative phase sequence to positive phase sequence currents
Primary and secondary voltages for each input
Positive and negative phase sequence voltages
System residual voltage
Power frequency
Active and reactive power
Power factor
Peak phase power demand
Peak phase current demand
Thermal condition of system
Relay element output status
Watt-Hour
Var-Hour
Additional Metering for Motor Protection Model:
Thermal condition of stator and rotor
Motor running time
Start-up time of the last motor start-up
Maximum current during the last motor start-up
Number of start-ups (total, cold and hot starts)
Recording
Event Record up to 1024 events
Fault Record up to 32 faults
Disturbance Record
Fault Location
Hardware Flexibility
Various models and hardware options for flexible application depending on system requirement and controlled object
Configurable binary inputs and outputs
Communication Interface
Various option of system interface - RS485, fibre optic 100BASE-FX, 100BASE-TX/1000BASE-TX
Support for multiple communication protocol - IEC 61850 (Ed 1.0 and 2.0), IEC 60870-5-103, MODBUS/TCP, IEC 62439 PRP/HSR/RSTP
Cyber Security
Extensive cyber security features:
Port and protocol control
Complexed password for extra security user authentication
Security event logging
Encrypted communication between GR-TIEMS and IED (Optional)
Role-based Access Control (RBAC) based on IEC 62351-8 (Optional)
Human Interface
21 Character width, 8 Line LCD with backlight
14 LEDs (2 pre-configured LEDs + 12 configurable LEDs)
5 programmable function keys for user demand operation
Personal computer interface (USB 2.0 port and Ethernet ports)
Relay setting and configuration using GR-TIEMS Software
Multi-function Protection and Control IED GRE200
