Key Features
1. Comprehensive Feeder Protection
- Phase and ground overcurrent protection (50/51, 50N/51N) with directional elements
- Sensitive earth fault (SEF) and thermal overload protection
- Under/overvoltage and over/underfrequency supervision
- Fast fault isolation to minimize operational downtime
2. Advanced Control & Automation
- Bay-level breaker control and interlocking
- FlexLogic™ programmable logic for custom automation and protection schemes
- Supports auto-reclose sequences, conditional interlocks, and complex system logic
3. Monitoring & Recording
- Real-time metering of voltage, current, power, frequency, and energy
- Sequence-of-events (SOE), oscillography, and fault/event logs
- Time-stamped records for system diagnostics, fault analysis, and compliance
4. Communication & Integration
- Multi-protocol support: IEC 61850, Modbus TCP/RTU, DNP3, IEC 60870-5
- Ethernet connectivity with optional redundancy for SCADA/DCS integration
- Seamless integration with modern substation automation systems
5. Industrial-Grade Reliability
- Rugged construction for harsh environments in substations and industrial facilities
- High immunity to electromagnetic interference and voltage transients
- Long operational life with minimal maintenance
Technical Highlights
- Product Model: F650BFBF1GOHICE\F
- Manufacturer: GE
- Series / Platform: F650 Multilin Feeder Protection Relay
- Protection Functions: Phase/ground overcurrent, directional elements, thermal overload, voltage/frequency supervision, sensitive earth fault
- I/O Configuration: Expanded digital/analog I/O per BFBF1GOHICE\F option code
- Logic Engine: FlexLogic™ programmable automation
- Communication Interfaces: IEC 61850, Modbus TCP/RTU, DNP3, IEC 60870-5, Ethernet
- Recording: SOE, oscillography, fault/event logs
- Power Supply: Wide-range AC/DC (24–250 VDC / 48–240 VAC)
- Mounting: Panel / substation standard
- Operating Temperature: –40°C to +70°C
- Standards & Compliance: CE, IEC 60255 series, UL/CSA where applicable
Applications
- Medium- and high-voltage feeder protection
- Utility and industrial substations
- Automated SCADA/DCS-controlled feeder bays
- Retrofit for legacy F650 relay systems
- Critical feeders in process plants, power generation, and offshore installations
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