GE F650-B-F-G-F-2-G-1-HI-E – Multilin Feeder Protection & Bay Controller

Technical Specifications

• Manufacturer: GE Vernova (Multilin)
• Model: F650-B-F-G-F-2-G-1-HI-E
• Series: Multilin F650 Feeder Protection & Bay Controller
• Input Current: 5 A (nominal, software-selectable 1 A/5 A)
• Input Voltage: 120/240 V AC (nominal)
• Power Supply: 24–250 V DC / 110–240 V AC (dual redundant, wide-range)
• Processor: 32-bit RISC processor, high-speed real-time processing
• Memory: 512 MB RAM, 4 GB flash memory (with battery-backed RTC)
• Display: Basic LCD (B) with backlight, graphical interface, programmable buttons
• Communication Ports:
  • Ethernet: 10/100 Mbps (G), IEEE 1588 PTPv2, IEC 61850 Ed.2, IEC 62439 PRP/HSR
  • Serial: None (F), optional RS485/RS232 modules
• I/O Configuration:
  • Digital Inputs: 16 (optically isolated, dry/wet contact support)
  • Digital Outputs: 8 (relay, 5 A/250 V AC rating)
• Time Synchronization: IEEE 1588 PTP, IRIG-B, SNTP (dual SNTP master support)
• Operating Temperature: -25°C to +70°C (-13°F to 158°F)
• Storage Temperature: -40°C to +85°C (-40°F to 185°F)
• Relative Humidity: 5%–95% (non-condensing)
• Protection Class: IP40 (front panel), IP20 (rear)
• Dimensions (H×W×D): 144 mm × 178 mm × 254 mm
• Weight: 2.5 kg (approximate)
• Certifications: CE, UL 508, CSA, IEC 61850-3, IEC 60255, SIL 2, KEMA-certified IEC 61850 Ed.2

Key Features

1. Comprehensive Protection Functions
   • Overcurrent Protection: Time/instantaneous/directional phase, neutral, ground, and sensitive ground overcurrent (50/51, 67/67N)GE Vernova.
   • Voltage Protection: Over/undervoltage (27/59), negative sequence voltage (47), neutral overvoltageGE Vernova.
   • Frequency Protection: Six stages of over/underfrequency (81), rate-of-change frequency (ROCOF)GE Vernova.
   • Fault Protection: Breaker failure (50BF), earth fault (50G/51G), arc flash detection, broken conductor, locked rotorGE Vernova.
   • Thermal Protection: Thermal overload (49), 2nd harmonic restraint for transformer inrushGE Vernova.
2. Advanced Automation & Control
   • Four-shot autorecloser with synchronism check (25) for overhead line fault restorationGE Vernova.
   • FlexLogic™ programmable logic for custom automation schemes (load shedding, bus transfer, interlocking).
   • Breaker/isolator control, trip circuit supervision, and load encroachment supervisionGE Vernova.
   • Metering: High-accuracy RMS voltage, current, power, energy, and power factor measurement.
3. High-Speed & Secure Communication
   • IEC 61850 Ed.2 certified for seamless integration into smart substations, supporting GOOSE, MMS, and SV.
   • Multiple protocols: IEC 60870-5-103/104, Modbus RTU/TCP, DNP3, IEC 62439 PRP/HSR for redundant networks.
   • IEEE 1588 PTP for sub-microsecond time synchronization, critical for fault analysis and system coordination.
4. Robust HMI & Diagnostics
   • Graphical LCD with single-line diagrams for bay monitoring, programmable function keys, multilingual support.
   • Event & disturbance recording: 1000+ event logs, waveform capture (oscillography), fault locator, and data logger.
   • Self-diagnostics: Continuous health monitoring, fault alarms, and LED status indicators for power, communication, and faults.
5. Modular & Rugged Design
   • Drawout construction for easy installation, maintenance, and replacement without system shutdown.
   • Wide environmental tolerance: Extended temperature range, vibration/shock resistance (10–500 Hz, 1 g; 25 g, 11 ms).
   • Dual redundant power supplies ensure uninterrupted operation during power fluctuations.

Application Scenarios

1. Utility Power Distribution
   • Distribution Substations: Primary/backup protection for 10–35 kV feeders, ring-bus, double-breaker, and breaker-and-a-half configurationsGE Vernova.
   • Urban Distribution Networks: Overhead lines and underground cables, automatic reclosing for temporary fault recovery.
   • Renewable Grid Integration: Protection for solar/wind farm collection lines, anti-islanding (active/passive), and grid interconnection controlGE Vernova.
2. Industrial Power Systems
   • Manufacturing Plants: Steel, chemical, petrochemical, and pharmaceutical facilities; feeder protection for motors, transformers, and critical loads.
   • Oil & Gas: Refineries, pipelines, and LNG plants; protection for turbine-driven compressors, pumps, and process equipment.
   • Data Centers & Airports: Critical infrastructure power distribution, load shedding, and bus transfer schemes for high availability.
3. Substation Automation & Control
   • Smart Substations: IEC 61850-based bay control, remote monitoring, and SCADA integration; “four remotes” (remote measurement, signaling, control, adjustment).
   • Bus Blocking/Interlocking: Fault isolation and system stability enhancement in complex substation topologiesGE Vernova.
   • Arc Flash Mitigation: High-speed fault detection to reduce arc flash risks and improve personnel safetyGE Vernova.
4. Other Critical Applications
   • Railway Electrification: Feeder protection for traction power supply systems.
   • Water Treatment Plants: Protection for pump and motor feeders, ensuring continuous operation.