ABB REF615C-D Feeder Protection and Control Intelligent Electronic Device

Description

Technical Specifications

• Product Type: Feeder Protection and Control IED
• Product Family: ABB Relion® 615 Series
• Operating Voltage: 85–265 V AC/DC (wide input range)
• Frequency: 50/60 Hz (dual frequency compatible)
• Power Consumption: 10 VA (typical)
• Current Inputs: 3×CT inputs (1 A/5 A configurable), 1×residual current input
• Voltage Inputs: 3×VT inputs
• Digital Inputs: 16 optically isolated digital inputs (24–250 V DC/AC)
• Digital Outputs: 12 relay outputs (changeover contacts, 250 V AC/30 V DC, 5 A)
• Display: 4.3-inch color graphical LCD with customizable Single Line Diagram (SLD)
• Communication Interfaces:
  • 2×100BASE-TX Ethernet ports (RJ45)
  • 1×RS-485 serial port
  • Optional fiber optic ports (100BASE-FX, LC connector)
• Supported Protocols: IEC 61850 Edition 1/2 (GOOSE, IEC 61850-9-2 LE), Modbus (RTU/TCP), DNP3.0, IEC 60870-5-103
• Time Synchronization: IEEE 1588 V2 (PTP), SNTP, IRIG-B
• Communication Redundancy: HSR (High-availability Seamless Redundancy), PRP (Parallel Redundancy Protocol)
• Operating Temperature: -25°C to +70°C
• Storage Temperature: -40°C to +85°C
• Relative Humidity: 5–95% non-condensing
• Dimensions: 177 mm (H) × 164 mm (W) × 194 mm (D) (4U rack-mounted)
• Weight: 3.5 kg (approximate)
• Protection Rating: Front panel IP54, top IP40, rear IP20
• Certifications: IEC 60255, IEC 61800-5-1, CE, UL, RoHS, EMC compliant

Key Functional Features

Comprehensive Feeder Protection Functions

• Overcurrent Protection: Directional and non-directional, instantaneous, definite time, inverse time overcurrent protection (50/51, 67) for phase and earth faults
• Earth Fault Protection: Sensitive, directional, multi-frequency admittance-based earth fault protection (50G/51G, 67N) for high selectivity in complex networks
• Voltage Protection: Over/undervoltage (27/59), residual overvoltage (59G), positive/negative sequence voltage protection
• Frequency Protection: Over/under frequency (81), rate of change of frequency (df/dt) protection
• Thermal Protection: Thermal overload (49) protection with accurate thermal replica modeling
• Breaker Failure Protection: Dedicated logic to detect circuit breaker failure and initiate backup tripping
• Fault Location: Optional advanced fault location function for precise short circuit and earth fault point localization
• Arc Flash Protection: Optional 3-channel optical detection for internal arc fault protection

Advanced Control & Automation Capabilities

• Circuit Breaker Control: Local/remote control, trip/close logic, comprehensive interlocking functions
• Auto-Reclosing: Multi-shot auto-reclosing with configurable sequence, pre/post-acceleration, and manual close acceleration
• Synchronization: Voltage, frequency, and phase angle matching for feeder synchronization
• Load Shedding: Priority-based load shedding scheme to maintain system stability
• Custom Logic: User-configurable logic via graphical programming tools for application-specific control
• Setting Groups: Up to 8 configurable setting groups for flexible operation mode switching

High-Precision Measurement & Monitoring

• Measurement Accuracy: 0.2-class for energy metering, 0.5-class for current and voltage measurement
• Measured Parameters: Three-phase current/voltage, active/reactive/apparent power, energy, frequency, power factor
• Fault Recording: Digital Fault Recorder (DFR) with 4 analog channels and 64 binary channels, 4 kHz sampling rate
• Event Logging: Sequence of Events Recorder (SER) with over 500 time-stamped events (1 ms resolution)
• Continuous Supervision: Breaker status monitoring, trip circuit supervision, RTD supervision, and self-diagnostics

Robust Communication & System Integration

• IEC 61850 Native Support: Full compliance for seamless integration into digital substation automation systems
• Redundant Communication: HSR/PRP support for zero-time failover and uninterrupted communication
• Multi-Protocol Compatibility: Supports legacy and modern industrial protocols for broad system integration
• Horizontal Communication: Fast GOOSE messaging for peer-to-peer interlocking between IEDs
• Remote Access: Web-based HMI for remote configuration, monitoring, and diagnostic access

Industrial-Grade Reliability & Design

• Withdrawable Unit Design: Easy installation, testing, and replacement without system shutdown
• Harsh Environment Rating: Extended temperature range and high resistance to vibration and shock
• EMC Compliance: Superior immunity to electromagnetic interference in industrial environments
• Coated Electronics: Enhanced protection against dust, moisture, and chemical pollutants
• Intuitive HMI: Front panel interface with LED indicators for local operation and status monitoring

Application Scenarios

Electric Utility Distribution Networks

• Primary Distribution Substations: Primary protection for overhead lines and underground cable feeders
• Secondary Distribution Networks: Protection and control for radial, looped, and meshed distribution networks
• Distribution Automation Systems: Integration with SCADA for remote monitoring, control, and automation
• Digital Substations: Core IED for IEC 61850-based digital substation feeder protection and control

Industrial Power Systems

• Oil & Gas: Refineries, petrochemical plants, and offshore platform distribution protection
• Metals & Mining: Smelters, rolling mills, and mining site substation feeder control
• Cement & Minerals: Raw material, kiln, and finishing plant power distribution protection
• Pulp & Paper: Mill substations and motor control center feeder protection
• Chemicals & Pharmaceuticals: Hazardous area power distribution with safety interlocking

Renewable Energy Integration

• Solar PV Plants: Inverter station feeder protection and grid interconnection control
• Wind Farms: Collector system feeder protection and voltage/frequency regulation
• Microgrids: Feeder protection and control for microgrids with distributed generation

Commercial & Critical Infrastructure

• Airports & Seaports: Critical load distribution and backup power feeder protection
• Data Centers: UPS and critical power supply feeder protection
• Hospitals & Healthcare: Life safety system power distribution protection
• Rail & Mass Transit: Traction power distribution and auxiliary system control

Water & Wastewater Treatment

• Water Treatment Plants: Pump station and process power distribution protection
• Wastewater Facilities: Aeration and sludge processing system feeder control
• Water Supply Networks: Pumping station feeder protection and automation