Digital guide
You are here:
Detailed content
Technical Specifications
Manufacturer: ABB, a leading global technology company specializing in digital technologies for industry.
Product Series: Part of the ABB Relion® 615 product series, which includes feeders, motor protection, and general system voltage supervision devices.
Power Supply: Flexible power supply options, including direct grid power or external DC power supply.
Communication Interfaces: Supports RS-485, Ethernet, and optional communication modules for Modbus (RTU and ASCII), IEC 60870-5-103, DNP 3.0, and SPA bus protocols.
Display: 2 × 16 character alphanumeric LCD with backlight and automatic contrast control.
Memory: Non-volatile memory for storing event codes, settings, and disturbance recorder data, even during power loss (with battery backup).
Functional Features
Protection Functions:
Overcurrent Protection: Three-phase non-directional overcurrent protection with time-delay or inverse definite minimum time (IDMT) characteristics, including low and high settings, and instantaneous stages.
Ground Fault Protection: Non-directional ground fault protection with time-delay or IDMT characteristics, low and high settings.
Phase Discontinuity Protection: Detects phase loss conditions.
Cable Thermal Overload Protection: Monitors cable temperature for overload conditions.
Arc Protection: Optional arc detection using light sensors for high-speed busbar arc protection in substations.
Auto-Reclosing: Provides up to 3 auto-reclosing attempts to clear temporary faults on overhead lines.
Breaker Failure Protection: Detects and trips the circuit breaker if it fails to open during a fault.
Measurement Capabilities: High-precision measurement of voltage, current, power, power factor, and other electrical parameters.
Monitoring and Control:
Real-time monitoring of system parameters and fault conditions.
Remote control and monitoring capabilities through serial communication or Ethernet interfaces.
Trip counters and status monitoring for circuit breakers.
Flexibility and Configurability:
Multiple input and output contacts (including power output contacts and signal output contacts) can be freely configured for various protection and signaling functions.
Optional I/O modules for additional digital inputs and outputs.
Configurable disturbance recorder for recording analog and digital signals triggered by internal or external events.
User Interface:
Intuitive LCD display with navigation buttons for easy configuration and monitoring.
Password protection for both the main settings and communication settings.
Application Scenarios
Industrial Power Distribution: Used to protect feeders and outgoing lines in industrial power distribution systems, providing comprehensive overcurrent and ground fault protection.
Utility Applications: Suitable for use as backup protection for motors, transformers, and generators in utility applications.
Marine and Offshore: Certified for use in marine and offshore environments, ensuring reliable protection in harsh conditions.
Substation Automation: Provides high-speed arc protection and monitoring capabilities for substations, improving safety and reliability.
