The ABB RED670 1MRK002810-XE is a line differential protection relay designed for the protection, monitoring, and control of overhead lines and cables. As an Intelligent Electronic Device (IED), it employs advanced algorithms to ensure fast, accurate, and reliable operation, making it ideal for power systems that require high levels of protection and efficiency.

Technical Specifications

• Protection Functions:
  • Line Differential Protection: Detects and isolates faults based on current differences.
  • Distance Protection: Monitors impedance to identify faults in the transmission network.
  • Overcurrent Protection: Trips the circuit when current exceeds preset levels.
  • Earth Fault Protection: Detects faults to ground and isolates affected sections.
  • Loss of Excitation Protection: Protects generators from damage due to loss of excitation.
• Monitoring Functions:
  • Voltage Monitoring: Continuously measures and monitors voltage levels.
  • Current Monitoring: Tracks current levels for fault detection and operational monitoring.
  • Frequency Monitoring: Monitors the system’s frequency to ensure stability.
  • Power Monitoring: Provides real-time power data for operational insight.
  • Temperature Monitoring: Measures the temperature of critical components to prevent overheating.
• Control Functions:
  • Breaker Control: Allows direct control of circuit breakers for operational safety.
  • Trip and Close Commands: Sends commands to trip or close breakers as needed.
  • Remote Control: Enables remote operation, diagnostics, and configuration of the relay.
• Physical Specifications:
  • Dimensions: 135 x 186 x 119 mm
  • Weight: 1.2 kg