GE Multilin T60 Transformer Management Relay

Overview

The T60 Transformer Protection System provides comprehensive protection for various transformer types, including autotransformers and reactors. It offers multiple protection functions such as differential, overcurrent, overvoltage, underfrequency, and over-fluxing. With advanced communication support (IEC 61850), high-speed protection, and flexible I/O options, it ensures reliability, security, and cost-efficiency in power systems.

Technical Specifications

• Protection Functions:

  • Differential Protection
  • Ground Differential Protection
  • Overcurrent Protection (Phase, Neutral, Ground)
  • Under/Overvoltage Protection
  • Under/Overfrequency Protection
  • Over-fluxing Protection
  • Five Distance Zones
  • Breaker Failure Protection

• Advanced Communication:

  • IEC 61850 Ed. 1 and Ed. 2 certified
  • GOOSE (R-GOOSE) messaging for wide-area protection
  • Flexible process bus support (IEC 61850-9-2LE, IEC 61869, IEC 61850-9-2 Hardfiber)
  • Three independent Ethernet ports (fiber or copper)
  • IEEE 1588 time synchronization

• Cybersecurity:

  • CyberSentryTM to meet modern industry requirements

• Fault Detection:

  • Adaptive 2nd Harmonic Restraint Algorithm for inrush detection
  • Independent harmonic detection element

• Monitoring:

  • Transformer Asset Monitoring using loss-of-life, aging factor, and hottest spot metrics
  • Sensitive Ground Fault Protection with low-impedance differential protection down to 5% of winding

• Phasor Measurement:

  • IEEE C37.118 (2014) and IEC 61850-90-5 compliant

• I/O Flexibility:

  • Multiple I/O options, including high-density I/O and programmable logic
  • Modular, customizable design

• Display:

  • Large Full-Color Display for real-time visualization, control, and graphical phasor visualization

• Time Synchronization:

  • 1-microsecond synchronization via LAN

• Environmental:

  • Suitable for a wide range of transformer types and configurations, including up to six windings in a ring bus or breaker-and-a-half setup.