GE Multilin M60 Motor Protection System

Overview

The Multilin M60 is a motor protection system designed for medium to large-sized three-phase induction and synchronous motors. It offers comprehensive protection, control, and diagnostic features that ensure maximum reliability and efficiency. The M60 provides advanced protection functions such as thermal modeling, current unbalance biasing, and broken rotor bar detection, among others. Its flexible architecture supports a wide range of industrial applications, including automation, process control, and stand-alone protection.

Technical Specifications

• Motor Protection Features:

  • Thermal Model with RTD: Provides real-time temperature monitoring for enhanced protection.
  • Current Unbalance Biasing: Adjusts for unbalanced loads to prevent false tripping.
  • Stator Differential Protection: Detects faults in the motor windings.
  • Reverse Power Protection: Prevents motor damage due to reverse power flow.
  • Low Forward Power Detection: Safeguards motors against insufficient power conditions.
  • External RRTD Module: Extends the system's thermal protection capability.
  • Two-Speed Motor Protection: Supports two-speed motor configurations.
  • Reduced Voltage Starting Protection: Detects issues during motor startup with reduced voltage.
  • Broken Rotor Bar Detection: Detects motor rotor faults to prevent failure.

• Communication:

  • IEC 61850 Ed. 1 & 2 Certified: Full implementation of the IEC 61850 standard for device communication.
  • GOOSE Messaging: Supports R-GOOSE for wide-area protection and control applications.
  • SCL File Settings: Allows complete configuration via SCL files for easy integration.
  • Flexible Process Bus Support: Supports IEC 61850-9-2LE or IEC 61850-9-2 Hardfiber.

• Programming & Configuration:

  • EnerVista™ M60 Autoconfigurator: Simplifies programming with automatic configuration for motor settings.

• Security:

  • Critical Infrastructure Protection: Features dual permission access control and user command logging.
  • Network Security: Ensures robust protection against cyber threats in industrial environments.

• I/O & Modularity:

  • High-Density I/O: Multiple I/O options, including customizable configurations.
  • Programmable Logic: Supports customizable logic for specific applications.
  • Modular Design: Allows for scalability and flexibility in system design.

• Fault & Disturbance Recording:

  • High-End Fault Recording: Detailed fault and disturbance event capture for post-event analysis.
  • Waveform Capture: Supports COMTRADE 2013 for managing fault records and waveform data.

• Display & Visualization:

  • Large Full-Color Display: Provides real-time visualization of the protected bay with graphical phasors and annunciator functionality.
  • Bay Mimic: Displays motor status and protection settings visually.

• Environmental & Mechanical:

  • Operating Temperature: -40°C to +70°C (-40°F to +158°F).
  • Vibration and Shock Resistance: Designed for rugged industrial environments.
  • Mounting: Standard rack or panel mount.

Power Supply:

• Nominal Voltage: 24V DC (±20%)
• Power Consumption: Approx. 15 W

Approvals:

• UL Listed
• CE Marked
• IEC 60255 Certified