GE Multilin T35 Transformer Protection System

The GE Multilin T35 Transformer Protection System is a microprocessor-based protection and control system designed to safeguard medium and large transformers. It offers a range of protective functions, including overcurrent protection, differential protection, and temperature monitoring, making it ideal for use in electrical utilities, industrial plants, and commercial facilities.

Key Features

• Differential Protection: Provides protection against phase-to-phase and phase-to-ground faults within transformer windings.
• Overcurrent Protection: Includes both time-overcurrent and instantaneous overcurrent protection.
• Temperature Monitoring: Prevents transformer overheating by continuously monitoring temperature.
• Ground Fault Protection: Detects ground faults to minimize damage to the transformer.
• Fault Recording: Stores detailed fault logs and provides real-time diagnostic data for troubleshooting.
• Communication Protocols: Supports Modbus RTU, DNP3, and IEC 61850 for seamless integration with automation systems.
• User Interface: Features a high-resolution LCD display and keypad for local control and configuration.
• Event Logging: Provides time-stamped event logs for fault analysis.

Technical Specifications

• Inputs:
  • Up to 8 analog inputs for monitoring various transformer parameters.
  • Supports both digital inputs for remote monitoring and relay outputs for control signals.
• Power Supply:
  • Nominal Voltage: 120–240 V AC or DC.
  • Power Consumption: 15 VA (typical).
• Protection Functions:
  • Differential Protection: 50/51 for phase and ground faults.
  • Overcurrent Protection: Time-overcurrent, instantaneous overcurrent, and undercurrent.
  • Temperature Protection: Thermal overload protection.
  • Ground Fault Protection: Detects and mitigates ground faults.
• Communication:
  • Modbus RTU (RS-485)
  • DNP3 (RS-485 or Ethernet)
  • IEC 61850 (Ethernet)
• Display and Keypad:
  • LCD for status and diagnostics.
  • Keypad for configuration and testing.
• Event and Fault Logging:
  • Stores up to 300 events with time-stamped logs.
• Environmental Conditions:
  • Operating Temperature: -20°C to +60°C (-4°F to +140°F).
  • Storage Temperature: -40°C to +85°C (-40°F to +185°F).
  • Humidity: 5% to 95%, non-condensing.

Ordering Information

• Model Number: T35-XXXX
  • T35: Transformer Protection System
  • XXXX: Configuration options (e.g., input/output choices, communication protocols).

Warranty

• Warranty Period: 12 months from the date of shipment.

For detailed configurations, please refer to the GE Multilin T35 Brochure PDF

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