GE Multilin T35 Transformer Protection System

$1.00

The T35 is designed to provide basic transformer protection functions for variety of transformer applications. It uses multiple current inputs to provide primary protection and backup protection of transformers, including differential, phase and ground overcurrent.

Key Benefits:

  • Secure high-speed transformer differential protection in a cost-effective package
  • Improved security for transformer energization and inrush
  • Application flexibility for transformers with up to 6 sets of CTs
  • Robust network security enabling Critical Infrastructure Protection
  • Advanced IEC 61850 Ed. 1 and Ed. 2 certified implementation, complete settings via SCL files and flexible process bus support (IEC 61850-9-2LE or IEC 61850-9-2 Hardfiber) ensures interoperability, device managing optimization and reduced cost of ownership
  • Routable GOOSE (R-GOOSE) enables GOOSE messages going beyond the substation, which enables wide area protection and control applications
  • High-speed inter-relay communications reduce relay-to-relay wiring and associated costs
  • Application flexibility with multiple I/O options including high density I/O, programmable logic, modularity, and specific customization
  • An integrated large, full color display, provides real-time visualization and control of the protected bay, via a bay mimic as well as annunciator functionality and graphical visualization of phasors
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Description


Key Features:

  • Metering – current, voltage, power, energy, frequency, temperature
  • Oscillography – analog and digital parameters at 64 samples/cycle
  • Event Recorder – 1024 time tagged events with 0.5ms scan of digital inputs
  • Data Logger – 16 channels with sampling rate up to 1 sample/cycle
  • Setting for security audit trails for tracking changes to T35 configurations
  • Complete IEC 61850 Process Bus solution providing resource optimization and minimizing total P & C life cycle costs
  • Three independent 100Mbps Ethernet ports enable purpose specific LAN support that eliminates latency effect of heavy traffic protocols on mission critical communication services
  • Embedded IEEE 1588 time synch protocol support eliminates dedicated IRIG-B wiring requirements for IEDs
  • Direct I/O secures high-speed exchange of binary data between URs
  • Increase network availability by reducing failover time to zero through IEC62439-3 “PRP” support

 

Cyber Security:

  • Password Complexity
  • AAA Server Support (Radius)
  • Role Based Access Control (RBAC)
  • Event Recorder (Syslog for SEM)

 

Interoperability with embedded IEC 61850

Use the T35 with integrated IEC 61850 to lower costs associated with generator protection, control and automation. GE’s leadership in IEC 61850 comes from thousands of installed devices and follows on years of development experience with UCA 2.0. The T35’s IEC 61850 Process Bus module is designed to interface with the Multilin HardFiber System, allowing bi-directional IEC 61850 fiber optic communications. The HardFiber System is designed to integrate seamlessly with existing Universal Relay applications, including protection functions, FlexLogic, metering and communications.

 

Applications:

  • Combined protection for transformer and small bus zone, including breaker-and-a-half and ring bus diameters
  • Stand-alone or component in automated substation control system
  • Applicable for transformers with windings in a ring bus or breaker-and-a-half configuration

Communications:

  • New UR process bus modules supporting IEC61850-9-2LE Merging Units and IEC61850-9-2 Hardfiber
  • Support switchable IEC 61850 Ed. 1 and Ed. 2 and redundant SNTP
  • New UR front panel with integrated 7” color, graphical display – providing operators with enhanced situational awareness
  • High density I/O module supporting up to 120 inputs or up to 72 contact outputs – eliminating the need for additional discrete devices
  • Routable GOOSE (R-GOOSE) enables GOOSE messages going beyond the substation, which enables wide area protection and control applications
  • Increases GOOSE message reception up to 64 remote devices
  • IEC 61850 in line with Edition 2, IEC 61850 SCL file for all relay’s setting
  • IRC module that combines C37.92 multimode and direct connection singlemode
  • Three independent Ethernet ports
  • Time synchronization via IEEE 1588
  • PRP as per IEC 62439-3
  • IEC 60870-5-103

 

Monitoring & Diagnostics:

The T35 includes high accuracy metering and recording for all AC signals. Voltage, current, and power metering are built into the relay as a standard feature. Current and voltage parameters are available as total RMS magnitude, and as fundamental frequency magnitude and angle.

Key Features:

  • Metering – current, voltage, power, energy, frequency, temperature
  • Oscillography – analog and digital parameters at 64 samples/cycle
  • Event Recorder – 1024 time tagged events with 0.5ms scan of digital inputs
  • Data Logger – 16 channels with sampling rate up to 1 sample/cycle
  • Setting for security audit trails for tracking changes to T35 configurations

 

Advanced Automation:

The T35 incorporates advanced automation features including powerful FlexLogic™ programmable logic, communication, and SCADA capabilities that far surpass what is found in the average transformer relay. The T35 integrates seamlessly with other UR relays for complete system protection.

 

 

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