T35

Product Overview

T35 is a transformer protection system by General Electric, designed for protecting power transformers with up to six windings. It features advanced algorithms for secure, high-speed protection and phase shift compensation.

Protection Features

• Transformer Types Supported: Up to 6 windings
• CT Ratio Matching: Automatic or user-defined
• Phase Shift Compensation: For all winding connections, including delta
• Zero-Sequence Current Removal: Optional for delta-connected windings

Key Benefits

• High-Speed Protection: Compliant with IEEE® C37.91
• Enhanced Transformer Energization Security: Adaptive 2nd harmonic restraint algorithm
• Customization: Independent magnitude/phase angle compensation for up to 6 CTs
• Automation: Customizable protection and control solutions
• Display: Full-color real-time visualization of protected bay, bay mimic, and phasors

Communication and Networking

• IEC 61850: Ed. 1 and 2 certified, ensuring interoperability
• GOOSE Messaging: R-GOOSE for wide-area protection and control
• Network Availability: Zero failover time with IEC® 62439-3 “PRP”

Applications

• Primary and backup protection for power transformers and related systems
• Integration in automated substation control systems
• Protection for transformers, autotransformers, reactors, and more

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