GE T60-U03-HTL-F4D-H4D-M4D-P4D-U4D-W/X4D Transformer Protection Device

GE T60-U03-HTL-F4D-H4D-M4D-P4D-U4D-W/X4D Transformer Protection Device

I. Basic Information
Full model name: T60-U03-HTL-F4D-H4D-M4D-P4D-U4D-W/X4D
Brand: GE Vernova (formerly GE Multilin)
Product series: UR Series T60 Main Transformer Integrated Protection and Monitoring Device (Transformer Protection System)
Positioning: Complete set of differential, backup, measurement, waveform recording, communication integrated protection relays for power main transformers, two-winding/three-winding autotransformers in substations, and tie transformers. Fully complies with IEC61850 and IEEE C37.91 transformer protection standards.

Complete Model Segmentation and Position-by-Position Analysis (Official Standard Coding Rules)
Coding Structure: T60 – U03 – HTL – F4D – H4D – M4D – P4D – U4D – W/X4D Table
Section 1: Code & Official Definition Explanation
T60: T60 Product Model: UR Series Transformer Specialized Integrated Protection Device
U03: U03 CPU + Power Base Unit
U = General CPU Platform; 03 = Standard 3-Winding Transformer Software Authorization (Supporting Three-Winding / Autotransformer Differential Protection)
HTL: HTL Installation Structure + Operation Panel
H = Full Size Horizontal 19-inch Rack Installation; T = Standard Key LCD Panel; L = English Interface Display
F4D: F4D CT/VT Analog Input Board (Main Signal Board)
F = Analog Input Module; 4D = 4-channel Solid-state MOSFET DC Transmitter Output
H4D: H4D Digital Switch Input DI Board
H = DI Module; 4D = 16 AC/DC General-purpose Digital Inputs with Breaker Self-Detection
M4D: M4D Digital Output DO Trip Board 1
M = Relay Output Module; 4D = 4-channel Solid-state MOSFET Unmonitored Solid-state Output
P4D: P4D Transducer I/O Expansion Board
P = Transducer Expansion; 4D = 4 channels 4–20mA Analog Output
U4D: U4D Second Group DO Expansion Board
U = Auxiliary Output Expansion; 4D = Additional 4 channels Solid-state MOSFET Alarm Output
W/X4D: W/X4D Communication Expansion Backplane (Composite Dual Communication Configuration)
W = Basic Ethernet + RS485; X4D = Extended 4-port multimode fiber Ethernet, supports IEC61850, PRP Redundancy, 1588 Time Synchronization, Process Bus Process Bus
Key Module Explanation: The 4D suffix uniformly indicates
In the full model, 4D represents 4-channel solid-state MOSFET without monitoring output, without contact sticking detection, fast response, suitable for driving transducers, solenoids, remote signal acquisition; different from the monitored Form-C relay output (6C/6A etc. codes).

Core Protection Functions (U03 Three-Winding Authorization Standard)
Main Protection
Ratio Differential Protection, Zero Sequence Differential, Side Differential, Phase-to-Phase Short Circuit, Excitation Surge Current Braking, Overexcitation (V/Hz) Protection
Backup Phase-to-Phase Protection
Multiple-phase Overcurrent, Negative Sequence Overcurrent, Impedance Distance Protection (5 Distance Elements), Phase Failure, Phase Sequence Abnormality
Grounding / Zero Sequence Protection
Neutral Point Gap Grounding, Zero Sequence Overcurrent, Zero Sequence Overvoltage, Stator Grounding, Circuit Breaker Failure Protection
Voltage / Frequency Auxiliary Protection
Overvoltage, Undervoltage, Overfrequency, Low Frequency, Loss of Magnetism, Low Voltage Lockout Overcurrent
Measurement and Recording
Full-quantity Measurement (Three-phase U/I/P/Q/S / Power Factor / Harmonics), Fault Recording, Event SOE, Protection Action Recording, Thermal Load Accumulation, Oil Temperature and Winding Temperature Monitoring

Hardware Configuration (Complete IO List for This Model)
Analog Input (F4D)
Multiple groups of CT/PT secondary input, compatible with 1A/5A CT, 100V PT, built-in secondary circuit open circuit detection
4 independent 4–20mA transmitter outputs (power, current, temperature, gear signal sent to the background)
Switch Input (H4D)
16 DI, 24/110/220V AC/DC adaptive, loop open circuit diagnosis, acquisition of switch position, gas, oil temperature, cooling system, switch position
Solid-state Output Channels (M4D + U4D Total 8 MOSFET)
Used for alarms, cooling fan start/stop, gear adjustment, remote remote signal output; No mechanical contacts, longer lifespan
Communication architecture (W/X4D dual redundant communication)
Electrical ports: Dual 10/100M Ethernet, Modbus TCP, IEC61850 MMS
Fiber optic expansion: 4-port multimode FX: Process Bus (IEC61850-9-2LE), PRP dual network redundancy, IEEE1588 precise timing, GOOSE tripping interlock
Built-in RS485: Modbus RTU, compatible with traditional RTU background systems

Electrical and Environmental Specifications
Power supply: Standard 125/250V AC/DC universal (HTL horizontal model standard)
Installation: 19-inch standard control cabinet horizontal frame (Full Size H type)
Protection: IP20, used in indoor central control and protection room
Operating temperature: -20℃ ~ +60℃; Storage – 40~+85℃
Timing: IRIG-B, 1588, serial port timing fully supported
Certifications: UL, CE, IEC61850 Ed1/Ed2, IEEE C37.91 transformer protection standard

Typical Application Scenarios
Thermal power plant / Hydropower plant Main step-up three-winding transformer Complete set protection measurement and control
220kV/500kV substation two rolls / Autotransformer tie transformer, station transformer protection
New energy power station (wind power / photovoltaic) Step-up transformer differential and backup protection
Chemical, metallurgical self-owned power plant large power transformer comprehensive monitoring