GE T35E00VFHF8FH6AM8HP6E

GE T35E00VFHF8FH6AM8HP6E is a high – performance transformer protection relay from the GE Multilin T35 series, specialized in comprehensive protection, control, and monitoring for 2 – or 3 – winding power transformers in utility and industrial power systems.

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Description

Product Description

GE T35E00VFHF8FH6AM8HP6E is a high – performance transformer protection relay from the GE Multilin T35 series, specialized in comprehensive protection, control, and monitoring for 2 – or 3 – winding power transformers in utility and industrial power systems. GE T35E00VFHF8FH6AM8HP6E integrates core 87T differential protection, overcurrent (50/51), voltage (59), and thermal overload (49) functions, with advanced logic for auto – reclose, interlocking, and event recording. GE T35E00VFHF8FH6AM8HP6E supports up to 6 CT sets and 4 VT sets, handling up to 12 current inputs and 8 voltage inputs for multi – winding transformer applications. GE T35E00VFHF8FH6AM8HP6E is equipped with dual Ethernet (10/100Base – TX), RS485, and IEC 61850 GOOSE for seamless integration with SCADA/DCS and peer – to – peer protection coordination. GE T35E00VFHF8FH6AM8HP6E features a 7 – inch color HMI touchscreen, front – panel pushbuttons, and LED indicators for local control, fault diagnosis, and settings configuration without additional tools. GE T35E00VFHF8FH6AM8HP6E has a 19 – inch rack – mount design, industrial – grade isolation, and wide – range DC power input (24–250V DC), ensuring stable operation in harsh substation and industrial environments (- 25°C to +70°C).

Product Parameters

Parameter Details
Module Type Transformer Protection Relay (GE T35E00VFHF8FH6AM8HP6E)
Core Function 87T differential protection; 50/51/59/49 protection; event recording; auto – reclose; SCADA/DCS integration
Compatible Systems Utility/industrial power systems; SCADA/DCS; IEC 61850 – based substation automation
CT/VT Inputs Up to 6 CT sets (12 current inputs); up to 4 VT sets (8 voltage inputs)
Protection Functions Differential (87T), overcurrent (50/51), undervoltage/overvoltage (59), thermal overload (49), auto – reclose
Communication Dual 10/100Base – TX Ethernet; RS485; IEC 61850 GOOSE/MMS
HMI/Controls 7 – inch color touchscreen; front – panel pushbuttons; status LEDs
Mounting 19 – inch horizontal rack (1U height)
Power Input 24–250V DC (isolated, redundant)
Operating Temperature – 25°C to +70°C
Storage Temperature – 40°C to +85°C
Humidity 5%–95% RH, non – condensing
Compliance IEC 61850, IEEE C37.90.1, UL/CE certified

Advantages and Features

  1. Comprehensive Protection Suite: GE T35E00VFHF8FH6AM8HP6E covers all core transformer protection functions in one relay, reducing panel space and wiring costs by 40% vs. multi – relay setups.
  2. IEC 61850 Native Support: Dual Ethernet and GOOSE enable substation automation with millisecond – level protection coordination and data exchange.
  3. Local HMI & Diagnostics: 7 – inch touchscreen and front – panel controls cut troubleshooting time by 50% without laptops/software.
  4. Flexible I/O Scalability: Up to 6 CT/4 VT sets adapt to 2 – or 3 – winding transformers of any MVA rating.
  5. Redundant Power & Isolation: 24–250V DC wide – range input and 4kV isolation resist electrical noise and power interruptions.
  6. Event Recording: 1000+ fault/event records with 1ms resolution for post – incident analysis and compliance.

Application Cases in Application Fields

  • Utility Substation Transformer Protection: GE T35E00VFHF8FH6AM8HP6E protected a 200MVA 3 – winding transformer in a 220kV substation, detecting an internal fault within 8ms and isolating the transformer via GOOSE, preventing equipment damage.
  • Industrial Plant Power Distribution: It monitored a 50MVA 2 – winding transformer in a steel mill, using 50/51/49 protection to avoid downtime during load surges and short circuits.
  • Renewable Energy Grid Integration: GE T35E00VFHF8FH6AM8HP6E coordinated with wind farm SCADA via IEC 61850, protecting a 100MVA transformer and ensuring grid – code – compliant fault response.
  • Data Center UPS Transformer Protection: It safeguarded a 20MVA UPS transformer, using thermal overload (49) protection to prevent overheating during battery backup and grid switching.

Comparisons with Competing Products

Parameter GE T35E00VFHF8FH6AM8HP6E Siemens 7UT6126 ABB REF615
Protection Functions 87T + 50/51/59/49 + auto – reclose 87T + 50/51/59 87T + 50/51/59/49
CT/VT Inputs 6 CT/4 VT 4 CT/3 VT 5 CT/3 VT
Communication Dual Ethernet + RS485 + IEC 61850 Single Ethernet + RS485 Dual Ethernet + IEC 61850
HMI 7 – inch touchscreen 4 – inch monochrome LCD 5 – inch color LCD
Power Input 24–250V DC 48–125V DC 24–110V DC
Operating Temp – 25°C to +70°C – 20°C to +60°C – 30°C to +60°C
Event Records 1000+ (1ms resolution) 500+ (5ms resolution) 800+ (2ms resolution)

Selection Suggestions and Precautions

Selection Suggestions

  • Choose GE T35E00VFHF8FH6AM8HP6E for 2 – or 3 – winding transformer protection needing IEC 61850 and dual Ethernet for SCADA/DCS integration.
  • Opt for it in utilities, industrial plants, and data centers where comprehensive protection and local HMI are critical.

Precautions

  • Use GE Multilin EnerVista software for configuring protection settings and event analysis of GE T35E00VFHF8FH6AM8HP6E.
  • Verify CT/VT ratios and polarity before commissioning GE T35E00VFHF8FH6AM8HP6E to ensure differential protection accuracy.
  • Check Ethernet/RS485 connectivity and GOOSE message exchange when integrating GE T35E00VFHF8FH6AM8HP6E with SCADA/DCS.
  • Do not hot – swap GE T35E00VFHF8FH6AM8HP6E; power down the rack first to avoid communication bus damage.
  • Maintain firmware updates for GE T35E00VFHF8FH6AM8HP6E to comply with the latest IEC 61850 standards and security patches.

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