GE Multilin 745-W2-P1-G1-HI-E Transformer Protection Relay

GE Multilin 745-W2-P1-G1-HI-E is a high-performance transformer protection relay developed by GE, which integrates protection, measurement, monitoring and fault recording functions. It provides comprehensive protection solutions for power transformers in power systems.

This relay supports rich protection logic and flexible setting parameters, with stable anti-interference performance. It is widely used as spare replacement and maintenance for substation, power plant and industrial power distribution transformer protection cabinets.

Data Parameters

• 1. Brand: GE Multilin.

• 2. Model: 745-W2-P1-G1-HI-E.

• 3. Product Type: Transformer Protection Relay.

• 4. Application: Power transformer protection and monitoring system.

• 5. Feature: Differential protection, overcurrent, overvoltage, thermal overload protection.

• 6. Characteristic: Built-in fault event recorder, LCD local display panel.

• 7. Communication: Support Modbus, DNP3, Ethernet communication protocol.

• 8. Package: Complete relay unit with terminal base and accessories.

• 9. Mounting: Standard panel mounting for electrical cabinet.

• 10. Operating Temperature: -40℃ ~ +85℃.

Core Functions

• 1. Provide transformer differential protection to detect internal winding short-circuit faults.

• 2. Realize backup protection including phase overcurrent, earth fault and over/under voltage.

• 3. Monitor transformer winding temperature and implement thermal overload protection alarm.

• 4. Record fault waveform, event log and realize local & remote signal uploading.

• 5. Support flexible logic programming to match different transformer connection groups.

Application Scenarios

• 1. Substation main power transformer protection cabinet spare replacement and maintenance.

• 2. Power plant auxiliary transformer comprehensive protection and monitoring project.

• 3. Large industrial factory high-voltage distribution transformer protection renovation.

• 4. Old GE transformer protection relay cabinet upgrade and transformation.

• 5. New energy station booster station transformer protection spare inventory backup.

FAQ

• 1. Q: What is GE Multilin 745-W2-P1-G1-HI-E?
      A: It is a multifunctional digital relay specially used for power transformer protection.

• 2. Q: What is its core protection function?
      A: The core is transformer differential protection, plus thermal, overcurrent and voltage protection.

• 3. Q: Can it communicate with SCADA system?
      A: Yes, it supports multiple communication protocols to connect to upper monitoring system.