Product Description
🔹 Product Overview
|
Category |
Details |
|---|---|
|
Manufacturer |
General Electric (GE Multilin) |
|
Model/Part Number |
745-W2-P5-G5-HI |
|
Description |
Transformer Protection Relay designed for high-speed protection of small to large transformers. Supports two windings per phase, advanced protection algorithms, and integration with GE’s EnerVista software. |
|
Key Features |
High-speed differential protection, harmonic restraint, overexcitation blocking, Vnet/IP ready, RS232/RS485 ports, EnerVista 745 support |
🔹 Technical Specifications
|
Specification |
Details |
|---|---|
|
Model |
745-W2-P5-G5-HI |
|
Product Type |
Transformer Protection Relay |
|
Windings per Phase |
2 (W2) |
|
Phase Current Input |
5 A (P5 for both windings) |
|
Ground Current Input |
5 A (G5 for both windings) |
|
Control Power |
High (HI): 90–300 VDC / 70–265 VAC, 48–62 Hz |
|
Communication Ports |
RS232 (front), RS485/RS422 (rear), optional Ethernet |
|
Operating Temperature |
-40°C to 60°C (-40°F to 140°F) |
|
Weight |
Approx. 4.8 kg (10.6 lbs) with SR-series case |
🔹 External Connection Options
|
Connection Type |
Details |
|---|---|
|
Supported Connections |
RS232 for local PC connection (EnerVista 745), RS485/RS422 for daisy-chained relays, optional Ethernet |
🔹 Functional Features
|
Feature |
Details |
|---|---|
|
Protection |
Percent differential, overcurrent, frequency, restricted ground fault, overexcitation |
|
Monitoring |
Transformer overload, Total Harmonic Distortion (THD), individual harmonics |
|
Software |
EnerVista 745 for configuration, diagnostics, waveform capture, and remote monitoring |
|
Mounting |
Draw-out style in SR-series case; fits standard 19-inch racks |
🔹 Model and Configuration
|
Category |
Details |
|---|---|
|
Base Model |
745 |
|
Configuration |
W2: 2 windings/phaseP5: 5 A phase CTsG5: 5 A ground CTsHI: High control power input |