About the 745-W2-P5-G5-HI-A-R
The 745-W2-P5-G5-HI-A-R is from the General Electric 745 Transformer Protection System series. This series is part of the Multilin family that General Electric manufactured. The 745-W2-P5-G5-HI-A-R can be used with small, medium, and larger power transformers given its high functionality.
There are multiple protective features that come standard with the 745 relays. Some of these are:
- Overcurrent
- Overfrequency
- Overexcitation
- Percent differential
The 745-W2-P5-G5-HI-A-R also has a monitoring system for individual harmonics and total harmonic distortion. The 745-W2-P5-G5-HI-A-R is equipped with multiple setpoint groups that can allow for users to select up to four groups of settings to look at protection requirements for different power system configurations.
The 745-W2-P5-G5-HI-A-R has a control power rating of 90 to 300 VDC, or 70 to 265 VAC at 48 to 62 Hz. The 745-W2-P5-G5-HI-A-R also has two additional enhancements to its setup. These are analog inputs/outputs and loss of life protection.