GE Multilin 745

745
Transformer Management Relay
http://www.GEindustrial.com/multilin
iii
GE Multilin
Table of Contents
GETTING STARTED Important Procedures
Cautions and Warnings ...................................................................................................................... 1-1
Inspection Checklist ............................................................................................................................ 1-1
Manual Organization .......................................................................................................................... 1-2
Using the Relay
Menu Navigation ................................................................................................................................ 1-2
Panel Keying Example........................................................................................................................ 1-4
Changing Setpoints
Introduction ......................................................................................................................................... 1-5
Using the HELP Key ............................................................................................................................ 1-5
Numerical Setpoints ........................................................................................................................... 1-5
Enumeration Setpoints....................................................................................................................... 1-5
Text Setpoints ..................................................................................................................................... 1-6
Security
Installation ........................................................................................................................................... 1-7
Changing the Passcode ...................................................................................................................... 1-7
Disabling and Enabling Passcode Security ...................................................................................... 1-8
OVERVIEW Introduction
Description .......................................................................................................................................... 2-1
Protection Features............................................................................................................................. 2-2
Order Codes ........................................................................................................................................ 2-3
Specifications
Applicability......................................................................................................................................... 2-4
Inputs ................................................................................................................................................... 2-4
Protection Elements............................................................................................................................ 2-5
Outputs ................................................................................................................................................ 2-6
Miscellaneous ..................................................................................................................................... 2-7
INSTALLATION Drawout Case
Case Description ................................................................................................................................. 3-1
Panel Cutout........................................................................................................................................ 3-1
Case Mounting .................................................................................................................................... 3-2
Unit Withdrawal and Insertion........................................................................................................... 3-3
Typical Wiring
Description .......................................................................................................................................... 3-5