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GE Multilin 750

GE Multilin 750
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750/760
Feeder Management Relay
QUICK REFERENCE GUIDE
Software Revision: 7.0x
Manual P/N: 1601-0131-A6
Manual Order Code: GEK-106477E
Copyright © 2006 GE Multilin
GE Multilin
215 Anderson Avenue, Markham, Ontario
Canada L6E 1B3
Tel: (905) 294-6222 Fax: (905) 201-2098
Internet: http://www.GEmultilin.com
ISO9001:2000
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GE Multilin's Quality Management
System is registered to
ISO9001:2000
QMI # 005094
UL # A3775
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GE Multilin 750 Specifications

General IconGeneral
TypeFeeder Protection Relay
Frequency50/60 Hz
Mounting TypePanel Mount
EnclosureIP54
Communication ProtocolsDNP3, Modbus, IEC 61850
Protection FunctionsOvercurrent
DisplayLCD
Current RatingUp to 5A continuous

Summary

Overview

Introduction

Basic overview of the guide's purpose and content.

Description

Describes the relay's function and capabilities.

Protection and control function summary

Lists protection/control functions with ANSI codes.

Mechanical Installation

Monitoring and control function summary

Lists monitoring/control functions.

Drawout case

Describes the physical casing of the relay.

Mounting

Details how to mount the relay unit in a panel.

Unit withdrawal and insertion

Explains how to remove and insert the relay unit.

Ethernet connection

Describes Ethernet connection for the relay.

Electrical Installation

Ratings and polarities

Discusses voltage and ground connection requirements.

Accessing Setpoints via the Front Panel

Logic inputs

Explains how to connect logic inputs to the relay.

Analog inputs and outputs

Describes analog input/output connections.

Typical Application Setup

System setpoints

Details initial system configuration setpoints.

Logic input setpoints

Configuration of logic input parameters.

Protection setpoints

Configuration of protection element settings.

EnerVista 750760 Setup Software Interface

Overview

Introduces the setup software.

Hardware

Discusses communication hardware for the software.

Connecting EnerVista 750760 Setup to the Relay

Configuring Serial Communications

Steps to set up serial communication.

Using the Quick Connect feature

Describes the quick connection method.

Configuring Ethernet communications

Steps for Ethernet setup.

Connecting to the relay

Finalizing relay connection via software.

Working with Setpoints and Setpoint Files

Engaging a device

Establishing communication with the relay.

Entering setpoints

How to input settings into the relay.

File support

Managing setpoint files.

Downloading and saving setpoints files

Procedure to save settings to a file.

Adding setpoints files to the environment

Incorporating existing files into the software.

Creating a new setpoint file

Procedure to create new configuration files.

Upgrading setpoint files to a new revision

Updating setpoint files for firmware compatibility.

Printing setpoints and actual values

How to print configuration and real-time data.

Upgrading Relay Firmware

Loading setpoints from a file

Restoring settings after firmware upgrade.

Saving setpoints to a file

Essential step before firmware upgrade.

Loading new firmware

Procedure for installing new firmware.

Advanced EnerVista 750760 Setup Features

Triggered events

Viewing data from specific events.

Event Recorder

Captures and logs system events.

Oscillography

Displays waveform traces and digital states.

Waveform capture (trace memory)

Capturing and analyzing transient events.

Data logger

Samples and records system values.

Event recorder

Viewing and analyzing recorded events.

Modbus user map

Programming the relay's Modbus addresses.

Viewing actual values

Monitoring real-time relay data.

Application Example

Description

Overview of a typical relay application.

Power system data

Specifies power system characteristics for the example.

Control system requirements

Defines control system needs for the example.

Instrument transformer data

Details CT and VT specifications for the example.

Phase protection settings

Configuration for phase overcurrent protection.

Neutral protection settings

Configuration for neutral overcurrent protection.

S2 System setpoints

Setting system characteristics.

S3 Logic Inputs setpoints

Configuration of logic input parameters.

S5 Protection setpoints

Configuration of protection elements.

Other Settings

Description

Introduces additional settings beyond basic setup.

Undervoltage protection

Configuring undervoltage protection settings.

Auxiliary relays

Configuration of auxiliary relay outputs.

Changing setpoint groups

Managing different sets of protection parameters.

Technical Support

Technical Support

Contact information for product support.

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