Table Of Contents - GE EntelliGuard TU Installation, Operation And Maintenance Manual

Trip unit

Table of Contents

EntelliGuard® TU Trip Unit

SECTION 1 - GENERAL INFORMATION.......................................................................................................................................................... 7

SECTION 2 - LIFTING, MOUNTING AND INSTALLATION .........................................................................................................................16

Courtesy of NationalSwitchgear.com

TABLE OF CONTENTS

INTRODUCTION .............................................................................................................................................................. 7

ABBREVIATIONS AND ACRONYMS........................................................................................................................ 7

PRODUCT DESCRIPTION ............................................................................................................................................ 7

Appearance ................................................................................................................................................... 7

LCD Access..................................................................................................................................................... 7

Electrical Requirements .......................................................................................................................... 8

Equipment Interfaces............................................................................................................................... 8

COMMUNICATIONS ...................................................................................................................................................... 8

Modbus ............................................................................................................................................................ 8

ProfiBus............................................................................................................................................................ 9

OVER CURRENT PROTECTION FUNCTIONS ...................................................................................................... 9

Long Time ....................................................................................................................................................... 9

Short Time ...................................................................................................................................................... 9

Adjustable Selective Instantaneous Protection........................................................................10

Reduced Energy Let-Through Instantaneous Protection (RELT)......................................10

Ground Fault Protection........................................................................................................................11

PROTECTIVE RELAY.....................................................................................................................................................12

Voltage Unbalance Relay.....................................................................................................................12

Current Unbalance Relay .....................................................................................................................12

Under Voltage Relay ...............................................................................................................................12

Under Voltage Relay Zero-Volt Trip Enable ................................................................................12

Over Voltage Relay ..................................................................................................................................12

Power-Reversal Relay ............................................................................................................................12

Power Direction Setup ...........................................................................................................................12

Potential Transformer Primary Voltage........................................................................................12

Potential Transformer Connection..................................................................................................12

Power Demand Intervals......................................................................................................................13

Communication Address ......................................................................................................................13

Bell Alarm - Alarm Only/Bell Alarm with Lock-out Accessory Configuration Setup

(applies to Power Break II and WavePro Trip Units only).....................................................13

Settings Description ................................................................................................................................13

Input ................................................................................................................................................................13

Output.............................................................................................................................................................13

Current Alarm .............................................................................................................................................14

ZONE SELECT INTERLOCK .......................................................................................................................................14

ZSI Option .....................................................................................................................................................14

High Set Instantaneous Protection (HSIOC)................................................................................14

Making Current Release (MCR)...........................................................................................................14

POWER REQUIREMENTS ..........................................................................................................................................15

METERING FUNCTION ...............................................................................................................................................15

TRIP UNIT REMOVAL AND REPLACEMENT ......................................................................................................16

Power Break I and Power Break II Insulated Case Circuit Breakers ..............................16

WavePro Circuit Breakers ....................................................................................................................16

AKR (225 A to 5000 A Frames) Circuit Breakers........................................................................17

EntelliGuard Circuit Breaker Installation ......................................................................................18

09/25/08