Table of Contents
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TABLE OF CONTENTS
6.3.4
VOLTAGES ......................................................................................................6-10
6.3.5
FREQUENCY ...................................................................................................6-10
6.3.6
IEC 61580 GOOSE ANALOG VALUES ...........................................................6-11
6.4.1
USER-PROGRAMMABLE FAULT REPORTS .................................................6-12
6.4.2
EVENT RECORDS ...........................................................................................6-12
6.4.3
OSCILLOGRAPHY ...........................................................................................6-12
6.5.1
MODEL INFORMATION ...................................................................................6-13
6.5.2
FIRMWARE REVISIONS..................................................................................6-13
7.1.1
COMMANDS MENU ...........................................................................................7-1
7.1.2
VIRTUAL INPUTS ..............................................................................................7-1
7.1.3
CLEAR RECORDS .............................................................................................7-2
7.1.4
SET DATE AND TIME ........................................................................................7-2
7.1.5
RELAY MAINTENANCE .....................................................................................7-3
7.1.6
SECURITY..........................................................................................................7-3
7.2 TARGETS
7.2.1
TARGETS MENU ...............................................................................................7-5
7.2.2
TARGET MESSAGES ........................................................................................7-5
7.2.3
RELAY SELF-TESTS .........................................................................................7-5
8.1.1
OVERVIEW ........................................................................................................8-1
8.1.2
ENABLING THE SECURITY MANAGEMENT SYSTEM....................................8-1
8.1.3
ADDING A NEW USER ......................................................................................8-1
8.1.4
MODIFYING USER PRIVILEGES ......................................................................8-2
8.2.1
OVERVIEW ........................................................................................................8-4
8.2.2
SECURITY MENU ..............................................................................................8-6
9.1.1
BUS DIFFERENTIAL PROTECTION .................................................................9-1
9.2 DYNAMIC BUS REPLICA
9.2.1
DYNAMIC BUS REPLICA MECHANISM............................................................9-2
9.2.2
CT RATIO MATCHING .......................................................................................9-2
9.3.1
BIASED DIFFERENTIAL CHARACTERISTIC....................................................9-3
9.3.2
DIFFERENTIAL AND RESTRAINING CURRENTS ...........................................9-4
9.3.3
ENHANCED SECURITY ....................................................................................9-5
9.4.1
CURRENT DIRECTIONAL PROTECTION.........................................................9-6
9.5.1
CT SATURATION DETECTION .........................................................................9-7
9.6.1
OUTPUT LOGIC .................................................................................................9-8
9.6.2
INTERNAL AND EXTERNAL FAULT EXAMPLE ...............................................9-8
10.1.1
INTRODUCTION ..............................................................................................10-1
B90 Low Impedance Bus Differential System
GE Multilin
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