GE Multilin
745 Transformer Management Relay
iii
TABLE OF CONTENTS
1. PRODUCT OVERVIEW
1.1 INTRODUCTION
1.1.1
DESCRIPTION................................................................................................... 1-1
1.1.2
PROTECTION FEATURES SUMMARY ............................................................ 1-1
1.1.3
ORDER CODES ................................................................................................ 1-3
1.2 SPECIFICATIONS
1.2.1
APPLICABILITY ................................................................................................. 1-4
1.2.2
INPUTS .............................................................................................................. 1-4
1.2.3
PROTECTION ELEMENTS ............................................................................... 1-5
1.2.4
OUTPUTS .......................................................................................................... 1-7
1.2.5
MISCELLANEOUS............................................................................................. 1-7
2. GETTING STARTED
2.1 USING THE FRONT PANEL DISPLAY
2.1.1
MANEUVERING ................................................................................................ 2-1
2.1.2
CHANGING SETPOINTS .................................................................................. 2-2
2.2 SECURITY
2.2.1
INSTALLATION.................................................................................................. 2-5
2.2.2
CHANGING THE PASSCODE........................................................................... 2-5
2.2.3
DISABLING AND ENABLING PASSCODE SECURITY .................................... 2-6
3. INSTALLATION
3.1 DRAWOUT CASE
3.1.1
CASE DESCRIPTION........................................................................................ 3-1
3.1.2
PANEL CUTOUT ............................................................................................... 3-1
3.1.3
CASE MOUNTING............................................................................................. 3-2
3.1.4
UNIT WITHDRAWAL AND INSERTION ............................................................ 3-2
3.2 TYPICAL WIRING
3.2.1
DESCRIPTION................................................................................................... 3-4
3.2.2
REAR TERMINAL LAYOUT............................................................................... 3-4
3.2.3
WIRING DIAGRAMS.......................................................................................... 3-6
3.2.4
PHASE SEQUENCE AND TRANSFORMER POLARITY.................................. 3-8
3.2.5
AC CURRENT TRANSFORMER INPUTS......................................................... 3-8
3.2.6
AC VOLTAGE INPUT ........................................................................................ 3-9
3.2.7
LOGIC INPUTS.................................................................................................. 3-9
3.2.8
CONTROL POWER ......................................................................................... 3-10
3.2.9
ANALOG INPUT .............................................................................................. 3-10
3.2.10 TAP POSITION INPUT .................................................................................... 3-10
3.2.11 RTD DRIVER/SENSOR ................................................................................... 3-11
3.2.12 OUTPUT RELAYS ........................................................................................... 3-11
3.2.13 SOLID STATE TRIP OUTPUT......................................................................... 3-11
3.2.14 ANALOG OUTPUTS ........................................................................................ 3-11
3.2.15 RS485 / RS422 COMMUNICATIONS.............................................................. 3-12
3.2.16 RS232 FRONT PANEL PROGRAM PORT ..................................................... 3-13
3.2.17 IRIG-B .............................................................................................................. 3-14
3.2.18 DIELECTRIC STRENGTH TESTING .............................................................. 3-14
4. HUMAN INTERFACES
4.1 HARDWARE INTERFACE
4.1.1
FRONT PANEL .................................................................................................. 4-1
4.1.2
DISPLAY ............................................................................................................ 4-1
4.1.3
LEDS.................................................................................................................. 4-2
4.1.4
LED INDICATORS ............................................................................................. 4-2
4.1.5
PROGRAM PORT.............................................................................................. 4-3
4.1.6
KEYPAD............................................................................................................. 4-3
4.2 745PC SOFTWARE INTERFACE
4.2.1
OVERVIEW........................................................................................................ 4-5
4.2.2
REQUIREMENTS .............................................................................................. 4-5
4.2.3
TOOLBAR AND MENUS ................................................................................... 4-5
4.2.4
HARDWARE CONFIGURATION ....................................................................... 4-6
Table of Contents
Содержание TRANSFORMER MANAGEMENT RELAY 745
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