Table Of Contents - GE MLJ1000 Manual

1. DESCRIPTION .................................................................................................................... 4
2. APPLICATION .................................................................................................................... 5
2.1 DESIGN CHARACTERISTICS .......................................................................................... 5
2.2 APPLICATIONS .................................................................................................................. 7
3. OPERATION PRINCIPLES............................................................................................. 11
3.1 CONFIGURATION UNIT ................................................................................................. 11
3.1.1 GENERAL Settings....................................................................................................... 11
3.2 SYNCHRONISM CHECK UNIT ...................................................................................... 11
3.2.1 Mode of Operation ....................................................................................................... 12
3.2.2 Settings ......................................................................................................................... 13
3.2.3 Failure of Closure Conditions ..................................................................................... 13
3.3 UNDERVOLTAGE UNIT ................................................................................................. 14
3.3.1 Mode of Operation ....................................................................................................... 14
3.3.2 Settings ......................................................................................................................... 14
3.4 INPUT UNITS.................................................................................................................... 15
3.5 SELF-CHECK UNIT.......................................................................................................... 15
3.5.1 Mode of Operation ....................................................................................................... 15
3.6 OUTPUT UNITS................................................................................................................ 16
3.6.1 Mode of Operation ....................................................................................................... 16
3.6.2 Settings ......................................................................................................................... 16
3.7 POWER SUPPLY .............................................................................................................. 17
4. TECHNICAL CHARACTERISTICS .............................................................................. 18
4.1 MODEL LIST..................................................................................................................... 18
4.2 TECHNICAL CHARACTERISTICS ................................................................................ 18
4.3 INSULATION .................................................................................................................... 19
4.4 TYPE TESTS ..................................................................................................................... 20
5. DESCRIPTION OF HARDWARE................................................................................... 21
5.1 CASE .................................................................................................................................. 21
5.2 INTERNAL CONNECTIONS ........................................................................................... 21
5.3 IDENTIFICATION............................................................................................................. 21
5.4 MLJ FRONT DEVICES..................................................................................................... 21
6. OPERATION OF MLJ (KEYPAD AND DISPLAY) ..................................................... 23
6.1 READOUT SEQUENCE ................................................................................................... 24
6.1.1 F0: State of relay, error codes ..................................................................................... 25
6.1.2 F1, F2: VL, VB, Voltage in line and buses................................................................... 25
6.1.3 F3: ∆ V Voltage difference module ................................................................................ 25
GEK - 105560

TABLE OF CONTENTS

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