WEG AG10 Serie Manual De Instalación, Operación Y Mantenimiento página 10

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4.6.5.1
4.7 VOLTAGE REGULATOR ................................................................................................................ 27
4.7.1 Maintenance of the short-circuit current ............................................................................. 27
4.8 ELECTRICAL FEATURES .............................................................................................................. 27
4.8.1 Electrical connections ....................................................................................................... 27
4.8.1.1
4.8.1.2
4.8.1.3
4.8.1.4
4.8.2 Main connection diagrams ................................................................................................ 29
4.8.2.1
4.8.2.2
4.8.2.3
4.8.2.4
4.8.3 Accessories connection diagram ....................................................................................... 32
4.8.3.1
4.8.3.2
4.8.3.3
4.8.3.4
4.8.3.5
4.9 MECHANICAL FEATURES............................................................................................................. 33
4.9.1 Bases and foundations ..................................................................................................... 33
4.9.2 Alignment and leveling ...................................................................................................... 33
4.9.2.1
4.9.2.2
4.9.2.3
4.9.3 Coupling .......................................................................................................................... 34
4.9.3.1
4.9.3.2
5 COMMISSIONING ................................................................................................. 36
5.1 PRELIMINARY TEST ..................................................................................................................... 36
5.2 INITIAL OPERATION ..................................................................................................................... 36
5.3 SHUTDOWN................................................................................................................................. 37
5.4 ALTERNATORS IN PARALLEL ....................................................................................................... 37
5.4.1 With each other and / or with the network .......................................................................... 37
6 MAINTENANCE ..................................................................................................... 38
6.1 EMERGENCY GENERATOR SETS ................................................................................................. 38
6.2 CLEANING ................................................................................................................................... 38
6.3 NOISE .......................................................................................................................................... 38
6.4 VIBRATION ................................................................................................................................... 38
6.4.1 Vibration measuring .......................................................................................................... 38
6.5 BEARINGS ................................................................................................................................... 38
6.5.1 Lubrication ....................................................................................................................... 38
6.5.2 Type and amount of grease............................................................................................... 38
6.5.3 Instructions for lubrication ................................................................................................. 39
6.5.4 Procedures for relubrication of bearings ............................................................................. 39
6.5.5 Exchange of bearings ....................................................................................................... 39
6.5.5.1
6.5.5.2
6.5.5.3
6.6 MAINTENANCE OF THE EXCITER ................................................................................................. 40
6.6.1 Exciter .............................................................................................................................. 40
6.6.2 Test on the diodes ............................................................................................................ 40
6.6.3 Replacement of the diodes................................................................................................ 40
6.6.4 Test on varistor ................................................................................................................. 41
6.6.5 Replacement of the varistor ............................................................................................... 41
6.6.6 Test on the capacitor ........................................................................................................ 41
6.6.7 Replacement of the capacitor ............................................................................................ 41
10 l Installation, operation and maintenance manual - Synchronous Alternator - AG10 line - Horizontal
Protection against underfrequency .................................................................................. 27
Main connection ............................................................................................................ 27
4.8.1.1.1 Cables connection ...................................................................................... 28
Grounding ..................................................................................................................... 28
Electronic voltage regulator............................................................................................. 28
Terminal identification ..................................................................................................... 28
Three-phase alternators - Multi-voltage ........................................................................... 29
Three-phase alternators - Single voltage ......................................................................... 30
Three-phase alternators with single-phase connection ...................................................... 31
Electrical connections of the voltage regulator .................................................................. 31
Stator thermostats ......................................................................................................... 32
Bearing thermostats ....................................................................................................... 32
Stator thermoresistances................................................................................................ 32
Bearing thermoresistances ............................................................................................. 32
Space heaters ............................................................................................................... 32
Alternators with double bearing (B35T or B3T) ................................................................. 33
Alternators with single bearing (B15T) .............................................................................. 33
Rotor turning ................................................................................................................. 34
Alternators with double bearing (B35T/ B3T) ................................................................... 34
4.9.3.1.1 Direct coupling ........................................................................................... 34
4.9.3.1.2 Coupling by pulleys and belts ...................................................................... 34
Alternator with single bearing (B15T) ............................................................................... 34
4.9.3.2.1 "G" dimension ............................................................................................ 34
4.9.3.2.2 Change of G dimension .............................................................................. 35
Alternator with single bearing - B15T ............................................................................... 39
Alternator with double bearing - B35T ............................................................................. 40
Bearing replacement ...................................................................................................... 40
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