Tabla De Contenido - WEG G Serie Manual De Instalación, Operación Y Mantenimiento

1 INTRODUCTION .................................................................................................... 13
1.1 SAFETY WARNINGS IN THE MANUAL .......................................................................................... 13
1.2 NOMENCLATURE ........................................................................................................................ 14
2 GENERAL INSTRUCTIONS .................................................................................... 15
2.1 QUALIFIED PEOPLE ..................................................................................................................... 15
2.2 SAFETY INSTRUCTIONS .............................................................................................................. 15
2.3 STANDARDS ............................................................................................................................... 15
2.4 ENVIRONMENT FEATURES ......................................................................................................... 15
2.4.1 Harsh or marine environment ............................................................................................................ 16
2.5 OPERATING CONDITIONS ........................................................................................................... 16
3 RECEIPT, STORAGE AND HANDLING ................................................................... 17
3.1 RECEIPT ..................................................................................................................................... 17
3.2 HANDLING .................................................................................................................................. 17
3.3 STORAGE ................................................................................................................................... 18
3.3.1 Storage in sheltered environment....................................................................................................... 18
3.3.2 Storage in not sheltered environment ................................................................................................. 18
3.3.3 Longer storage ................................................................................................................................. 18
3.3.3.1 Storage location.................................................................................................................. 18
3.3.3.2 Separate parts .................................................................................................................... 19
3.3.3.3 Space heater ...................................................................................................................... 19
3.3.3.4 Insulation resistance ............................................................................................................ 19
3.3.3.5 Exposed machined surfaces ................................................................................................ 19
3.3.3.6 Bearings............................................................................................................................. 19
3.3.3.7 Terminal box....................................................................................................................... 19
3.3.3.8 Inspection and records during storage.................................................................................. 19
3.3.3.9 Maintenance plan during storage ......................................................................................... 20
3.3.3.10 Preparation for operation start.............................................................................................. 21
4 INSTALLATION ...................................................................................................... 22
4.1 INSTALLATION LOCATION .......................................................................................................... 22
4.2 DIRECTION OF ROTATION ........................................................................................................... 22
4.3 PROTECTION DEGREE ................................................................................................................ 22
4.4 COOLING .................................................................................................................................... 22
4.4.1 Flange protection removing ............................................................................................................... 22
4.5 INSULATION RESISTANCE .......................................................................................................... 23
4.5.1 Safety instructions ............................................................................................................................ 23
4.5.2 General considerations ..................................................................................................................... 23
4.5.3 Measurement of the stator winding .................................................................................................... 23
4.5.4 Measurement in the rotor winding, exciter and accessories ................................................................. 23
4.5.5 Minimum insulation resistance ........................................................................................................... 24
4.5.6 Windings evaluation and preservation ................................................................................................ 24
4.5.7 Conversion of the measured values ................................................................................................... 24
4.6 PROTECTION .............................................................................................................................. 25
4.6.1 Thermal protection ............................................................................................................................. 25
4.6.1.1 Temperature limits for the windings ......................................................................................... 25
4.6.1.2 Thermal protection for the bearings ...................................................................................... 25
4.6.1.3 Temperatures for alarm and shutdown ................................................................................. 25
4.6.2 Space heater ................................................................................................................................... 26
4.6.3 Auxiliary winding protection ............................................................................................................... 26
4.6.4 Diodes protection ............................................................................................................................. 26
4.6.5 Protection against underfrequency..................................................................................................... 26
4.6.6 Maintenance of the short-circuit current ............................................................................................. 26
4.7 VOLTAGE REGULATOR ............................................................................................................... 27
4.8 ELECTRICAL FEATURES.............................................................................................................. 27
10680382 Installation, operation and maintenance manual - Synchronous Alternator - G line - Horizontal
3.3.3.1.1 Storage in sheltered environment ......................................................................... 18
3.3.3.1.2 Storage in not sheltered environment ................................................................... 18
3.3.3.6.1 Shielded bearings (frame up to 315) ..................................................................... 19
3.3.3.6.2 Regreasable bearings (frame 355 and larger) ........................................................ 19
3.3.3.10.1 Cleaning ............................................................................................................. 21
3.3.3.10.2 Lubrication of bearings ........................................................................................ 21
3.3.3.10.3 Verification of insulation resistance ....................................................................... 21
3.3.3.10.4 Others................................................................................................................ 21
INDEX
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