Leroy-Somer LSA 46.2 Installation And Maintenance Manual
4 poles alternators
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- Installation and maintenance manual (24 pages)
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Summary of Contents for Leroy-Somer LSA 46.2
- Page 1 3856 en - 06.2007 / d LSA 46.2 - 4 POLES ALTERNATORS Installation and maintenance...
- Page 2 Warning symbol for general danger to personnel. Warning symbol for electrical danger to personnel. Note: LEROY-SOMER reserves the right to modify the Copyright 2005: LEROY-SOMER characteristics of its products at any time in order to This document is the property of: incorporate the latest technological developments.
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Page 3: Table Of Contents
INSTALLATION AND MAINTENANCE LEROY-SOMER 3856 en - 06.2007 / d LSA 46.2 - 4 POLES ALTERNATORS CONTENTS 5 - SPARE PARTS 1 - RECEIPT 5.1 - First maintenance parts ......17 1.1 - Standards and safety measures ....4 5.2 - Technical support service ......17 1.2 - Inspection ............4... -
Page 4: Receipt
The machine name is defined according to various criteria, for - the recommendations of the example: LSA 46.2 M5 C6/4 - International Electrotechnical Commission • LSA: name used in the PARTNER range IEC 34-1, (EN 60034). -
Page 5: Technical Characteristics
2.1 - Electrical characteristics - Steel frame - Cast iron end shields The LSA 46.2 alternator is a machine without sliprings or - Protected ball bearings, greased for life revolving armature brushes, wound as “2/3 pitch”, 6 or - Mounting arrangements:... -
Page 6: Installation
INSTALLATION AND MAINTENANCE LEROY-SOMER 3856 en - 06.2007 / d LSA 46.2 - 4 POLES ALTERNATORS INSTALLATION 3 - INSTALLATION 3.1.3 - Location Ensure that the ambient temperature in the room where the 3.1 - Assembly alternator is placed cannot exceed 40°C for standard power ratings (for temperatures >... -
Page 7: Terminal Connection Diagrams
INSTALLATION AND MAINTENANCE LEROY-SOMER 3856 en - 06.2007 / d LSA 46.2 - 4 POLES ALTERNATORS INSTALLATION 3.3 - Terminal connection diagrams To modify the connection, change the position of the stator cables on the terminals. The winding code is specified on the nameplate. - Page 8 INSTALLATION AND MAINTENANCE LEROY-SOMER 3856 en - 06.2007 / d LSA 46.2 - 4 POLES ALTERNATORS INSTALLATION Connection codes Voltage L.L Factory connection 50 Hz 60 Hz Winding 220 - 240 220 - 240 1 PH L3(W) 250 - 260...
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Page 9: Commissioning
INSTALLATION AND MAINTENANCE LEROY-SOMER 3856 en - 06.2007 / d LSA 46.2 - 4 POLES ALTERNATORS INSTALLATION Current transformer connection (optional) Coupling D & A Coupling D - PH 1 - PH 1 In - Secondary 1A (coupl. D) In - Secondary 1 A... -
Page 10: Servicing - Maintenance
INSTALLATION AND MAINTENANCE LEROY-SOMER 3856 en - 06.2007 / d LSA 46.2 - 4 POLES ALTERNATORS SERVICING - MAINTENANCE 4 - SERVICING - MAINTENANCE 4.2.4 - Electrical servicing Cleaning product for the windings 4.1 - Safety measures WARNING WARNING Do not use: trichlorethylene, perchlorethylene, Servicing or troubleshooting must be carried out trichloroethane or any alkaline products. -
Page 11: Fault Detection
INSTALLATION AND MAINTENANCE LEROY-SOMER 3856 en - 06.2007 / d LSA 46.2 - 4 POLES ALTERNATORS SERVICING - MAINTENANCE 4.3 - Fault detection If, when commissioned, the alternator does not work normally, the source of the malfunction must be identified. -
Page 12: Electrical Faults
INSTALLATION AND MAINTENANCE LEROY-SOMER 3856 en - 06.2007 / d LSA 46.2 - 4 POLES ALTERNATORS SERVICING - MAINTENANCE 4.5 - Electrical faults Fault Action Effect Check/Cause The alternator builds up and its voltage is still correct when the - Lack of residual magnetism battery is removed. - Page 13 INSTALLATION AND MAINTENANCE LEROY-SOMER 3856 en - 06.2007 / d LSA 46.2 - 4 POLES ALTERNATORS SERVICING - MAINTENANCE 4.5.1 - Checking the winding Assembly A: Connect a 12 V battery in series with a rheostat of approximately 50 ohms - 300 W and a diode on both exciter You can check the winding insulation by performing a high field wires (5+) and (6-).
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Page 14: Dismantling, Reassembly
4.6.4 - Access to connections and the regulation system During the warranty period, this operation should only be carried out in an LEROY-SOMER approved Access directly by removing the top of the cover (48) or the workshop or in our factory, otherwise the warranty AVR access door (466). - Page 15 INSTALLATION AND MAINTENANCE LEROY-SOMER 3856 en - 06.2007 / d LSA 46.2 - 4 POLES ALTERNATORS SERVICING - MAINTENANCE 78 36 Threaded rod Dowel Rotor 4.6.8 - Reassembling the machine - Mount the rotor (4) in the stator (1) (see drawing above) taking care not to knock the windings.
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Page 16: Installation And Maintenance Of The Pmg
(for exact values, consult 4.7 - Installation and maintenance of the test report). the PMG 4.8.1 - Average values For the LSA 46.2, the PMG reference is: PMG 2. Resistances at 20°C (Ω) 4.7.1 - Mechanical characteristics LSA 46.2 Stator L/N... -
Page 17: Spare Parts
INSTALLATION AND MAINTENANCE LEROY-SOMER 3856 en - 06.2007 / d LSA 46.2 - 4 POLES ALTERNATORS SPARE PARTS 5 - SPARE PARTS 5.3 - Accessories 5.3.1 - Space heater for use when stopped 5.1 - First maintenance parts The space heater must run as soon as the alternator stops. It Emergency repair kits are available as an option. -
Page 18: Exploded Views, Parts List
INSTALLATION AND MAINTENANCE LEROY-SOMER 3856 en - 06.2007 / d LSA 46.2 - 4 POLES ALTERNATORS SPARE PARTS 5.4 - Exploded view, parts list 5.4.1 - Single-bearing Ref. Description Ref. Description Stator assembly AVR support bracket Rotor assembly Voltage regulator (AVR) - Page 19 INSTALLATION AND MAINTENANCE LEROY-SOMER 3856 en - 06.2007 / d LSA 46.2 - 4 POLES ALTERNATORS SPARE PARTS 5.4.2 - Double-bearing Ref. Description Ref. Description Stator assembly Exciter armature Rotor assembly Terminal plate support Plate support Lifting ring Terminal block...
- Page 20 LEROY-SOMER 16015 ANGOULÊME CEDEX - FRANCE RCS ANGOULÊME N° B 671 820 223 S.A. au capital de 62 779 000 € www.leroy-somer.com...