Leroy-Somer LSA 46.2 Installation And Maintenance Manual
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Leroy-Somer LSA 46.2 Installation And Maintenance Manual

4 poles alternators
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3856 en -
2014.03 / j
367
49
124
48
364
371
120
122
177
198
41
466
37
31
1
321
30
15
320
325
322
36
90
91
79
349
70
78
100
347
343
28
4
34
33
323
LSA 46.2 - 4 POLES
ALTERNATORS
Installation and maintenance

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Summary of Contents for Leroy-Somer LSA 46.2

  • Page 1 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS Installation and maintenance...
  • Page 2 © - This document is the property of Moteurs Leroy-Somer, it can not be reproduced in any form without prior written authorization. Moteurs Leroy-Somer reserves the right to Warning symbol for general danger to modify the design, technical specifications personnel.

  • Page 3: Table Of Contents

    Installation and maintenance LEROY-SOMER 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS CONTENTS 1 - RECEIPT ......................4 1.1 - Standards and safety measures ................4 1.2 - Inspection ......................... 4 1.3 - Identification ......................4 1.4 - Storage ........................

  • Page 4: Receipt

    LEROY-SOMER Installation and maintenance 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS 1 - RECEIPT 1.4 - Storage Prior to commissioning, machines should 1.1 - Standards and safety be stored : measures - away from humidity (< 90%); after a long...

  • Page 5: Technical Characteristics

    2.2 - Mechanical characteristics - Steel frame 2.1 - Electrical characteristics - Cast iron end shields The LSA 46.2 alternator is a machine - Protected ball bearings, greased for life without sliprings or revolving armature - Mounting arrangements: brushes, wound as “2/3 pitch”, 6 or 12-...

  • Page 6: Installation

    LEROY-SOMER Installation and maintenance 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS 3 - INSTALLATION • Single-bearing coupling Before coupling the machines, check that Personnel undertaking various they are compatible by: operations indicated in this section must...

  • Page 7: Terminal Connection Diagrams

    Installation and maintenance LEROY-SOMER 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS check that: There are 2 possible methods for restoring - all fixing bolts and screws are tight, the above minimum values. - the cooling air is drawn in freely,...
  • Page 8 LEROY-SOMER Installation and maintenance 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS Connection codes Voltage L.L Factory connection 12 wires 50 Hz 60 Hz Winding 220 - 240 220 - 240 1 phase 240 - 254...
  • Page 9 Installation and maintenance LEROY-SOMER 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS Connection codes Voltage L.L Factory connection 6 wires 50 Hz 60 Hz L1(U) Winding L3(W) 380 - 480 380 - 415 3-phase L2(V) 380 - 416...

  • Page 10: Commissioning

    LEROY-SOMER Installation and maintenance 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS 3.4 - Commissioning • Connection checks Electrical installations must comply with the current legislation in force in the The machine can only be started up and country of use.

  • Page 11: Servicing - Maintenance

    Installation and maintenance LEROY-SOMER 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS 4 - SERVICING - MAINTENANCE WARNING 4.1 - Safety measures Do not use: trichlorethylene, perchlo- Servicing or troubleshooting must be rethylene, trichloroethane or any alkaline carried out strictly in accordance with products.

  • Page 12: Bearings

    LEROY-SOMER Installation and maintenance 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS 4.3 - Bearings The bearings are permanently Approximate life of the grease (depending on use) greased = 20,000 hours or 3 years. As an option, the bearings are...

  • Page 13: Electrical Faults

    Installation and maintenance LEROY-SOMER 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS 4.5 - Electrical faults Fault Action Effect Check/Cause The alternator builds up and its voltage is still correct - Lack of residual magnetism when...
  • Page 14 LEROY-SOMER Installation and maintenance 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS • Checking the winding Assembly A: Connect a 12 V battery in series with a rheostat of approximately You can check the winding insulation by 50 ohms - 300 W and a diode on both exciter performing a high voltage test.

  • Page 15: Dismantling, Reassembly

    Installation and maintenance LEROY-SOMER 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS 4.6 - Dismantling, reassembly • Access to connections and the regulation system WARNING Access directly by removing the top of the During warranty period, this cover (48) or the AVR access door (466).
  • Page 16 LEROY-SOMER Installation and maintenance 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS - Slide the threaded rod into the shield hole - Slide the threaded rod into the shield hole to make it easier to assemble (see basic to make it easier to assemble (see basic diagram).

  • Page 17: Installation & Maintenance Of The Pmg

    (36). the PMG - Refit the shield (36) on the machine using a dowel and nut in the shaft extension (see For the LSA 46.2, the PMG reference is: diagram). PMG 2. - Tighten the 4 shield screws (37).

  • Page 18: Table Of Characteristics

    Stator L/N Rotor armature load 0.022 0.23 0.035 - with exciter with blue/white wires 0.0182 0.24 0.035 LSA 46.2 Auxil wdg: X1, X2 Auxil wdg: Z1, Z2 0.0148 0.264 0.035 0.012 0.295 0.035 50 Hz 70 V 10 V VL12 0.0085...

  • Page 19: Spare Parts

    Installation and maintenance LEROY-SOMER 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS 5 - SPARE PARTS In the event of failure to comply with this advice, the manufacturer cannot be held 5.1 - First maintenance parts responsible for any damage.

  • Page 20: Exploded Views, Parts List And Tightening Torque

    LEROY-SOMER Installation and maintenance 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS 5.4 - Exploded view, parts list and tightening torque • LSA 46.2 single-bearing...
  • Page 21 Installation and maintenance LEROY-SOMER 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS • LSA 46.2 double-bearing...
  • Page 22 LEROY-SOMER Installation and maintenance 3856 en - 2014.03 / j LSA 46.2 - 4 POLES ALTERNATORS Screw Torque Screw Torque Ref. Qty Description Ref. Qty Description Ø Ø Stator assembly Exciter field Rotor assembly Fixing screws Exciter armature Lifting ring...
  • Page 23 Declares hereby that the electric generators of the types LSA 40 - 42.3 - 44.3 - 46.2 - 47.2 - 49.1 - 50.2 - 51.2 - 52.2 - 53 - 53.1 - 54, as well as their derivatives, manufactured by Leroy-Somer or on Leroy Somer's behalf,...
  • Page 24 LEROY-SOMER 16015 ANGOULÊME CEDEX - FRANCE 338 567 258 RCS ANGOULÊME www.leroy-somer.com...

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