Leroy-Somer LSA 49.1 4P Installation And Maintenance Manual
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Leroy-Somer LSA 49.1 4P Installation And Maintenance Manual

Alternators
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367
254
255
320
15
Hub, turbine
LSA 191 L 11
22
284
33
30
62
49
48
364
177
371
198
59
41
37
31
LSA 49.1 4P
ALTERNATORS
Installation and maintenance
279
278
281
279
28
1
4
282
280
283
277
172
100
347
107
343
18
3007 en - 2010.06 / j
Optional 6-wire terminal box
with connector links
172
270
269
365
91
79
349
70
78
53
281
36
90

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Summary of Contents for Leroy-Somer LSA 49.1 4P

  • Page 1 3007 en - 2010.06 / j Optional 6-wire terminal box with connector links Hub, turbine LSA 191 L 11 LSA 49.1 4P ALTERNATORS Installation and maintenance...
  • Page 2 MOTEURS LEROY-SOMER It may not be reproduced in any form without prior authorization. Note: LEROY-SOMER reserves the right to modify the All brands and models have been registered and patents characteristics of its products at any time in order to incorporate applied for.

  • Page 3: Table Of Contents

    LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS 1 - RECEIPT 4 - SERVICING - MAINTENANCE 1.1 - Standards and safety measures ....4 4.1 - Safety measures .......... 10 1.2 - Inspection ............4 4.2 - Regular maintenance ........

  • Page 4: Receipt

    LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS 1 - RECEIPT 1.4 - Storage Prior to commissioning, alternators should be stored : 1.1 - Standards and safety measures - Away from humidity : in conditions of relative humidity of more than 90%, the alternator insulation can drop very rapidly, to just Our alternators comply with most international standards.

  • Page 5: Technical Characteristics

    LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS 2 - TECHNICAL 2.2 - Mechanical characteristics CHARACTERISTICS - Steel frame - cast iron end shields 2.1 - Electrical characteristics - Greasable ball bearings - Mounting arrangement PARTNER LSA 49.1 alternator is generator without sliprings or...

  • Page 6: Installation

    LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS 3 - INSTALLATION 3.1.2.2 - Two-bearing alternator - Semi-flexible coupling Personnel undertaking the various operations Careful alignment of the alternators is recommended, checking discussed in this section must wear the appropriate...

  • Page 7: Terminal Connection Diagrams

    LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS 3.3 - Terminal connection diagrams 3.2.2 - Mechanical checks Before starting the alternator for the first time, check that : A standard alternator is fitted with 3 phase coppers and 1 - the winding connection corresponds to the site operating neutral connection terminal.
  • Page 8 LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS 3.3.2 - Terminal connection : 12-wire version Connection code Voltage L.L Factory connection 50 Hz 60 Hz Winding L1(U) L3(W) 190 - 240 190 - 208...

  • Page 9: Commissioning

    LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS 3.3.3 - Option connection diagram R 791 T interference suppression kit External voltage potentiometer Connection of the optional current transformer (standard for CE marking) or ext. source 1V (resistance 1.5 KΩ)

  • Page 10: Servicing - Maintenance

    LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS 4 - SERVICING - MAINTENANCE 4.2.4 - Electrical servicing Cleaning product for the windings 4.1 - Safety measures WARNING Do not use : trichlorethylene, perchlorethylene, trichloroethane or any alkaline products.

  • Page 11: Mechanical Defects

    LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS 4.4 - Mechanical defects Fault Possible causes Excessive overheating of one or both - End shields incorrectly aligned (flanges not properly fitted). bearings (temperature > 80°C on the...
  • Page 12 LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS 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-).

  • Page 13: Dismantling, Reassembly

    LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS 4.6 - Dismantling, reassembly - Remove the 6 “H” mounting nuts for the diode bridges on the (see sections support. 5.4.1 & 5.4.2) - Change the fitted caps, respecting the polarity.
  • Page 14 LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS 4.6.7 - Complete dismantling 4.6.9 - Reassembling the rotor - Take out the DE bearing (30) as described in section 4.6.6. On single bearing alternators : - Support the DE rotor (4) with a strap or with a support - Slide the rotor into the stator and position it as shown in fig 24.

  • Page 15: Installation And Maintenance Of The Pmg

    LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS 4.7 - Installation and maintenance of 4.8.2 - Resistance of AREP auxiliary windings the PMG at 20°C (W) For the LSA 49.1, the PMG reference is : PMG 3.

  • Page 16: Spare Parts

    LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS 5 - SPARE PARTS 5.3.2 - Temperature probes with thermistors (PTC) 5.1 - First maintenance parts These are thermistor triplets with a positive temperature coefficient installed in the stator winding (1 per phase). There Emergency repair kits are available as an option.

  • Page 17: Exploded View, Parts List

    LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS 5.4 - Exploded view, parts list 5.4.1 - Single-bearing Optional 6-wire terminal box with connector links Hub, turbine LSA 191 L 11 Ref. Description Ref. Description Ref.
  • Page 18 LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS 5.4.2 - Two-bearing Optional 6-wire terminal box with connector links Hub, turbine LSA 191 L 11 Ref. Description Ref. Description Ref. Description Stator assembly Outer bearing retainer...
  • Page 19 LEROY-SOMER InstallatIon and maIntenance 3007 en - 2010.06 / j LSA 49.1 4P ALTERNATORS Electric Power Generation DECLARATION of COMPLIANCE related to CE marking This Declaration applies to the generators designed to be incorporated into machines complying with the Machine Directive Nr 2006/42/CE dated 17 May 2006.
  • Page 20 MOTEURS LEROY-SOMER 16015 ANGOULÊME CEDEX - FRANCE 338 567 258 RCS ANGOULÊME www.leroy-somer.com...

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