Leroy-Somer LSA 47.2 Installation And Maintenance Manual Download Page 1 | Manualshive

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This

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o be

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LSA 47.2 - 4 POLES

ALTERNATORS

343

100

347

78

349

70

1

28

Installation and maintenance

3742 en - 06.2007 / d

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Summary of Contents for LSA 47.2

Page 1: ...This manual is to be given to the end user LSA 47 2 4 POLES ALTERNATORS 343 100 347 78 349 70 1 28 Installation and maintenance 3742 en 06 2007 d...

Page 2: ...ls used Warning symbol for an operation capable of damaging or destroying the machine or surrounding equipment Warning symbol for general danger to personnel Warning symbol for electrical danger to pe...

Page 3: ...ALLATION 3 1 Assembly 6 3 2 Checks prior to first use 6 3 3 Terminal connection diagrams 7 3 4 Commissioning 9 4 SERVICING MAINTENANCE 4 1 Safety measures 10 4 2 Routine maintenance 10 4 3 Fault detec...

Page 4: ...ication The alternator is identified by means of a nameplate fixed on the machine see drawing Make sure that the nameplate on the machine conforms to your order The machine name is defined according t...

Page 5: ...l characteristics The LSA 47 2 alternator is a machine without sliprings or revolving armature brushes wound as 2 3 pitch 6 or 12 wire with class H insulation and a field excitation system available i...

Page 6: ...cycling of hot air from the machine or engine but also exhaust fumes 3 2 Checks prior to first use 3 2 1 Electrical checks Under no circumstances should an alternator new or otherwise be operated if t...

Page 7: ...3 W L2 V D F L1 U M L3 W T1 T7 T12 T10 T4 T9 T3 T6 T11 T5 T2 T8 L2 V Voltage LM 1 2 voltage LL R 250 voltage sensing 0 T8 110 V T11 R 448 voltage sensing 0 T3 220 V T2 Winding 60 Hz 50 Hz 380 415 380...

Page 8: ...50 Hz R 448 voltage sensing 0 T3 220 V T2 9S 600 220 240 220 240 220 277 240 254 6S 7S 8S Winding 9 R 448 voltage sensing transformer Diagram on request NDE L1 U L2 V L3 W T4 T6 T5 T1 T2 T3 N L1 U L2...

Page 9: ...ed with the busbar separating the terminals as shown in the terminal connection diagram 3 4 Commissioning The machine can only be started up and used if the installation is in accordance with the regu...

Page 10: ...ceed 50 C above the ambient temperature Should this value be exceeded the machine must be stopped and checks carried out 4 2 4 Electrical servicing Cleaning product for the windings Do not use trichlo...

Page 11: ...on Effect Check Cause No voltage at no load on start up Connect a new battery of 4 to 12 volts to terminals E and E respecting the polarity for 2 to 3 seconds The alternator builds up and its voltage...

Page 12: ...ect a 12 V battery in series with a rheostat of approximately 50 ohms 300 W and a diode on both exciter field wires 5 and 6 Assembly B Connect a Variac variable power supply and a diode bridge on both...

Page 13: ...lid of the protective cover 48 and the side panels 366 and 367 Remove the hook 21 and the cover rear panel 365 Replace the hook 21 in order to manipulate the flange Disconnect the exciter wires 5 6 I...

Page 14: ...must be rebalanced 4 6 8 Reassembling the machine Mount the rotor 4 in the stator 1 see drawing above taking care not to knock the windings If using a single bearing or double bearing machine with the...

Page 15: ...he alternator shaft extension tapped hole to a torque of 30 Nm 4 Mount the magnetised rotor on the shaft adapter then using 2 M10 threaded rods screwed into the rotor slide the assembly onto the tie r...

Page 16: ...i exc A Symbols i exc excitation current of the exciter field For 60 Hz machines the i exc values are approximately 5 to 10 lower 4 8 2 Voltage of auxiliary windings at no load LSA 47 2 L N stator Ro...

Page 17: ...standard power is 250W with 220V or 250W with 110V on request Warning the power supply is present when the machine has stopped 5 3 2 Temperature sensors with thermistors PTC These are thermistor trip...

Page 18: ...er end shield 294 2 Fixing screws 37 5 Fixing screws 295 1 Tie rod 41 1 Cover front panel 296 1 Cable gland washer nut 48 1 Cover top panel 297 1 End plate 49 Cover screws 322 3 Coupling disc 51 1 Air...

Page 19: ...rews 292 1 Magnetic rotor 36 1 Exciter end shield 293 1 Stator 37 5 Fixing screws 294 2 Fixing screws 41 1 Cover front panel 295 1 Tie rod 48 1 Cover top panel 296 1 Cable gland washer nut 49 Cover sc...

Page 20: ...LEROY SOMER 16015 ANGOUL ME CEDEX FRANCE 338 567 258 RCS ANGOUL ME S A au capital de 62 779 000 www leroy somer com...

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