Leroy-Somer LSA VS 40 Installation And Maintenance Manual Download | Manualshive

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LEROY-SOMER

2011.03 / a

Installation and maintenance

LSA VS 40

ALTERNATORS

4779 en -

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Summary of Contents for LSA VS 40

Page 1: ...2011 04 a 30 343 33 15 4 1 322 324 323 91 79 349 147 70 100 37 28 198 148 142 140 146 145 59 144 42 LSA VS 40 ALTERNATORS Installation and maintenance 4779 en This manual is to be given to the end user ...

Page 2: ...llow anyone to stand in front of the air outlet guards in case anything is ejected from them b Do not allow children younger than 14 to go near the air outlet guards A set of self adhesive stickers depicting the various warning symbols is included with this maintenance manual They should be positioned as shown in the drawing below once the machine has been fully installed WARNING The alternators m...

Page 3: ...aracteristics 5 2 2 Mechanical characteristics 5 3 INSTALLATION 6 3 1 Assembly 6 3 2 Checks prior to first use 7 3 3 Commissioning 8 3 4 Setting up 8 4 SERVICING MAINTENANCE 9 4 1 Safety measures 9 4 2 Routine maintenance 9 4 3 Fault detection 9 4 4 Mechanical faults 10 4 5 Electrical faults 10 4 6 Dismantling reassembly 12 4 7 Characteristics table 14 5 SPARE PARTS 15 5 1 First maintenance parts ...

Page 4: ... SHUNT 44 30 4 Winding number number of poles 1 3 1 Nameplate So that you can identify your machine quickly and accurately we suggest you fill in its specifications on the nameplate below 1 4 Storage Prior to commissioning machines should be stored Away from humidity 90 after a long period of storage check the machine insulation section 3 2 1 To prevent the bearings from becoming marked do not sto...

Page 5: ...otection IP 23 Diodes bridge heat sink fan LEM battery LEMs PT100 Batt Reg Out EXTERNAL R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 U1 U2 U3 V1 V2 V3 W1 W2 W3 Batt v Batt Cap Ah I max A Exciter Exciter field Main field 5 6 STATOR 12V 12V Ib Iu PT PT VOLT 110 OV E E STAB R 220 VSG CCM High Speed Setpoint Utility Engine Speed FUSE 300A not supplied by LS LEM load _ BATTERY LOAD PT 100 Diodes bridge Heat sink Fan...

Page 6: ...ternator Before coupling the alternator and the heat engine check they are compatible by Undertaking a torsional analysis of the transmission Checking the dimensions of the flywheel and its housing the flange coupling discs and offset When coupling the alternator to the prime mover do not use the fan to turn the alternator rotor The holes of the coupling discs should be aligned with the flywheel h...

Page 7: ... housing are correctly in place The standard direction of rotation is clockwise as seen from the shaft end phase rotation in order 1 2 3 For anti clockwise rotation swap 2 and 3 The winding connection corresponds to the site operating voltage see section 3 3 3 2 2 Connection checks Electrical installations must comply with the current legislation in force in the country of use Check that The resid...

Page 8: ...n application of the load the machine should achieve its rated speed and voltage however intheeventofabnormaloperation the machine setting can be altered see section 3 4 If the machine still operates incorrectly the cause of the malfunction must be located see section 4 4 3 4 Setting up The various adjustments during tests must be made by a qualified engineer It isessentialthatthedrivespeedspecifi...

Page 9: ...s which should not exceed 90 C Should this value beexceeded thealternatormustbestopped and checks carried out 4 2 3 Electrical servicing Commercially available volatile degreasing agents can be used Do not use trichlorethylene perchlorethylene trichloroethane or any alkaline products These operations must be performed at a cleaning station equipped with a vacuum system that collects and flushes ou...

Page 10: ...ds up but its voltage does not reach the rated value when the battery is removed Check the connection of the voltage reference to the AVR Faulty diodes Armature short circuit The alternator builds up but its voltage disappears when the battery is removed Faulty AVR Field windings disconnected Revolving field coil open circuit Check the resistance Voltage too low Check the drive speed Correct speed...

Page 11: ...ng the warranty period this operation should only be carried out in an approved workshop or in our factory otherwise the warranty may be invalidated Whilst being handled the machine should remain horizontal rotor not axially secured Check how much the machine weighs see 4 7 before choosing the lifting method 4 6 1 Tools required To fully dismantle the machine we recommend using the tools listed be...

Page 12: ... bundle of wires between the top bars of the shield Replace the fixing clamps on the cables Replace the terminal box lid 48 4 6 5 Replacing the NDE bearing on single bearing machines 4 6 5 1 Dismantling Remove the NDE shield 36 see section 4 6 4 1 Remove the antifriction bearing 70 using a screw puller 4 6 5 2 Reassembly Heat the inner slipring of a new bearing by induction or in a drying oven at ...

Page 13: ...Follow the procedure for reassembling the bearings see section 4 6 6 4 6 8 Accessing checking and replacing the nanophase rectifier 4 6 8 1 Dismantling Remove the inspection and access doors 59 and 42 Remove the cover 144 Remove the cover supports 146 and 147 Cut the fixing clamps on the cables and bundles Disconnect the R220 AVR and the CCM module Remove the 8 screws from the supports 141 and 142...

Page 14: ...within 10 for exact values consult the test report and may be changed without prior notification 4 7 1 Resistance at 20 C Ω LSA 40 L N stator Rotor Exciter field Armature S3 0 06 3 5 12 5 1 4 Field excitation current i exc A 44 1 V 50 Hz i exc excitation current of the exciter field LSA 40 No load 50 Hz At rated load 15 8 kVA 66 7 Hz S3 0 3 2 1 4 7 4 Table of weights values given for information o...

Page 15: ...any additional information you may require When ordering spare parts you should indicate the complete machine type its serial number and the information given on the nameplate Address your enquiry to your usual contact Part numbers should be identified from the exploded views and their description from the parts list Our extensive network of service centres can dispatch the necessary parts without...

Page 16: ... a Installation and maintenance LSA VS 40 ALTERNATORS 4779 en 5 3 Exploded view parts list and tightening torques 30 343 33 15 4 1 322 324 323 91 36 79 349 147 90 53 70 100 37 28 198 148 142 140 143 141 146 145 59 59 144 42 ...

Page 17: ...odule M5 30 1 Shield DE 144 1 Cover M6 3 6 33 1 Air outlet guard M5 4 145 2 Cover seal 36 1 NDE shield 146 1 Right hand cover support M6 37 4 Tie rod M8 20 147 1 Left hand cover support M6 42 1 Cable gland support 148 1 Front cover support 53 1 End shield plug 198 1 Voltage regulator AVR M5 59 2 Inspection door M5 3 6 322 1 Disc coupling 70 1 Non drive end bearing 323 6 Fixing screw M10 66 79 1 Pr...

Page 18: ...18 LEROY SOMER 2011 03 a Installation and maintenance LSA VS 40 ALTERNATORS 4779 en ...

Page 19: ...19 LEROY SOMER 2011 03 a Installation and maintenance LSA VS 40 ALTERNATORS 4779 en ...

Page 20: ...www leroy somer com ...

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