Nidec Leroy-Somer TAL 047 User Manual Download

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TAL 047

Low Voltage Alternator - 4 pole

Installation and maintenance

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Summary of Contents for Leroy-Somer TAL 047

Page 1: ...TAL 047 Low Voltage Alternator 4 pole Installation and maintenance ...

Page 2: ...tion to the following 2 safety measures which must be complied with a During operation do not allow 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 Aset of self adhesive stickers depicting the various warning symbols is included with this maintenance manual They should be positioned as ...

Page 3: ...9 3 2 Checks prior to first use 9 3 3 Terminal connection diagrams 10 3 4 Commissioning 13 3 5 Setting up 13 4 SERVICING MAINTENANCE 14 4 1 Safety measures 14 4 2 Routine maintenance 14 4 3 Bearings 15 4 4 Mechanical defects 15 4 5 Electrical faults 16 4 6 Dismantling reassembly 18 4 7 Installation maintenance of the PMG 20 4 8 Table of characteristics 20 5 SPARE PARTS 21 5 1 First maintenance par...

Page 4: ...he transporter you may be able to claim on their insurance and after a visual check turn the machine by hand to detect any malfunction 1 3 Identification 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 So that you can identify your alternator quickly and accurately we suggest you fill in its sp...

Page 5: ...echanical characteristics Steel frame Cast iron end shields Protected ball bearings greased for life Mounting arrangements single bearing withstandardfeetandSAEflanges coupling discs Drip proof machine self cooled Degree of protection IP 23 SHUNT three phase 6 wire 2K 2 5K 1W R2 Droop 50 Hz V AC S UF SL UF OE 60 Hz 50 60 Hz LINK R1 A1 A2 Q2 Q1 F2 F1 N FUSE W V ST1 ST2 T1 U1 T4 U2 T3 W1 T6 W2 T2 V1...

Page 6: ...3 PH D T11 T2 T3 A T1 T2 T3 F T1 T2 T3 2K 2 5K 1W R2 Droop 50 Hz V AC S UF SL UF OE 60 Hz 50 60 Hz LINK R1 A1 A2 Q2 Q1 F2 F1 N FUSE W V ST1 ST2 R150 EXCITER MAIN FIELD Armature Varistor Rotating rectifiers STATOR 12 wire T1 to T12 identification Exciter field red black yellow green blue Consult R150 manual ref 5384 option Option R1 R2 External remote voltage trimmer remove ST1 ...

Page 7: ...ers Varistor STATOR 12 wire T1 to T12 identification black yellow green red Auxiliary windings Deexcitation Auxiliary windings CONTACTS NOT SUPPLIED OPEN E01 Green Black Consult manual ref 5599 Detection according to voltage V W for high voltage 380 480V L1 L2 for low voltage 190 240V red red or black or blue red or white OPTION External remote voltage trimmer remove ST For anti clockwise rotation...

Page 8: ...field Rotating rectifiers Varistor STATOR 12 wire T1 to T12 identification Deexcitation Auxiliary windings CONTACTS NOT SUPPLIED OPEN E01 Green Black Consult manual ref 5599 Detection according to voltage V W for high voltage 380 480V L1 L2 for low voltage 190 240V red red or black or blue red or white OPTION External remote voltage trimmer remove ST For anti clockwise rotation CT TI04 TI04 In 2 1...

Page 9: ...lifting system which respects the integrity and the environment of the machine During this operation do not allow anyone to stand under the load Double bearing coupling Semi flexible coupling Careful alignment of the machines is recommended checking that the lack of concentricity and parallelism of both parts of the coupling do not exceed 0 1 mm This alternator has been balanced with a 1 2 key Loc...

Page 10: ... defined environmental conditions Mechanical checks Before starting the machine for the first time check that all fixing bolts are tight the length of bolt and the tightening torque are correct the cooling air is drawn in freely the protective grille and housing are cor rectly in place the standard direction of rotation is clock wise as seen from the drive end phase rotation in order 1 2 3 For ant...

Page 11: ...s Factory connection AREP or PMG three phase 6 wire R180 380V U 480V V T2 W T3 R180 220V U 240V L1 T2 L2 T3 T3 T2 T1 N T4 T5 T6 T3 T2 T1 T4 T5 T6 W 3 L3 V 2 L2 U 1 L1 U 1 L1 V 2 L2 W 3 L3 6 S 8 S 60 Hz 50 Hz 220 240 220 240 220 240 6 S 8 S 60 Hz 50 Hz 380 415 380 480 380 416 F 1PH 3PH T1 T4 T3 T6 T5 T2 L1 U L3 W L2 V D 3PH L1 U L3 W L L T1 T4 T3 T6 T5 T2 L2 V or Connection codes Voltage Detection ...

Page 12: ... T4 T9 T3 T6 T11 T5 T2 T8 L2 V A 3PH 60 Hz 50 Hz 190 208 190 240 190 208 6 8 1PH 3PH R180 190V U 240V L1 T2 L2 T3 R180 380V U 480V V T2 W T3 R180 220V U 240V L1 T2 L2 T3 L L R150 N T1 V T2 W T3 R150 N T11 V T2 W T3 R150 N T1 V T2 W T3 or Connection codes Voltage Detection Factory connection Voltage LM 1 2 voltage LL Winding In case of reconnection ensure that AVR voltage detection is correct We ca...

Page 13: ... terminal box is connected to the electrical earth circuit The earth terminal is connected to the frame The connections inside the terminal box must never be subjected to stress due to cables connected by the user Diameter M6 M8 M10 M12 Torque 4 Nm 10 Nm 20 Nm 35 Nm Tolerance 15 3 4 Commissioning The machine can only be started up and used if the installation is in accordance with the regulations ...

Page 14: ...s electrical connections in the installation Electrical servicing Commercially available volatile degreasing agents can be used Do not use trichlorethylene perchlo rethylene trichloroethaneoranyalkaline products These operations must be performed at a cleaning station equipped with a vacuum system that collects and flushes out the products used The insulating components and the impregnation system...

Page 15: ...nator frame more than 40 C above the ambient temperature Air flow inlet outlet partially clogged or hot air is being recycled from the alternator or engine Alternator operating at too high a voltage 105 of Un on load Alternator overloaded Vibrations Too much vibration Misalignment coupling Defective mounting or play in coupling Rotor balancing fault Engine Alternator Excessive vibration and hummin...

Page 16: ...ings short circuited Rotating diodes burnt out Revolving field coil short circuited check the resistance Speed too low Increase the drive speed do not touch theAVR voltage pot before running at the correct speed Voltage too high AdjustAVR voltage potentiometer Adjustment ineffective FaultyAVR Voltage oscillations Adjust the AVR stability potentiometer Check the speed possibility of cyclic irregula...

Page 17: ...tery Rh 50 300W ASSEMBLY A Field Assembly B Connect a Variac variable power supply and a diode bridge on both exciter field wires 5 and 6 Both these systems should have characteristics which are compatible with the field excitation power of the machine see the nameplate 3 Run the unit at its rated speed 4 Gradually increase the exciter field current by adjusting the rheostat or the variac and meas...

Page 18: ...sor 347 Remove the H nuts for mounting the diode bridges on the support Change the crescents respecting the polarity Access to connections and the regulation system Access directly by removing the top of the terminal box lid 48 Replacing the NDE bearing on single bearing machines Remove the air intake grille 51 Remove the the terminal box lid 48 and the side panel 366 Remove the hook 21 and the co...

Page 19: ...ecial V blocks When dismantling the rotor involves changing parts or rewinding the rotor must be rebalanced Reassembling the machine Mount the rotor 4 in the stator 1 see drawing above taking care not to knock the windings Mount the new preloading wavy washer 79 the new O ring seal 349 in the shield 36 Screw a threaded rod into the thrust bearing 78 Refit the shield 36 on the machine using a dowel...

Page 20: ... load with separate field excitation All values are given to within 10 and may be changed without prior notification for exact values consult the test report Three phase 4 pole SHUNT AREP excitation Resistances at 20 C Ω Type Stator L N Rotor Exciter field Exciter armature A 0 0080 0 455 10 64 0 071 B C 0 0062 0 521 10 64 0 071 D 0 0044 0 579 10 64 0 071 E 0 0046 0 604 10 64 0 071 F 0 0035 0 645 1...

Page 21: ...ent when the machine has stopped Connection accessories 6 wire machines coupling F 12 wire machines coupling A F F F 5 2 Technical support service Our technical support service will be pleased to provide any additional information you may require For all spare parts orders or technical support requests send your request to service epg leroy somer com or your nearest contact whom you will find at w...

Page 22: ...2021 04 l Electric Power Generation 22 Installation and maintenance TAL 047 Low Voltage Alternator 4 pole 5378 en 5 4 Exploded view parts list and tightening torque Single bearing ...

Page 23: ...busbar M12 35 30 1 Drive end DE shield M12 69 130 1 Neutral busbar M12 35 33 1 Air outlet grille M6 8 3 134 1 Panel fixing M6 10 36 1 Non drive end NDE shield M12 69 198 1 Voltage regulator AVR M5 4 41 1 Terminal box front panel M6 8 3 322 3 Coupling disc M16 170 48 1 Terminal box lid M6 8 3 325 Spacer shim 51 1 Air intake grille 343 1 Diode bridge assembly M6 4 53 1 Sealing cap 347 1 Surge suppre...

Page 24: ...Waste hazardous materials The following components and materials require special treatment and must be separated from the alternator before the recycling process electronic materials found in the terminal box including the automatic voltage regulator 198 current transformers 176 interference suppression module and other semi conductors diode bridge 343 and surge suppressor 347 found on the alterna...

Page 25: ...3 2 LSA 54 LSA 54 2 TAL 040 TAL 042 TAL 044 TAL 046 TAL 047 TAL 0473 TAL 049 LSAH 42 3 LSAH 44 3 as well as their derivatives manufactured by Leroy Somer or on Leroy Somer s behalf comply with the following International Standards and Directive EN and IEC 60034 1 60034 5 and 60034 22 ISO 8528 3 Reciprocating internal combustion engine driven alternating current generating sets Part 3 Alternating c...

Page 26: ...2021 04 l Electric Power Generation 26 Installation and maintenance TAL 047 Low Voltage Alternator 4 pole 5378 en ...

Page 27: ...cient repair support and maintenance services Trust your alternator maintenance and support to electric power generation experts Our field personnel are 100 qualified and fully trained to operate in all environments and on all machine types We have a deep understanding of alternator operation providing the best value service to optimise your cost of ownership Where we can help Contact us Americas ...

Page 28: ... 2021 04 l www leroy somer com epg 5378 en Linkedin com company leroy somer Twitter com Leroy_Somer_en Facebook com LeroySomer Nidec en YouTube com LeroySomerOfficiel ...

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