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Related Manuals for Leroy-Somer Nidec LSA 50.2
Summary of Contents for Leroy-Somer Nidec LSA 50.2
- Page 1 LSA 50.2 Low Voltage Alternator - 4 pole Installation and maintenance...
- Page 2 Warning symbol for general danger to of the generator, sized to interrupt the personnel. fault current. © 2022 Moteurs Leroy-Somer SAS Share Capital: 38,679,664 €, RCS Angoulême 338 567 258. Warning symbol for electrical danger to We reserve the right to modify the characteristics personnel.
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Page 3: Table Of Contents
Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole CONTENTS 1 - RECEIPT ......................4 1.1 - Standards and safety measures .................4 1.2 - Inspection ........................4 1.3 - Identification .......................4 1.4 - Storage ........................4 1.5 - Applications ........................4 1.6 - Usage restrictions ......................4... -
Page 4: Receipt
NEMA MG1 - 32 & 33 415 v / 40°C Std by. DE bearing 27°C NDE bearing MOTEURS LEROY-SOMER 2 BD MARCELLIN LEROY - 16000 ANGOULÊME - FRANCE www.leroy-somer.com Scan the code or go to GEN.LS1.DO Made in Europe by Leroy-Somer to check product data... -
Page 5: Technical Characteristics
Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole 2 - TECHNICAL 2.2 - Mechanical characteristics CHARACTERISTICS - Steel frame - Cast iron end shields 2.1 - Electrical characteristics - Protected ball bearings, greased for life This alternator is a machine without - Mounting arrangement: single bearing... -
Page 6: Installation
Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole 3 - INSTALLATION • Single-bearing coupling Before coupling, check the compatibility Personnel undertaking various between the alternator and the engine by operations indicated in this section must performing: wear personal protective equipment... -
Page 7: Terminal Connection Diagrams
Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole 3.3 - Terminal connection diagrams There are 2 possible methods for restoring the above minimum values. To modify the connection, change the a) Dry out the machine for 24 hours in a position of the stator cables on the terminals. - Page 8 Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole • AREP or PMG three-phase 6-wire Voltage / Detection Connection codes Factory connection 50 Hz 60 Hz Winding L1(U) 380 - 415 380 - 480 L3(W) L2(V)
- Page 9 Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole • Option connection diagram Remote voltage potentiometer 1000 ohms Voltage adjustment via remote potentiometer Current transformer connection Thermistor temperature (PTC) Anti condensation heater Coupling D In/4 - Secondary 1 A...
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Page 10: Commissioning
Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole • Connection checks 3.4 - Commissioning 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 Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole 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
Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole 4.3 - Bearings The bearings are permanently greased Approximate life of the grease (depending on use) = 20,000 hours or 3 years. As an option, the bearings are regreasable Regreasing interval: 3600 hrs of operation DE bearing: Amount of grease: 60 gr... -
Page 13: Electrical Faults
Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole 4.5 - Electrical faults Fault Action Effect Check/Cause The alternator builds up and its voltage is still correct - Lack of residual magnetism when the battery is removed Connect a new battery of 4 to 12... - Page 14 Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole • 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.
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Page 15: Dismantling, Reassembly
Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole 4.6 - Dismantling, reassembly - Remove the «H» nuts for mounting the diode bridges on the support. - Change the crescents, respecting the WARNING polarity. - Page 16 Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole - Refit the NDE bracket on the machine - Refit the DE bracket (30) on the machine. using a dowel and nut in the shaft extension. - Slide the threaded rod into the bracket hole - Slide the threaded rod into the NDE bracket to make it easier to assemble (see basic...
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Page 17: Installation & Maintenance Of The Pmg
Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole • Reassembling the machine • Dismantling and reassembly of the filters - Mount the rotor (4) in the stator (1) (see - Remove the grille (51) then take out the drawing above) taking care not to knock the filter (52). - Page 18 Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole • Three-phase: 4-pole AREP excitation • Table of weights Resistances at 20 °C (Ω) (values given for information only) Stator Exciter Exciter Type...
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Page 19: Spare Parts
For all spare parts orders or technical sensing relays (supplied optionally). support requests, send your request to Cold resistance of cold thermistor sensors: service.epg@leroy-somer.com or your 100 to 250 Ω per sensor. nearest contact, whom you will find at www.lrsm.co/support indicating the comp- •... -
Page 20: Exploded Views, Parts List And Tightening Torque
Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole 5.4 - Exploded views, parts list and tightening torque • Single bearing... - Page 21 Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole • Two-bearing...
- Page 22 Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole Screw Torque Screw Torque Ref. Qty Description Ref. Qty Description Ø Ø Stator assembly 1 Inner bearing retainer Preloading (wavy) Rotor assembly washer Exciter field (stator)
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Page 23: Disposal And Recycling Instructions
Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole Disposal and recycling instructions These components are usually marked with information concerning the type of plastic. committed limiting All materials listed above need special environmental impact of our activity. - Page 24 Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole...
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Page 25: Ec Declaration
Directives Nr 2006/42/EC, 2014/30/EU, 2011/65/EU and 2015/863, as well as with other relevant Directives. Moteurs Leroy-Somer undertakes to transmit, in response to a reasoned request by the national authorities, relevant information on the generator. Those responsible for compiling the technical files and this declaration are: Yannick MESSIN, Technical Manager LS Orléans, 1 rue de la Burelle, 45800 Saint Jean de Braye... - Page 26 Installation and maintenance Electric Power Generation 4099 en - 2022.12 / p LSA 50.2 Low Voltage Alternator - 4 pole...
- Page 27 •Genuine spare parts •Repair services Contact us: Americas: +1 (507) 625 4011 EMEA: +33 238 609 908 Asia Pacific: +65 6250 8488 China: +86 591 8837 3010 India: +91 806 726 4867 Scan the code or go to: service.epg@leroy-somer.com www.lrsm.co/support...
- Page 28 Connect with us at: 4099 en - 2022.12 / p...