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Related Manuals for Leroy-Somer Nidec LSA 42.3
Summary of Contents for Leroy-Somer Nidec LSA 42.3
- Page 1 LSA 42.3 Low Voltage Alternator - 4 pole Installation and maintenance...
- Page 2 Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole This manual concerns the alternator which you have just purchased. We wish to draw your attention to the contents of this maintenance manual. SAFETY MEASURES a) During operation, do not allow anyone to stand in front of the air outlet guards,...
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Page 3: Table Of Contents
Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 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 ........................ -
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 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole 2 - TECHNICAL 2.2 - Mechanical characteristics CHARACTERISTICS - Steel frame - Aluminum end shields 2.1 - Electrical characteristics - Protected ball bearings, greased for life This alternator is a machine without - Mounting arrangement: single bearing sliprings or revolving armature brushes,... - Page 6 Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole • SHUNT three-phase 12-wire STATOR: 12-wire (marking T1 to T12) MAIN FIELD EXCITER Armature Field R220 Power supply / Detection •...
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Page 7: Installation
Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole 3 - INSTALLATION Personnel undertaking various operations indicated in this section must wear personal protective equipment appropriate for mechanical and electrical hazards. -
Page 8: Checks Prior To First Use
Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole 3.2 - Checks prior to first use - the standard direction of rotation is clock- wise as seen from the drive end (phase •... - Page 9 Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole • SHUNT, AREP or PMG three-phase 12-wire Connection codes Voltage / Detection Factory connection 50 Hz 60 Hz Winding L1(U) 190 - 208 190 - 240 220 - 230...
- Page 10 Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole • SHUNT, AREP or PMG three-phase 12-wire Connection codes Voltage / Detection Factory connection 50 Hz 60 Hz Winding L1(V) 110 - 120 L3(W) 120 - 130...
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Page 11: Commissioning
Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole 3.4 - Commissioning • Connection checks Electrical installations must comply with the current legislation in force in the The machine can only be started up and country of use. -
Page 12: Servicing - Maintenance
Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 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 13: Bearings
Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 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. 4.4 - Mechanical defects Fault Action... -
Page 14: Electrical Faults
Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 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 15 Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 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 16: Dismantling, Reassembly
Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole 4.6 - Dismantling, reassembly • Access to connections and the regulation system WARNING The terminals are accessed directly by removing the terminal box panel (41). During warranty period,... - Page 17 Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole • Replacing the NDE bearing on single • Accessing the main field and stator bearing machines Dismantling Dismantling Follow the procedure for dismantling - Remove the NDE shield (36).
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Page 18: Installation & Maintenance Of The Pmg
Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole Field excitation current i exc (A) 400V - 50 Hz “i exc”: excitation current of the exciter field Type No load At rated load 0.55 1.77... - Page 19 Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole Field excitation current i exc (A) • Dedicated single-phase M1: 4-pole, 400V - 50 Hz SHUNT excitation - 60 Hz “i exc”: excitation current of the exciter field Resistances at 20 °C (Ω) Type...
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Page 20: Spare Parts
They contain the following items: For all spare parts orders or technical support requests, send your request to Emergency kit SHUNT ALT 423 KS 001 service.epg@leroy-somer.com or your AVR R220 nearest contact, whom you will find at Diode bridge assembly www.lrsm.co/support indicating the comp-... -
Page 21: Exploded Views, Parts List And Tightening Torque
Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole 5.3 - Exploded views, parts list and tightening torque • Single bearing... - Page 22 Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole • Two-bearing...
- Page 23 Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole Screw Torque Screw Torque Ref. Qty Description Ref. Qty Description Ø Ø Preloading (wavy) Stator assembly washer Rotor assembly Exciter field (stator) Exciter armature (rotor) Earth terminal...
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Page 24: Disposal And Recycling Instructions
Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole Disposal and recycling All materials listed above need special treatment separate waste from instructions reclaimable materials and should be committed limiting entrusted to specialist recycling companies. -
Page 25: Ec Declaration Of Compliance And Incorporation
Directives Nr 2006/42/EC, 2014/30/EU, 2011/65/EU and 2015/863, as well as with other relevant Directives. Leroy-Somer undertakes to transmit, in response to a reasoned request by the national authorities, relevant information on the generator. Technical Managers J.P. - Page 26 Installation and maintenance Electric Power Generation 4803 en - 2021.06 / o LSA 42.3 Low Voltage Alternator - 4 pole...
- Page 27 •Repair services Contact us: Americas: +1 (507) 625 4011 Europe & rest of the world: +33 238 609 908 Asia Pacific: +65 6250 8488 China: +86 591 88373036 India: +91 806 726 4867 Scan the code or go to: service.epg@leroy-somer.com www.lrsm.co/support...
- Page 28 Linkedin.com/company/leroy-somer Twitter.com/Leroy_Somer_en Facebook.com/LeroySomer.Nidec.en YouTube.com/LeroySomerOfficiel 4803 en - 2021.06 / o...