Nidec LEROY-SOMER LSA R 49.1 Installation And Maintenance Manual
Nidec LEROY-SOMER LSA R 49.1 Installation And Maintenance Manual

Nidec LEROY-SOMER LSA R 49.1 Installation And Maintenance Manual

Air/air or air/water heat exchanger

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LSA R/H 49.1
Air/Air or Air/Water heat exchanger
Low Voltage Alternator - 4 pole
Installation and maintenance

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Summary of Contents for Nidec LEROY-SOMER LSA R 49.1

  • Page 1 LSA R/H 49.1 Air/Air or Air/Water heat exchanger Low Voltage Alternator - 4 pole Installation and maintenance...
  • Page 2 Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 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,...
  • Page 3: Table Of Contents

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 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

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole 1 - RECEIPT 1.4 - Storage Prior to commissioning, machines should 1.1 - Standards and safety be stored: measures - away from humidity (<...
  • Page 5: Technical Characteristics

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole 2 - TECHNICAL CHARACTERISTICS The alternator complies with EN 61000-6- 3, EN 61000-6-2, EN 55011. 2.1 - Electrical characteristics This alternator is a machine without Electrical option: sliprings or revolving field brushes, wound...
  • Page 6: Installation

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole 3 - INSTALLATION 3.2 - Checks prior to first use • Electrical checks 3.1 - Assembly Under no circumstances should an All mechanical handling operations alternator, new or otherwise, be operated must be undertaken using approved...
  • Page 7: Terminal Connection Diagrams

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole 3.3 - Terminal connection diagrams MAIN FIELD Aux. windings EXCITER Armature Rotating rectifiers Exciter field STATOR blue 4 or 6 terminals according to order white NC : Not connected TERMINALS CONNEXION...
  • Page 8 Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole • A.V.R. connection...
  • Page 9: Internal Coupling

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole 3.4 - Internal coupling case should internal connections in the terminal box be • Standard terminal connection: 6-wire subjected to stresses due to cables connected by the user.
  • Page 10: Commissioning

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole 3.5 - Commissioning • Connection checks Electrical installations must comply with The machine can only be started up and the current legislation in force in the used if the installation is in accordance country of use.
  • Page 11: Servicing - Maintenance

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole 4 - SERVICING - MAINTENANCE onto the machine axle and situated on the front bearing side. In particular cases 4.1 - Safety measures (variable speed ...) the air circulation is Servicing or troubleshooting must be...
  • Page 12: Air/Water Heat Exchanger

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole 4.4 - Air/water heat exchanger - a fin-tube block crimped mechanically onto the tubes. • Description of the cooler The tube bundle is roll-expanded in the end losses (mechanical, ohmic...).
  • Page 13: Bearings

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole • Servicing the water-cooler Cooler removal: The cooler unit is slid into the box caisson. It is possible to remove the cooler from the caisson without removing the water boxes.
  • Page 14: Fault Detection

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole Cleaning of the stator, rotor, exciter and The machine should be cleaned with a diode bridge degreasing agent, applied using a brush. Check that the degreasing agent will not insulating components...
  • Page 15: Electrical Faults

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole 4.8 - 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 16 Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 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.
  • Page 17: Dismantling, Reassembly

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole 4.9 - Dismantling, reassembly • Replacing the NDE bearing - Remove the terminal block cover (132). During warranty period, this - Unplug (+ et -) field system.
  • Page 18: Table Of Characteristics

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole 4.10 - Table of characteristics - Fit the new bearing, after heating it by induction at approximately 80°C. Table of average values. Alternator - 4 poles - 50 Hz - Standard winding No.
  • Page 19: Spare Parts

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole 5 - SPARE PARTS In the event of failure to comply with this advice, the manufacturer cannot be held 5.1 - First maintenance parts responsible for any damage.
  • Page 20: Air/Air Heat Exchanger Exploded View

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole 5.3 - Exploded view: air/air heat exchanger...
  • Page 21: Parts List

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole 5.4 - Parts list Ref. Description Ref. Description Stator assembly Exciter armature Rotor assembly Diode assembly support Primary circuit turbine Air tube casing Balancing disc Air ventilation casing...
  • Page 22: Air/Water Heat Exchanger Exploded View

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole 5.5 - Exploded view: air/water heat exchanger...
  • Page 23: Parts List

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole 5.6 - Parts list Ref. Description Ref. Description Stator assembly Exciter field Rotor assembly Exciter armature Turbine Diode assembly support Balancing disc Cooling system End shaft key...
  • Page 24 Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole...
  • Page 25: Disposal And Recycling Instructions

    Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole Disposal and recycling instructions All materials listed above need special treatment separate waste from committed limiting reclaimable materials and should be environmental impact of our activity.
  • Page 26 Installation and maintenance Electric Power Generation 4528 en - 2020.05 / f LSA R/H 49.1 Low Voltage Alternator - 4 pole...
  • Page 27 Service & Support Our worldwide service network of over 80 facilities is at your service. This local presence is our guarantee for fast and efficient 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.
  • Page 28 Linkedin.com/company/leroy-somer Twitter.com/Leroy_Somer_en Facebook.com/LeroySomer.Nidec.en YouTube.com/LeroySomerOfficiel 4528 en - 2020.05 / f...

This manual is also suitable for:

Leroy-somer lsa h 49.1Leroy-somer lsa r/h 49.1

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