Related Manuals for Nidec LSA 49.1
Summary of Contents for Nidec LSA 49.1
- Page 1 LSA 49.1 Low Voltage Alternators - 4 pole Installation and maintenance...
- Page 2 Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 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.
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Page 3: Table Of Contents
Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 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... -
Page 4: Receipt
Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 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 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole 2 - TECHNICAL CHARACTERISTICS 2.2 - Mechanical characteristics - Steel frame 2.1 - Electrical characteristics - Cast iron end shields... -
Page 6: Installation
Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole 3 - INSTALLATION • Single-bearing coupling Before coupling, check the compatibility Personnel undertaking various between the alternator and the engine by... -
Page 7: Terminal Connection Diagrams
Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole There are 2 possible methods for restoring the above minimum values. a) Dry out the machine for 24 hours in a drying oven at a temperature of 110 °C... - Page 8 Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole • Terminal connection : 12-wire Connection code Voltage L.L Factory connection 50 Hz 60 Hz Winding L1(U) 190 - 240...
- Page 9 Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole • Terminal connection : 6-wire version Connection code Voltage L.L Factory connection 50 Hz 60 Hz Winding Star L1(U) 380 - 415...
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Page 10: Commissioning
Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 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 11: Servicing - Maintenance
Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole 4 - SERVICING - MAINTENANCE WARNING 4.1 - Safety measures Do not use: trichlorethylene, perchlo- Servicing or troubleshooting must be... -
Page 12: Bearings
Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole 4.3 - Bearings As an option, the bearings are regreasable Regreasing interval: 4500 hrs of operation DE bearing: Amount of grease: 60 gr... -
Page 13: Electrical Faults
Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole 4.5 - Electrical faults Fault Action Effect Check/Cause The alternator builds up and its voltage is still correct when - Lack of residual magnetism the battery is removed. - Page 14 Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 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 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole 4.6 - Dismantling, reassembly • Access to connections and the regulation system WARNING Access directly by removing the box lid (48) or the AVR access door (466). - Page 16 Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole • Replacing the DE bearing • Reassembling the bearings - Place the “O” ring seal (349) and the - Take out the screws (31) and (62).
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Page 17: Installation & Maintenance Of The Pmg
Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole • Reassembling the rotor On single bearing alternators : - Slide the rotor into the stator and position it as shown in fig above. - Page 18 Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole • Resistances of main windings at 20°C • Voltage of auxiliary windings at no (Ω) load Average values for 6S winding - (6 wires)
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Page 19: Spare Parts
Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 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: Exploded Views, Parts List And Tightening Torque
Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole 5.4 - Exploded view, parts list and tightening torque • Single-bearing... - Page 21 Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole • Two-bearing...
- Page 22 Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole Screw Torque Screw Torque Ref. Qty Description Ref. Qty Description Ø Ø Stator assembly AVR support stirrup Rotor assembly Turbine...
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Page 23: Disposal And Recycling Instructions
Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole Disposal and recycling instructions The oil and grease from the lubrication system should be considered as a hazardous We are committed to limit the environmental waste and has to be handled according to impact of our activity. - Page 24 Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole...
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Page 25: Declaration Of Ec Compliance And Incorporation
Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 4 pole Declaration of EC compliance and incorporation This Declaration applies to the generators designed to be incorporated into machines complying with the Machinery Directive Nr 2006/42/EC dated 17 May 2006. - Page 26 Installation and maintenance Electric Power Generation 3007 en - 2017.12 / p LSA 49.1 Low Voltage Alternators - 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 3007 en - 2017.12 / p...