Related Manuals for Nidec LEROY-SOMER LSA 40
Summary of Contents for Nidec LEROY-SOMER LSA 40
- Page 1 LSA 40 Low Voltage Alternators - 4 pole Installation and maintenance Three-phase 12-wire Dedicated single-phase 4-wire...
- Page 2 Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 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. 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 4455 en - 2018.11 / m LSA 40 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 1.5 - Applications ........................ -
Page 4: Receipt
Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 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 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 4 pole 2 - TECHNICAL CHARACTERISTICS 2.2 - Mechanical characteristics - Steel frame 2.1 - Electrical characteristics - End shields in cast iron This alternator is generator without sliprings - Greasable ball bearings and revolving field brushes, wound as “2/3... - Page 6 Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 4 pole • SHUNT three-phase 12-wire MAIN FIELD STATOR : 12 wires (T1 to T12 identification) Exciter Armature Field R220 Power supply / Detection •...
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Page 7: Installation
Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 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 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 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 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 4 pole • SHUNT or AREP three-phase 12-wire Connection code L.L voltage Factory connection 50 Hz 60 Hz L1(U) Winding 190 - 208 190 - 240 3 phases 220 - 230...
- Page 10 Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 4 pole • SHUNT or AREP three-phase 12-wire Connection code Factory connection L.L voltage 50 Hz 60 Hz Winding L1(V) L3(W) 110 - 120 1 phase 120 - 130 3 phases...
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Page 11: Commissioning
Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 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 12: Servicing - Maintenance
Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 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 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 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 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 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 4455 en - 2018.11 / m LSA 40 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 16: Dismantling, Reassembly
Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 4 pole 4.6 - Dismantling, reassembly • Access to connections and the regulation system WARNING The terminals and AVR are accessed directly by removing the terminal box lid During warranty period,... - Page 17 Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 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: Table Of Characteristics
Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 4 pole Reassembly • Three-phase: 4-pole, SHUNT excitation - Follow the dismantling procedure in Resistances at 20 °C (Ω) reverse order. Take care not to knock the windings when Type L/N stator Rotor Field coil Armature refitting the rotor in the stator. - Page 19 Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 4 pole Field excitation current i exc (A) • Table of weights 400V - 50 Hz (values given for information only) “i exc”: excitation current of the exciter field Type Total weight (kg) Rotor (kg)
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Page 20: Spare Parts
Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 4 pole 5 - SPARE PARTS 5.2 - Technical support service 5.1 - First maintenance parts Our technical support service will be pleased provide additional... -
Page 21: Exploded Views, Parts List And Tightening Torque
Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 4 pole 5.3 - Exploded view, parts list and tightening torque • Single bearing, AREP or SHUNT... - Page 22 Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 4 pole • Two-bearing, AREP or SHUNT...
- Page 23 Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 4 pole Bolt Torque Bolt Torque Ref. Qty Description Ref. Qty Description Ø Ø Stator assembly Field fixing bolts Rotor assembly Exciter armature Terminal block support Earth terminal Terminal block...
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Page 24: Disposal And Recycling Instructions
Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 Low Voltage Alternators - 4 pole Disposal and recycling instructions The oil and grease from the lubrication system should be treated as hazardous committed limiting waste and must be treated in accordance environmental impact of our activity. -
Page 25: Declaration Of Ec Compliance And Incorporation
Installation and maintenance Electric Power Generation 4455 en - 2018.11 / m LSA 40 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 4455 en - 2018.11 / m LSA 40 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 4455 en - 2018.11 / m...