Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for Nidec LAROY-SOMER LSA 44.3
Summary of Contents for Nidec LAROY-SOMER LSA 44.3
- Page 1 LSA 44.3 Low Voltage Alternators - 4 pole Installation and maintenance...
- Page 2 Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 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,...
-
Page 3: Table Of Contents
Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 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 ........................ -
Page 4: Receipt
Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 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 5056 en - 2018.01 / g LSA 44.3 Low Voltage Alternators - 4 pole 2 - TECHNICAL CHARACTERISTICS 2.2 - Mechanical characteristics - Steel frame 2.1 - Electrical characteristics - Cast iron end shields This alternator is a machine without - Protected ball bearings, greased for life sliprings or revolving armature brushes,... -
Page 6: Installation
Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 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 operations indicated in this section must performing: wear personal protective equipment... -
Page 7: Terminal Connection Diagrams
Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 Low Voltage Alternators - 4 pole There are 2 possible methods for restoring - the cooling air is drawn in freely, the above minimum values. - the protective grills and housing are cor- a) Dry out the machine for 24 hours in a rectly in place, drying oven at a temperature of 110 °C... - Page 8 Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 Low Voltage Alternators - 4 pole Connection codes L.L. voltage Factory connection 50 Hz 60 Hz Winding 1 phase 220 - 240 220 - 240 250 - 260 220 - 240 R 250 voltage sensing: 0 =>...
- Page 9 Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 Low Voltage Alternators - 4 pole SINGLE-PHASE 4-WIRE - type M or M1 DEDICATED WINDING SERIAL CONNECTION Voltage 50/60Hz Output Link L - L L - M T2 - T3 T2 - T3 R 250 voltage sensing: 0 =>...
-
Page 10: Commissioning
Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 Low Voltage Alternators - 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 5056 en - 2018.01 / g LSA 44.3 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 12: Bearings
Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 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 13: Electrical Faults
Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 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 14 Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 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.
-
Page 15: Dismantling, Reassembly
Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 Low Voltage Alternators - 4 pole 4.6 - Dismantling, reassembly - Refit the modules. - Refit the air intake grille [51]. WARNING • Access to connections and the During the warranty period, this operation regulation system should only be carried out in an approved... - Page 16 Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 Low Voltage Alternators - 4 pole • Accessing the main field and stator - Dismantling NDE shield Follow the procedure for dismantling the Rotor bearings. - Remove the coupling disc (single-bearing Screw rod alternator) or the DE shield (twin-bearing alternator) and insert a tube of the...
-
Page 17: Installation & Maintenance Of The Pmg
Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 Low Voltage Alternators - 4 pole 4.7 - Installation and maintenance of • SHUNT excitation current - 400 V - 50 Hz “i exc”: excitation current of the exciter field the PMG The PMG reference is PMG 7. - Page 18 Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 Low Voltage Alternators - 4 pole • Voltage on the auxiliary windings i exc excitation current (A) - 240 V - 60 Hz “i exc”: excitation current of the exciter field. Type Winding X1, X2 Winding Z1, Z2...
-
Page 19: Spare Parts
Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 Low Voltage Alternators - 4 pole 5 - SPARE PARTS 5.1 - First maintenance parts Emergency repair kits are available as an After operational testing, it is essential option. -
Page 20: Exploded Views, Parts List And Tightening Torque
Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 Low Voltage Alternators - 4 pole 5.4 - Exploded view, parts list and tightening torque • Single-bearing... - Page 21 Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 Low Voltage Alternators - 4 pole • Double-bearing...
- Page 22 Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 Low Voltage Alternators - 4 pole Screw Torque Screw Torque Ref. Description Ref. Description Ø Ø Stator assembly Fixing screw Rotor assembly Circlip Inner bearing retainer Fixing screw NDE bearing Washer preloading...
-
Page 23: Disposal And Recycling Instructions
Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 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 24 Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 Low Voltage Alternators - 4 pole...
-
Page 25: Declaration Of Ec Compliance And Incorporation
Installation and maintenance Electric Power Generation 5056 en - 2018.01 / g LSA 44.3 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 5056 en - 2018.01 / g LSA 44.3 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 5056 en - 2018.01 / g...