Related Manuals for Nidec LSA 52.3
Summary of Contents for Nidec LSA 52.3
- Page 1 LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators - 4 pole Installation and maintenance...
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Page 2: Table Of Contents
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators TABLE OF CONTENTS 3.1 TRANSPORT AND STORAGE 1. GENERAL INFORMATION 3.1.1 Transportation 1.1 INTRODUCTION 3.1.2 Warehouse Storage 3.1.3 Storage in maritime packaging... - Page 3 Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 5.10 COIL CLEANING 4.3.1 Machine stopped checks 4.3.2. Machine running checks 5.10.0 General information 5.10.1 Coil cleaning products 4.3.2.0 Rotor speed ramp-up (Standard Machine)
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Page 4: General Information
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 1. GENERAL INFORMATION Any modification of the machine structure must receive approval from Leroy-Somer. 1.1.2.2 Vibration analysis 1.1 INTRODUCTION... -
Page 5: Object Projection Risk
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 1.1.2.4 Object projection risk The pole wheel (rotating part; item 4) excites the alternator armature (static part; item 5) which generates a three- phase current. -
Page 6: Excitation Field Winding
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators b - Stator air exhaust (warmed air) NOTE: c – Rotating diodes air cooling If quickly restarting after a shut-down, inhibit the stator air sensor safety "alarm"... -
Page 7: Rotor
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 2.2 ROTOR attached to the hub by screws. Ventilation is obtained by means of inclined blades. The air is exhausted by centrifugation. -
Page 8: Terminal Box
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 2.4 NAMEPLATES Generator set: Class G2.5 Turbine: Class G1 The shaft end is cold-stamped to indicate the type of 2.4.1. -
Page 9: Air Filters
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 2.10 AIR FILTERS Rear bearing; Locking system examples: Only use approved filters. Any filter not correctly engineered may conduce to air flow restriction and then to abnormal generator cooling or to dust entering the generator. -
Page 10: Installation
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 3. INSTALLATION 3.1.4 Unpacking and Installation DANGER: 3.1 TRANSPORT AND STORAGE THE DEDICATED LIFTING HOOKS MUST BE USED TO LIFT THE MACHINE WITH SLINGS (ONE HOOK AT 3.1.1 Transportation... -
Page 11: Installation Of The Machine
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 3.2 INSTALLATION OF THE MACHINE CAUTION: THE ALIGNMENT STANDARDS OF MOTOR 3.2.1 Coupling Assembly (double-bearing MANUFACTURERS ARE FREQUENTLY MORE machine only) ACCURATE THAN THOSE OF LEROY-SOMER. -
Page 12: Alignment Of A Double-Flanged Bearing Machine
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators Implementation: During the measurements, both shafts must turn simultaneously in the same direction. (For example: the coupling installed with its screws loosened). By turning both shafts simultaneously, the measurement is not 0.16... -
Page 13: Electrical Connections
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 3.4 ELECTRICAL CONNECTIONS 3.4.1 Phase Order 3.4.1.1 Standard units; IEC 34-8 3.4.0. General information Except by special request of the customer, the phase- The installation must comply with the electrical schematics sequence is chosen as per the IEC 34-8 standard. -
Page 14: Upon Request; Nema
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 3.4.1.2 Upon request; NEMA 3.4.2 Insulation distances An arrow located on the front bearing indicates the Products not delivered by Leroy-Somer and then installed direction of rotation. -
Page 15: Start-Up
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 4. START-UP 4.1.3.3 Parallel coupling CAUTION: 4.1 ELECTRICAL START-UP INSPECTION A WRONG SYNCHRONIZATION CAN LEAD TO SERIOUS DAMAGE(HIGH MECHANICAL 4.1.0 General information... -
Page 16: Terminal Box Start-Up
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 4.2.2 Terminal Box start-up 4.3.2. Machine running checks The terminal box is mounted on damper pads. 4.3.2.0 Rotor speed ramp-up (Standard Machine) -
Page 17: Generator Start-Up Checklist
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators Generator start-up checklist 4.3.3 TYPE SERIAL No. Voltage Frequency Speed Output Power Power Factor STATIC CHECKS Mechanical checks... - Page 18 Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators RUNNING CHECKS WITH EXCITATION - AT NO LOAD CONDITIONS Verification of the temperature of the bearings ( °C_____________...
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Page 19: Maintenance And Servicing
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 5. MAINTENANCE AND SERVICING 5.0 GENERAL INFORMATION DANGER: BEFORE ANY WORK ON THE GENERATOR, MAKE SURE THAT THE START-UP CANNOT BE ACTIVATED BY ANY MANUAL OR AUTOMATIC SIGNAL. -
Page 20: Preventive Maintenance Programme
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 5.1 PREVENTIVE MAINTENANCE PROGRAMME 5.1.0 General information The purpose of the general preventive maintenance programme below is to assist in establishing the installation-specific maintenance programme. -
Page 21: Roller Bearing
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 5.1.4 Roller bearing According to the technical characteristics indicated in Section 1. The bearings can be re-lubricated as... -
Page 22: Air Gap Check
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 5.2 AIR GAP CHECK 5.3 BEARINGS 5.2.1 General information 5.3.1 General information Measuring air gap is not always possible due to lack of access. -
Page 23: Cleaning Of The Bearing Assembly Area
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators NOTE: The solvent used must be in accordance with local regulations and environmental standards. DANGER: THE PROHIBITED SOLVENTS ARE:... -
Page 24: Lubricants
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 5.4 LUBRICANTS 5.5 AIR FILTER 5.4.1 Greases 5.5.1 Cleaning Recommended lubricant: 5.5.1.1 Air Filter Cleaning Frequency MOBIL POLYREX EM (polyurea base). -
Page 25: Steel Screws In Steel Tapping
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators A medium strength thread locking compound such as or 5.6.4 Rotating diodes similar to "Loctite 242"; or "Omnifit 100M" (from Henkel). -
Page 26: Insulation Measurement
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators - As soon as an abnormal operation occurs - At maintenance intervals (refer to chapter 5.1) If the measurement indicates a poor result, we advise contacting our Service department. -
Page 27: Rotary Diode Bridge Test
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators ���� ���� (t=10minutes) ���� ���� A site cleaning, because less efficient, can be considered (t=1minute) only for a transient period. -
Page 28: Winding Drying
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 5.11 WINDING DRYING 5.11.1.3 Drying generator in rotation 5.11.0 General information CAUTION: THIS OPERATION MUST BE DONE BY A QUALIFIED All electrical machines must be stored dry. -
Page 29: New Varnish Application
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 5.12 NEW VARNISH APPLICATION 5.14 SPARE PARTS CAUTION: LSA 52.3 LSA 53.2 LSA 54.2 A NEW VARNISH APPLICATION SHOULD ONLY BE... -
Page 30: Mechanical Defects
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 5.15 MECHANICAL DEFECTS Fault Action - If the bearing has turned blue or if the grease has turned Excessive overheating of one or black, change the bearing. -
Page 31: Electrical Faults
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 5.16 ELECTRICAL FAULTS Fault Action Effect Check/Cause The alternator builds up and its voltage is still correct... -
Page 32: Typical Assemblies And Drawings
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 6. TYPICAL ASSEMBLIES AND DRAWINGS 6.1 MACHINE SECTION VIEWS 6.1.1 Machine type A52.3 • Single-bearing __________________________________________________________________________________________________... - Page 33 Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators • Two-bearing Screw Torque Screw Torque Ref. Qty Description N.m Ref. Qty Description Ø Ø Preloading (wavy)
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Page 34: Machine Type A53; A54
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 6.1.2 Machine type A53; A54 Rotor Polar wheel Bearing (front) Balancing disc Fan hub Exciter field Front spacer... -
Page 35: Roller Bearing Mounting
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 6.2 ROLLER BEARING MOUNTING 6.2.1 Machines A52, A53 and A54; standard Bearing assembly "Standard " Drive end... -
Page 36: Standard Safety Regulations
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 7. STANDARD SAFETY REGULATIONS 7.1 EUROPEAN REGULATIONS AND DIRECTIVES 7.1.1 Low Voltage Machines __________________________________________________________________________________________________... -
Page 37: Medium And High Voltage Machines
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 7.1.2 Medium and High Voltage Machines __________________________________________________________________________________________________... -
Page 38: Short Circuit Capacity Of The Terminal Box
Installation and maintenance Electric Power Generation 5382 en - 2022.11 / h LSA 52.3 / LSA 53.2 / LSA 54.2 Industrial Range Alternators 7.1.3 Short circuit capacity of the terminal box __________________________________________________________________________________________________... - Page 39 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 40 www.leroy-somer.com/epg Connect with us at: 5382 en - 2022.11 / h...