Related Manuals for Nidec Leroy-Somer LSA 180 A
Summary of Contents for Nidec Leroy-Somer LSA 180 A
- Page 1 400Hz High Frequency Alternators Installation and maintenance...
- Page 2 Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators This manual concerns the alternator which you have just purchased. We wish to draw your attention to the contents of this maintenance manual. b) Do not allow children younger than 14 SAFETY MEASURES to go near the air outlet guards.
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Page 3: Table Of Contents
Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators CONTENTS 1 - RECEIPT ..........4 6 - ASSEMBLY OF ALTERNATOR TO PRIME MOVER ........8 1.1 - Standards and safety measures ..4 1.2 - Inspection ........... 4 6.1 - Foundation ......... -
Page 4: Receipt
Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators 1 - RECEIPT a long period of storage, check the machine insulation. To prevent the bearings from 1.1 - Standards and safety becoming marked, do not store in an measures environment with significant vibration. -
Page 5: Technical Characteristics
Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators 2 - TECHNICAL - The automatic voltage regulator (AVR) will sense this low voltage and compare it with CHARACTERISTICS the set reference voltage level and provides 2.1 - Electrical characteristics such power as is available from the main All standard products have 2/3 pitch main... -
Page 6: Operating Performance
Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators 3 - OPERATING PERFORMANCE 4 - AUTOMATIC VOLTAGE REGULATOR 3.1 - Voltage accuracy and response time The D550 is a digital automatic voltage regulator (AVR) for alternators with rated The steady state voltage accuracy will be field current up to 7 A. -
Page 7: Installation And Commissioning
Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators 5 - INSTALLATION AND 5.3 - Foundation COMMISSIONING For mounting the alternator with the prime mover, it will be necessary to mount the Personnel undertaking various alternator on a bedplate or base frame but... -
Page 8: Alignment
Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators 5.5 - Alignment 6.2 - Alternator mounting single bearing Measuring the concentricity and parallelism of the coupling shall carefully align the Single bearing alternators are provided with alternator and the prime mover. -
Page 9: Electrical Checks
Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators 7 - ELECTRICAL CHECKS Another method of improving IR value of winding is to circulate the hot air through the WARNING machine. Placing heaters inside or near the machine Ensure that the alternator has the degree may do it. -
Page 10: Setting Up
Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators - There is no short-circuit phase-phase or If the machine does not build up due to low phase-neutral between the alternator output or loss of residual magnetism, the following terminals and the generator set control procedure is applied to recharge the cabinet (part of the circuit not protected by... -
Page 11: Connection Diagram With D550 Digital Avr
Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators 7.6 - Connection diagram with D550 digital AVR • SHUNT three-phase ROTOR STATOR EXCITER EXCITER 3-PHASE STATOR ARMATURE BRIDGE RECTIFIER MAIN STATOR WINDING EXCITER FIELD OUTPUT TERMINALS TO LOAD... -
Page 12: Servicing - Maintenance
Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators 8 - SERVICING - MAINTENANCE WARNING 8.1 - 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 6149 en - 2023.07 / a 400Hz High Frequency Alternators 8.3 - Bearings The bearings are greased for life Approximate life of the grease (depending on use): 20,000 hours or 3 years Monitor the temperature rise in the bearings, which should not exceed 90°C above the ambient temperature. -
Page 14: Electrical Faults
Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators 8.5 - Electrical faults Fault Cause Rectification Defective voltmeter Check voltmeter and replace Excitation circuit open Check for loose connection Incorrect excitation circuit connection Check for proper connection Check for residual voltage. - Page 15 Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators • 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 And Assembly
Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators 8.6 - Dismantling and assembly WARNING During the warranty period, this operation should only be carried out in an approved workshop or in our factory, otherwise the warranty may be invalidated. Whilst being handled, the machine should remain horizontal (rotor not locked in position). -
Page 17: Rotating Rectifier Assembly
Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators 8.7 - Rotating rectifier assembly Description “B” Base plate Aluminum bar Forward diode Reverse diode Varistor Hexagonal bolt Hexagonal nut “B” Plain washer Lock washer Section “BB”... -
Page 18: Spare Parts
Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators 9 - SPARE PARTS 9.1 - Recommended spares After operational testing, it is essential to Description Code replace all access panels or covers. Automatic voltage ALT550KC001B regulator (AVR) BG1100631010... -
Page 19: Exploded View, Parts List And Tightening Torque
Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators 9.3 - Exploded view, parts list and tightening torque... - Page 20 Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators 180 frame 225 frame 280 frame Ref. Description Screw Torque Screw Torque Screw Torque Ø Ø Ø Stator assembly Rotor assembly Fan with key Circlip for fan Hub with key Shim...
- Page 21 Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators...
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Page 22: Disposal And Recycling Instructions
Installation and maintenance Electric Power Generation 6149 en - 2023.07 / a 400Hz High Frequency Alternators 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. We entrusted to specialist recycling companies. - Page 23 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 24 www.emersonindustrial.com www.leroy-somer.com/epg Connect with us at: 6149 en - 2023.07 / a...