INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 1 - RECEIPT 6 - DISMANTLING, REASSEMBLY Standards and safety measures....3 6.1 Tools Required..........18 Inspection...........3 6.2 Screw Tightening Torque........18 Identification..........3 6.3 Accessing, Checking and replacing diodes..18 Storage............3 6.4 Replacing the NDE bearing on a single bearing m/c............19...
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Warning symbol for general danger to personnel. Warning symbol for electrical danger to personnel. Note: LEROY-SOMER reserves the right to modify the characteristics to its products at any time in order to incorporate the latest technological development.
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 1- RECEIPT 1.3 Identification The ac generator is identified by means of a 1.1.Standards and safety measures nameplate fixed on the frame. Make sure that the nameplate on the machine Our ac generators comply with most international conforms to your order.
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 2 - TECHNICAL CHARACTERISTICS 2.1 Electrical characteristics The LSAP alternator is a machine without sliprings and revolving field brushes, will have”2/3 pitch”, 6-wire, with class ‘H’...
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 2.4 - SHUNT system with R201/R203 AVR R201 AVR for LSAP42/43/44: R203 AVR for LSAP40 LSAP42/43/44 SHUNT version STATOR : 6 wires (markedT1 to T6) SERIES Connection R 201...
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 3 -INSTALLATION Tighten the coupling discs screws to the recommended 3.1 Assembly torque and check that there is lateral play on the crankshaft.
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS Note: Prolonged standstill: In our order to avoid these 3.3 Terminal Connection diagrams problems, we recommend the use of space heaters, as To modify the connection, change the position of well as turning over the machine from time to time.
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INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 3.3.1 - Mechanical checks Before starting the machine for the first time check that : - the fixing bolts on the feett are tight. - the cooling air is drawn in freely.
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 4. AVR 3.3.4 Connection checks 4.1 R 120 / R 121 / D 120 Electrical installations must comply with the current legislation in force in the country of use.
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 4.2 AVR CONNECTION DIAGRAM The AVR or Automatic Voltage Regulator type R-120 is state - of the -art advanced electronic voltage regulator which ensures high voltage regulation within ±1%.
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INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS...
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INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 4.2a AVR PARAMETER R-120 R-121 D-120 Remote voltage adjustment Remote voltage indication Over excitation indication Flickering Adjustment 1ph Indication Phase shift Adjustment Characteristics - Voltage regulation: ±...
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INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 4.3 - R201 & 203 4.3.1 AVR introduction Sensing Input Thermal Drift 170~260 VAC or 370~460VAC, 0.03% per ºC change in AVR ambient Voltage External Volts Adjustment 1 phase 2 wire jumper selectable...
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INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 4.3.3 AVR DIAGRAM R201 R201 3 Phase 1 Phase ROTATING RECTIFIER EXCITER ROTOR EXCITER STATOR TYPIC MAIN STATOR TYPIC MAIN STATOR 200V F + F - N V U F + F - N V U...
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 5 - SERVICING, MAINTENANCE These instructions apply to the alternator of which you have just taken possession. We would like to draw your attention to the contents of this maintenance manual. 5.1 SAFETY MEASURES A) During operation, prohibit the parking of any person in front of the air outlet grills...
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 5.2 Electrical faults Action Fault Effect Check/Cause Connect a new No Voltage The alternator builds up - Lack of residual magnetism at no load battery of 4 to 12 but its voltage does not...
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 5.3 Checking the winding Assembly A : Connect a 12 V battery in series with rheostat of approximately 50 ohms 300 W and a You can check the winding ins insulation by performing diode on both field wires (+) and (-).
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 6.2. Screw tightening torque 6- DISMANTLING, REASSEMBLY IDENTIFICATION SCREW Ø Torque N.m During the warranty parlod, this operation should 4N.M Field term. block screw only be esrried out in an approved workshop or in Field screw 10N.m...
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 6.4 Replacing the NDE bearing on a single bearing machine 6.4.1 Dismantling 6.4.2 Reassembly the corresponding diameter on the shaft end or an - Heat the inner slipring of a new bearing by induction support made according the following bellow.
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 7 - SPARE PARTS 7.1 First maintenance parts Emergency repair kits are available as an option. They contain the following items : Qty.
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 8 - Exploded view, parts list and tightening torque 8.1 - LSAP 40 Single bearing SL. No. QUANTITY DESCRIPTION Terminal Box top cover Terminal Box Terminal Bar Wound Exciter Stator...
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 8.2 - LSAP 42.3 Single bearing SL. No. QUANTITY DESCRIPTION Terminal Box top cover Terminal Box Terminal Bar Wound Exciter Stator Wound Exciter Rotor DE Adaptor O Ring...
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS All the materials listed above must suitably Disposal and recycling instructions processed to separate the waste from the We are committed to limiting the recoverable materials and must be entrusted environm ental impact of our business.
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 11. WARRANTY CERTIFICATE Ref No. Date: This is to certify that the AC Generator mentioned here under is warranted against inherent manufacturing defects under normal use and preventive maintenance.
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS 12. WARRANTY CLAUSE The period of warranty is for TWELVE calendar months from the date of commissioning or EIGHTEEN calendar months from the date of dispatch whichever is earlier.
INSTALLATION AND MAINTENANCE Electric Power Generation LSAP 40 / 42.3 / 44.3 / 45 / 46.2-4 POLE A.C. GENERATORS CLIMATE AND ENVIRONMENT 1) Anti-Condensation heaters (SPACE HEATERS) Space heaters are recommended in areas of high humidity. Condensation will form on all surfaces which are cooler than ambient temperature.
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Nidec Industrial Automation Nidec Industrial Automation India Private Ltd. India Private Ltd. #45, Nagarur, Huskur Road, # 64/A, Main Road, Off Tumkur Road, Tarihal Industrial Area, Bengaluru - 562 162, India Tarihal, Hubli - 580 026. India T: +91 80 6726 4800 Tel.
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