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TAL A42 Low Voltage Alternators - 4 pole Installation and maintenance Three-phase 6 and 12-wire Dedicated single-phase 4-wire...
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Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 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, Before using your machine for the first time,...
Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 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 (< 90%); after a long Our alternators comply with most period of storage, check the machine international standards.
Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole 2 - TECHNICAL CHARACTERISTICS 2.2 - Mechanical characteristics - Steel frame 2.1 - Electrical characteristics - End shields in aluminum This machine is an alternator without Sealed for life bearings sliprings and revolving field brushes,...
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Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole • SHUNT three-phase 6-wire...
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Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole • SHUNT three-phase 12-wire...
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Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole • AREP+ three-phase 6...
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Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole • PMG three-phase 6 or 12-wire...
Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 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. After handling the machine using the 3.1 - Assembly lifting ring, snap on the plastic cover provided in the maintenance manual...
Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole 3.2 - Checks prior to first use - the winding connection corresponds to the site operating voltage (see section 3.3). • Electrical checks 3.3 - Terminal connection diagrams To modify the connection, change the position of the stator cables on the terminals.
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Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole • SHUNT three-phase 6-wire • AREP+ or PMG three-phase 6-wire...
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Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole • SHUNT, AREP or PMG three-phase 12-wire...
Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 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.
Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole 4 - SERVICING - MAINTENANCE 4.1 - Safety measures Servicing or troubleshooting must be carried out strictly in accordance with Do not use: trichlorethylene, perchlo- instructions so as to avoid the risk of rethylene, trichloroethane or any alkaline accidents and to maintain the machine in...
Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 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 Excessive overheating of one or...
Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 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 The alternator builds up but...
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Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole Assembly A: Connect a 12 V battery in • Checking the winding 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.
Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole 4.6 - Dismantling, reassembly • Access to connections and the regulation system The terminals and AVR are accessed directly by removing the terminal box lid During warranty period,...
Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole • Replacing the NDE bearing on single - Rest the rotor on one of its poles, then slide it out. Use the tube as a lever arm to assist bearing machines dismantling.
Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole Dedicated single-phase M1: 4-pole 4.8- Table of characteristics SHUNT excitation 4-wire Table of average values: Resistances at 20 °C (Ω) – Series Alternator - 4 pole - 50 Hz - Winding no. connection 6S (6-wire) - no.
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Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole Three-phase: 4-pole Table of weights SHUNT&AREP+ excitation 6 and 12-wire (values given for information only) Resistances at 20 °C (Ω) Dedicated single-phase M and M1: Type L/N stator Rotor Field coil Armature Total weight...
Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole 5 - SPARE PARTS 5.1 - First maintenance parts Emergency repair kits are available as an option. After operational testing, it is essential to They contain the following items: replace all access panels or covers.
Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole 5.4 - Exploded view, parts list and tightening torque • Single bearing, SHUNT or AREP...
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Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole Bolt Torque Bolt Torque Ref. Qty Description Ref. Qty Description Ø Ø AVR access panel Stator assembly ±0.4 Non drive end Rotor assembly (NDE) bearing Preloading (wavy) washer Earth terminal...
Installation and maintenance Electric Power Generation 5875en–2022.03/f TAL A42 Low Voltage Alternators - 4 pole Disposal and recycling instructions The oil and grease from the lubrication system should be considered as a We are committed to limit the environmental hazardous waste and has to be handled impact of our activity.