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Manual for Induction Motors and Generators

82 -

Maintenance

3BFP 000 050 R0101 REV E

7.6.4.4 Stator winding insulation resistance measurement

The insulation resistance is measured using an insulation resistance meter. The test voltage is
1000 VDC. The test time is 1 minute, after which the insulation resistance value is recorded.
Before the insulation resistance test is conducted, the following actions must be taken:

•

Check that the secondary connections of the current transformers (CT's), including spare
cores are not open. See

Figure 7-7 Connections of the stator windings for insulation

resistance measurements

•

Verify that all power supply cables are disconnected

•

Verify that the frame of the machine and the stator windings not being tested are earthed

•

The winding temperature is measured

•

All resistance temperature detectors are earthed

•

Possible earthing of voltage transformers (not common) must be removed.

The insulation resistance measuring should be carried out in the terminal box. The test is usually
performed to the whole winding as a group, in which case the meter is connected between the
frame of the machine and the winding; See

Figure 7-7 Connections of the stator windings for

insulation resistance measurements

. The frame is earthed and the three phases of the stator

winding remain connected at the neutral point, see

Figure 7-7 Connections of the stator

windings for insulation resistance measurements

If the measured insulation resistance of the whole winding is lower than specified, and the phase
windings can easily be disconnected from each other, each phase can also be measured
separately. This is not possible for all machines. In this measurement, the tester is connected
between the frame of the machine and one of the windings. The frame and the two phases not
measured are earthed; see

Figure 7-7 Connections of the stator windings for insulation

resistance measurements

When phases are measured separately, all star-points of the winding system must be removed. If
the star-point of the component cannot be removed, as in a typical tri-phase voltage transformer,
the whole component must be removed.

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Содержание AMA Series

Страница 1: ...Manual for Induction Motors and Generators ABB ...

Страница 2: ...t use degrees of protection IP23 outdoors Air cooled models are typically designed for ambient temperatures of 20 C up to 40 C and altitudes of 1000 m above sea level Ambient temperature for air water cooled models should be not less than 5 C for sleeve bearing machines see manufacturer s documentation By all means take note of deviating information on the rating plate Field conditions must confor...

Страница 3: ...ting plate markings and connection diagram in the terminal box The connection must be made in a way that the permanent safe electrical connection is maintained Use appropriate cable terminals Establish and maintain safe equipotential bonding The clearances between uninsulated live parts and between such parts and earth must not be below the values of appropriate standards and values possibly given...

Страница 4: ...o equalise the potentials When the motor and the gearbox are mounted on a common steel fundament no potential equalisation is required To comply with EMC requirements use only cables and connectors approved for this purpose See instruction for frequency converters Additional Safety Instructions for Permanent Magnet Synchronous Machines Electrical connection and operation When the machine shaft is ...

Страница 5: ... belong to the machine and wastes must be removed from the interior of the machine NOTE Beware of magnetic stray fields and possible induced voltages when rotating the separate rotor of a permanent magnet synchronous machine as they may cause damage to surrounding equipment for example lathes or balancing machines Additional Safety Instructions for Electrical Motors for Explosive Atmosphere NOTE T...

Страница 6: ...tion Machines sizes 315 to 450 Increased safety Ex e AMA Induction Machines sizes 315 to 500 AMB Induction Machines sizes 560 to 630 AMI Induction Machines sizes 560 to 630 HXR Induction Machines sizes 315 to 560 Pressurisation Ex pxe Ex pze Ex px Ex pz AMA Induction Machines sizes 315 to 500 AMB Induction Machines sizes 560 to 630 AMI Induction Machines sizes 560 to 630 HXR Induction Machines siz...

Страница 7: ...A protection IEC 61241 0 Std concerning General Requirements for combustible dust IEC 61241 1 Std concerning combustible dust Ex tD protection NFPA 70 National Electric Code NEC C 22 1 98 Canadian Electrical Code Part I CE Code ABB machines valid only for group II can be installed in areas corresponding to following marking Atmosphere EN G explosive atmosphere caused by gases D explosive atmospher...

Страница 8: ...for advises from ABB Oy Be sure that air gap between rotor and stator is measured after any maintenance for the rotor or bearings The air gap shall be the same in any point between stator and rotor Centralize the fan to the center of the fanhood or the air guide after any maintenance The clearance shall be at least 1 of the maximum diameter of the fan and in accordance with standards Connections i...

Страница 9: ...lation Before starting check the need to purge the machine enclosure to make sure that the enclosure is free of flammable gases Based on the risk assessment the customer and or the local authorities will make the decision whether the customer needs to use the pre start ventilation or not NOTE If there are any conflicts between these safety instructions and the user manual these safety instructions...

Страница 10: ...ne 11 2 4 Checks upon arrival and unpacking 12 2 4 1 Check upon arrival 12 2 4 2 Check upon unpacking 12 2 5 Installation instructions for main terminal box and cooler parts 12 2 5 1 Installation of main terminal box 12 2 5 2 Installation of cooler parts 13 2 6 Storage 13 2 6 1 Short term storage less than 2 months 13 2 6 2 Long term storage more than 2 months 14 2 6 3 Rolling bearings 15 2 6 4 Sl...

Страница 11: ...26 3 5 5 2 Covers and enclosures 27 3 5 6 Installation of flange mounted machines on steel foundation 27 3 6 Alignment 27 3 6 1 General 27 3 6 2 Rough levelling 28 3 6 3 Rough adjustment 28 3 6 4 Correction for thermal expansion 30 3 6 4 1 General 30 3 6 4 2 Thermal expansion upwards 30 3 6 4 3 Thermal axial growth 31 3 6 5 Final alignment 31 3 6 5 1 General 31 3 6 5 2 Run out of the coupling halv...

Страница 12: ...n resistance measurements 44 5 4 Check of electrical installation 44 5 5 Control and protection equipment 45 5 5 1 General 45 5 5 2 Stator winding temperature 45 5 5 2 1 General 45 5 5 2 2 Resistance temperature detectors 46 5 5 2 3 Thermistors 46 5 5 3 Bearing temperature control 46 5 5 3 1 General 46 5 5 3 2 Resistance temperature detectors 46 5 5 3 3 Thermistors 46 5 5 4 Protection equipment 46...

Страница 13: ...Cooling system 63 7 4 Maintenance of general constructions 64 7 4 1 The tightness of fastenings 64 7 4 2 Vibration and noise 65 7 4 3 Vibrations 66 7 4 3 1 Measurement procedures and operational conditions 66 7 4 3 2 Classification according to support flexibility 67 7 4 3 3 Evaluation 67 7 5 Maintenance of bearings and lubrication system 68 7 5 1 Sleeve bearings 69 7 5 1 1 Oil level 69 7 5 1 2 Be...

Страница 14: ... 1 2 Wear 85 7 7 2 Care of brush gear 85 7 7 2 1 Brush pressure 86 7 8 Maintenance of cooling units 86 7 8 1 Maintenance instructions for machines with open air cooling 86 7 8 1 1 Cleaning of filters 87 7 8 2 Maintenance instructions for air to water heat exchangers 87 7 8 3 Maintenance instructions for air to air heat exchangers 87 7 8 3 1 Air circulation 87 7 8 3 2 Cleaning 88 7 8 4 Maintenance ...

Страница 15: ...ction of the most suitable spare part package 112 9 2 5 Typical recommended spare parts in different sets 112 9 2 5 1 Operational spare part package 112 9 2 5 2 Recommended spare part package 113 9 2 5 3 Capital spare parts 113 9 2 5 4 Operational spare part package 113 9 2 5 5 Recommended spare part package 114 9 2 5 6 Capital spare parts 114 9 2 5 7 Operational spare part package 115 9 2 5 8 Rec...

Страница 16: ... improvement suggestions For contact information see Chapter 9 1 5 After Sales contact information NOTE These instructions must be followed to ensure safe and proper installation operation and maintenance of the machine They should be brought to the attention of anyone who installs operates or maintains this equipment Ignoring the instruction invalidates the warranty 1 2 Important note The informa...

Страница 17: ...information please see the back page of this User s Manual Please remember to provide the serial number of the machine when discussing machine specific issues 1 4 Documentation 1 4 1 Documentation of the machine It is recommended that the documentation of the machines is studied carefully before any actions are taken This manual and safety instructions are delivered with each machine and is locate...

Страница 18: ...t is stamped on the rating plate of the machine as well as on the machine frame The serial number must be provided in any future correspondence regarding a machine as it is the only unique information used for identifying the machine in question 1 5 2 Rating plate A stainless steel rating plate is attached permanently to the machine frame and it must not be removed For the location of the rating p...

Страница 19: ...frequency converter machines manufactured according to IEC Figure 1 3 Rating plate for direct on line machines manufactured according to NEMA 1 Type designation 2 Manufacturing year 3 Duty 4 Type of connection 5 Insulation class 6 Machine weight kg or lbs 7 Degree of protection IP class 8 Type of cooling IC code ...

Страница 20: ... IM code IEC 10 Additional info 11 Manufacturer 12 Serial number 13 Output kW or HP 14 Stator voltage V 15 Frequency Hz 16 Rotating speed rpm 17 Stator current A 18 Power factor cosf 19 CSA marking 20 Standard 21 Designation for locked rotor kVA HP NEMA 22 Ambient temperature C NEMA 23 Service factor NEMA ...

Страница 21: ...th oil and drained All oil in and outlets as well as oil tubes are plugged This gives sufficient protection against corrosion Following bullet for cooling method Air to water Air to water coolers are drained and the cooler in and outlets are plugged Machined metal surfaces such as the shaft extension are protected against corrosion with an anti corrosive coating In order to protect the machine pro...

Страница 22: ...ring plate for grease lubricated rolling bearings 1 Bearing type of D end 2 Bearing type of ND end 3 Lubrication interval 4 Quantity of grease for D end bearing 5 Quantity of grease for ND end bearing 6 Additional information 7 Type of grease delivered from factory Following figure for bearing type Sleeve bearing Figure 2 2 Bearing plate for sleeve bearings ...

Страница 23: ...ting work The weight of the machine is shown on the rating plate dimension drawing and packing list NOTE Use only the lifting lugs or eyes intended for lifting the complete machine Do not use any small additional lifting lugs or eyes available as they are there only for service purposes NOTE The center of gravity of machines with the same frame may vary due to different outputs mounting arrangemen...

Страница 24: ...d vertical machines in seaworthy packages 2 2 2 Lifting a machine on a pallet A machine mounted on a pallet should be lifted by crane from the lifting eyes of the machine see Figure 2 4 Lifting of horizontal and vertical machines on pallets or by forklift from the bottom of the pallet The machine is fixed to the pallet with bolts ...

Страница 25: ... vertical machines on pallets 2 2 3 Lifting an unpacked machine Suitable lifting equipment must be used The machine should always be lifted by crane from the lifting eyes on the frame of the machine see Figure 2 5 Lifting of unpacked machines The machine should never be lifted by forklift from the bottom or the feet of the machine ...

Страница 26: ...lly mounted machines may be necessary to turn from vertical to horizontal position e g when changing the bearings and vice versa This is shown in Figure 2 6 Machine with turnable lifting eyes lifting and turning Avoid damaging the painting or any parts during the procedure Remove or install the bearing locking device only when the machine is in vertical position Figure 2 6 Machine with turnable li...

Страница 27: ...OMMISSIONING REPORT For correct recycling and disposal of the packaging material see Chapter 10 3 Recycling of packaging material 2 5 Installation instructions for main terminal box and cooler parts These instructions are applied when the machine is delivered on site with disassembled main components such as the main terminal box or cooler parts Refer to the Dimension Drawing included in the proje...

Страница 28: ...owing instructions 1 Open the package of the cooler cooler parts and lift the part s using a suitable lifting device for example a crane from the lifting eyes of the package 2 Check that all connection parts are free of dust and dirt 3 Check the correct installation positions from the Dimension Drawing delivered with the project documentation 4 Check that all connection parts bolts washers and nut...

Страница 29: ...tion If the machine is left in its transportation package large enough ventilation openings must be made in the package Protected from harmful insects and vermin Use checklists in Chapter 2 Storage in Appendix COMMISSIONING REPORT 2 6 2 Long term storage more than 2 months In addition to the measures described with short term storage the following should be applied Measure the insulation resistanc...

Страница 30: ... be well lubricated during storage Acceptable grease types are presented in Chapter 2 1 2 Bearing plate Turn the rotor 10 revolutions every three months to keep the bearings in good condition Remove any possible transport locking device during turning the rotor Machines may be provided with a locking device to protect the bearings against damage during transport and storage Check the bearing locki...

Страница 31: ...for mounting type Horizontal Table 2 1 Tightening torque for horizontal machines lubricated screw Axially locating bearing type Tightening torque Nm Tightening torque pound foot 6316 45 33 6317 50 37 6319 60 44 6322 120 90 6324 140 100 6326 160 120 6330 240 180 6334 300 220 6034 140 100 6038 160 120 6044 230 170 ...

Страница 32: ... is longer than two years the bearing has to be taken apart and treated separately The bearings should be opened and all parts inspected after storage and before commissioning Any corrosion must be removed with a fine emery cloth If the shaft has left imprints on the lower liner half it must be replaced with a new one Machines with sleeve bearings are provided with a transport locking device to pr...

Страница 33: ...ey are to be sealed The coolers and the piping within the machine are to be cleaned and dried before they are sealed The drying is made by blowing warm and dry air through the pipes 2 7 Inspections records The storage period taken precautions and measurements including dates should be recorded For relevant check lists see Appendix COMMISSIONING REPORT Axially locating bearing type Tightening torqu...

Страница 34: ...tions such as bearings The foundation must be strong rigid flat and free from external vibration The possibility of machine resonance with the foundation has to be verified In order to avoid resonance vibrations with the machine the natural frequency of the foundation together with machine must not be within a 20 range of the running speed frequency A concrete foundation is preferred however a cor...

Страница 35: ...Remove the transport locking device when applicable Store it for future use See Chapter 3 3 2 Disassembly of the transport locking device for further instructions Verify that the grease available is according to the specification on the bearing plate see Chapter 2 1 2 Bearing plate Additional recommended greases can be found in Chapter 7 5 3 5 Bearing grease Following bullet and note for bearing t...

Страница 36: ...ssible between the coupling halves in order to permit thermal expansion of the machine shaft without damaging the bearings The expected axial thermal expansion of the rotor can be calculated as defined in the Chapter 3 6 4 Correction for thermal expansion Following paragraph for mounting type Vertical Vertical machines may be designed to carry some load from the shaft of the driven machine If this...

Страница 37: ... drive Machines designed for belt drives are always equipped with cylindrical roller bearing in the D end If a belt drive is used make sure that the driving and the driven pulleys are correctly aligned NOTE Suitability of the shaft end and the bearings for the belt drive must be always checked before use Do not exceed the radial force specified in the order definitions 3 3 6 Drain plugs The machin...

Страница 38: ...e rotor during alignment With outdoor installations provide sun and rain protection to eliminate measuring errors during installation NOTE Machines are delivered with jacking screws for vertical adjustment at each foot 3 4 3 Foundation preparations 3 4 3 1 Foundation and grouting hole preparations Foundation studs or sole plates are used when the machine is anchored to a concrete foundation Consid...

Страница 39: ...w the greased leveling screws into the foundation studs part 5 or sole plates Wrap a layer of tape around the upper part of the anchor bolts part 2 according to Figure 3 1 Typical foundation stud assembly The tape will prevent the upper part of the bolt from being stuck in the concrete and enables it to be retightened after the concrete has set Fit the anchor bolt part 2 in the foundation plates p...

Страница 40: ... marking of the axial location A vertical alignment is made with the leveling screws Required positioning accuracy is within 2 mm 80 mil 3 4 5 Alignment The alignment is made as described in Chapter 3 6 Alignment 3 4 6 Grouting The grouting of the machine into the foundation is a very important part of the installation The instructions of the grouting compound supplier must be followed Please use ...

Страница 41: ...y does not normally include installation shim plates or mounting bolts These are delivered according to special orders If new fixing holes need to be drilled please contact ABB to ensure suitability 3 5 2 Check of foundation Before lifting the machine onto the foundation the following checks should be made Clean the foundation carefully The foundations shall be flat and plain parallel within 0 1 m...

Страница 42: ...port locking devices for future use Following chapter only for mounting type Vertical 3 5 6 Installation of flange mounted machines on steel foundation The purpose of a mounting flange for vertically mounted machines is to enable an easy installation and coupling connection as well as an easy inspection of the coupling during operation In order to fit the ABB machines the mounting flanges shall be...

Страница 43: ... Rough levelling In order to facilitate the alignment and enable the mounting of shims jacking screws are fitted to the feet of the machine see Figure 3 3 Vertical positioning of machine foot The machine is left standing on the jacking screws Note that the machine must stand on all four feet screws on a plain parallel within 0 1 mm 4 0 mil or better If this is not the case the frame of the machine...

Страница 44: ...ng of the bracket plate shows bracket plate mounted to concrete foundation place similar bracket plate on steel foundation Following paragraph for bearing type Sleeve bearing with axial float The sleeve bearing in the D end is equipped with a pointer for showing running center which is marked with a groove on the shaft There are also grooves on the shaft for rotor mechanical end float limits The p...

Страница 45: ...rom the feet during operation than standstill It may therefore be necessary to use heat compensated alignment depending on the operating temperature of the driven machine coupling type distance between machines etc 3 6 4 2 Thermal expansion upwards The thermal expansion of the distance between the feet and the shaft center of the electrical machine can be approximately calculated according to the ...

Страница 46: ...nt is made with dial gauges although there is other and more exact measuring equipment on the market The reason for using dial gauges in this text is to provide some alignment theory NOTE Measurements should be made only after proper shimming and with fixing bolts properly tightened NOTE The final alignment measurements should always be recorded for future reference 3 6 5 2 Run out of the coupling...

Страница 47: ... in serious vibrations and damage to both driving and driven machine The alignment is done in accordance with the recommendations given by the coupling manufacturer Parallel angular and axial alignment of the machine is required Some standard publications give recommendations for coupling alignment e g BS 3170 1972 Flexible couplings for power transmission In accordance with common practice parall...

Страница 48: ... the axial end float see Chapter 3 6 3 Rough adjustment Following note for bearing type Sleeve bearings NOTE Sleeve bearings must be filled with oil before turning 3 Mount the alignment equipment If gauges are used it is practical to adjust the dial gauge in such way that approximately half of the scale is available in either direction Check the rigidity of the gauge brackets in order to eliminate...

Страница 49: ...d tighten the fixing bolts 8 Check the alignment again Make corrections if necessary 9 Draw up a record for future checks 10 Re tighten nuts and lock the nuts by tack welds or hitting sufficiently hard with a center punch 11 Dowel the feet of the machine for easy future re installation of the machine see Chapter 3 4 7 1 Dowelling of the machine feet 3 6 5 5 Permissible misalignment Definite alignm...

Страница 50: ...placed under the feet of the machine Following note for bearing type Rolling bearing NOTE External vibration will damage the bearing rolling surfaces and therefore shorter the bearing lifetime Following note for bearing type Sleeve bearing NOTE External vibration will damage the bearing sliding surfaces and therefore shorter the bearing lifetime Coupling Information Permissible Misalignment Coupli...

Страница 51: ...s designed for cooling airflow to and or from the machine with air ducts have connection flanges as specified in the dimensional drawing Clean the air ducts thoroughly before connecting them to the machine and check for possible obstructions in the ducts Seal the joints with appropriate gaskets Check for possible leaks in the air ducts after they have been connected Following chapter for cooling m...

Страница 52: ...ded inhibitor Manufacturer ASHLAND Product RD 25 which is suitable for steel copper aluminium and many other materials Use only suitable and high class connection parts and seals to connect the machine to the water circuit Check for possible leaks after the piping and joints have been connected Following chapter for bearing type Sleeve bearing 4 2 3 Sleeve bearing oil supply Machines with flood lu...

Страница 53: ...ne is kept under over pressure to keep hazardous gases from entering the machine Purging and pressurizing air supply is connected to the flange provided on the air control unit The air supply pressure must be between 4 and 8 bar Required flow rate during purging and pressurizing is specified on the Ex certificate For more detailed information of the control system see the supplier s instruction ma...

Страница 54: ...agnet synchronous machine If there is uncertainty concerning the compatibility of the permanent magnet synchronous machine and the frequency converter please contact ABB Sales Office 4 3 2 Safety Electrical work must be carried out only by skilled persons The following safety rules must be applied De energize all equipment including auxiliary equipment Provide safeguard against re energizing the e...

Страница 55: ...the terminal arrangement is responsible for ensuring that adequate stator connection cable supports are used The stator connection cable arrangement has to be spacious in order to avoid overheating of the cables Stator connection cables must not touch sharp corners The minimum bending radius of stator connection cable is 6 times the cable outer diameter 4 3 5 Insulation distances of main power con...

Страница 56: ... shielded symmetrical cables and cable glands providing 360 bonding also called EMC glands Following paragraph for rotor type Slip rings 4 3 7 Secondary cables for slip ring connections The slip ring housing at the non drive end of the machine serves as a terminal box for the secondary cables and it has the same degree of protection as the machine The cables can be connected from either side The c...

Страница 57: ... motor rating plate shows the voltage and frequency to be used The direction of rotation of the fan is indicated by an arrow plate on the flange of the main machine NOTE Check visually the direction of rotation of the external blower motor fan before starting the main machine If the blower motor is running in the wrong direction the phase sequence of the blower motor must be changed 4 3 9 Earth co...

Страница 58: ...ard for industrial environment EN 50081 2 For further information see ABB manual Grounding and cabling of the drive system 3AFY 61201998 R0125 REV A 4 3 10 2 Earthing of main cable The compliance with EMC directive requires high frequency earthing of the main cable This is achieved by a 360 earthing of the cable screens at the cable entries in both the machine and in the frequency converter The ea...

Страница 59: ...hored to the foundation Check for cracks in the foundation and the general condition of the foundation Check the tightness of the mounting bolts Additional checks when applicable Check that the lubrication system is commissioned and is running before the rotor is turned If possible turn the rotor by hand and make sure that the rotor turns freely and that no abnormal sound can be heard Check the as...

Страница 60: ...ature detectors RTD Pt 100 should be set as low as possible The level can be determined based on the test results or the noticed operating temperature The temperature alarm can be set 10K 20 F higher than the operating temperature of the machine during maximal load at highest ambient temperature If a two function temperature monitoring system is used the lower level is normally used as an alarm le...

Страница 61: ... and the bearing will fail and possibly shaft damage will occur as a result If the machine is equipped with resistance temperature detectors the temperature of the bearings should preferably be monitored continuously If the temperature of a bearing unexpectedly starts to rise the machine should be shut down immediately as the temperature rise might indicate a bearing failure 5 5 3 2 Resistance tem...

Страница 62: ...sures must be made If the coupling half is not assembled the shaft extension key is either locked or removed Following bullet for bearing type Sleeve bearing The sleeve bearing oil reservoirs and possible oil supply systems are filled with recommended oil to the correct level The oil supply system is turned on Following bullet for bearing type Rolling bearing The rotor is turned by hand and it is ...

Страница 63: ...n inner and or outer cooling circuit must be changed as well as the stamp on the rating plate To alter the direction of rotation interchange the power supply phases Following chapter for rotor type Slip rings 5 6 3 2 Starting of machines with slip rings Machines with slip rings cannot be operated without a starter The starter is typically a variable resistance connected to each rotor phase via the...

Страница 64: ...mparing the load current with the value given on the rating plate of the machine Record the temperature readings given by the temperature detectors placed in the windings and possibly in the bearings Check the temperatures frequently to ensure that they remain below the limits Continuous temperature monitoring is recommended NOTE If resistance temperature detector RTD Pt 100 or equivalent is not a...

Страница 65: ...through bearing arrangement of horizontal machine Figure 5 1 Example of lubrication channel through bearing arrangement of horizontal machine NOTE The re lubrication interval will never be longer than 12 months The type of original grease used is found on the bearing plate on the machine Acceptable types of grease can be found in Chapter 7 5 3 Rolling bearings The temperature of the bearings will ...

Страница 66: ...ting the machine must be stopped immediately as a stopped oil ring will result in bearing failure For flood lubricated machines the oil supply pressure is adjusted with the pressure valve and orifice The normal supply pressure is 125 kPa 25 kPa 18 psi 4 psi This gives the right flow of oil to the bearing Using higher supply pressure gives no additional benefit but can cause bearing oil leakages Th...

Страница 67: ...icable and air is circulating without any obstruction Following chapter for rotor type Slip rings 5 7 7 Slip rings Check that the brushes on the slip rings are not sparking 5 8 Shut down The shutdown of the machine depends on the application but main guidelines are Reduce the load of the driven equipment if applicable Open the main breaker Switch possible anti condensation heaters on if not automa...

Страница 68: ... rotor NOTE Overloading the machine may cause demagnetization of the permanent magnets as well as winding damages 6 2 Normal operating conditions The machines manufactured by ABB are individually designed to operate in normal operation conditions according to the IEC or NEMA standards customer specifications and internal ABB standards The operation conditions such as maximum ambient temperature an...

Страница 69: ...e equipment This is essential in order to detect and fix abnormal occurrences in time The difference between supervision and maintenance is rather diffuse Normal supervision of operation includes logging of operating data such as load temperatures and vibrations This data is useful basis for maintenance and service During the first period of operation 200 hours supervision should be intensive Temp...

Страница 70: ... conditions an even layer of brown patina will form on the slip rings during the first few hours of operation Check the tightness of the slip ring housing Water grease oil or dust should not be permitted to enter the housing 6 5 Follow up The follow up of operation includes logging of operating data such as load temperatures and vibrations This data is useful basis for maintenance and service 6 6 ...

Страница 71: ...intenance By intensifying maintenance and supervision activities the reliability of the machine and the long term availability will increase The data obtained during supervision and maintenance is useful for estimating and planning additional service In case some of this data indicates something out of the ordinary the trouble shooting guides in Chapter 8 Trouble Shooting will aid in locating the ...

Страница 72: ...his maintenance program is of a general nature and should be considered as a minimum level of maintenance Maintenance should be intensified when local conditions are demanding or very high reliability is required It should also be noted that even when following this maintenance program normal supervision and observation of the machine s condition is required Please note that even though the mainte...

Страница 73: ...d out whether there are problems in the operation of the machine and to do small repairs to ensure uninterrupted operation The maintenance can be estimated to last approximately 8 16 hours depending on the type and installation of the machine and the amount of servicing to be done Tools for this maintenance include normal servicing tools multi meter torque wrench and insulation resistance tester T...

Страница 74: ...ame tools as for L3 and in addition the rotor removal equipment The preparations consist of opening the inspection covers bearings and water cooler if applicable and the removal of rotor The amount of spare parts required for this level of maintenance needs to be determined before the maintenance At least the Recommended spare part is needed Spare parts included in the capital spare part package w...

Страница 75: ...2 L3 L4 Check Test Machine operation V T V T V T V T Starting shut down vibration measurement no load point Mounting and foundation V V T V T V T D Cracks rust alignment Exterior V V V V Rust leakage condition Fastenings V V T V T V T Tightness of all fastenings Anchor bolts V V V T V T Fastening condition Maintenance object L1 L2 L3 L4 Check Test High voltage cabling V V T V T V T D Wear fastenin...

Страница 76: ...ion damages Stator slot wedges V V V V Movement tightness Stator terminal bars V V V V Fixing insulation Instrumentation V V V V Condition of cables and cable ties Rotor winding insulation V V T V T C V T C Wear cleanliness insulation resistance Rotor balancing weights V V V V Movement Shaft V V V V Crack corrosion Connections in rotor V V V T V T Fixing general condition Earthing brushes V V V V ...

Страница 77: ... heaters V V T V T V T Operation insulation resistance Encoders V V V t V T Operation general condition alignment Auxiliary terminal boxes V V T V T V T General condition terminals wiring condition Maintenance object L1 L2 L3 L4 Check Test Bearing during operation T T T R T R General condition extra noise vibration Waste grease V V C V C V C Condition purging Re greasing V V R V R V R According to...

Страница 78: ...st Fan s V V V V Operation condition Filters V C V C V C R V C R Cleanliness operation Air ways V V C V C V C Cleanliness operation Maintenance object L1 L2 L3 L4 Check Test Fan s V V V V Operation condition Tubes V V C V C V C Cleanliness operation Ducts V V C V C V C Cleanliness operation Plate fins V V C V C V C General condition Vibration dampers V V V V Condition and profile Maintenance objec...

Страница 79: ...ghtness of fastenings The tightness of all fastenings should be verified regularly Special focus should be given to the grouting the anchor bolts and the rotor parts which must remain correctly tightened at all times Loose fastening in these parts can lead to sudden and severe damage to the entire machine General values for tightening torques are presented in Table 7 2 General tightening torques P...

Страница 80: ...the application type and foundation of the machine The vibration measurements and levels are discussed in detail in Chapter 7 4 3 Vibrations Some typical reasons that might cause high noise or vibration levels are Alignment see Chapter 3 Installation and Alignment Bearing wear or damage Vibration from connected machinery see Chapter 7 4 3 Vibrations Tightening torque in Nm pound feet Property clas...

Страница 81: ...ity or combinations of these see ISO 10816 1 However for machines with speeds approaching or below 600 r min the lower limit of the flat response frequency range shall not be greater than 2 Hz Measurement locations Measurements will usually be taken on exposed parts of the machine that are normally accessible Care shall be taken to ensure that measurements reasonably represent the vibration of the...

Страница 82: ...the support system may be considered rigid in that direction All other support systems may be considered flexible 7 4 3 3 Evaluation ISO 10816 1 provides a general description of the two evaluation criteria used to assess vibration severity on various classes of machines One criterion considers the magnitude of observed broad band vibration the second considers changes in magnitude irrespective of...

Страница 83: ...ular machine It is recommended that the ALARM value should be set higher than the baseline by an amount equal to 25 of the upper limit for zone B If the baseline is low the ALARM may be below zone C Setting of TRIPS The TRIP values will generally relate to the mechanical integrity of the machine and be dependent on any specific design features which have been introduced to enable the machine to wi...

Страница 84: ...The reasons for abnormal bearing temperature vary but for some possible reason see Chapter 7 5 2 Lubrication of sleeve bearings or Chapter 8 1 2 Lubrication system and bearings If the temperature rise is followed by an increase in vibration levels the problem might also be related to the machine s alignment see Chapter 3 Installation and Alignment or to damage in the bearing shells in which case t...

Страница 85: ... be free from debris and its cleanliness according to ISO 4406 class 18 15 or NAS 1638 class 9 The quantity of metal impurities should be less than 100 PPM An increasing trend of the value means that the bearing is wearing The total acid number TAN should not exceed 1 mg KOH per gram of oil Please note that the TAN value is not the same as the TBN total base number value Smell the oil Strong acid ...

Страница 86: ...iscosity 68 cSt at 40 C ISO VG 100 Viscosity 100 cSt at 40 C Environmentally Benign Oils Aral Vitam EHF 22 Vitam EHF 46 Mobil EAL Hydraulic Oil 32 EAL Hydraulic Oil 46 Shell Naturelle HF E 32 Naturelle HF E 46 Naturelle HF E 68 Mineral Oils Aral Vitam GF 22 Vitam GF 32 Vitam GF 46 Vitam GF 68 Degol CL 100 T BP Energol CS 22 Energol CS 32 Energol CS 46 Energol CS 68 Energol CS 100 Castrol Hyspin AW...

Страница 87: ...re greasing interval is found on the bearing plate NOTE Regardless of the re greasing interval the bearings need to be re greased at least once per year The re greasing intervals are calculated for an operating temperature of 70 C 160 F If the operating temperature is lower or higher than the assumed the re grease interval has to be altered accordingly Higher operating temperature decreases the re...

Страница 88: ... is open if equipped with a handle open it Press the specified amount and type of grease into the bearing Let the machine run 1 2 hours in order to ensure that all excess grease is forced out of the bearing The bearing temperature may temporarily increase during this time If equipped with a handle close it NOTE Beware of all rotating parts during the re greasing Manual re greasing while the machin...

Страница 89: ...e between 1 5 and 3 For vertically or in hot conditions mounted machines NLGI grade 2 or 3 is recommended Have a continuous temperature range between 30 C 20 F and at least 120 C 250 F Grease with the correct properties is available from all major lubricant manufacturers If the make of grease is changed and compatibility is uncertain consult the manufacturing ABB factory see Chapter 9 1 5 After Sa...

Страница 90: ...mation 7 5 4 Bearing insulation and bearing insulation resistance check The bearing insulation resistance check is a maintenance operation made primarily in the factory during the final assembly and testing It should also be made during all comprehensive overhauls of the machine Good insulation is necessary in order to eliminate the possibility of circulating bearing currents which might be induce...

Страница 91: ...es any optional shaft earthing brush rotor earth fault brush and coupling if it is made out of conductive material must be removed Measure the insulation resistance from the shaft to earth using no more than 100 VDC see Figure 7 3 Measuring the insulation resistance of a sleeve bearing and Figure 7 4 Measuring the insulation resistance of a roller bearing The measuring points over the bearing insu...

Страница 92: ...rease of the insulation resistance caused by foreign agents salt dirt building up on the insulation surface the cleanliness of the bearing insulation and the end shield surfaces around it should be checked regularly and cleaned if necessary See Figure 7 5 Bearing insulation and end shield surfaces for areas that should be checked regularly and kept clean The areas are marked with a circle and the ...

Страница 93: ...e for Insulation Maintenance for Rotating Electrical Machinery 5 hp to Less Than 10 000 hp 7 6 1 Particular safety instructions for winding maintenance Some of the hazardous works of the winding maintenance include Handling of hazardous solvents varnishes and resins Hazardous substances are required for cleaning and re varnishing windings These substances can be dangerous if inhaled swallowed or i...

Страница 94: ...cumstances i e servicing of other machines and operating conditions as long as recommended servicing intervals are not exceeded 7 6 3 The correct operating temperature The correct temperature of the windings is ensured by keeping the exterior surfaces of the machine clean by seeing to the correct operation of the cooling system and by monitoring the temperature of the coolant If the coolant is too...

Страница 95: ...6 4 1 Conversion of measured insulation resistance values In order to be able to compare measured insulation resistance values the values are stated at 40 C The actual measured value is therefore converted to a corresponding 40 C value with the help of the following diagram The use of this diagram should be limited to temperatures fairly near to the standard value of 40 C since large deviations fr...

Страница 96: ...lation resistance values for dry windings should exceed the minimum values significantly Definite values are impossible to give because resistance varies depending on the machine type and local conditions In addition the insulation resistance is affected by the age and usage of the machine Therefore the following values can only be considered as guidelines The insulation resistance limits which ar...

Страница 97: ...ried out in the terminal box The test is usually performed to the whole winding as a group in which case the meter is connected between the frame of the machine and the winding See Figure 7 7 Connections of the stator windings for insulation resistance measurements The frame is earthed and the three phases of the stator winding remain connected at the neutral point see Figure 7 7 Connections of th...

Страница 98: ...s and measures Verify that all power supply cables are disconnected from the main supply Verify the slip ring unit connection cables are disconnected from their supply Verify that the frame of the machine and the stator windings are earthed The shaft is earthed The rotor winding phases not been tested are earthed The rotor winding can be internally connected in a delta or star connection If this i...

Страница 99: ...nding temperature is below 50ºC 122ºF it may be considered independent of temperature High temperatures can cause unpredictable changes in the polarization index therefore the test should not be used at temperatures above 50ºC 122ºF Dirt and humidity accumulating in the winding normally reduces the insulation resistance and the polarization index as well as their dependence on temperature Thus the...

Страница 100: ...surface it is normal behavior and in many cases a benefit to brush operation so the patina is not be considered as a fault in operation and should not be cleared away 7 7 1 1 Standstill period When a longer standstill period for the machine begins the brushes should be lifted up During transport storage installation or longer interruptions the sliding surfaces of the slip rings might be tarnished ...

Страница 101: ...r Air to water and Air to air 7 8 Maintenance of cooling units The cooling units normally require little maintenance but it is advisable to regularly check their condition in order to ensure trouble free operation Following chapter for cooling type Open air 7 8 1 Maintenance instructions for machines with open air cooling The cooling air is normally circulated by a fan and or by the rotor The fan ...

Страница 102: ...ing air is sufficiently clean the filters can be changed during operation They should regularly be cleaned by vacuuming first from the upstream side then on the discharge side Periodically a thorough wash with clean water is recommended to release any dirt not removed by vacuuming When heavy grease concentrations are encountered the filters should be washed with a detergent solution This solution ...

Страница 103: ...f the cooling surface and the tube wall will eventually occur This fouling reduces the cooling capacity The heat exchanger should therefore be cleaned at regular intervals to be determined from case to case depending of the properties of the cooling air During the initial period of operation the heat exchanger should be inspected frequently Blow the heat exchanger clean with compressed air or clea...

Страница 104: ...After Sales see Chapter 9 1 5 After Sales contact information Following note for protection type All machines for hazardous areas NOTE Machines in hazardous areas must only be serviced by repair shops qualified and authorized by ABB Following note for rotor type Permanent magnet NOTE The permanent magnet synchronous machine must only be serviced by repair shops qualified and authorized by ABB For ...

Страница 105: ...tating electrical machine The trouble shooting charts given below can aid in locating and repairing mechanical electrical and thermal problems and problems associated with the lubrication system The checks and corrective actions mentioned should always be conducted by qualified personnel If in any doubt the After Sales of ABB should be contacted for more information or technical assistance regardi...

Страница 106: ...oling system z z Machine misalignment Check machine alignment z z Rotor or shaft imbalance Rebalance rotor z z Vibration coming from connected machinery Check the balance of connected machinery and coupling type z z Axial load coming from connected machinery Check alignment and coupling function and type z z Faulty or incorrectly assembled coupling Check coupling function z Insufficient foundation...

Страница 107: ...nditions Check ABB operating and grease recommendations z z Excessive lubrication Clean bearing and add correct amount of lubricant z z Impurities in grease Change grease check bearing condition z z Bearing currents Check bearing and insulation condition z z Complete bearing failure Replace bearing z z Normal wearing Replace worn bearing parts z Faulty instrumentation Faulty temperature detector C...

Страница 108: ...aring assemblage and adjustments z z z Excessive amount of oil Clean bearing and add correct amount of lubricant z z z Oil impurities Change oil check bearing condition replace bearing shells z z Bearing currents Restore bearing insulation replace bearing shells z z Complete bearing failure Replace bearing parts z z Normal wearing Replace bearing shells z z Operating speed too low Check the operat...

Страница 109: ...aring assemblage and adjustments z z z Oil impurities Change oil check bearing condition replace bearing shells z z Bearing currents Restore bearing insulation replace bearing shells z z Complete bearing failure Replace bearing parts z z Normal wearing Replace bearing shells z z Operating speed too low Check the operating speed range of bearing z Faulty instrumentation Faulty temperature detector ...

Страница 110: ...check ventilation z z Dirty machine interior Clean machine parts and air gaps z z Faulty cooling arrangement Inspect cooling arrangement condition and correct assembly z z Air intakes are blocked Clear air intakes of debris z z Air filter is clogged Clean or replace air filters z z Damaged cooling fan s Replace fan s z z Cooling fan rotating in the wrong direction Replace fan s or change rotating ...

Страница 111: ...l blower motor operation z z Leaking cooler Repair cooler z z Ambient temperature too high Add ventilation to decrease ambient temperature z z Exiting air is pulled back in Ensure sufficient clear distances surrounding the cooler z z Heat source nearby Place heat sources further away check ventilation z Overload Control system setting Check machine controls eliminate overload z z Overspeed Check a...

Страница 112: ... clean pipes z z Faulty coolant pump Check and repair the pump z z Faulty flow regulator settings Check and adjust coolant flow z z z Leaking cooler header Replace the cooler header z z Air inside the cooler Bleed the cooler through bleeder screw z z Emergency cooling hatch open Close emergency cooling hatch tightly z z Cooling water inlet temperature too high Adjust cooling water temperature z Ov...

Страница 113: ... eliminate overload Overspeed Check actual speed and ABB speed recommendations Network unbalance Check that network balance fulfils requirements Faulty instrumentation or measurement system Check measurements sensors and wiring Too many starts Let the machine cool down before restarting Check windings Dirty machine exterior Clean machine exterior z Air flow is reduced Remove obstacles Ensure suffi...

Страница 114: ...en the bearing housing halves Verify that there is nothing which might cause low pressure next to the bearing A shaft or coupling cover can for instance be designed so that it will cause low pressure near the bearing Verify that there is no overpressure inside the bearing Overpressure may be entering the bearing through the oil outlet piping from the oil lubrication unit Apply breathers or vents t...

Страница 115: ...s The oil can leak from the bearing in two ways Past the labyrinth seals Through the split line of the bearing housing Sealant In order to prevent the oil from leaking from the bearing through any split lines sealant is applied on the split lines ABB recommends the Hylomar Blue Heavy sealing compound Curil T or other similar compounds can be used as well 8 2 3 Bearing verification In case the oil ...

Страница 116: ... enough diameter so that the flow of the oil in the return line does not exceed 0 15 m s 6 inch s based on the pipe cross section Install the oil outlet pipes downwards from the bearings at a minimum angle of 15 which corresponds to a slope of 250 300 mm m 3 3 inch ft The assembling of the piping must be performed in such a way that above mentioned slope is present at all points of the piping Foll...

Страница 117: ... in the bearing to function different as intended Heavy vibrations can cause different phenomena in the oil film between the shaft and the white metal but this will rather seldom lead to oil leakages but to bearing failures Heavy vibrations can cause the bearing housing parts to set or to loosen up just enough to allow the oil to enter the split surface between the upper and the lower bearing hous...

Страница 118: ...th only one Pt 100 temperature detector normally detect the temperature of the bearing not the oil The temperature of the oil is approximately 10 C 20 F lower than the bearing temperature Following paragraph for bearing type Sleeve bearing with flood lubrication The normal oil inlet temperature is in the range of 65 C to 75 C 150 F 170 F but must be verified from the documentation provided with th...

Страница 119: ... to be measured near the exit of the shaft from the bearing housing In order to verify that the under pressure outside the bearing can cause the leakage the pressure outside the bearing p0 inside the bearing p2 and the pressure in the area between the end shield and the machine seal p1 must be measured as well When measuring p1 the tube has to be inserted as deep as possible and the canals must be...

Страница 120: ...f a sleeve bearing If a large under pressure is found to be inside the machine e g between the end shield and the machine seal the situation is tricky it is normally very difficult to remove the machine seal and to re seal it NOTE In no case should a breather be installed to remedy under pressure in the bearing as it will only make the leakage worse ...

Страница 121: ... Chapter 7 6 Maintenance of stator and rotor windings and Chapter 8 5 Thermal performance and cooling system Overcurrent current and voltage unbalance bus bar voltage Vibration protection Chapter 7 4 2 Vibration and noise 8 3 2 Pt 100 resistance temperature detectors Pt 100 resistance temperature detectors are an essential part in the machine s condition monitoring and protection system They are u...

Страница 122: ...330 80 110 90 28 82 40 137 74 98 208 40 164 02 168 334 40 111 67 30 86 00 138 50 100 212 00 164 76 170 338 00 112 45 32 89 60 139 26 102 215 60 165 50 172 341 60 113 22 34 93 20 140 02 104 219 20 166 24 174 345 20 113 99 36 96 80 140 77 106 222 80 166 98 176 348 80 114 77 38 100 40 141 53 108 226 40 167 72 178 352 40 115 54 40 104 00 142 29 110 230 00 168 46 180 356 00 116 31 42 107 60 143 04 112 ...

Страница 123: ...ecified for the machine Always when feasible Control that the brushes are in good condition and that they can move freely in the brush holders Check that the brush pigtail cables are in order and that they are reliably connected Remove coal dust by vacuum cleaning 8 4 2 Brush sparking Any possible sparking of the brushes can be observed through a window in the slip ring enclosure Sparking is often...

Страница 124: ...issues affect the cooling system The apparent part is to ensure the uninterrupted and correct operation of the heat exchanger This task is accomplished by periodically cleaning and checking the heat exchanger for correct operation The air or water flow through the heat exchanger must also be checked If the cooler is equipped with an external blower fan its operation needs also to be checked The le...

Страница 125: ...red with the machine Sells genuine spare parts after the machines has been delivered For spare part packages see Chapter 9 2 Spare parts for rotating electrical machines 9 1 3 Support and Warranties The Support department Handles warranty issues under warranty period based on written claims Makes warranty determination Decides about corrective actions Provides technical support 9 1 4 Support for S...

Страница 126: ...9 2 2 Periodical part replacements There is always mechanical wear when two moving surfaces are in contact with each other In electrical machines most of the mechanical wear occurs between the rotating shaft and stationary parts The bearing parts such as rolling bearings bearing shells and oil rings in sleeve bearings will eventually wear out and need to be replaced even if correct lubrication is ...

Страница 127: ...tional conditions should select the most suitable package based on criticality of the application and on the financial risk related to the duration of downtime and loss of production Operational spare part package for commissioning and to ensure usability These are the most essential spare parts that should always be available Recommended spare part package for trouble shooting and scheduled maint...

Страница 128: ...c Bearing oil ring for DE 1 pc Bearing oil ring for NDE 1 pc Bearing labyrinth seals for DE 2 pcs Bearing labyrinth seals for NDE 2 pcs Spare part Amount Operational spare part package 1 pc Space heater 1 pc Stator Pt 100 retrofit kit 1 pc Support or bushing insulators 1 pc Spare part Amount Stator 1 pc Rotor 1 pc Spare part Amount Air filters for IPW24 IC01 machine 1 set Water leakage detector fo...

Страница 129: ...nes Bearing shell for DE 1 pc Bearing shell for NDE 1 pc Bearing oil ring for DE 1 pc Bearing oil ring for NDE 1 pc Bearing labyrinth seals for DE 2 pcs Bearing labyrinth seals for NDE 2 pcs Spare part Amount Operational spare part package 1 pc Space heater 1 pc Stator Pt 100 retrofit kit 1 pc Water cooler element 1 pc Support or bushing insulators 1 pc Spare part Amount Rotor 1 pc Stator 1 pc Spa...

Страница 130: ...ne 1 set Air filter for slip ring carbon dust 1 pc Brushes 1 set Brush holder 1 set Water leakage detector for IP55 IC81W machine 1 pc Bearing RTD 1 pc Alternatively for rolling bearing machines Rolling bearing 2 pcs Alternatively for sleeve bearing machines Bearing shell for DE 1 pc Bearing shell for NDE 1 pc Bearing oil ring for DE 1 pc Bearing oil ring for NDE 1 pc Bearing labyrinth seals for D...

Страница 131: ...rating plate fixed to the machine frame or stamped on the machine frame In addition provide specific and detailed information about the parts ordered The contact information of ABB s After Sales organization can be found in Chapter 9 1 5 After Sales contact information Spare part Amount Operational spare part package 1pc Space heater 1 pc Space heater for slip ring unit 1 pc Slip ring unit 1 pc St...

Страница 132: ...s Manual Additional documentation will be found in the project documentation 10 2 Average material content The average material content used in the manufacturing of the electrical machine is as follows 10 3 Recycling of packaging material Once the machine has arrived on site the packaging material will need to be removed Any wood packaging can be burned For some countries the packaging used for sh...

Страница 133: ...er of machines All these components are in an inert stage once the manufacturing of the machine has been completed Some components in particular the stator and the rotor contain a considerable amount of copper which can be separated in a proper heat treatment process where the organic binder materials of the electrical insulation are gasified To ensure a proper burning of the fumes the oven shall ...

Страница 134: ...it is recommended that the permanent magnets are demagnetized The demagnetization is done by heating the rotor in the oven until the permanent magnets reach a temperature of 300 C 572 F WARNING Magnetic stray fields caused by an open or disassembled permanent magnet synchronous machine or by a separate rotor of such a machine may disturb or damage other electrical or electromagnetic equipment and ...

Страница 135: ... 3BFP 000 050 R0101 REV E COMMISSIONING REPORT Rating plate information Serial no Manufacturer ABB Oy Address Telephone Fax P O Box 186 FIN 00381 HELSINKI FINLAND 358 0 10 22 11 358 0 10 22 22544 Customer Customer address Contact person Telephone Mobile phone Fax Email ...

Страница 136: ...essories Spare parts tools Actions taken in response to damages Photographed Reported to the transportation company Reported to the supplier Reported to the insurance company Method of transportation Comments Railway Mail Airfreight Shipped by M S ___________ Truck Other no yes missing items no yes what kind of no yes what kind of no yes what kind of no yes date no yes to whom date no yes to whom ...

Страница 137: ...ve gases in the air Brushes are lifted up Machine documents are saved and protected for future use Comments no yes begin _______________end _____________________ no yes in packing case protected by a waterproof cover Daily temperature min max _______ _______ºC Humidity _______ indoors outdoors no yes no yes type ______________________________________ no yes voltage ________________________________...

Страница 138: ...__________ D ____________ Axial position of the rotor ET 1 __________mm ET 2 __________mm Axial distance between shaft ends __________mm Rotor support distance Crankshaft deflection is checked Tapered guide pins are used to lock the position of the machine after alignment Foundations bolts are tightened with torque wrench Bolt lubrication Cooling water Cooling element piping Transport locking devi...

Страница 139: ...ely Bearing oil Manufacturer __________________ Type _________________________ The oil quality is the same as recommended Lubrication rings rotate freely Flood lubrication oil pressure ___________kPa Oil flow ___________liters min Rotation of the pumps checked Jack up pumps checked Oil filters checked Grease Manufacturer __________________ Type _________________________ The grease quality is the s...

Страница 140: ...___ºC Exciter stator 1 min 500 VDC __________MΩ tested by________ kV winding temperature ______ºC Space heater __________MΩ 500 VDC Temperature detectors __________MΩ 100 VDC N end bearing insulation __________MΩ 100 VDC Stator 1 Pt 100 Stator 2 Pt 100 Stator 3 Pt 100 Stator 4 Pt 100 Stator 5 Pt 100 Stator 6 Pt 100 __________Ω __________Ω __________Ω __________Ω __________Ω __________Ω Bearing Pt ...

Страница 141: ...arth fault setting Reverse power setting Differential protection setting Vibration monitoring Temperature monitoring in stator winding in bearing in ______________________________ Other protection units no yes setting no yes setting no yes setting no yes setting no yes alarm __________mm s trip ______________mm s no yes type no yes alarm __________ºC trip ______________ºC no yes alarm __________ºC...

Страница 142: ...ion viewed from D end Are there abnormal noises Are there abnormal noises Does the machine vibrate abnormally Bearing vibration level measured D end __________ mm s rms N end _________ mm s rms Running Time Bearing temperature Bearing vibration levels Stator Stator winding temperature D end N end D end mm s N end mm s Current Power Factor Excit Current U V W h min ºC ºC rms rms A cos φ A ºC ºC ºC ...

Страница 143: ...tor Stator winding temperature D end N end D end mm s N end mm s Current Power Factor Excit Current U V W h min ºC ºC rms rms A cos φ A ºC ºC ºC 0 00 Vibration spectrum attached Acceleration time __________ s Cooling air temperature Inlet __________ ºC Outlet __________ ºC Cooling water temperature Inlet __________ ºC Outlet __________ ºC Comments Machine approved for use Date Commissioning done b...

Страница 144: ... Induction Motors and Generators Commissioning Report 129 3BFP 000 050 R0101 REV E Fax Cover Sheet Date To ABB Oy Telefax 358 0 10 22 22544 From Fax number Phone number Email Number of pages 1 9 _________ Message ...

Страница 145: ...Manual for Induction Motors and Generators Typical Position of Plates 130 3BFP 000 050 R0101 REV E Typical position of plates ...

Страница 146: ...Manual for Induction Motors and Generators Typical Main Power Cable Connections 131 3BFP 000 050 R0101 REV E Typical main power cable connections ...

Страница 147: ...ABB Oy Machines P O Box 186 FIN 00381 HELSINKI FINLAND Telephone 358 0 10 2211 Telefax 358 0 10 22 22141 www abb com motors drives 3BFP 000 050 R0101 REV E ABB December 2006 ...

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