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Product documentation 1D

3.8.

Rev. E, 10/13

page 3/42

Rev.

Revised items

Date

Name

4.2.6 Fill the bearings with oil, oil cleanliness

22.02.13

Vesely

3.2.5 Anticorrosion treatment of machined parts and bearings

3.2 Storage conditions

07.03.13

Pochop

4.2.9 Alignment (rolling bearings)

4.2.10 Alignment (slide bearings)

14.03.13

Pochop

4.2.12 Checking the insulation resistance of stator winding

4.2.13 Insulation test for stator winding

4.2.14 Drying

4.4.1 Installation

05.09.13

Vesely

3.3 Storage with shaft in horizontal position

3.4 Putting into operation after storage period

3.5 Sealed packings

3.6 Inspection intervals during storage

3.7 Control check during storage

07.10.13

Pochop

Содержание 1D Series

Страница 1: ...s Operating manual Siemens Electric Machines s r o Drásov 126 CZ 664 24 Drásov http www siemens cz semd Synchronous Generator G 3 ...

Страница 2: ...radition that was produced on the basis of operational experience by a team of experts and skilled workers and which incorporates the latest know how and advanced technology We produce the series of synchronous generators with power output from about 500 to 25 000 kVA LV and HV options for all usual applications We will fulfil your special demands on a generator for special use or arrangement Team...

Страница 3: ...Pochop C 4 2 9 Alignment rolling bearings 4 2 10 Alignment slide bearings 14 03 13 Pochop D 4 2 12 Checking the insulation resistance of stator winding 4 2 13 Insulation test for stator winding 4 2 14 Drying 4 4 1 Installation 05 09 13 Vesely E 3 3 Storage with shaft in horizontal position 3 4 Putting into operation after storage period 3 5 Sealed packings 3 6 Inspection intervals during storage 3...

Страница 4: ...t protection 16 3 2 3 Rolling bearings 16 3 2 4 Sleeve bearings 17 3 2 5 Anticorrosion treatment of machined parts and bearings 17 3 2 6 Condensation 17 3 3 Storage with shaft in horizontal position 17 3 4 Putting into operation after storage period 18 3 5 Sealed packings 18 3 6 Inspection intervals during storage 19 3 7 Control check during storage 19 3 7 1 Sealed packing 19 3 7 2 Non sealed pack...

Страница 5: ...age regulation 40 7 3 Regulation accuracy 40 7 4 Dynamic states of voltage 40 7 5 Parallel operation 40 8 Neutral wire 41 8 1 Generally 41 9 Generator disposal after lifetime expiration 41 10 Contacts 42 10 1 Customer Service Manufacturer 42 10 2 Service Coordination Center and Industry Hotline Worldwide 42 10 2 1 I CS LS LD USA territory 42 List of figures Fig 1 Machine ends 11 Fig 2 Closed circu...

Страница 6: ...5 Minimum value of insulation resistance 27 Tab 6 Tightening torques for screwed electrical connections 29 Tab 7 Minimum air distance 30 Tab 8 Visual inspection of the machine 30 Tab 9 Mechanical causes 33 Tab 10 Electric causes I 34 Tab 11 Electric causes II 35 ...

Страница 7: ...ntation Therefore the workers responsible for safety operation of a device have to secure the following only qualified operators have to be authorised to attend these machines these operators and the others must always have submitted operational instructions and the other production documentation at their disposal in the course of all corresponding operations and have to adhere to this documentati...

Страница 8: ... operated in Besides knowledge of provisions of first aid and local rescue devices is necessary as well Concerning work on heavy current devices restriction of employing unqualified people is determined in e g IEC 60364 4 41 2 1 2 General safety information Herein mentioned machines are parts of heavy current devices for industrial extent of use They are produced in compliance with corresponding a...

Страница 9: ...g information which specify a product sales department of SIEMENS is in charge of providing necessary explanation Concerning this matter we ask you to mention mainly type and production number of a machine please Concerning planning assembly launching and service we recommend using the promotion and services of appropriate service centre of SIEMENS RECOMMENDATIONS Other detailed information concer...

Страница 10: ... H Salient pole rotor piston machine K Stator frequency and voltage Hz kV B 50 6 3 C 50 6 3 D 50 6 3 11 0 E 50 11 0 F 50 11 0 H 60 4 16 J 60 4 16 K 60 4 16 6 6 L 60 6 6 M 60 6 6 13 8 N 60 13 8 P 60 13 8 V 50 0 5 W 50 1 0 X 60 0 5 Y 60 1 0 1 3 Type marking of generators Degree of protection IP 00 0 IP 11 1 IP 20 2 IP 21 3 IP 23 4 IP W24 5 IP 44 54 55 56 Tube 6 IP 44 54 55 56 CACA 7 IP 44 54 55 56 C...

Страница 11: ... on the same shaft Voltage regulating parts are located in a terminal box or belong to machine supply being installed in switchboard All these parts form a compact component along with welded cover and bearings 2 1 1 Machine ends designation For a clear description machine ends are designated as follows Fig 1 DE side being at free shaft end where generator drive is connected Machine sense of rotat...

Страница 12: ...air to cool the winding warmed air is exhausted by fan to the atmosphere on AS side The other cooling method makes use of internal cooler Fig 2 It is a closed circuit air circulation system in which air is cooled in a water or air cooler and returned back to the main machine This system is applied if a higher degree of protection is required Fig 2 Closed circuit Fig 3 Open circuit 1 Rotor 2 Stator...

Страница 13: ... of generator stator box It contains all equipment necessary for generator connection and operation Standard generator model is supplied with an unbored cable entry plate PG screwed cable entry glands can be supplied on request Regulation and measuring circuits are always led to an independent LV terminal box 2 1 7 Measuring and protective circuits Generator is standard equipped with if not otherw...

Страница 14: ...milar devices 2 3 Use Generators are used in land central offices and in naval shipboard networks for long term or reserve operation They can be driven by combustion engines gas of water turbines or electromotors They can run individually parallelly with similar device or it is possible to connect them to public network 2 4 Warranties Warranties refer to adhering of operational instructions and pe...

Страница 15: ...ally symmetrical places at least see Fig 4 Aggregates must not be lifted hanging on individual parts of a machine Existing accessory lifting lugs e g on bearing shields cooler superstructure etc are provided only for lifting of these individual parts of the machine Lifting capacity of applied lifting device should be taken into consideration Lifting devices should be chosen with respect of the wei...

Страница 16: ...er storage For some additional information about long term storage of entire machine or its parts bearings etc please ask Siemens Electric Machines s r o see chapter 10 for manual Storage of motors and generators 3 2 1 If no dry storage condition is available air tight film packing bags with hygroscopic material inside film humidity indicator inside film regular inspections 3 2 2 Rust protection A...

Страница 17: ...onditioned storage room 3 3 Storage with shaft in horizontal position Machine has to stand on the wooden frame in working position and fasten to the frame Dimensions of wooden frame must be identical according to foundation dimensions of the machine and must protect exposed shaft end or protruding parts from direct contact with ground see dimension drawing All metallic parts exposed shaft areas fe...

Страница 18: ...corners and edges are padded to prevent the wrapping from ripping All cases should be subjected to an immediate visual inspection on arrival to make sure the packing the contents and the seals are undamaged If humidity indicators have been provided the sealed packings must be inspected visually 1 to 2 days after storage If humidity indicators are provided in the sealed wrapping there is an inspect...

Страница 19: ...y of storage Inspection interval Short term storage 2 years Every two months Long term storage 2 years Once an half a year Tab 1 Check intervals 3 7 Control check during storage 3 7 1 Sealed packing Visual check of the humidity indicators If the humidity indicator indicates a level of 50 or higher the desiccant bags and humidity indicator card must be renewed and sealed packing and storage conditi...

Страница 20: ...d the data measured to the operational log 4 2 2 Locating Generator must be located in the way that terminal box bearings and accessories could be easily approachable 4 2 3 Foundation inspection Before installing the machine carefully check all foundation dimensions with the aid of the machine dimension drawing and the foundation drawing particularly where applicable the positional accuracy of the...

Страница 21: ...t The increase of the axial height is affected by the heat machine use its classification the method of ventilation the generator size etc The most suitable way is to operate the drive until the steady operational temperature regime is achieved then to switch off the machine and to make the axial height correction The informative calculation of the above mentioned increase can be done from the fol...

Страница 22: ...s out To do this use the quality of oil as specified for use later in operation 5 Make sure that the oil supply system operates for a sufficiently long time before the motor starts and continues to operate for some time after the motor stops This is how you avoid the bearing running dry when the motor accelerates and decelerates 6 Connect the oil supply system to the bearings 4 2 8 Connection of c...

Страница 23: ... generator with another machine is to be ensured that the shaft of both machines are aligned Frontal plane of both coupling mounted on the machine shaft must be exactly perpendicular to the axis 4 2 9 1 Shaft alignment Alignment of the shafts for the establishment of machinery based on setting and check according to Fig 9 so that the measured indicator or other suitable device dimensions A and B a...

Страница 24: ...ing halves and tighten the machine screws fixing the base must be the coupler checked Manufacturer s tolerances connections should be reduced as much as possible because the slightest glitch can cause a disproportionate increase in load bearing and coupler Imprecise mechanical connection of the both machines sets vibrates and roared damaging the coupler and bearings CAUTION After starting the mach...

Страница 25: ...h sides of the bearing shell Fig 10 Axial alignment of the rotor in D end bearing Measure the axial offset between the coupling halves at four points 1 2 3 and 4 spaced evenly round the circumference for example see Fig 11 Make a note of this first measurement 1st evaluation 2st evaluation Deviation in vertical plane 0 0375 mm Deviation in horizontal plane 0 0425 mm Fig 11 Example of axial measure...

Страница 26: ...ing shims under the feet of the machine horizontally by sliding the machine sideways These operations are to be repeated until the axial and radial off sets are within the permitted deviations Permissible deviations Radial off set mm Axial off set mm Rigid coupling 0 03 0 02 Flexible coupling 0 05 0 05 Tab 4 Permissible deviations Coupling acceptance Coupling acceptance is to be carried out in the...

Страница 27: ...g Before the first commissioning or after prolonged storage or standstill periods it is necessary to measure the resistance of the stator winding to the stator laminations and frame It is generally sufficient to conduct this measurement with an insulation test device such as a megger Recommendedmeasuringvoltage 1000 V Measuring connection All phases tested together against iron connection cable an...

Страница 28: ...inding surface irrespective of whether or not the minimum insulation values are achieved after deposits or dirt have been removed the minimum insulation resistance values are still not reached incompletely hardened resins or varnishes are assumed to be responsible for low insulation resistance values in the case of repaired machines The simplest method of desiccation is a dry area with 80oC clean ...

Страница 29: ...onnections are provided in the terminal box for earthing the cable sheaths see dimension drawing The connections and sealing ends should comply with the local regulations Size of connection elements M10 M12 M16 M20 Material St St St St Strength class 8 8 8 8 8 8 8 8 Tightening torques in Nm 40 70 155 340 Tab 6 Tightening torques for screwed electrical connections The cable entry of the cable termi...

Страница 30: ...t that is determined in output name plate 4 4 First start and operation 4 4 1 Installation Prior to launching a driving machine the following must be checked Visual inspection of the machine external internal state according by Tab 8 Generator load must be disconnected Insulation resistance must be kept at least to minimal value Safety regulations concerning operation of aggregate must be adhered ...

Страница 31: ...ymmetry of load of individual phases Frequency Increase of temperature in bearings cooling of machine and mechanical operation To prevent resonance take heed of the following own electromechanical frequencies of generator must not be in accordance with mechanical exciting frequencies of driving machine 4 4 4 Check of operation The function of generator must be continuously observed during operatio...

Страница 32: ... must be repaired prior to putting the machine into operation All inspections must be recorded in the generator operational logbook 4 4 6 Putting out of operation Loading must be disconnected before generator is put out of operation Next steps should follow operational instructions prescribed for the whole set 4 4 7 Operational log The operational log serves for recording all events that relate to...

Страница 33: ... is equipped Filter exchange if need to clean Cooler function gets worse goes for design with water cooler Clean cooler with regards to operational instructions check amount of cooling medium vent cooler Unbalance on rotor Contact producer and require balancing Unbalance in coupling Rebalancing Transfer of vibration from linked machine Check of linked machine Badly fixed generator in foundation or...

Страница 34: ...tor or diodes Break in circuit Check wires Break in regulator feeding Check wires from auxiliary winding to regulator Defect on fuse F1 Exchange fuse Break in exciting circuit Check wires from regulator to exciter Defective voltage regulator Exchange regulator Stability potentiometer reset New adjustment of potentiometer stability according to operational instructions of regulator Frequency potent...

Страница 35: ... winding Measure winding and insulation resistance consult producer and repair Overload Reduce load Uneven load Adjust load Short circuit of stator winding Measure winding and insulation resistance consult producer and repair Fluctuation of turning moment Check driving machine Potentiometer of statics is reset In generator equipped with statics module set potentiometer of statics according to oper...

Страница 36: ...l uncertainty please contact us and provide us with type and production number of a machine Other possibility is to contact directly SIEMENS service centre and have maintenance works performed by the centre WARNING Any works that are performed on generator must be carried out on disconnected machine apart from relubrication of bearings In that particular case it is necessary to adhere to safety in...

Страница 37: ...ings are equipped with waste for used grease after each regreasing of antifriction bearings according to lubrication plan take off the cover of the waste and used grease také out As the used grease is took out return the cover Keep a record of additional lubrication in the operational log 5 5 2 Sliding bearings Maintenance of sliding bearings is specified in manufacturer s Manual which is enclosed...

Страница 38: ...t side 06 can be removed For checking rotor and stator windings it is necessary to dismantle the machine i e to disconnect all cables in LV terminal box and power cables to remove bolts 07 and cooler extension 08 to loosen bolts 09 and remove shields Checks of power cables connection can be carried out after removing the extension guard opposite cable outlets 10 For oil checking and exchange in sl...

Страница 39: ...achine rotor via rotating rectifiers A varistor restricts voltage peaks to permissible values A specific model of the voltage regulator used its connection and description are given in the Annex to Operating Instructions On request the generator can be additionally equipped with power factor cos ϕ whose details are also given in the Annex Compact voltage regulators are moisture and vibration resis...

Страница 40: ...or 7 5 Parallel operation Synchronous generators 1D are suitable for parallel operation with another generator and network In the course of parallel operation distribution of active load is determined by driving machines To secure uniform distribution of active load regulators of revolutions of parallely working driving machines must be adjusted at the same characteristics They can even be equippe...

Страница 41: ...r it is necessary to adopt suitable remedies concerning limitation e g current limiting choke 9 Generator disposal after lifetime expiration After expiration of the generator lifetime it is user s responsibility to dispose it ecologically It is recommended to use the service of an authorized company It is necessary to disassemble the generator and separate individual materials The machine disposal...

Страница 42: ...26 664 24 Drásov Czech Republic Tel 420 549 426 103 Fax 420 541 231 028 Web http www siemens cz semd 10 1 Customer Service Manufacturer Tel 420 549 426 440 Fax 420 549 426 450 E Mail servicedrasov cz siemens com Internet http www siemens cz semd https www cee siemens com web cz en corporte portal Siemens industry semd Pages Service aspx 10 2 Service Coordination Center and Industry Hotline Worldwi...

Страница 43: ...ion IM 7 Ex protection IP W24 IP 20 50 11 0 IM B no Ex protection 60 13 8 630 mm frame size 60 13 8 60 0 5 60 1 0 Length of stator core coded Degree of protection Mounting and Ex protection 60 6 6 500 mm frame size 60 6 6 13 8 60 4 16 60 4 16 400 mm frame size 60 4 16 6 6 50 6 3 cylindrical rotor steem and gas turbine 50 11 0 50 6 3 50 6 3 11 0 800 mm frame size 50 1 0 560 mm frame size Number of ...

Страница 44: ...6 0 U 10 0 60 4 0 60 4 0 U 6 6 IP 44 54 55 56 Tube IP 44 54 55 56 CACA 60 13 2 60 6 6 U 13 2 60 13 2 60 6 6 IP 44 54 55 56 CACW IP 23 IP W24 IP 20 IP 21 IP 00 IP 11 Degree of protection Diameter of stator core coded 50 10 0 60 4 0 Length of stator core coded 1 T V 12 44 8 A E 02 Z Number of pole pairs squirrel cage rotor squirrel cage rotor A modyn Asynchronous machine Rotor type Stator voltage an...

Страница 45: ...11 Synchronous machine salient pole rotor A modyn Rotor type IP 44 54 55 56 CACW Degree of protection IP 20 IP 23 IP 21 IP W24 Number of pole pairs Mounting and Ex protection IM 7 no Ex protection IM 7 Ex protection 50 6 0 50 6 0 50 6 0 U 10 0 50 10 0 50 10 0 60 4 0 60 13 2 60 13 2 IM B Eex n e Stator voltage and frequency 60 4 0 60 4 0 U 6 6 60 6 6 60 6 6 U 13 2 IM B no Ex protection IM B E Ex p ...

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