CN103401326A - 60Hz full-rotation-speed turbine generator - Google Patents
60Hz full-rotation-speed turbine generator Download PDFInfo
- Publication number
- CN103401326A CN103401326A CN2013103282414A CN201310328241A CN103401326A CN 103401326 A CN103401326 A CN 103401326A CN 2013103282414 A CN2013103282414 A CN 2013103282414A CN 201310328241 A CN201310328241 A CN 201310328241A CN 103401326 A CN103401326 A CN 103401326A
- Authority
- CN
- China
- Prior art keywords
- bearing
- stator
- turbine generator
- rotor
- end cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
- Motor Or Generator Cooling System (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a 60Hz full-rotation-speed turbine generator, which comprises a stator (1), a rotor (2), a bearing (4), an air cooler (5) and an undercarriage (6), wherein two ends of the stator (1) are respectively provided with an end cover (3), one end of the rotor (2) penetrates through the center of the stator (1) and the end covers (3) and is fixed on the undercarriage (6) through the bearing (4) which is arranged outside the end cover (3) on one side, and the air cooler (5) is arranged above the stator (1). The 60Hz full-rotation-speed turbine generator is made of high-strength material and provided with a plurality of ventilation grooves, so that the mechanical property is good, rapidness in ventilation and heat radiation can be achieved, convenience in wire embedding and overhauling can be achieved, the loss of the generator can be reduced, the overhauling cost can be reduced, the high-rotation-speed mechanical strength requirement of the full-rotation-speed turbine generator can be met, the structure design is reasonable, and technical support can be provided for developing the wide overseas market of the 60Hz turbine generator.
Description
Technical field
The present invention relates to the full rotation-speed steam turbine generator of a kind of 60Hz.
Background technology
With the generator of Steam Turbine Driven, become turbo generator, turbo generator is the generator supporting with steam turbine.Its rotating speed is generally 3000 rev/mins (frequency is 50 hertz) or 3600 rev/mins (frequency is 60 hertz).The high speed turbo generator is in order to reduce the mechanical stress that produces because of centrifugal force and to reduce the windmill consumption, and root diameter is generally less, and length is large (being elongate rotor).This elongate rotor is restricted the rotor size of large high-speed turbo generator.After 20 century 70s, the heap(ed) capacity of turbo generator reaches 130～1,500,000 kilowatts.The 60Hz turbo generator is the country of 60Hz mainly for mains frequency, and it is less for China's domestic production 60Hz vapour, to send out the producer of machine, and main cause is that technology is immature, and production equipment can not meet process requirements etc.For its full rotating speed motor, meeting under the prerequisite of electromagnetic performance, also need to meet mechanical requirement, full rotating speed vapour is sent out the machine rotating speed up to 3600r/min, and is all very high to the requirement of revolving part material, process equipment and each parts.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of a plurality of ventilation slots that are provided with are provided, good mechanical property, ventilation and heat are fast, rule and maintenance are convenient, can reduce the loss of generator, reduce the cost of overhaul, meet the high-revolving requirement of mechanical strength of full rotation-speed steam turbine generator, the full rotation-speed steam turbine generator of the 60Hz of reasonable in design.
The objective of the invention is to be achieved through the following technical solutions: the full rotation-speed steam turbine generator of 60Hz, it comprises stator, rotor, bearing, air cooler and underframe, the stator two ends are provided with end cap, one end of rotor passes the center of stator and end cap and is fixed on underframe by the bearing that is positioned at a side end cap outside, and the stator top is provided with air cooler.
Described stator comprises support, iron core and stator coil, and iron core adopts the fanning strip of cold rolling non-orientation silicon steel sheet punching to be overrided to form, and is divided into vertically at least two grades, between every two grades of iron cores, is provided with " work " font ventilation steel channel and supports the radial ventilation ditch that forms; Support is square, and length extends core end plate place, two ends, vertically by four wallboards, forms the air inlet/outlet district, and wallboard is coated with cover plate outward, and the both sides of wallboard are welded with joint hinge; Stator coil adopts basket type half coil, and is built up by dual-fiberglass wrapped flat copper wire, and stator coil end forms an integral body by triangular supports and interlayer filler strip with washing the colligation of glass rope; Stator coil winding is on iron core, and iron core circumferentially is fixed on the support bar of support by the dovetail slot at yoke back, and iron core adopts the method for trim ring and the welding of support wall to tighten up vertically.
On described rotor body, be milled with radial line embedding groove, and be provided with 4 ventilation slots, rotor body two ends hot jacket has collector ring, and two ends of rotor is equipped with the centrifugal fan of blade hypsokinesis.
Described end cap is the square structure that the employing Plate Welding forms, and on end cap, is provided with the lead-out wire fairlead of inspection hole, fire extinguishing tube, gas sealing mechanism and stator.
Described bearing adopts the sliding bearing of pressure forced oil-circulation, bearing comprises the bearing cap at bearing pedestal, bearing two ends and the sphere bearing shell of energy automatic aligning, bearing pedestal is made of cast iron, on bearing cap, be equipped with oil baffle, the vent plug of balanced oil pocket internal pressure is equipped with at the bearing pedestal top, and bearing pedestal below and flange all are lined with insulating material.
Described air cooler be positioned at the top of support and end cap and by bolt closing fixingly, air cooler is inputted stator coil end by cold wind by end cap, on end cap and support, all is equipped with and measures the thermometer of importing and exporting wind-warm syndrome.
Described stator coil and iron core are equipped with the resistance temperature measurement element.
The invention has the beneficial effects as follows: iron core adopts the fanning strip of cold rolling non-orientation silicon steel sheet punching to be overrided to form, rotating shaft selects the whole forging of the superior alloy steel of high magnetic conduction to form, and be provided with a plurality of ventilation slots, good mechanical property, ventilation and heat are fast, rule and maintenance are convenient, can reduce the loss of generator, reduce the cost of overhaul, meet the high-revolving requirement of mechanical strength of full rotation-speed steam turbine generator, reasonable in design, can provide technical support for opening up external wide 60Hz turbo generator market.
The accompanying drawing explanation
Fig. 1 is turbo generator structural representation of the present invention;
In figure, 1-stator, 2-rotor, 3-end cap, 4-bearing, 5-air cooler, 6-underframe.
Embodiment
Below in conjunction with accompanying drawing, further illustrate technical scheme of the present invention, but the content that the present invention protects is not limited to the following stated.
As shown in Figure 1, the full rotation-speed steam turbine generator of 60Hz, it comprises stator 1, rotor 2, bearing 4, air cooler 5 and underframe 6, stator 2 two ends are provided with end cap 3, one end of rotor 2 passes the center of stator 1 and end cap 3 and is fixed on underframe 6 by the bearing 4 that is positioned at side end cap 3 outsides, and stator 1 top is provided with air cooler 5.
Described stator 1 comprises support, iron core and stator coil, iron core adopts the fanning strip of cold rolling non-orientation silicon steel sheet punching to be overrided to form, the fanning strip two sides is coated with all the insulation paint film, be divided into vertically at least two grades, between every two grades of iron cores, be provided with " work " font ventilation steel channel and support the radial ventilation ditch that forms; Support is square, is convenient to install air cooler 5, adopts Plate Welding to form, and length extends two ends core end plate write out a prescription just rule and maintenance, vertically by four wallboards, forms the air inlet/outlet district, and wallboard is coated with cover plate outward, and the both sides of wallboard are welded with joint hinge; Stator coil adopts basket type half coil, and is built up by dual-fiberglass wrapped flat copper wire, and stator coil end forms an integral body by triangular supports and interlayer filler strip with washing the colligation of glass rope; Stator coil winding is on iron core, and iron core circumferentially is fixed on the support bar of support by the dovetail slot at yoke back, and iron core adopts the method for trim ring and the welding of support wall to tighten up vertically.
Generator is the individual layer fast mounting structure, the outlet copper bar of stator 1 from generator encourage the end end cap both sides draw, every side each three, and at outlet copper bar surrounding cover with armored cassette, to guarantee operation maintenance safety.
Described rotor 2 comprises rotor forging, rotor coil, rotor slot wedge, collector ring, fan, retaining ring and centering ring, rotating shaft selects the whole forging of the superior alloy steel of high magnetic conduction to form, on rotor 2 bodies, mill out radial line embedding groove, and process 4 ventilation slots to strengthen cooling effect, can meet under the 3600r/min rated speed the mechanical requirement to rotor body.Rotor coil adopts copper strap wire outsourcing insulation to be made.Each circle rotor coil gasket ring oxygen glass-cloth board, and flat bag glass tape.Under retaining ring, insulation and end fixed intervals piece all adopt the cushion block jam-pack that epoxy phenol aldehyde glass cloth laminated board materials processing becomes, and then adopt bake pressure technique to form a solid integral body.Rotor slot wedge adopts duralumin, hard alumin ium alloy, and the forge copper slot wedge is adopted at two ends.For meeting high-revolving requirement, retaining ring selects high-intensity nonmagnetic alloy steel forgings to process, and in respective rotor winding space place, attacks and bore appropriate ventilation hole, to strengthen the cooling of rotor coil end.The centrifugal fan of blade hypsokinesis is equipped with at rotor 2 two ends, and fan adopts the high-quality steel to be welded, and the cooling circulation power that provides of generator is provided, it is cooling that the power of fan enters cold wind to carry out in iron core and coil.Collector ring is selected the forged steel material, and hot jacket is placed in rotor 2 body two ends, is the main diversion component to generator amature input field power supply.
Described end cap 3 is the square structure that the employing Plate Welding forms, and on end cap 3, is provided with the lead-out wire fairlead of inspection hole, fire extinguishing tube, gas sealing mechanism and stator 1.
Described bearing 4 adopts the sliding bearing of pressure forced oil-circulation, bearing 4 comprises the bearing cap at bearing pedestal, bearing two ends and the sphere bearing shell of energy automatic aligning, bearing pedestal is made of cast iron, on bearing cap, be equipped with oil baffle, the vent plug of balanced oil pocket internal pressure is equipped with at the bearing pedestal top, bearing pedestal below and flange all are lined with insulating material, can prevent that shaft current from passing through.
Described air cooler 5 is positioned at the top of support and end cap 3 fixing closing by bolt, and air cooler by end cap 3 input stator coil ends, on end cap 3 and support all is equipped with cold wind and measures the thermometer of importing and exporting wind-warm syndrome.
Described stator coil and iron core are equipped with the resistance temperature measurement element.
Claims (7)
1.60Hz full rotation-speed steam turbine generator, it is characterized in that: it comprises stator (1), rotor (2), bearing (4), air cooler (5) and underframe (6), stator (2) two ends are provided with end cap (3), one end of rotor (2) passes the center of stator (1) and end cap (3) and is fixed on underframe (6) above by being positioned at the outside bearing (4) of a side end cap (3), and stator (1) top is provided with air cooler (5).
2. the full rotation-speed steam turbine generator of 60Hz according to claim 1, it is characterized in that: described stator (1) comprises support, iron core and stator coil, iron core adopts the fanning strip of cold rolling non-orientation silicon steel sheet punching to be overrided to form, be divided into vertically at least two grades, between every two grades of iron cores, be provided with " work " font ventilation steel channel and support the radial ventilation ditch that forms; Support is square, and length extends core end plate place, two ends, vertically by four wallboards, forms the air inlet/outlet district, and wallboard is coated with cover plate outward, and the both sides of wallboard are welded with joint hinge; Stator coil adopts basket type half coil, and is built up by dual-fiberglass wrapped flat copper wire, and stator coil end forms an integral body by triangular supports and interlayer filler strip with washing the colligation of glass rope; Stator coil winding is on iron core, and iron core circumferentially is fixed on the support bar of support by the dovetail slot at yoke back, and iron core adopts the method for trim ring and the welding of support wall to tighten up vertically.
3. the full rotation-speed steam turbine generator of 60Hz according to claim 1, it is characterized in that: on described rotor (2) body, be milled with radial line embedding groove, and be provided with 4 ventilation slots, and hot jacket has collector ring in rotor (2) body two ends, and the centrifugal fan of blade hypsokinesis is equipped with at rotor (2) two ends.
4. the full rotation-speed steam turbine generator of 60Hz according to claim 1, it is characterized in that: described end cap (3) is the square structure that the employing Plate Welding forms, and on end cap (3), is provided with the lead-out wire fairlead of inspection hole, fire extinguishing tube, gas sealing mechanism and stator (1).
5. the full rotation-speed steam turbine generator of 60Hz according to claim 1, it is characterized in that: described bearing (4) adopts the sliding bearing of pressure forced oil-circulation, bearing (4) comprises the bearing cap at bearing pedestal, bearing two ends and the sphere bearing shell of energy automatic aligning, bearing pedestal is made of cast iron, on bearing cap, be equipped with oil baffle, the vent plug of balanced oil pocket internal pressure is equipped with at the bearing pedestal top, and bearing pedestal below and flange all are lined with insulating material.
6. the full rotation-speed steam turbine generator of 60Hz according to claim 1 and 2, it is characterized in that: described air cooler (5) is positioned at the top of support and end cap (3) and closes fixing by the bolt handle, air cooler by end cap (3) input stator coil end, on end cap (3) and support all is equipped with cold wind and measures the thermometer of importing and exporting wind-warm syndrome.
7. the full rotation-speed steam turbine generator of 60Hz according to claim 2, it is characterized in that: described stator coil and iron core are equipped with the resistance temperature measurement element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310328241.4A CN103401326B (en) | 2013-07-31 | 2013-07-31 | The full rotation-speed steam turbine generator of 60Hz |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310328241.4A CN103401326B (en) | 2013-07-31 | 2013-07-31 | The full rotation-speed steam turbine generator of 60Hz |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103401326A true CN103401326A (en) | 2013-11-20 |
| CN103401326B CN103401326B (en) | 2015-09-23 |
Family
ID=49564897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310328241.4A Expired - Fee Related CN103401326B (en) | 2013-07-31 | 2013-07-31 | The full rotation-speed steam turbine generator of 60Hz |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103401326B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235194A (en) * | 2014-09-11 | 2014-12-24 | 兖州煤业股份有限公司 | Steam turbine generator unit |
| CN109067091A (en) * | 2018-08-02 | 2018-12-21 | 海泉风雷新能源发电股份有限公司 | A kind of Turbo-generator Set |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06261499A (en) * | 1993-03-08 | 1994-09-16 | Mitsubishi Electric Corp | Electric rotating machine |
| CN2681452Y (en) * | 2004-03-09 | 2005-02-23 | 四川东风电机厂有限公司 | Brushless excitation for steam turbo generator |
| CN1877969A (en) * | 2006-07-03 | 2006-12-13 | 四川东风电机厂有限公司 | Gas turbine generator |
| CN101860119A (en) * | 2010-07-22 | 2010-10-13 | 哈尔滨理工大学 | Large air-cooled turbo-generator with circumferential mixed ventilation cooling structure |
| CN203352303U (en) * | 2013-07-31 | 2013-12-18 | 东方电气集团东风电机有限公司 | 60Hz full-rotation speed turbine generator |
-
2013
- 2013-07-31 CN CN201310328241.4A patent/CN103401326B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06261499A (en) * | 1993-03-08 | 1994-09-16 | Mitsubishi Electric Corp | Electric rotating machine |
| CN2681452Y (en) * | 2004-03-09 | 2005-02-23 | 四川东风电机厂有限公司 | Brushless excitation for steam turbo generator |
| CN1877969A (en) * | 2006-07-03 | 2006-12-13 | 四川东风电机厂有限公司 | Gas turbine generator |
| CN101860119A (en) * | 2010-07-22 | 2010-10-13 | 哈尔滨理工大学 | Large air-cooled turbo-generator with circumferential mixed ventilation cooling structure |
| CN203352303U (en) * | 2013-07-31 | 2013-12-18 | 东方电气集团东风电机有限公司 | 60Hz full-rotation speed turbine generator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235194A (en) * | 2014-09-11 | 2014-12-24 | 兖州煤业股份有限公司 | Steam turbine generator unit |
| CN109067091A (en) * | 2018-08-02 | 2018-12-21 | 海泉风雷新能源发电股份有限公司 | A kind of Turbo-generator Set |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103401326B (en) | 2015-09-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103580383B (en) | A kind of rotor uses the edema due to wind pathogen combination cooling high-speed permanent magnet motor of hybrid protection | |
| CN102969835B (en) | Main cooling agent pump motor of second-generation nuclear power plant | |
| CN202918134U (en) | Compressor/ high speed permanent magnet motor system | |
| CN202260856U (en) | Radiating device of permanent magnet motor rotor | |
| EP2536006A1 (en) | Vertical shaft disc-type outer rotor electric machine and cooling structure thereof | |
| CN101764486A (en) | Low voltage high-power threephase asynchronous motor | |
| CN207504659U (en) | Ultrahigh speed permanent magnet disc motor | |
| CN202949323U (en) | Main coolant pump motor for second-generation nuclear power station | |
| CN203352303U (en) | 60Hz full-rotation speed turbine generator | |
| CN103401326B (en) | The full rotation-speed steam turbine generator of 60Hz | |
| CN105656231A (en) | Internal heat radiation nonsalient pole rotor | |
| CN102983678A (en) | Electric generator cooling wind path structure | |
| CN105245042B (en) | Wind path structure in a kind of permanent-magnetic wind driven generator | |
| CN104009603A (en) | Large vertical electromotor for third-generation nuclear power plant sea water circulating pump | |
| CN207559785U (en) | A kind of motor of stator with ventilation slot mouth | |
| CN108539881A (en) | A kind of Turbo-generator Set device that more quality steams are provided | |
| CN103161678B (en) | Built-in large-scale superconduction direct drive wind generating set | |
| CN201341067Y (en) | Air-cooled 350MW steam turbine generator | |
| CN202707609U (en) | Internal-circulation cooling axial-flow impeller for gas turbine generator | |
| CN205407449U (en) | Latent utmost point rotor of outer heat dissipation | |
| CN204559259U (en) | There is a spoonful large turbo-type generator for shape structural formula stator ventilation cooling system | |
| CN203175761U (en) | Built-in type large superconducting direct-driven wind turbine generator set | |
| CN204258480U (en) | High speed permanent magnet motor rotor | |
| CN204030903U (en) | A kind of novel 40MW air inner-cooled turbogenerator | |
| CN106100206A (en) | A kind of high-power density permanent magnetic synchronizes water-cooled outer rotor medium frequency electric generating machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20190731 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |