CN105003342A - Gas turbine and starter-generator structure thereof - Google Patents
Gas turbine and starter-generator structure thereof Download PDFInfo
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- CN105003342A CN105003342A CN201510514599.5A CN201510514599A CN105003342A CN 105003342 A CN105003342 A CN 105003342A CN 201510514599 A CN201510514599 A CN 201510514599A CN 105003342 A CN105003342 A CN 105003342A
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- generator
- starter
- gas turbine
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Abstract
A starter-generator structure of a gas turbine comprises a stator and a rotor rotating relative to the stator, wherein the rotor comprises a rotating shaft and a permanent magnet fixed on the rotating shaft, the stator comprises a stator coil comprising a plurality of coil parts, when the structure is used as a generator, the plurality of coil parts work, and when the structure is used as a starting motor, only part of the plurality of coil parts work.
Description
Technical field
The present invention relates to a kind of gas turbine starter-generator structure.
Background technique
Its startup of existing gas turbine needs special starting electrical machinery, and during startup, the rotating shaft of starting electrical machinery is combined with the main shaft of gas turbine, and drive gas turbine main shaft to its self-sustain speed, after combustion chamber ignition, starting electrical machinery rotating shaft and gas turbine main shaft depart from.But in prior art, the output shaft of starting electrical machinery is be connected with tooth to carry out transmission with gas turbine main shaft, but starting electrical machinery rotating shaft and gas turbine main shaft often carry out engaging, departing from and easily cause in conjunction with odontotripsis.Also have and use small-sized starter-generator to utilize gear transmission to be combined with driving gas turbine, drive gas turbine main shaft to its self-sustain speed.After igniting, gas turbine drives small-sized starter-generator and large-scale (such as 200KW) generator to generate electricity simultaneously.Such as, because its power is small-power, 20KW when small-sized starter-generator uses as motor, generally when using as generator, its power also can be less, such as 20KW.Therefore, during generating, prior art can adopt another high-powerly to generate electricity.Although small power generator also generates electricity simultaneously, its electric power sent only uses for gas turbine self, does not do external electric power and exports.And because starting electrical machinery utilizes gear transmission structure to be connected with gas turbine main shaft, structure installment is comparatively complicated, and cost is higher.
Summary of the invention
In view of this, a kind of structure simple gas turbine starter-generator structure is proposed herein.
A kind of gas turbine utilizing above-mentioned starter-generator structure is also proposed herein.
A kind of gas turbine starter-generator structure in this paper, comprise stator and the rotor relative to described stator rotation, described rotor comprises rotating shaft and is fixed to the permanent magnet of described rotating shaft, described stator comprises stator coil, described stator coil comprises some coil portions, and when as generator, described some coil portions all participate in work, when as starting electrical machinery, in described some coil portions, only coil sections portion participates in work.
In one embodiment, described some coil portions are along the axial distribution of described starter-generator.
In one embodiment, the main shaft of described rotating shaft and gas turbine directly drives combination.
In one embodiment, no matter described starter-generator is as generator or starting electrical machinery, and described rotating shaft is all combined with the main shaft of described gas turbine.
In one embodiment, after described starter-generator drives described gas turbine to its self-sustain speed as starting electrical machinery, described starter-generator switches to generator and uses.
In one embodiment, during as starter-generator, the power of described starter-generator is 20KW, and during as generator, the power of described generator is 200KW.
A kind of gas turbine is also proposed herein, comprise gas turbine main shaft, the gas compressor be fixedly connected with described gas turbine main shaft and turbine and the firing chamber be connected between described gas compressor and turbine, described gas turbine also comprises starter-generator structure, described starter-generator structure comprises stator and the p-m rotor relative to described stator rotation, described stator comprises stator coil, described stator coil comprises some coil portions, when as generator, described some coil portions all participate in work, when as starting electrical machinery, in described some coil portions, only coil sections portion participates in work, no matter described starter-generator is as generator or starting electrical machinery, described p-m rotor directly drives combination with described gas turbine main shaft all the time.
In one embodiment, after described starter-generator drives described gas turbine to its self-sustain speed as starting electrical machinery, described starter-generator switches to generator and uses.
In one embodiment, described some coil portions are along the axial distribution of described starter-generator.
In sum, the invention provides a kind of gas turbine starter-generator structure.The rotor of described starter-generator adopts permanent magnet, and its stator adopts electromagnetism winding, and in the axial direction, stator electromagnet coil is divided into some parts, when starter-generator is as starting electrical machinery, in order to realize small-power, and only part electromagnetic coil participation work; When starter-generator is as generator, whole stator electromagnet coil participation work.Starter-generator structure of the present invention is simple, easy for installation, only just can complete the demand starting and generate electricity with an electric generator structure.
Accompanying drawing explanation
Fig. 1 is that gas turbine starter-generator is as rough schematic view during starting electrical machinery.
Fig. 2 is that gas turbine starter-generator is as rough schematic view during generator.
Embodiment
Before describing the embodiments in more detail, it should be understood that and the invention is not restricted to detailed construction in the application hereafter or described in accompanying drawing or arrangement of elements.The present invention can be the embodiment that alternate manner realizes.And, should be appreciated that wording used herein and term are only used as to describe purposes, should being construed as limiting property not explain.Similar wording meant and comprised item listed thereafter, its equivalent and other additional things " comprising " used herein, " comprising ", " having " etc.Particularly, when describing " certain element ", the quantity that the present invention does not limit this element is one, also can comprise multiple.
Fig. 1 is that gas turbine starter-generator is as rough schematic view during starting electrical machinery.As shown in Figure 1, described gas turbine comprises starter-generator structure 10, firing chamber 11, gas turbine main shaft 12 and the gas compressor 14 be fixedly connected with gas turbine main shaft 12 and turbine 16.Wherein, starter-generator structure 10 is connected with gas turbine main shaft 12 to drive described gas turbine to operate, and firing chamber 11 is connected between gas compressor 14 and turbine 16.When starter-generator structure 10 starts and drives gas turbine main shaft 12 to rotate, gas compressor 14 starts pressurized air and the high-pressure air after compression is delivered to firing chamber 11, firing chamber 11 is dropped into fuel and is lighted a fire, the High Temperature High Pressure products of combustion produced in firing chamber 11 enters turbine 16 and drives turbine 16 to operate, gas turbine main shaft 12 is driven to rotate at faster speed while turbine 16 operates, after the rotating speed of gas turbine main shaft 12 reaches the self-sustain speed of described gas turbine, starter-generator structure 10 switches to generator and uses.
The rotor 20 that starter-generator structure 10 comprises stator 18 and rotates relative to stator 18.Rotor 20 comprises rotating shaft 22 and is fixed to the permanent magnet 24 in rotating shaft 22, and rotating shaft 22 is fixedly connected with gas turbine main shaft 12, in the present embodiment, takes rotating shaft 22 and mode that gas turbine main shaft 12 directly drives combination is connected.And no matter starter-generator structure 10 is as generator or starting electrical machinery, and p-m rotor 20 directly drives combination with gas turbine main shaft 12 all the time, and therefore wear problem of the prior art has not existed.
In an illustrated embodiment, when starter-generator structure 10 is as starter-generator, described starter-generator drives described gas turbine to need certain power to its self-sustain speed, and now its power is small-power, such as 20KW; When starter-generator structure 10 is as generator, described gas turbine drives described generator operation to make it reach certain power, and now its power is high-power, such as 200KW.
Stator 18 comprises stator coil 26, and stator coil 26 comprises some coil portions 28, such as 10 coil portions 28, and described some coil portions 28 are along the axial distribution of starter-generator 10.When described starter-generator structure 10 is as starting electrical machinery, coil sections portion 28 (such as 1 coil portion 28) is only had to participate in work in described 10 coil portions 28, remaining 9 coil portion 28 (representing with black) makes it not participate in work by some mode, as shown in Figure 1.Such as, cutting off from motor circuit of remaining 9 coil portion 28, and only allow 1 coil portion access in motor circuit.
Fig. 2 is that gas turbine starter-generator is as rough schematic view during generator.As shown in Figure 2, after starter-generator structure 10 drives described gas turbine to its self-sustain speed, starter-generator structure 10 switches to generator and uses.Described gas turbine drives described generator to make it reach power 200KW to carry out power generation operation, and now, described 10 coil portions 28 all participate in work.
It should be noted that no matter starter-generator structure 10 is as generator or starting electrical machinery, and rotating shaft 22 directly drives combination with gas turbine main shaft 12 all the time.So, both can avoid rotating shaft 22 and gas turbine main shaft 12 because of meshing, depart from the wearing and tearing produced, and simplify apparatus structure, reduce costs.
In superincumbent specific embodiment, be described for the 26S Proteasome Structure and Function of gas turbine to starter-generator provided by the present invention, should be understood that, starter-generator structure provided by the present invention is not merely applicable to gas turbine, is also applicable to other power plant.
In sum, the invention provides a kind of gas turbine starter-generator structure.The rotor of described starter-generator adopts permanent magnet, and its stator adopts electromagnetism winding, and in the axial direction, stator electromagnet coil is divided into some parts, when starter-generator is as starting electrical machinery, in order to realize small-power, and only part electromagnetic coil participation work; When starter-generator is as generator, whole stator electromagnet coil participation work.Starter-generator structure of the present invention is simple, easy for installation, and itself and gas turbine main shaft directly drive combination, eliminate the problem of wearing and tearing.
Concept described herein may be embodied to other form when not departing from its spirit and characteristic.Disclosed specific embodiment should be regarded as exemplary instead of restrictive.Therefore, scope of the present invention is by appended claim, instead of determines according to these descriptions before.Any change in the letter and equivalency range of claim all should belong to the scope of these claims.
Claims (9)
1. a gas turbine starter-generator structure, comprise stator and the rotor relative to described stator rotation, it is characterized in that, described rotor comprises rotating shaft and is fixed to the permanent magnet of described rotating shaft, and described stator comprises stator coil, and described stator coil comprises some coil portions, when as generator, described some coil portions all participate in work, and when as starting electrical machinery, in described some coil portions, only coil sections portion participates in work.
2. gas turbine starter-generator structure as claimed in claim 1, it is characterized in that, described some coil portions are along the axial distribution of described starter-generator.
3. gas turbine starter-generator structure as claimed in claim 1 or 2, it is characterized in that, the main shaft of described rotating shaft and gas turbine directly drives combination.
4. gas turbine starter-generator structure as claimed in claim 3, it is characterized in that, no matter described starter-generator is as generator or starting electrical machinery, and described rotating shaft is all combined with the main shaft of described gas turbine.
5. gas turbine starter-generator structure as claimed in claim 4, is characterized in that, after described starter-generator drives described gas turbine to its self-sustain speed as starting electrical machinery, described starter-generator switches to generator and uses.
6. gas turbine starter-generator structure as claimed in claim 1, it is characterized in that, during as starter-generator, the power of described starter-generator is 20KW, and during as generator, the power of described generator is 200KW.
7. a gas turbine, comprise gas turbine main shaft, the gas compressor be fixedly connected with described gas turbine main shaft and turbine and the firing chamber be connected between described gas compressor and turbine, it is characterized in that, described gas turbine also comprises starter-generator structure, described starter-generator structure comprises stator and the p-m rotor relative to described stator rotation, described stator comprises stator coil, described stator coil comprises some coil portions, when as generator, described some coil portions all participate in work, when as starting electrical machinery, in described some coil portions, only coil sections portion participates in work, no matter described starter-generator is as generator or starting electrical machinery, described p-m rotor directly drives combination with described gas turbine main shaft all the time.
8. gas turbine starter-generator structure as claimed in claim 7, is characterized in that, after described starter-generator drives described gas turbine to its self-sustain speed as starting electrical machinery, described starter-generator switches to generator and uses.
9. gas turbine starter-generator structure as claimed in claim 7, it is characterized in that, described some coil portions are along the axial distribution of described starter-generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510514599.5A CN105003342A (en) | 2015-08-20 | 2015-08-20 | Gas turbine and starter-generator structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510514599.5A CN105003342A (en) | 2015-08-20 | 2015-08-20 | Gas turbine and starter-generator structure thereof |
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| CN105003342A true CN105003342A (en) | 2015-10-28 |
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| CN201510514599.5A Pending CN105003342A (en) | 2015-08-20 | 2015-08-20 | Gas turbine and starter-generator structure thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017028318A1 (en) * | 2015-08-20 | 2017-02-23 | 深圳智慧能源技术有限公司 | Gas turbine and starter-generator structure thereof |
| CN107120195A (en) * | 2017-06-30 | 2017-09-01 | 上海和兰透平动力技术有限公司 | gas turbine closed hydraulic starting system |
| CN107435591A (en) * | 2016-05-27 | 2017-12-05 | 中国航发商用航空发动机有限责任公司 | Aero-Engine Start system, starting method and aero-engine |
| CN109113803A (en) * | 2018-11-09 | 2019-01-01 | 上海尚实能源科技有限公司 | Rotor startup structure for turbogenerator |
| CN110291282A (en) * | 2016-12-15 | 2019-09-27 | 通用电气航空系统有限责任公司 | Air Turbine Starter with separator |
| CN114687902A (en) * | 2020-12-31 | 2022-07-01 | Ip传输控股公司 | System, method and electric power transmission system for starting engine |
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| US20030184245A1 (en) * | 2002-04-01 | 2003-10-02 | Nissan Motor Co., Ltd. | Drive of rotary electric machine |
| CN1622446A (en) * | 2003-11-28 | 2005-06-01 | 通用电气公司 | Method and apparatus for starting a gas turbine using a polyphase electric power generator |
| CN101197520A (en) * | 2006-12-07 | 2008-06-11 | 通用电气公司 | Double-sided starter-generator for aircraft |
| CN103277193A (en) * | 2013-06-20 | 2013-09-04 | 中煤科工集团重庆研究院 | Combustion gas turbine power generation method adopting low calorific value gas to perform catalytic combustion |
| CN204827674U (en) * | 2015-08-20 | 2015-12-02 | 深圳智慧能源技术有限公司 | Gas turbine and starter -generator structure thereof |
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Patent Citations (6)
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| CN1170814A (en) * | 1996-04-26 | 1998-01-21 | 株式会社东芝 | Control method and device for power generating equipment of gas turbine |
| US20030184245A1 (en) * | 2002-04-01 | 2003-10-02 | Nissan Motor Co., Ltd. | Drive of rotary electric machine |
| CN1622446A (en) * | 2003-11-28 | 2005-06-01 | 通用电气公司 | Method and apparatus for starting a gas turbine using a polyphase electric power generator |
| CN101197520A (en) * | 2006-12-07 | 2008-06-11 | 通用电气公司 | Double-sided starter-generator for aircraft |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017028318A1 (en) * | 2015-08-20 | 2017-02-23 | 深圳智慧能源技术有限公司 | Gas turbine and starter-generator structure thereof |
| CN107435591A (en) * | 2016-05-27 | 2017-12-05 | 中国航发商用航空发动机有限责任公司 | Aero-Engine Start system, starting method and aero-engine |
| CN107435591B (en) * | 2016-05-27 | 2019-07-02 | 中国航发商用航空发动机有限责任公司 | Aero-Engine Start system, starting method and aero-engine |
| CN110291282A (en) * | 2016-12-15 | 2019-09-27 | 通用电气航空系统有限责任公司 | Air Turbine Starter with separator |
| CN110291282B (en) * | 2016-12-15 | 2021-12-31 | 通用电气航空系统有限责任公司 | Air turbine starter with separator |
| US11333078B2 (en) | 2016-12-15 | 2022-05-17 | Ge Aviation Systems Llc | Air turbine starter with decoupler |
| CN107120195A (en) * | 2017-06-30 | 2017-09-01 | 上海和兰透平动力技术有限公司 | gas turbine closed hydraulic starting system |
| CN109113803A (en) * | 2018-11-09 | 2019-01-01 | 上海尚实能源科技有限公司 | Rotor startup structure for turbogenerator |
| CN114687902A (en) * | 2020-12-31 | 2022-07-01 | Ip传输控股公司 | System, method and electric power transmission system for starting engine |
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Application publication date: 20151028 |