CN203104234U - Double air gap hybrid excitation direct drive switched reluctance wind turbine and its unit system - Google Patents
Double air gap hybrid excitation direct drive switched reluctance wind turbine and its unit system Download PDFInfo
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- CN203104234U CN203104234U CN201220728659.5U CN201220728659U CN203104234U CN 203104234 U CN203104234 U CN 203104234U CN 201220728659 U CN201220728659 U CN 201220728659U CN 203104234 U CN203104234 U CN 203104234U
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- 230000005284 excitation Effects 0.000 title claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims description 40
- 238000004804 winding Methods 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 6
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 5
- 238000007667 floating Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 244000287680 Garcinia dulcis Species 0.000 abstract 1
- 230000018109 developmental process Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
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- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
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- 230000007246 mechanism Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000006578 abscission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 230000005684 electric field Effects 0.000 description 1
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model relates to a double-air-gap hybrid excitation direct drive switched reluctance wind power generator and a unit system thereof. The power generator comprises a main bearing, an inner stator, an outer stator and a rotor. The inner stator is provided with a centering bearing for centering purpose. The unit system comprises a vane hub, a power converter, a direct current battery, an inverter and load, a control system, an auxiliary power supply and the wind power generator. The vane hub is connected with the main bearing of the double-air-gap hybrid excitation switched reluctance wind power generator, the rotary disc of the rotor and the rotor. The double-air-gap hybrid excitation switched reluctance wind power generator is connected with the power converter. The direct current battery is connected in parallel among the power converter, the inverter and the load. The direct current battery, the power converter and the auxiliary power supply are connected with the control system respectively. According to the technical scheme of the utility model, the motor power density, the effective material utilization rata and motor power factors are improved greatly. Meanwhile, the weight, the cost, the vibration and the noise of the motor are reduced greatly.
Description
Technical field
The utility model relates to switching magnetic-resistance wind-driven generator field, particularly relates to a kind of pair of air gap composite excitation and directly drives switching magnetic-resistance wind-driven generator and machine set system thereof.
Background technology
Continuous development along with the wind-powered electricity generation industry, wind power technology is also constantly being upgraded, is being regenerated, mainly show as: improve single-machine capacity, the development new technology is improved the wind-powered electricity generation unit performance, improves wind energy utilization, reduces wind power cost, paid attention to aspects such as wind-powered electricity generation unit safety and system reliability control more, wind energy turbine set operation control, prediction dispatching technique are also constantly perfect.Simultaneously, utilize the wind energy on the sea resource, development marine wind electric field construction technique, the large-scale offshore wind farm machine of development consist of the technical development emphasis.
Switch reluctance generator is applied to wind power system, is the important breakthrough that switched reluctance machines is used at new energy field.
Switch reluctance generator is simple in structure, brushless on the rotor, no winding, no permanent magnet.Be equivalent to a current source during its operation, in certain range of speeds, output end voltage can not change along with change in rotational speed like this, and obviously, the such variable-speed generator of switch reluctance generator can improve the utilization ratio of wind energy.Because top characteristic is arranged, switch reluctance generator can be realized higher generating efficiency under wind-force directly drives, thereby has saved gear box, makes the whole generating system configuration more succinctly, reliably, and this is the development trend of wind generator system just also.In the running, the switch reluctance generator controllable parameter is many, as turn-on angle, the pass angle of rupture etc., can realize the control strategy of more complicated easily, controls output dc voltage and electric current flexibly.Consider that from the characteristics of wind power generation wind generator system at first will be converted to the wind energy that constantly changes the alternating current of frequency, voltage constant or the direct current of voltage constant, and want the above-mentioned power conversion of high efficiency realization, to reduce cost.With this standard, the switched reluctance machines wind generator system is that application prospect is arranged very much aspect wind power generation.
Yet above-mentioned switching magnetic-resistance wind-driven generator is but found also to have some shortcomings in its structure when reality is used, and fail to reach best result of use, and its shortcoming can be summarized as follows:
1. along with the increase of power of motor, switched reluctance machines is compared with magneto, problem such as the effective rate of utilization that also exists the efficient of system and material is low, vibration and noise is big, and power factor is lower.
2. conventional switch reluctance motor stator armature winding current is born the double action of excitation and generation electromagnetic torque simultaneously, has influenced its use in the direct-drive wind power generation field and has promoted.
3. the inside and outside stator armature electric current of two air gap electricity field switch reluctance generators is born excitation simultaneously and is produced the double action of electromagnetic torque, and winding and inverter capacity requirement are bigger, and the efficient and the stock utilization of system are lower.
This shows that above-mentioned existing switching magnetic-resistance wind-driven generator obviously still has inconvenience and defective, and demands urgently further being improved in structure, method and use.How to found a kind of power of motor density height, new two air gap composite excitations that stock utilization is high are directly driven switching magnetic-resistance wind-driven generator and machine set system thereof, becoming the current industry utmost point needs improved target.
The utility model content
The technical problems to be solved in the utility model provides a kind of pair of air gap composite excitation and directly drives the switching magnetic-resistance wind-driven generator, make its raising power of motor density and stock utilization, convenient transportation, thereby overcome the efficient of existing systems and the low deficiency of effective rate of utilization of material.
For solving the problems of the technologies described above, the utility model provides a kind of pair of air gap composite excitation directly to drive the switching magnetic-resistance wind-driven generator, comprises base bearing, internal stator, external stator, rotor, and described internal stator adopts alignment bearing centering.
As a kind of improvement of the present utility model, the utility model can be realized in the following way:
A kind of pair of air gap composite excitation directly driven the switching magnetic-resistance wind-driven generator, and wherein, the floating end of described rotor adopts alignment bearing centering.
A kind of pair of air gap composite excitation directly driven the switching magnetic-resistance wind-driven generator, and wherein, described rotor front end is by rotor rotating disk and base bearing interlock, and described alignment bearing is fixedly mounted on the rotor rotating disk.
A kind of pair of air gap composite excitation directly driven the switching magnetic-resistance wind-driven generator, wherein, described alignment bearing is by bearings, bearing front shaft sleeve, bearing sealing plate, bearing sealed ring dividing plate, bearing sealed ring, bearing front end housing, internal stator alignment bearing, bearing rear axle housing, the fixed installation of bearing rear end cap; Bearings is fixedlyed connected with the rotor rotating disk, and bearing front shaft sleeve and bearing rear axle housing are fixed on the bearings, and alignment bearing is installed between the forward and backward axle sleeve of bearing; Between bearing front end housing and the bearing front shaft sleeve, be provided with bearing sealed ring between bearing rear end cap and the bearing rear axle housing, the forward and backward end cap arranged outside of bearing has bearing sealing plate, is provided with the bearing sealed ring dividing plate between bearing sealing plate and the bearing sealed ring.
A kind of pair of air gap composite excitation directly driven the switching magnetic-resistance wind-driven generator, and wherein, described alignment bearing is a deep groove ball bearing.
A kind of pair of air gap composite excitation directly driven the switching magnetic-resistance wind-driven generator, and wherein, described rotor comprises the non-magnet material layer, and the external rotor magnetic poles and the internal rotor magnetic pole that are arranged on non-magnet material layer both sides.
A kind of pair of air gap composite excitation directly driven the switching magnetic-resistance wind-driven generator, and wherein, described non-magnet material layer is the cast aluminium structure.
A kind of pair of air gap composite excitation directly driven the switching magnetic-resistance wind-driven generator, and wherein, described internal stator and/or external stator winding are for putting in order apart from winding.
In addition, the utility model also provides a kind of wind-driven generator group system, makes it can improve the efficient of wind-driven generator group system.
For solving the problems of the technologies described above, a kind of wind-driven generator group system that the utility model provides, comprise the blade wheel hub, power inverter, dc-battery, inverter and load, control system, accessory power supply and above-mentioned two air gap composite excitations are directly driven the switching magnetic-resistance wind-driven generator, the base bearing of described blade wheel hub and two air gap composite excitation switch magnetic resistance wind-driven generators, rotor rotating disk and rotor connect, two air gap composite excitation switch magnetic resistance wind-driven generators are connected with power inverter, be parallel with dc-battery between power inverter and inverter and the load, dc-battery, power inverter and accessory power supply are connected with control system respectively.
As further improvement, the control system in the wind-driven generator group system of the present utility model comprises drive circuit, over-voltage over-current protection circuit, voltage and current detection circuit, rotor position detection circuit, single-chip microcomputer or DSP minimum system circuit.
After adopting such design, the utility model has the following advantages at least:
1, the two air gap composite excitations in the utility model are directly driven the rotor employing cast aluminium structure of switch reluctance generator, having shortened the motor magnetic line of force distributes, power output density and effective stock utilization of magnetic resistant electric motor with double stator switch have further been improved, improved the power factor of magnetic resistant electric motor with double stator switch, owing to adopted and the similar cast-aluminum rotor of asynchronous squirrel-cage motor, further greatly reduce the weight and the cost of motor, reduced the vibration and noise of switch reluctance generator.
2, directly drive two air gap switch reluctance generators with respect to single air gap switch reluctance generator, the motor output power of unit volume increases, thereby reduces motor volume and weight, has both reduced cost, has made things convenient for transportation again.
3, directly driving two air gap composite excitation switch reluctance generators compares with two air gap electricity field switch reluctance generators, the characteristics that both kept switch reluctance generator, high-performance rare-earth permanent magnet material is used among the generator again, the air gap flux density of generator is produced jointly by armature supply and permanent magnet, make it have that electromagnetic torque is big, copper consumption is few, reduce copper loss, stock utilization height, unit efficiency advantages of higher.
4, the two air gap composite excitations in the utility model are directly driven switch reluctance generator rotor open end, the alignment bearing structure has been adopted in the internal stator open end, can guarantee the concentric of whenever stator and rotor.
5, the kind of drive of the directly driven wind-powered unit in the utility model adopts single shaft to hold supporting way, makes hollow spindle shorter, has greatly simplified drive mechanism, has significantly reduced complete machine length and weight simultaneously.
6, the directly driven wind-powered unit of the utility model adopts single shaft to hold supporting construction when reducing complete machine length, has reduced the distance of wind wheel center to tower tube center, thereby has reduced the tilting moment of driftage bearing and the power that driftage drives.
7, simplify the drive system of wind turbine generator, saved high-power machinery speed change tooth case.
Description of drawings
Above-mentioned only is the general introduction of technical solutions of the utility model, and for can clearer understanding technological means of the present utility model, the utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the structural representation that a kind of pair of air gap composite excitation of the utility model directly driven the switching magnetic-resistance wind-driven generator.
Fig. 2 is the partial enlarged drawing of Fig. 1 rotor centering machine.
Fig. 3 is the partial enlarged drawing of internal stator centering machine among Fig. 1.
Fig. 4 is the stator and rotor profile that a kind of pair of air gap composite excitation of the utility model directly driven the switching magnetic-resistance wind-driven generator.
Fig. 5 is an A place partial enlarged drawing among Fig. 4.
Fig. 6 is a B place partial enlarged drawing among Fig. 4.
Fig. 7 is the composition schematic diagram that a kind of pair of air gap composite excitation of the utility model directly driven the switching magnetic-resistance wind turbine control system.
Embodiment
See also shown in Figure 1ly, some short and small center lines are represented the screw bolt and nut of all size among the figure.The internal stator that a kind of large-scale pair of air gap composite excitation of the utility model directly driven the switching magnetic-resistance wind-driven generator adopts alignment bearing centering, more can be further adopts alignment bearing centering at the floating end of rotor, thereby adopts the supporting construction of three bearings.
Specifically, generator of the present utility model mainly comprises: wheel hub 1, hollow minor axis 2, base bearing 3, forward flange 4, rotor rotating disk 5, generator casing 6, rotor left end ring 7, external stator 8, rotor 9, internal stator 10, internal stator support 11, rotor right-hand member ring 12, the right support 13 of rotor, rear flange 14, frame 15, slip ring support 16, slip ring assembling 17, rotor centering machine 18 and internal stator centering machine 19.
Wheel hub 1 tightens together through fastening bolt with the front end of hollow minor axis 2, the inner ring sleeve of base bearing 3 is contained on the hollow minor axis 2, and it is compressed by rotor rotating disk fastening bolt by rotor rotating disk 5, the outer shroud of base bearing 3 is installed in the bearing pedestal of forward flange 4, and fastening by holding down bolt.Wherein, base bearing 3 preferred double-row roller bearings.
Wheel hub 1 rotates, and drives hollow minor axis 2, rotates the right support 13 of rotor left end ring 7, rotor 9, rotor right-hand member ring 12 and rotor interlock thereupon thereby drive rotor rotating disk 5.
Please cooperate and consult shown in Figure 2ly, rotor centering machine 18 of the present utility model comprises bearing front shaft sleeve 181, bearing sealing plate 182, bearing sealed ring dividing plate 183, bearing sealed ring 184, bearing inner end cap 185, bearing 186 and bearing rear axle housing 187.
Wherein, alignment bearing 186 and fixedly bearing (ball) cover 185, bearing front shaft sleeve 181 and the rear axle housing 187 of alignment bearing 186 positions support 13 and fixedly connected with rotor 9 and rotor right side abscission ring 12 thereof by rotor is right.
Alignment bearing 186 is placed in and supports behind the outer shroud of generator rear flange 14 external parts and the rotor between 13 the interior ring, and front shaft sleeve 181, rear axle housing 187 are positioned on the outer shroud of rear flange 14 external parts, and alignment bearing 186 is installed between the forward and backward axle sleeve 181,187.Be provided with bearing sealed ring 184 between bearing (ball) cover 185 and the front shaft sleeve 181, be provided with bearing sealed ring 184 between bearing (ball) cover 185 and the rear axle housing 187, bearing (ball) cover 185 arranged outside have bearing sealing plate 182, are provided with bearing sealed ring dividing plate 183 between bearing sealing plate 182 and the bearing sealed ring 184.
Bearing (ball) cover 185 is positioned over alignment bearing 186 outsides, and support 13 is fixed together behind fastening bolt and rotor.The external part of generator rear flange 14 is fixed together through fastening bolt and internal stator support 11.
Please cooperate and consult shown in Figure 3ly, internal stator centering machine of the present utility model comprises bearings 191, bearing front shaft sleeve 192, bearing sealing plate 193, bearing sealed ring dividing plate 194, bearing sealed ring 195, bearing front end housing 196, internal stator alignment bearing 197, bearing rear axle housing 198 and bearing rear end cap 199.
Wherein, internal stator alignment bearing 197 and fixedly bearing front end housing 196, bearing rear end cap 199, bearing front shaft sleeve 192 and the bearing rear axle housing 198 of internal stator alignment bearing 197 positions are fixedlyed connected with internal stator 10 by internal stator support 11.
Bearing front end housing 196 is positioned over internal stator alignment bearing 197 outsides with bearing rear end cap 199, and is fixed together through fastening bolt and internal stator support 11.
The alignment bearing of above-mentioned internal stator, rotor can be selected deep groove ball bearing for use.
Form the structure of base bearing support, rotor alignment bearing mechanism, internal stator alignment bearing mechanism supplemental support like this in the driving-chain, simplified the drive system of wind turbine generator.
Please cooperate and consult shown in Figure 4ly, it is different with the conventional switch reluctance generator that the two air gap composite excitations of the utility model are directly driven switch reluctance generator, adopts pair gap structures.Stator comprises external stator 8 and internal stator 10, and rotor 9 is between inside and outside stator 8,10.External stator 8 forms first working gas gap with rotor 9, and rotor 9 forms second working gas gap, the magnetic circuit serial or parallel connection of first working gas gap and second working gas gap with internal stator 10.
Please cooperate and consult shown in Fig. 5,6, it is different with the traditional electrical excitation that the two air gap composite excitations of the utility model are directly driven switch reluctance generator, adopts the composite excitation mode.
Please cooperate and consult shown in Figure 5ly, external stator of the present utility model comprises external stator core 81, slot liner 82, external stator winding 83, external stator magnetic slot-seal 84 and outer permanent magnet 85.
Wherein, be provided with slot liner 82 in stator core 81 grooves, the external stator winding is installed in the external stator core groove, by slot liner 82 and external stator core 81 insulation.External stator winding 83 is provided with magnetic slot-seal 84 near the air gap end, and outer permanent magnet 85 is installed on the inboard of magnetic slot-seal 84.The external stator winding adopts with the conventional switch magnetic resistance concentrates winding different, but adopts whole apart from winding configuration.
Please cooperate and consult shown in Figure 6ly, internal stator of the present utility model comprises inner-stator iron core 101, slot liner 102, internal stator winding 103, internal stator magnetic slot-seal 104 and interior permanent magnet 105.
Be provided with slot liner 102 in inner-stator iron core 101 grooves, internal stator winding 103 is installed in the inner-stator iron core groove, by slot liner 102 and inner-stator iron core 101 insulation.Internal stator winding 103 is provided with magnetic slot-seal 104 near the air gap end, and interior permanent magnet 105 is installed on the outside of magnetic slot-seal 104.The internal stator winding adopts with the conventional switch magnetic resistance concentrates winding different, but adopts whole apart from winding configuration.
The utility model is separately installed with the permanent magnet with the same quantity of inside and outside number of stator slots in inside and outside stator slot, compare with the conventional switch reluctance motor, the utility model has been equivalent in inside and outside stator excitation a permanent magnet magnetic source in parallel, after adopting the composite excitation structure, in the excited work stage of generator, the required magnetic flux of generator is made time spent output magnetic flux sum separately by magnetic flux and inside and outside permanent magnet that inside and outside stator winding exciting current produces, under the situation of identical power output, electric efficiency improves greatly.
Please cooperate and consult shown in Figure 4ly, rotor 9 of the present utility model comprises external rotor magnetic poles 91, non-magnet material layer 92 and internal rotor magnetic pole 93.External rotor magnetic poles 91 is a magnetic conductive material with internal rotor magnetic pole 93, non-magnet material layer 92 preferred cast aluminium structure.The rotor that two air gap composite excitations in the utility model are directly driven switch reluctance generator adopts the cast aluminium structure, has shortened the motor magnetic line of force like this and has distributed, and has further improved power output density and effective stock utilization of magnetic resistant electric motor with double stator switch; Improved the power factor of magnetic resistant electric motor with double stator switch; Owing to adopted and the similar cast-aluminum rotor of asynchronous squirrel-cage motor, further greatly reduced the weight and the cost of motor; Reduced the vibration and noise of switch reluctance generator.
Please cooperate consult shown in Figure 7, wind-driven generator group system of the present utility model comprises that blade wheel hub, power inverter, dc-battery, inverter and load, control system, accessory power supply and above-mentioned two air gap composite excitations directly drive the switching magnetic-resistance wind-driven generator.
Wherein, the biconvex utmost point rotor of wind-driven generator drags rotation by main shaft by the blade wheel hub, is wind energy/mechanical energy conversion device.Simultaneously, wind-driven generator is connected with power inverter, is parallel with dc-battery between power inverter and inverter and the load, and dc-battery, power inverter and accessory power supply are connected with control system respectively.The control command that the power inverter receiving control system sends, the direct current that wind-driven generator is sent is exported to energy storage device---the dc-battery of system, inverter becomes alternating current and directly supplies with AC load with the dc inverter that wind-driven generator is sent in load, accessory power supply for control system provide ± 15V, ± multiple power supplies such as 5V.
Preferable; control system of the present utility model comprises drive circuit, over-voltage over-current protection circuit, voltage and current detection circuit, rotor position detection circuit, single-chip microcomputer or DSP minimum system circuit etc.; the effect of control system; be feedback information and the outside instructions of importing such as motor rotor position, speed and electric current that integrated treatment rotor position detector, electric current and voltage detector provide; realization is to the control of two air gap composite excitation switch reluctance generator running statuses; control each phase winding of inside and outside stator and take turns to operate, realize the conversion of mechanical energy to electric energy.
It should be noted that at last: the above only is preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. two air gap composite excitations are directly driven the switching magnetic-resistance wind-driven generator, comprise base bearing, internal stator, external stator, rotor, it is characterized in that: described internal stator adopts alignment bearing centering.
2. a kind of pair of air gap composite excitation according to claim 1 directly driven the switching magnetic-resistance wind-driven generator, it is characterized in that: the floating end of described rotor adopts alignment bearing centering.
3. a kind of pair of air gap composite excitation according to claim 1 directly driven the switching magnetic-resistance wind-driven generator, it is characterized in that: described rotor front end is by rotor rotating disk and base bearing interlock, and described alignment bearing is fixedly mounted on the rotor rotating disk.
4. a kind of pair of air gap composite excitation according to claim 3 directly driven the switching magnetic-resistance wind-driven generator, it is characterized in that:
Described alignment bearing is by bearings, bearing front shaft sleeve, bearing sealing plate, bearing sealed ring dividing plate, bearing sealed ring, bearing front end housing, internal stator alignment bearing, bearing rear axle housing, the fixed installation of bearing rear end cap;
Bearings is fixedlyed connected with the rotor rotating disk, and bearing front shaft sleeve and bearing rear axle housing are fixed on the bearings, and alignment bearing is installed between the forward and backward axle sleeve of bearing;
Between bearing front end housing and the bearing front shaft sleeve, be provided with bearing sealed ring between bearing rear end cap and the bearing rear axle housing, the forward and backward end cap arranged outside of bearing has bearing sealing plate, is provided with the bearing sealed ring dividing plate between bearing sealing plate and the bearing sealed ring.
5. a kind of pair of air gap composite excitation according to claim 1 directly driven the switching magnetic-resistance wind-driven generator, it is characterized in that: described alignment bearing is a deep groove ball bearing.
6. a kind of pair of air gap composite excitation according to claim 1 directly driven the switching magnetic-resistance wind-driven generator, and it is characterized in that: described rotor comprises the non-magnet material layer, and the external rotor magnetic poles and the internal rotor magnetic pole that are arranged on non-magnet material layer both sides.
7. a kind of pair of air gap composite excitation according to claim 6 directly driven the switching magnetic-resistance wind-driven generator, it is characterized in that: described non-magnet material layer is the cast aluminium structure.
8. a kind of pair of air gap composite excitation according to claim 1 directly driven the switching magnetic-resistance wind-driven generator, it is characterized in that: described internal stator and/or external stator winding are for putting in order apart from winding.
9. wind-driven generator group system, it is characterized in that: comprise the blade wheel hub, power inverter, dc-battery, inverter and load, control system, any one described pair of air gap composite excitation is directly driven the switching magnetic-resistance wind-driven generator among accessory power supply and the claim 1-8, the base bearing of described blade wheel hub and two air gap composite excitation switch magnetic resistance wind-driven generators, rotor rotating disk and rotor connect, two air gap composite excitation switch magnetic resistance wind-driven generators are connected with power inverter, be parallel with dc-battery between power inverter and inverter and the load, dc-battery, power inverter and accessory power supply are connected with control system respectively.
10. wind-driven generator group system according to claim 9 is characterized in that: described control system comprises drive circuit, over-voltage over-current protection circuit, voltage and current detection circuit, rotor position detection circuit, single-chip microcomputer or DSP minimum system circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220728659.5U CN203104234U (en) | 2012-12-26 | 2012-12-26 | Double air gap hybrid excitation direct drive switched reluctance wind turbine and its unit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220728659.5U CN203104234U (en) | 2012-12-26 | 2012-12-26 | Double air gap hybrid excitation direct drive switched reluctance wind turbine and its unit system |
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| Publication Number | Publication Date |
|---|---|
| CN203104234U true CN203104234U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220728659.5U Expired - Lifetime CN203104234U (en) | 2012-12-26 | 2012-12-26 | Double air gap hybrid excitation direct drive switched reluctance wind turbine and its unit system |
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| Country | Link |
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| CN (1) | CN203104234U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023243A (en) * | 2012-12-26 | 2013-04-03 | 国电联合动力技术有限公司 | Double-air-gap hybrid excitation direct drive switched reluctance wind power generator and unit system thereof |
| CZ306869B6 (en) * | 2016-06-08 | 2017-08-16 | Ăšstav termomechaniky AV ÄŚR, v.v.i. | An impulse exciting system of a vane wheel with an increased exciting force |
| CN113565882A (en) * | 2021-07-30 | 2021-10-29 | 北京曙光航空电气有限责任公司 | Front end cover sealing structure for preventing oil leakage of high-speed generator |
-
2012
- 2012-12-26 CN CN201220728659.5U patent/CN203104234U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023243A (en) * | 2012-12-26 | 2013-04-03 | 国电联合动力技术有限公司 | Double-air-gap hybrid excitation direct drive switched reluctance wind power generator and unit system thereof |
| CZ306869B6 (en) * | 2016-06-08 | 2017-08-16 | Ăšstav termomechaniky AV ÄŚR, v.v.i. | An impulse exciting system of a vane wheel with an increased exciting force |
| CN113565882A (en) * | 2021-07-30 | 2021-10-29 | 北京曙光航空电气有限责任公司 | Front end cover sealing structure for preventing oil leakage of high-speed generator |
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