CN107178461A - A kind of self-contained turbine-generator units of horizontal mini - Google Patents
A kind of self-contained turbine-generator units of horizontal mini Download PDFInfo
- Publication number
- CN107178461A CN107178461A CN201710598238.2A CN201710598238A CN107178461A CN 107178461 A CN107178461 A CN 107178461A CN 201710598238 A CN201710598238 A CN 201710598238A CN 107178461 A CN107178461 A CN 107178461A
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- Prior art keywords
- generator
- turbine
- self
- miniature brushless
- chassis
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Turbines (AREA)
Abstract
The invention discloses a kind of self-contained turbine-generator units of horizontal mini, including the chassis being arranged in ground base, the micro hydraulic turbine being fixedly mounted on the left of the chassis upper and the miniature brushless excitation generator being fixedly mounted on the right side of the chassis upper；The inner rotation of the miniature brushless excitation generator sets main shaft, and the front-end of spindle is arranged on by two ball bearings in the drive end bearing bracket of the miniature brushless excitation generator, and the leading section of the main shaft is fixedly installed on the runner of the micro hydraulic turbine；The rear-end of spindle is arranged on by cylinder roller bearing in the rear end cap of the miniature brushless excitation generator, and the rearward end of the main shaft is fixedly connected with flywheel.The present invention can not only be developed and utilized to reusable edible under covering in production usually, life or the waterpower resourses of multiple action, and simple in construction, it is not necessary to carried out assembled in situ and the debugging of complexity, substantially reduced power station construction-time.
Description
Technical field
The present invention relates to technical field of new energy development, more particularly, to a kind of self-contained turbine-generator units of horizontal mini.
Background technology
With the aggravation of the current energy more and more nervous and atmosphere pollution, new energy is developed just imperative.Waterpower
Resource is exactly such a new energy, it clean, it is green, environmentally friendly, renewable.However, in our production usually, lives
Under cover more reusable edible or the water resource of multiple action not yet obtain finding once obtaining with exploitation, this part resource
Excavate with developing, economic benefit, social benefit can be brought to social development, bigger effect has been given play to enhancement of environment.
As shown in figure 1, the horizontal hydrogenerator group used at present is all by the way of four fulcrums, including the hydraulic turbine 1,
Radial thrust sliding bearing 2, flywheel 3, bush(ing) bearing 4, shaft coupling 5, generator 6 and AC exciter 7, this four fulcrum
Structure is not only complicated loose, and manufacturing cost is high, and because unit axial length dimension is larger, exist floor space it is big,
The problem of power station civilwork engineering quantity is greatly and power station investment is high, and four fulcrum hydrogenerator two ends use rolling bearing,
It is easily damaged, inconvenience is installed and safeguarded, in addition, traditional four point horizontals turbine-generator units are often using bulk type assembling side
Formula, that is, by the hydraulic turbine and the generator mode that assembly is debugged at the scene, this bulk type assembling mode considerably increases hair
The construction-time of group of motors, with the long-distance development of current national hydropower, former four fulcrum structure is increasingly not suitable with water power
The requirement of industry.
Due to using traditional four fulcrum and horizontal hydrogenerator group exist these problems to promote install water wheels hair
Group of motors brings certain obstruction so that reusable edible under covering or multiple action in our production usually, lives
Waterpower resourses cannot get due exploitation.Accordingly, it would be desirable to a kind of self-contained turbine-generator units of new horizontal mini are designed,
Above mentioned problem can be avoided.
Authorization Notice No. provides a kind of horizontal mixed-flow water turbine generator set for CN 103206335B patent of invention, should
Turbine-generator units include the hydraulic turbine, main shaft, thrust bearing, generator, rear guide bearing and flywheel, and main shaft is erected at thrust bearing
On rear guide bearing；The described hydraulic turbine includes water inlet pipe, runner, stator, water distributor, spiral case, draft tube, top lid and bottom
Ring, water inlet pipe is connected and composed by multistage penstock by flange, and terminal pressure steel pipe is connected with described spiral case, described
Spiral case, which is arranged in the outside of top cover, top cover, is provided with fixed guide vane device, one end connection spiral case of fixed guide vane device.The hair
It is bright by between lower ring and base ring and top cover set thrust water cavity, the water under high pressure of terminal pressure steel pipe is guided into thrust water
Chamber, makes runner have axial reaction force with balancing axial thrust by water under high pressure, reduces the stress of thrust bearing shoe valve, and then reduce
Unit thrust bearing segment temperature, reduces accident rate, it is ensured that the normal operation of unit.However, the invention still uses traditional four
Point structure, it is impossible to overcome complicated loose, manufacturing cost height, the shortcoming that size is larger, floor space is big, civil engineering amount is big.
The A of patent application publication CN 104141581 patent of invention discloses a kind of self-contained bulb water turbine
Group, the unit includes the hydraulic turbine, generator and speed increaser, and the generator has main shaft, and the micro hydraulic turbine has runner,
Generator shaft and rotary wheel of water turbine level connection joint, are provided with speed increaser between the generator and the hydraulic turbine.The invention will increase
Fast device is used for bulb water turbine group, it is to avoid using the generator of large number of poles, and rotational speed of water turbine is relatively low, passes through speed increaser
Rotating speed is improved, the rotating speed of generator is reached, equipment investment is advantageously reduced and is easy to unit to arrange, complete equipment is in factory
Assemble and debug, directly shipping to power station is installed after the assay was approved, reduces building site installation workload.However, the invention is not
Suitable for horizontal water turbine.
The content of the invention
In view of this, the purpose of the present invention is that there is provided a kind of self-contained water wheels hair of horizontal mini in view of the shortcomings of the prior art
Group of motors, can not only be carried out to reusable edible under covering in production usually, life or the waterpower resourses of multiple action
Develop, and it is simple in construction, it is not necessary to assembled in situ and the debugging of complexity are carried out, when substantially reducing power station construction
Between.
To reach above-mentioned purpose, the present invention uses following technical scheme：
A kind of self-contained turbine-generator units of horizontal mini, including the chassis being arranged in ground base, are fixedly mounted on the bottom
The micro hydraulic turbine of disk upper left-hand and the miniature brushless excitation generator being fixedly mounted on the right side of the chassis upper；
The inner rotation of the miniature brushless excitation generator sets main shaft, and the front-end of spindle is arranged on by two ball bearings
In the drive end bearing bracket of the miniature brushless excitation generator, and the leading section of the main shaft is fixedly installed on the micro hydraulic turbine
On runner；
The rear-end of spindle is arranged on by cylinder roller bearing in the rear end cap of the miniature brushless excitation generator, the master
The rearward end of axle is fixedly connected with flywheel.
AC exciter is set on the main shaft and on the inside of the cylinder roller bearing.
The micro hydraulic turbine side sets manual and electric double-purpose speed regulator.
The chassis includes horizontal stand, is arranged on the vertical stand of the horizontal stand upper right, and be arranged on
The auxiliary rack of the vertical stand right flank.
The vertical stand right flank sets two row's bolts hole, and the auxiliary rack is bolted on the bolt hole
It is interior, and the auxiliary rack can realize the height of the auxiliary rack according to the bolt hole of selection different height.
Adjustment plate is set between the miniature brushless excitation generator bottom and the chassis.
Two hangers are set on the miniature brushless excitation generator.
The beneficial effects of the invention are as follows：
The present invention is directed to current horizontal hydrogenerator group due to by the way of four fulcrums, not only complicated loose, system
Cause high, and because unit axial length dimension is larger, there is that floor space is big, power station civilwork engineering quantity is big and power station is thrown
The problem of providing high, and four fulcrum hydrogenerator two ends use rolling bearing, are easily damaged, and inconvenience is installed and safeguarded,
In addition, traditional four point horizontals turbine-generator units often use bulk type assembling mode, that is, by the hydraulic turbine and generator
The mode of assembled debugging at the scene, this bulk type assembling mode considerably increase the construction-time of generating set the problems such as,
There is provided a kind of horizontal mini self-contained turbine-generator units, including the chassis being arranged in ground base, it is fixedly mounted on chassis
Micro hydraulic turbine on the left of portion and the miniature brushless excitation generator being fixedly mounted on the right side of chassis upper, this generating set are adopted
With the microminiature equipment belt of micro hydraulic turbine and miniature brushless excitation generator come condition richly endowed by nature so that micro hydraulic turbine
With miniature brushless excitation generator can by chassis it is self-contained together with, generating set can either be fulfiled ahead of schedule so in factory
Related commissioning work, be that being built on-site for power station has won valuable time, be that the popularization of horizontal hydrogenerator is paved
Road.Wherein, main shaft is set in the inner rotation of miniature brushless excitation generator, and front-end of spindle passes through two ball bearings
In the drive end bearing bracket for being arranged on miniature brushless excitation generator, and the leading section of main shaft is fixedly installed on the runner of micro hydraulic turbine
On, while rear-end of spindle is arranged on by cylinder roller bearing in the rear end cap of miniature brushless excitation generator, and in main shaft
Rearward end is fixedly connected with flywheel.
Advantages of the present invention essentially consists in the following aspects：
（1）Using head is low, flow is small, there can be user to manage by oneself, jointly organize, to solve domestic lighting, household electricity or production, processing
Part electricity consumption in factory building.
（2）It is simple in construction, it is lightweight, save production cost.Compared with bulk type hydrogenerator unit, this generating set
It is changed into two fulcrum forms from four traditional fulcrum forms, has saved a set of thrust bearing and journal bearing, saves about 1 ton of weight.
（3）Globality is strong, is easy to carry and installs, simple to operate, easy to use, maintenance cost is low.Using by Miniature water
Turbine and miniature brushless excitation generator are commonly assembled on chassis, eliminate bulk type hydrogenerator unit in the anti-of power station
Retrial is filled, and horizontal self-contained turbine-generator units are manufacturer has just been installed, test-run a machine is finished, and user only need to be by chassis and ground
With foundation bolt drawing.
（4）Unit output voltage may be designed as in 380/220V, isolated power network without ascending, descending pressure；Furthermore it is also possible to meet
Online condition, is powered online operation.
（5）Set structure is compact, due to having saved a set of thrust bearing and journal bearing so that the axial direction of this generating set
Spacing is shortened dramatically, and then reduces the construction area of factory building, reduces the excavated volume and amount of concrete in power station, and reduction power plant building is thrown
Provide cost.
（6）Supporting strong applicability, the waterpower resourses comprehensive exploitation that can combine other industries goes out more new energy.
（7）The power plant construction cycle is short, produces effects fast, substantially increases the economic benefit in power station.
The present invention is by repeatedly putting into production, and in the industrial water generating for applying to chemical plant, it, which need to only choose, has
Head of one section of drop to determine the hydraulic turbine, the caliber that current pass through determines maximum stream flow, and selection installs corresponding horizontal
Miniature self-contained turbine-generator units, the current into unit are reached by being returned after acting further through tail water elbow in another caliber
Recycling for water is arrived, the electricity sent can both meet the productive power in chemical plant, and a part of business valency can be realized again
Value, such a structure of customer responsiveness is easy for installation, reliable, economically feasible.
Brief description of the drawings
Fig. 1 is existing horizontal hydrogenerator group structural representation；
Fig. 2 shows that main view is intended to for the structure of the present invention；
Fig. 3 is structure schematic top plan view of the invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme to the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of embodiment, rather than whole embodiments.Based on described embodiments of the invention, ordinary skill
The every other embodiment that personnel are obtained, belongs to the scope of protection of the invention.
Embodiment 1：
As shown in Figures 2 and 3, the self-contained turbine-generator units of a kind of horizontal mini, including the chassis 1 being arranged in ground base,
It is fixedly mounted on the micro hydraulic turbine 2 of the upper left-hand of chassis 1 and is fixedly mounted on the miniature of the upper right of chassis 1
Brushless excitation generator 3.
The inner rotation of the miniature brushless excitation generator 3 sets main shaft 4, and the front end of main shaft 4 passes through two ball axles
5 are held to be arranged in the drive end bearing bracket 6 of the miniature brushless excitation generator 3, and the main shaft 4 leading section be fixedly installed on it is described
On the runner 7 of micro hydraulic turbine 2.
The rear end of main shaft 4 is arranged on the rear end cap 9 of the miniature brushless excitation generator 3 by cylinder roller bearing 8
Interior, the rearward end of the main shaft 4 is fixedly connected with flywheel 10.
There is provided a kind of self-contained turbine-generator units of horizontal mini, including the bottom being arranged in ground base in the embodiment
Disk, the micro hydraulic turbine being fixedly mounted on the left of chassis upper and the miniature brushless excitation being fixedly mounted on the right side of chassis upper
Generator, this generating set using the microminiature equipment belt of micro hydraulic turbine and miniature brushless excitation generator come it is richly endowed by nature
Condition so that micro hydraulic turbine and miniature brushless excitation generator can by chassis it is self-contained together with, so in factory both
The related commissioning work of generating set can be fulfiled ahead of schedule, be that being built on-site for power station has won valuable time, be horizontal
Road has been paved in the popularization of hydrogenerator.
Wherein, main shaft is set in the inner rotation of miniature brushless excitation generator, and front-end of spindle passes through two ball axles
Hold and be arranged in the drive end bearing bracket of miniature brushless excitation generator, and the leading section of main shaft is fixedly installed on the runner of micro hydraulic turbine
On, while rear-end of spindle is arranged on by cylinder roller bearing in the rear end cap of miniature brushless excitation generator, and in main shaft
Rearward end is fixedly connected with flywheel, and uses the form of micro hydraulic turbine and the same main shaft of microgenerator, reduces unit spacing,
And then add the stability of unit operation.The present invention can not only be to recyclable profit under covering in production usually, life
With or the waterpower resourses of multiple action develop and utilize, it is and simple in construction, it is not necessary to carry out complicated assembled in situ and tune
Examination, substantially reduces power station construction-time.
Embodiment 2：
As shown in Figures 2 and 3, it is with the difference of embodiment 1：On the main shaft 4 and in the cylinder roller bearing 8
Side sets AC exciter 11.
The micro hydraulic turbine 2 sets manual and electric double-purpose speed regulator 12 sideways.
In the embodiment, in order to further reduce the volume of this generating set, this generating set abandoned it is traditional
The topology layout of AC exciter is independently arranged on the rear end main shaft of hydrogenerator, AC exciter is arranged in circle
On main shaft on the inside of post roller bearing, such AC exciter is self-contained within the rear end cap of miniature brushless excitation generator, greatly
Unit volume is reduced greatly, also avoids traditional four fulcrums turbine-generator units in bulk from needing to assemble and debug AC excitation at the scene
The trouble of machine.
In addition, in order to reduce manufacturing cost, improving the market competitiveness, the speed regulator of the hydraulic turbine does not select expensive liquid
Speed regulator is pressed, existing manual and electric double-purpose speed regulator is used uniformly.
Embodiment 3：
As shown in Fig. 2 the difference of itself and embodiment 2 is：The chassis 1 includes horizontal stand 13, is arranged on the horizontal stand
The vertical stand 14 of the upper right of frame 13, and it is arranged on the auxiliary rack 15 of the right flank of vertical stand 14.
In the embodiment, for the ease of manufacture, chassis, which is used, includes the knot of horizontal stand, vertical stand and auxiliary rack
Structure, horizontal stand, vertical stand and auxiliary rack weld together again after can completing respectively, so as to improve the system on chassis
Make efficiency.
Embodiment 4：
As shown in Fig. 2 the difference of itself and embodiment 3 is：The right flank of vertical stand 14 sets two row's bolts hole, described auxiliary
Stand 15 is helped to be bolted in the bolt hole, and the auxiliary rack 15 can be according to the bolt for selecting different height
Realize the height of the auxiliary rack 15 in hole.
Adjustment plate 16 is set between the bottom of miniature brushless excitation generator 3 and the chassis 1.
Two hangers 17 are set on the miniature brushless excitation generator 3.
It is right in vertical stand for the ease of changing the AC exciter of different-diameter specification as needed in the embodiment
Side is provided with two row's bolts hole, and auxiliary rack is bolted in bolt hole, so as to ensure that auxiliary rack being capable of basis
Select the bolt hole of different height to adjust the height of auxiliary rack, and then be conveniently replaceable the AC excitation of different-diameter specification
Machine.In addition, the height for the ease of adjusting miniature brushless excitation generator, miniature brushless excitation generator bottom and chassis it
Between adjustment plate is set.In addition, for the ease of lifting miniature brushless excitation generator and associated component, being generated electricity in miniature brushless excitation
Two hangers are provided with machine.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this area is common
Other modifications or equivalent substitution that technical staff is made to technical scheme, without departing from technical solution of the present invention
Spirit and scope, all should cover among scope of the presently claimed invention.
Claims (7)
1. a kind of self-contained turbine-generator units of horizontal mini, it is characterised in that：It is fixed including the chassis being arranged in ground base
Micro hydraulic turbine on the left of the chassis upper and miniature brushless encouraging of being fixedly mounted on the right side of the chassis upper
Magnetic generator；
The inner rotation of the miniature brushless excitation generator sets main shaft, and the front-end of spindle is arranged on by two ball bearings
In the drive end bearing bracket of the miniature brushless excitation generator, and the leading section of the main shaft is fixedly installed on the micro hydraulic turbine
On runner；
The rear-end of spindle is arranged on by cylinder roller bearing in the rear end cap of the miniature brushless excitation generator, the master
The rearward end of axle is fixedly connected with flywheel.
2. the self-contained turbine-generator units of a kind of horizontal mini according to claim 1, it is characterised in that：On the main shaft and
AC exciter is set on the inside of the cylinder roller bearing.
3. the self-contained turbine-generator units of a kind of horizontal mini according to claim 1, it is characterised in that：The miniature water wheels
Pusher side face sets manual and electric double-purpose speed regulator.
4. the self-contained turbine-generator units of a kind of horizontal mini according to any one of claims 1 to 3, it is characterised in that：Institute
Stating chassis includes horizontal stand, is arranged on the vertical stand of the horizontal stand upper right, and be arranged on the vertical stand
The auxiliary rack of frame right flank.
5. the self-contained turbine-generator units of a kind of horizontal mini according to claim 4, it is characterised in that：The vertical stand
Right flank sets two row's bolts hole, and the auxiliary rack is bolted in the bolt hole, and the auxiliary rack energy
Enough bolts hole according to selection different height realize the height of the auxiliary rack.
6. the self-contained turbine-generator units of a kind of horizontal mini according to claim 1, it is characterised in that：It is described miniature brushless
Adjustment plate is set between excitation generator bottom and the chassis.
7. the self-contained turbine-generator units of a kind of horizontal mini according to claim 1, it is characterised in that：It is described miniature brushless
Two hangers are set on excitation generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710598238.2A CN107178461A (en) | 2017-07-21 | 2017-07-21 | A kind of self-contained turbine-generator units of horizontal mini |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710598238.2A CN107178461A (en) | 2017-07-21 | 2017-07-21 | A kind of self-contained turbine-generator units of horizontal mini |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107178461A true CN107178461A (en) | 2017-09-19 |
Family
ID=59838092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710598238.2A Pending CN107178461A (en) | 2017-07-21 | 2017-07-21 | A kind of self-contained turbine-generator units of horizontal mini |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107178461A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917033A (en) * | 2018-01-09 | 2018-04-17 | 河南新飞纪元节能科技股份有限公司 | Easily overhaul miniature self-contained mixed-flow horizontal turbine-generator units |
| CN109687636A (en) * | 2019-03-04 | 2019-04-26 | 卧龙电气驱动集团股份有限公司 | A kind of distribution inertia type brushless excitation synchronous generator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60243371A (en) * | 1984-05-18 | 1985-12-03 | Hitachi Ltd | Structure of tube water turbine |
| CN2178792Y (en) * | 1993-06-26 | 1994-10-05 | 重庆电机厂 | Prone-axle two-flucrum end cover type relling bearing water turbine unit |
| CN201884195U (en) * | 2010-12-23 | 2011-06-29 | 重庆赛力盟电机有限责任公司 | Shaft-extension tubular generator set with two fulcrums |
| US20140161642A1 (en) * | 2011-07-27 | 2014-06-12 | Dlz Corporation | Horizontal-Axis Hydrokinetic Water Turbine System With Water Pump |
| CN104141581A (en) * | 2013-05-10 | 2014-11-12 | 江苏航天水力设备有限公司 | Integrated bulb type water-turbine generating set |
| CN104141579A (en) * | 2013-05-10 | 2014-11-12 | 江苏航天水力设备有限公司 | Integrated shaft-extension tubular water-turbine generating set |
-
2017
- 2017-07-21 CN CN201710598238.2A patent/CN107178461A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60243371A (en) * | 1984-05-18 | 1985-12-03 | Hitachi Ltd | Structure of tube water turbine |
| CN2178792Y (en) * | 1993-06-26 | 1994-10-05 | 重庆电机厂 | Prone-axle two-flucrum end cover type relling bearing water turbine unit |
| CN201884195U (en) * | 2010-12-23 | 2011-06-29 | 重庆赛力盟电机有限责任公司 | Shaft-extension tubular generator set with two fulcrums |
| US20140161642A1 (en) * | 2011-07-27 | 2014-06-12 | Dlz Corporation | Horizontal-Axis Hydrokinetic Water Turbine System With Water Pump |
| CN104141581A (en) * | 2013-05-10 | 2014-11-12 | 江苏航天水力设备有限公司 | Integrated bulb type water-turbine generating set |
| CN104141579A (en) * | 2013-05-10 | 2014-11-12 | 江苏航天水力设备有限公司 | Integrated shaft-extension tubular water-turbine generating set |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917033A (en) * | 2018-01-09 | 2018-04-17 | 河南新飞纪元节能科技股份有限公司 | Easily overhaul miniature self-contained mixed-flow horizontal turbine-generator units |
| CN107917033B (en) * | 2018-01-09 | 2024-01-23 | 河南新飞纪元节能科技股份有限公司 | Miniature integral mixed flow horizontal hydroelectric generating set easy to overhaul |
| CN109687636A (en) * | 2019-03-04 | 2019-04-26 | 卧龙电气驱动集团股份有限公司 | A kind of distribution inertia type brushless excitation synchronous generator |
| CN109687636B (en) * | 2019-03-04 | 2023-09-15 | 卧龙电气驱动集团股份有限公司 | Distributed inertia type brushless excitation synchronous generator |
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Application publication date: 20170919 |