CN107147246A - A kind of ventilation cooling system of scaled bulb tubular hydraulic generator - Google Patents
A kind of ventilation cooling system of scaled bulb tubular hydraulic generator Download PDFInfo
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- CN107147246A CN107147246A CN201710524968.8A CN201710524968A CN107147246A CN 107147246 A CN107147246 A CN 107147246A CN 201710524968 A CN201710524968 A CN 201710524968A CN 107147246 A CN107147246 A CN 107147246A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
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Abstract
A kind of ventilation cooling system of scaled bulb tubular hydraulic generator, hydro-electric power generating equipment technical field, the bubble head and out frame set is fixed and moved altogether including one, it is fixed on the engine block in out frame, and the stator upstream flange between out frame and bubble head is folded in, in addition at least one set of ventilation assembly and at least one set are kept out the wind component, wherein, multiple ventilation assemblies are fixed on stator upstream flange, and it is concyclic it is all uniformly at intervals；The component that keeps out the wind is detachably mounted to the inside of out frame, is built into and is connected with ventilation assembly jointly with stator upstream flange, and single-cycle air feed unit independent each other；With this, by the component that keeps out the wind being arranged on inside out frame, the energy consumption of whole ventilating system is reduced, the confusion of multiple circulating ventilations internally can be avoided, prevents from being vortexed down draught, strengthens the cooling to winding overhang, axial air volume adjustment can effectively be improved, the result of ventilating heat dissipation of unit is improved.
Description
Technical field
It is to be related to one kind specifically the present invention relates to a kind of ventilation cooling system of scaled bulb tubular hydraulic generator
Applied to that in scaled bulb tubular hydraulic generator, can strengthen ventilating and cooling effect, reduction ventilation energy consumption prevents the dirts such as brake dust
Contaminate thing to enter in the ventilating system in closed self-loopa ventilation routes, belong to hydro-electric power generating equipment technical field.
Background technology
The ventilation cooling system of existing bulb tubular hydraulic generating set is general to be cooled down by the way of scattered closing,
Circumferencial direction distribution number Fans being surveyed in stator upstream, cold wind is pressed into stator downstream, Ran Houcong on the inside of rotor field spider
Stator and rotor gap returns to the survey of stator upstream, during the heating of the stator and rotor of unit is taken away, cold wind is changed into hot blast, enters back into sky
Cooler, makes hot blast carry out heat exchange with cooling water, and hot blast is changed into cold wind, then enters blower fan by closed ventilating duct again again,
Circulation is formed, the runner that there is the wind process of cooling is very long, directly affects by wind to take away the efficiency of heat, it cools down effect
Really poor, the dust pollution thing in operation process easily enters in closed self-loopa ventilation routes, directly affects each member of generator
The service life of device.
In the prior art several structure shapes are proposed for the ventilation cooling system of vertical bulb tubular hydraulic generating set
Formula, but all there are various problems：1st, the scaled bulb tubular hydraulic generator that CN201320462960.0 is provided concentrates open type to lead to
Air cooling system, its bubble head is arranged with is divided into cold wind chamber and the bubble crown flange of hot air cavity by bubble head；In out frame
Forebay part be provided with forebay is partitioned into cold-hot wind passage front wind screen, rear cold wind deep bead and rear hot blast keep out the wind
Plate；It is provided with inside out frame and out frame inside division is gone out into cold wind chamber and the vertical deep bead and rotor field spider of hot air cavity,
By the way that air cooler, blower fan are distinguished into centralized and unified arrangement, the cold wind and hot blast of unit are subjected to synthesis respectively, however, should
The ventilation cooling system of design is planted, the runner that its cold wind passes through is very long, directly affects by wind to take away the efficiency of heat, its
Cooling effect is poor, and more difficult maintenance and maintenance；2nd, a kind of through type cooling through-flow water wheels that CN201520299507.1 is provided
The hot blast come out in generator ventilator, tubular-Francis turbine from air outlet assembled by induced draft plate, middle ring, kept out the wind with centre ring
Plate is incorporated into cooler and cooled, and the cold air after cooling is drawn into generator amature branch by ventilating duct by skew wind stream machine
Frame, deep bead, rotor field spider and rotor deep bead formation wind shielding structure, allows generator to form an air with cooling duct
The circulatory system, but the generator ventilator adopted the structure, in actual application, its air passes through multiple works
Make behind region, carry the particle that workpiece is brought due to wearing and tearing at work, directly pass through closed ventilating and cooling cyclic system
System, is again introduced into working region, accelerates the abrasion of workpiece, reduce the service life of complete equipment, and exist larger
Potential safety hazard.
Therefore, ventilating and cooling effect can be strengthened by needing one kind badly, reduced the energy consumption of ventilation, prevented the pollutants such as brake dust from entering
Enter the ventilation cooling system in closed self-loopa ventilation routes, enough blast can be formed, prevent from being vortexed down draught, strengthen opposing connection
The axial air volume adjustment of cooling and improvement of group end, improves the result of ventilating heat dissipation of unit.
The content of the invention
The diameter of bulb tubular hydraulic generating set is small, rotating speed is low, as the blast produced by the elements such as rotor and fan
More conventional hydrogenerator it is much lower.The lt/ τ values of generator are again very big, up to 6~7, so the reasonable design of wind shield device
It is particularly important.
In view of the above-mentioned problems existing in the prior art, it is an object of the invention to provide a kind of scaled bulb tubular hydraulic generator
Ventilation cooling system, can strengthen ventilating and cooling effect, reduction ventilation energy consumption, prevent the pollutants such as brake dust enter it is closed from
In circulating ventilation route, enough blast can be formed, prevent from being vortexed down draught, strengthen the cooling to winding overhang and improve axially
Air volume adjustment, improves the result of ventilating heat dissipation of unit.
For achieving the above object, the technical solution adopted by the present invention is as follows：
A kind of ventilation cooling system of scaled bulb tubular hydraulic generator, including one is fixed and moves the bubble head set altogether
And out frame, it is fixed on the engine block in out frame, and the stator being folded between out frame and bubble head
Flange is swum, in addition at least one set of ventilation assembly and at least one set are kept out the wind component, wherein, multiple ventilation assemblies are fixed on stator
Swim flange on, and it is concyclic it is all uniformly at intervals；The component that keeps out the wind is detachably mounted to the inside of out frame, with stator upper reaches method
Orchid is built into jointly to be connected with ventilation assembly, and single-cycle air feed unit independent each other；It is fixed by being arranged on this
The component that keeps out the wind of sub- base inner, the single-cycle air feed unit built together with stator upstream flange, shortens the cold of air
But stroke, it is to avoid the waste of heat-exchange power, enhances ventilating and cooling effect, reduces the energy consumption of whole ventilating system, and
Due between vent passages independently of one another, form enough blast while, multiple circulating ventilations can be avoided internally
Confusion, prevents from being vortexed down draught, strengthens the cooling to winding overhang, can effectively improve axial air volume adjustment, improve unit
Result of ventilating heat dissipation.
Preferably, in order to lift the effect of ventilation and heat, the concyclic all distributions of axis of the ventilation assembly along out frame.
Preferably, in order to simplify the arrangement of connecting pipe, pipeline space-consuming, two ventilation assemblies compositions one are optimized
Ventilating and cooling unit, axis of the ventilating and cooling unit along out frame, angle is 60 ° uniform.
Preferably, consolidate to reduce inside the space-consuming of ventilation cooling system, ventilation assembly through stator upstream flange
The fixed inner chamber towards big gun head, which extends, to be fixed, and with the setting of the connects with the internal cavities of out frame.
Preferably, ventilation assembly includes cooler, cooler ventilation duct, blower ventilation pipe and blower fan, cooler and blower fan
It is fixed on stator upstream flange, and is spaced apart；Cooler ventilation duct and blower ventilation pipe clamp be located at cooler and blower fan it
Between, and seal the setting of connection therewith respectively.
Preferably, the cooler is through being fixed on stator upstream flange, and the internal cavities towards out frame extend
Set；The sealing of cooler ventilation duct and cooler connect fixation, assembling on the ring flat-plate of out frame, blower ventilation pipe and
Blower fan connection fix, the setting that cooler ventilation duct is connected with the blower ventilation seal of tube, by cooler, cooler ventilation duct,
Blower ventilation pipe and blower fan constitute a cycling element, and using blower fan increase circulation blast, hot and cold wind is carried out using cooler
Heat exchange, constitute one it is recyclable, it is possible to provide the cooling unit of local ventilation cooling.
Preferably, cooler is aerial cooler, further, for the ease of overhauling and safeguarding, reduces use cost, on
Cooler is stated for copper-tube aluminium chip aerial cooler.
Preferably, the component that keeps out the wind includes brake deep bead, circular deep bead, access panel and main deep bead, wherein, system
Dynamic device deep bead and circular deep bead and the fixation of stator upstream flange one, and the setting moved altogether；Access panel is fixed on
On stator upstream flange, and with the opposed opposite side for being arranged on stator upstream flange of ventilation assembly；Main deep bead and stator
The setting of support coaxial line, and a sealedly entirety is connected into access panel, with this, pass through stator upstream flange, braking
Device deep bead, circular deep bead, out frame side plate, access panel and main shaft deep bead build and are easy to cooling air to enter jointly
Internal die cavity, and the hot-air with heat can be completely cut off, the single-cycle cold air channel of cooling air is realized, without heat-exchange power
Waste；Using the reasonable Arrangement between deep bead, strengthen the ventilating and cooling effect of unit；Brake deep bead is utilized simultaneously
Isolation design, prevents the pollutants such as brake dust from entering in ventilation routes, caused unit pollution, extends making for whole unit
With the life-span, prevent because dust or particle enter the potential safety hazard brought inside generating set.
Preferably, brake deep bead and circular deep bead are fixed on stator upstream flange, and are set up separately in cooler
The week side of boss is sealedly set, it is to avoid form cooling circuit in the week side of cooler.
Preferably, in order to avoid the gap that blower fan occurs in operation process, its firm banking, access panel is fixed on stator
On support, and the arrangement corresponding with blower fan.
Compared with prior art, the ventilation cooling system for a kind of scaled bulb tubular hydraulic generator that the present invention is provided, leads to
Subcooler, cooler ventilation duct, blower ventilation pipe and blower fan constitute a cycling element, and hot and cold wind is carried out using cooler
Heat exchange, constitute one it is recyclable, it is possible to provide the cooling unit of local ventilation cooling；Due to only each other between vent passages
It is vertical, while enough blast are formed, the confusion of multiple circulating ventilations internally can be avoided, prevents from being vortexed down draught, enhancing
Cooling to winding overhang, can effectively improve axial air volume adjustment, improve the result of ventilating heat dissipation of unit；By on stator
Trip flange, brake deep bead, circular deep bead, out frame side plate, access panel and main shaft deep bead build and are easy to jointly
Cooling air enters internal die cavity, and can completely cut off the hot-air with heat, realizes the single-cycle cold air channel of cooling air, does not have
There is the waste of heat-exchange power；Using the reasonable Arrangement between deep bead, strengthen the ventilating and cooling effect of unit；System is utilized simultaneously
The isolation design of dynamic device deep bead, prevents the pollutants such as brake dust from entering in ventilation routes, caused unit pollution, extends
The service life of whole unit, has prevented because dust or particle enter the potential safety hazard brought inside generating set.
Figure of description
The structural representation of the preferred embodiment for the scaled bulb tubular hydraulic generator that Fig. 1 provides for the present invention；
The structural representation of another preferred embodiment for the scaled bulb tubular hydraulic generator that Fig. 2 provides for the present invention；
The structural representation of the preferred embodiment for the scaled bulb tubular hydraulic generator that Fig. 3 provides for the present invention；
The structural representation of the ventilation assembly for the scaled bulb tubular hydraulic generator that Fig. 4 provides for the present invention；
The structural representation of the component that keeps out the wind for the scaled bulb tubular hydraulic generator that Fig. 5 provides for the present invention；
The structural representation of the excitation component for the scaled bulb tubular hydraulic generator that Fig. 6 provides for the present invention；
The structure enlarged diagram of the excitation component for the scaled bulb tubular hydraulic generator that Fig. 7 provides for the present invention；
The structural representation of the brake assemblies for the scaled bulb tubular hydraulic generator that Fig. 8 provides for the present invention；
The structure enlarged diagram of the brake assemblies for the scaled bulb tubular hydraulic generator that Fig. 9 provides for the present invention.
The present invention is made with reference to embodiment and accompanying drawing further in detail, intactly to illustrate.
For the ease of description, space relative terms can be used herein, such as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation levied.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.If for example, the device in accompanying drawing is squeezed, be described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
As depicted in figs. 1 and 2, a kind of ventilation cooling system of the scaled bulb tubular hydraulic generator provided for the present invention
The structural representation of preferred embodiment, the ventilation cooling system can strengthen ventilating and cooling effect, and reduction ventilation energy consumption prevents system
The ventilation cooling system that the pollutants such as dynamic dust enter in closed self-loopa ventilation routes, can form enough blast, prevent
Down draught is vortexed, strengthens the cooling to winding overhang and improves axial air volume adjustment, improve the result of ventilating heat dissipation of unit.It is a kind of excellent
In selection of land embodiment, as shown in figure 1, the ventilation cooling system includes：One is fixed and moves the bubble first 10 set altogether and fixed
Handset seat 20, is fixed on the engine block in out frame 20, and be folded in determining between out frame 20 and bubble first 10
Sub- upstream flange 21, in addition at least one set of ventilation assembly 30 and at least one set are kept out the wind component 40, wherein, multiple ventilation assemblies 30
Be fixed on stator upstream flange 21, and it is concyclic it is all uniformly at intervals；The component 40 that keeps out the wind is detachably mounted to out frame 20
Inside, be built into and connected with ventilation assembly 30 jointly with stator upstream flange 21, and single-cycle confession independent each other
Wind unit；With this, by the component 40 that keeps out the wind being arranged on inside out frame 20, the single cycle that sub- upstream flange 21 is built together
Air feed unit, shorten the cooling stroke of air, it is to avoid the waste of heat-exchange power, enhance ventilating and cooling effect, drop
The low energy consumption of whole ventilating system, and due between vent passages independently of one another, can while enough blast are formed
The confusion of multiple circulating ventilations internally is avoided, prevents from being vortexed down draught, strengthens the cooling to winding overhang, can effectively improve
Axial air volume adjustment, improves the result of ventilating heat dissipation of unit.
Out frame 20 can be various appropriate structures, and usually steel plate butt welding is molded, and is whole scaled bulb tubular water
Turbine generator group provides the various load that enough rigidity is come during Inhaul operation.
Preferably, in order to lift the effect of ventilation and heat, concyclic all points of axis of the ventilation assembly 30 along out frame 20
Cloth；Further, in order to simplify the arrangement of connecting pipe, pipeline space-consuming is optimized, two compositions of ventilation assemblies 30 one are divulged information
Cooling unit；Further, the axis of the ventilating and cooling unit along out frame 20, angle is 60 ° uniform.
In order to reduce the space-consuming of ventilation cooling system, it is preferable that as shown in figure 1, the inside of ventilation assembly 30 is through fixed
Sub- upstream flange 21 towards bubble first 10 inner chamber extend fix, and with the setting of the connects with the internal cavities of out frame 20.
Ventilation assembly 30 can be various appropriate structures, be generally welded by panel and brace rod, so that with foot
Enough rigidity loads and born uncertain position load, it is preferable that as shown in Figure 3 and Figure 4, including cooler 31, cooling
Device ventilation duct 32, blower ventilation pipe 33 and blower fan 34, cooler 31 and blower fan 34 are fixed on stator upstream flange 21, and interval
Distribution, cooler ventilation duct 32 and blower ventilation pipe 33 are folded between cooler 31 and blower fan 34, and sealing connects therewith respectively
Logical setting.Specifically, the cooler 31 is through being fixed on stator upstream flange 21, towards the internal cavities of out frame 20
The setting of extension；Cooler ventilation duct 32 connects fixation with the sealing of cooler 31, and blower fan 34 is arranged on stator upstream flange 21,
Blower ventilation pipe 33 connects fixation with blower fan 34, and cooler ventilation duct 32 seals the setting connected with blower ventilation pipe 33.With this,
One cycling element is constituted by cooler, cooler ventilation duct, blower ventilation pipe and blower fan, circulated air is increased using blower fan
Pressure, the heat exchange of hot and cold wind is carried out using cooler, constitute one it is recyclable, it is possible to provide the cooling list of local ventilation cooling
Member.
Preferably, above-mentioned cooler 31 is aerial cooler；Further, for the ease of overhauling and safeguarding, reduction is used
Cost, above-mentioned cooler 31 is lacing film expansion-joint type aerial cooler.
In summary, the ventilation assembly provided in embodiment disclosed by the invention, by cooler, cooler ventilation duct,
Blower ventilation pipe and blower fan constitute a cycling element, and the heat exchange of hot and cold wind is carried out using cooler, constitute one and are recycled
, it is possible to provide the cooling unit of local ventilation cooling.
The component 40 that keeps out the wind being welded by panel and brace rod can be various appropriate structures, it is preferable that such as Fig. 3 and
Shown in Fig. 5, including brake deep bead 41, circular deep bead 42, access panel 43 and main deep bead 44, wherein, brake gear
Aerofoil 41 and circular deep bead 42 and the fixation of the one of stator upstream flange 21, and the setting moved altogether；Access panel 43 is fixed
On stator upstream flange 21, and with the opposed opposite side for being arranged on stator upstream flange 21 of ventilation assembly 30；Master is kept out the wind
The setting of plate 44 and the coaxial line of out frame 20, and a sealedly entirety is connected into access panel 43, with this, pass through stator
Upstream flange, brake deep bead, circular deep bead, out frame side plate, access panel and main shaft deep bead are built just jointly
Enter internal die cavity in cooling air, and the hot-air with heat can be completely cut off, realize the single-cycle cold air channel of cooling air,
There is no the waste of heat-exchange power；Using the reasonable Arrangement between deep bead, strengthen the ventilating and cooling effect of unit；Utilize simultaneously
The isolation design of brake deep bead, prevents the pollutants such as brake dust from entering in ventilation routes, caused unit pollution, extension
The service life of whole unit, has prevented because dust or particle enter the potential safety hazard brought inside generating set.
Brake deep bead 41 and circular deep bead 42 are detachably mounted on stator upstream flange 21, and are sealed therewith
Connection, with this, can realize that the outer circumferential side of out frame is preferably sealed.
Further, brake deep bead 41 and circular deep bead 42 are fixed on stator upstream flange 21, and are set up separately
The week side of boss of cooler 31 is sealedly set, it is to avoid cooler 31 the week side of boss due to poorly sealed caused cooling circuit.
Preferably, in order to avoid maintenance air vent leaks out, access panel 43 is fixed on stator upstream flange 21, and and wind
The corresponding arrangement of machine 34.
Cooling-fan installation principle in the preferred embodiment that the present invention is provided：
Blower fan produces band air-flow, after blower ventilation pipe and cooler ventilation duct, is provided for the cold air in cooler
Blast so that the passage that cooling air with pressure is surrounded jointly along brake deep bead and customization upstream flange enters inner chamber,
Effective cooling can be realized to winding overhang, by the air with heat inside unit in circular deep bead, access panel
Discharged with the collective effect of main deep bead, with this, complete to cool down the single cycle inside unit.
In summary, the ventilation cooling system of scaled bulb tubular hydraulic generator that the present invention is provided, by cooler, cold
But device ventilation duct, blower ventilation pipe and blower fan constitute a cycling element, and the heat exchange of hot and cold wind, structure are carried out using cooler
It is recyclable into one, it is possible to provide the cooling unit of local ventilation cooling；Due to independently of one another, forming foot between vent passages
While enough blast, the confusion of multiple circulating ventilations internally can be avoided, prevents from being vortexed down draught, strengthens to winding overhang
Cooling, can effectively improve axial air volume adjustment, improve the result of ventilating heat dissipation of unit；Pass through stator upstream flange, braking
Device deep bead, circular deep bead, out frame side plate, access panel and main shaft deep bead build and are easy to cooling air to enter jointly
Internal die cavity, and the hot-air with heat can be completely cut off, the single-cycle cold air channel of cooling air is realized, without heat-exchange power
Waste；Using the reasonable Arrangement between deep bead, strengthen the ventilating and cooling effect of unit；Brake deep bead is utilized simultaneously
Isolation design, prevents the pollutants such as brake dust from entering in ventilation routes, caused unit pollution, extends making for whole unit
With the life-span, prevent because dust or particle enter the potential safety hazard brought inside generating set.
On the basis of above-described embodiment, in a kind of specific embodiment, the generator sheet in out frame 20 is fixed on
Body also includes excitation component 50, the setting of the excitation component 50 and the coaxial line of out frame 20；Pass through send external power source
Electric energy is powered by IGCT to excitation component, and excitation component is produced after corresponding exciting current, is whole main generator body
Exciting current is provided, is then whole scaled bulb tubular hydraulic generator excitation, using the scaled bulb tubular water of the excitation component
Turbine generator good voltage waveform, aberration rate is small, and can solve the problem that the pollution of carbon dust and copper powder to machine winding, improves the exhausted of motor
The edge life-span；It can realize that brushless double frequency generates electricity, can also realize brushless variable-frequency power generation.
Specifically, as shown in Figure 6 and Figure 7, excitation component 50 includes generator unit stator 51, generator amature 52, exciter
Stator 53 and exciter rotor 54, wherein, generator unit stator 51 is mounted in the setting of the inside of out frame 20 coaxially, and with determining
The arrangement of handset 20 coaxial lines of seat；Exciter stator 53 is fixed on out frame 20 by support, and with being fixed on generator
The setting that the arrangement exciter stator 53 of exciter rotor 54 coaxially on rotor 52 is connected with external power supply, exciter rotor 54
Connected with generator amature 52, with this, the electric energy that exciter stator is sent by external power source is supplied power for by IGCT, is encouraged
Magnetomechanical rotor produces corresponding exciting current, potential that the exciter rotor is generated, electric current, provides and encourages for generator amature
Magnetic, is formed as the excitation component of whole bulb tubular hydraulic generating set, using the bulb through-flow type hydro-turbo of the excitation component
Generator voltage waveform is good, and aberration rate is small, and can solve the problem that the pollution of carbon dust and copper powder to machine winding, improves the insulation of motor
Life-span.
Further, the exciter stator 53 is AC excitation machine stator, and the exciter rotor 54 is AC excitation
Machine rotor；Preferably, armature winding is on exciter rotor 54, and Exciting Windings for Transverse Differential Protection is on stator 53, exciter rotor 54 and excitation
Machine stator 53 is built into the Energizing unit of turbine-generator units；With this, by external power supply, to the excitation on exciter stator
Winding provides excitation, and its exciter rotor armature winding sends alternating current under electromagnetic induction；
Preferably, generator unit stator 51 and generator amature 52 are configured to the electric power output unit of turbine-generator units,
Wherein, main generator armature winding is in generator unit stator 51, and the Exciting Windings for Transverse Differential Protection of main generator is on generator amature 52.
For the ease of during electric motor starting and again synchronizing, control start loop is open-minded, has motor full symmetric
Asynchronous driving torque, in addition to be fixed on inside out frame 20, the rotating rectifier 55 connected with excitation machine electric appliance.
Preferably, in order to optimize the space-consuming of excitation component, along the radial direction of out frame 20, away from the axle of out frame 20
The direction of line, the arrangement of rotating rectifier 55, exciter rotor 54 and the order of exciter stator 53；Further, along stator
The radial direction of seat 20, the direction away from out frame 20 axis, rotating rectifier 55, exciter rotor 54 and exciter stator 53 according to
Secondary arrangement.
The operation principle of above-mentioned excitation component：
The exciter part of scaled bulb tubular hydraulic generator is made up of exciter rotor 54 and exciter stator 53, is passed through
External power supply is provided after excitation for whole scaled bulb tubular hydraulic generator excitation, and the armature group of exciter rotor 54 sends friendship
Stream electricity, powers by after over commutation to the Exciting Windings for Transverse Differential Protection of main generator rotor 52, so that the armature of main generator unit stator 51
Alternating current needed for winding is induced comes.
In summary, powered by the electric energy for sending external power source by IGCT to exciter stator, exciter turns
Son produces corresponding exciting current, and DC current is exported after rotating rectifier rectification and is powered for generator amature, generator
It is whole bulb-generator excitation that rotor, which produces corresponding exciting current, using the scaled bulb tubular water of the excitation component
Turbine generator good voltage waveform, aberration rate is small, and can solve the problem that the pollution of carbon dust and copper powder to machine winding, improves the exhausted of motor
The edge life-span；It can realize that brushless double frequency generates electricity, can also realize brushless variable-frequency power generation.Two-frequency variable-frequency brush-free synchronous electric generator can make double frequency
Generate electricity and variable-frequency power generation realizes non-brushing, eliminate slip-ring brush, no-spark High-frequency Interference, no slip ring and carbon brush wear problem；
Power frequency and voltage of intermediate frequency are not interfere with each other during generating, and voltage waveform lower edge is good, and power supply quality is excellent；Generator reliability is high, dimension
Shield is simple, easily realizes the intelligent automation control in power station.
As another preferably scheme of the present embodiment, for live faster installation, and whole scaled bulb tubular
The maintenance of generator, as shown in Figure 8 and Figure 9, in addition to is detachably mounted on stator upstream flange 21, towards generator sheet
The extended brake assemblies 60 of body, by setting dismountable brake assemblies, simplify the structure of whole generating set, save
Installing space, by removably setting, optimizes mounting process, improves field erected efficiency, and be easy to follow-up
Maintenance and replacing, reduce use cost.
Preferably, brake assemblies 60 are folded between bubble first 10 and out frame 20, along the axially extending of out frame 20,
With this, cleverly using big gun head inner space, convenient and quick realize is installed, overhauls and safeguarded.
Brake assemblies 60 can be various appropriate structures, be preferably carried out in the present invention in mode, including brake 61
With brake backing plate 62, wherein, brake backing plate 62 runs through stator upstream flange 21, and dismountable fixed therewith；Brake
61 fix through brake backing plate 62, and are set relative to the position of brake backing plate 62 is adjustable；Further, in order to improve
Stationarity and reliability of the brake in braking procedure, the setting of brake 61 and the coaxial line of brake backing plate 62；With this, lead to
The brake backing plate being detachably fixed is crossed, and relative to the adjustable brake in brake backing plate position, is both easy to brake
Install, debug, be easy to follow-up maintenance and maintenance again, installing space can be saved, improve operating efficiency, improve generator machine
The braking ability of group, and have the advantages that braking ability is stable, it is convenient and with low cost to install.
Alternatively, in order to convenient and quickly realize the dismounting of brake, brake assemblies 60 also include being used for dismounting braking
The dismantling device 63 of device 61, the dismantling device 63 is removably fixed with brake backing plate 62, and drivable with brake 61
Connection, with this, it is necessary to install or dismantle brake, need to only be fixed after brake backing plate by dismantling device, and cooperation driving is
Dismantled and assembled brake, so that the technique of installation and the debugging of brake is simplified, and with installation facility and low cost and other advantages.
There is provided in the preferred embodiment for the present invention in brake system, pass through the detachable control of brake and brake backing plate
System, is easily installed personnel in outside installation, and solve tradition small space need to carry out installing the tired of brake inside unit
Difficulty, and it is easy to maintenance replacing；Simultaneously in view of the weight of brake and brake backing plate, brake dismounting work has dexterously been set
Tool, is that installation personnel provides great convenience in installation process and is easy to adjustment installation.
Installation method now to brake is for example, by the detachable control of brake and brake backing plate, be easy to
Installation personnel is in outside installation, and solving tradition need to install the difficulty of brake by small space inside unit, and easily
Changed in maintenance, the installation method of wherein brake comprises the following steps：
Step A：Brake 61 is fixed on brake backing plate 62
Step B：Brake dismantling device 63 is fixed on brake backing plate 62
Step C：Pass through lifting dismantling device 63 of driving a vehicle
Step D：By controlling dismantling device 63 that brake 61 and brake backing plate 62 are fixed on out frame 20
Step E：Dismantling device 63 is removed, the installation of brake is completed.
In summary, it is brake is independent into dismountable part, optimize transmission scaled bulb tubular hydraulic generator system
The structure of dynamic device, by setting dismountable brake assemblies, simplifies the structure of whole generating set, saves installing space,
And by removably setting, mounting process is optimized, improve field erected efficiency, and be easy to follow-up maintenance and more
Change, reduce use cost.
Finally be necessary described herein be：Above example is served only for making further detailed to technical scheme
Ground explanation, it is impossible to be interpreted as limiting the scope of the invention, those skilled in the art is according to the above of the invention
Some the nonessential modifications and adaptations made belong to protection scope of the present invention.
Claims (10)
1. a kind of ventilation cooling system of scaled bulb tubular hydraulic generator, including one is fixed and moves the bubble head set altogether
(10) and out frame (20), be fixed on the engine block in out frame (20), and be folded in out frame (20) and
Steep the stator upstream flange (21) between head (10), it is characterised in that also including at least one set of ventilation assembly (30) and at least one
Group is kept out the wind component (40), wherein, multiple ventilation assemblies (30) are fixed on stator upstream flange (21), and concyclic all intervals are equal
Cloth；The component (40) that keeps out the wind is detachably mounted to the inside of out frame (20), is built into jointly with stator upstream flange (21)
Connected with ventilation assembly (30), and single-cycle air feed unit independent each other.
2. ventilation cooling system according to claim 1, it is characterised in that ventilation assembly (30) is along out frame (20)
The concyclic all distributions of axis.
3. ventilation cooling system according to claim 1 or 2, it is characterised in that two ventilation assembly (30) compositions
One ventilating and cooling unit, axis of the ventilating and cooling unit along out frame (20), angle is 60 ° uniform.
4. ventilation cooling system according to claim 3, it is characterised in that run through stator upstream inside ventilation assembly (30)
Flange (21) towards bubble head (10) inner chamber extend fix, and with the setting of the connects with the internal cavities of out frame (20).
5. ventilation cooling system according to claim 1, it is characterised in that ventilation assembly (30) include cooler (31),
Cooler ventilation duct (32), blower ventilation pipe (33) and blower fan (34), cooler (31) and blower fan (34) are fixed on stator upstream
On flange (21), and it is spaced apart；Cooler ventilation duct (32) and blower ventilation pipe (33) are folded in cooler (31) and blower fan
(34) between, and the setting of connection is sealed therewith respectively.
6. ventilation cooling system according to claim 5, it is characterised in that the cooler (31), which is run through, is fixed on stator
On upstream flange (21), towards the setting of the internal cavities extension of out frame (20)；Cooler ventilation duct (32) and cooler
(31) sealing connection is fixed, and blower fan (34) is arranged on stator upstream flange (21), and blower ventilation pipe (33) and blower fan (34) are even
Logical to fix, cooler ventilation duct (32) seals the setting connected with blower ventilation pipe (33).
7. the ventilation cooling system according to claim 5 or 6, it is characterised in that cooler (31) is aerial cooler.
8. ventilation cooling system according to claim 5, it is characterised in that the component that keeps out the wind (40) includes brake deep bead
(41), circular deep bead (42), access panel (43) and main deep bead (44), wherein, brake deep bead (41) and circular gear
Aerofoil (42) and the fixation of stator upstream flange (21) one, and the setting moved altogether；Access panel (43) is fixed on stator
Swim on flange (21), and with the opposed opposite side for being arranged on stator upstream flange (21) of ventilation assembly (30)；Main deep bead
(44) with the setting of out frame (20) coaxial line, and a sealedly entirety is connected into access panel (43).
9. ventilation cooling system according to claim 8, it is characterised in that brake deep bead (41) and circular deep bead
(42) it is fixed on stator upstream flange (21), and the week side of boss set up separately in cooler (31) is sealedly set.
10. ventilation cooling system according to claim 8 or claim 9, it is characterised in that access panel (43) is fixed on stator
Swim on flange (21), and the arrangement corresponding with blower fan (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710524968.8A CN107147246B (en) | 2017-06-30 | 2017-06-30 | A kind of ventilation cooling system of scaled bulb tubular hydraulic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710524968.8A CN107147246B (en) | 2017-06-30 | 2017-06-30 | A kind of ventilation cooling system of scaled bulb tubular hydraulic generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107147246A true CN107147246A (en) | 2017-09-08 |
| CN107147246B CN107147246B (en) | 2019-12-03 |
Family
ID=59785413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710524968.8A Active CN107147246B (en) | 2017-06-30 | 2017-06-30 | A kind of ventilation cooling system of scaled bulb tubular hydraulic generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107147246B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994354A (en) * | 2021-02-20 | 2021-06-18 | 浙江富春江水电设备有限公司 | Large-scale bulb tubular hydraulic generator ventilation cooling system without air cooler |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4071791A (en) * | 1976-06-01 | 1978-01-31 | General Electric Company | Reverse flow cooled dynamoelectric machines with novel cooling system |
| CN1889332A (en) * | 2006-07-25 | 2007-01-03 | 四川东风电机厂有限公司 | Medium and high speed large capacity hydroelectric generator |
| CN204030860U (en) * | 2014-08-28 | 2014-12-17 | 广东梅雁吉祥水电股份有限公司坝头水电站 | There is the hydraulic generator of ventilation cooling device |
| CN207150345U (en) * | 2017-06-30 | 2018-03-27 | 湖南云箭集团有限公司 | A kind of ventilation cooling system of hydrogenerator |
-
2017
- 2017-06-30 CN CN201710524968.8A patent/CN107147246B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4071791A (en) * | 1976-06-01 | 1978-01-31 | General Electric Company | Reverse flow cooled dynamoelectric machines with novel cooling system |
| CN1889332A (en) * | 2006-07-25 | 2007-01-03 | 四川东风电机厂有限公司 | Medium and high speed large capacity hydroelectric generator |
| CN204030860U (en) * | 2014-08-28 | 2014-12-17 | 广东梅雁吉祥水电股份有限公司坝头水电站 | There is the hydraulic generator of ventilation cooling device |
| CN207150345U (en) * | 2017-06-30 | 2018-03-27 | 湖南云箭集团有限公司 | A kind of ventilation cooling system of hydrogenerator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994354A (en) * | 2021-02-20 | 2021-06-18 | 浙江富春江水电设备有限公司 | Large-scale bulb tubular hydraulic generator ventilation cooling system without air cooler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107147246B (en) | 2019-12-03 |
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