CN207677576U - Large-scale pumped storage power unit generation motor ventilation cooling structure - Google Patents
Large-scale pumped storage power unit generation motor ventilation cooling structure Download PDFInfo
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- CN207677576U CN207677576U CN201820015917.2U CN201820015917U CN207677576U CN 207677576 U CN207677576 U CN 207677576U CN 201820015917 U CN201820015917 U CN 201820015917U CN 207677576 U CN207677576 U CN 207677576U
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- air intake
- intake passage
- engine base
- air
- diffluence pass
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- 238000001816 cooling Methods 0.000 title claims abstract description 15
- 238000009423 ventilation Methods 0.000 title claims abstract description 13
- 241000239290 Araneae Species 0.000 claims abstract description 11
- 230000008676 import Effects 0.000 claims abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 239000000498 cooling water Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model is related to a kind of large-scale pumped storage power unit generation motor ventilation cooling structures, aerial cooler including middle side part is arranged outside engine base, it is stator core that the inside of the engine base is nested successively from outside to inside, magnetic pole, rotor rim and rotor field spider, the aerial cooler, the top of engine base, top air intake passage is formed at the top of coil, the aerial cooler, the lower part of engine base, lower part air intake passage is formed at the lower part of coil, the piece annular space of the rotor rim, the middle part clearance between poles of magnetic pole, stator wind ditch, aerial cooler forms air-out passage, the top air intake passage, lower part air intake passage imports air-out passage.The structure design of the utility model is reasonable, realizes effective heat dissipation of the components such as generator stator-rotator, it is ensured that the safe and stable operation of unit.
Description
Technical field
The utility model is related to a kind of large-scale pumped storage power unit generation motor ventilation cooling structures.
Background technology
Pump-storage generator generally has the features such as rotating speed is high, small, and capacity per electrode is big, while also to have positive and negative
The ability turned.Compared to conventional power unit, the design of pumped storage unit generation motor ventilating and cooling must take into consideration the raising of rotor itself wind pressure
Contradiction between rotor ventilation pore size, mechanical friction loss is big, current density is big, effective heat dissipation area is small, unit volume
The problems such as big is lost.Meanwhile generator motor number of magnetic poles is few, capacity per electrode is more much greater than conventional hydrogenerator,
Value may be up to 25MVA ~ 40MVA；And the availability for needing to eliminate aerofoil fan of positive and negative rotation campaign, it divulges information to generator motor
Cooling Design brings new feature and difficulty.
Utility model content
In view of the deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a kind of large-scale pumped storage powers
Unit generation motor ventilation cooling structure, it is not only reasonable in design but also efficiently convenient.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of large-scale pumped storage power unit generation
Motor ventilation cooling structure, including the aerial cooler of middle side part is set outside engine base, the inside of the engine base is from outside to inside
Nested successively is stator core, magnetic pole, rotor rim and rotor field spider, the aerial cooler, the top of engine base, coil
Top formed top air intake passage, the aerial cooler, the lower part of engine base, coil lower part formed lower part air intake passage, institute
It states the piece annular space of rotor rim, the middle part clearance between poles of magnetic pole, stator wind ditch, aerial cooler and forms air-out passage, the top
Air intake passage, lower part air intake passage import air-out passage.
Further, the top of the rotor rim is provided with fan, and the lower part of the rotor rim is provided with leeward
Fan, is provided with diffluence pass on first between the top of the rotor field spider and the top of rotor rim, under the rotor field spider
First time diffluence pass is provided between portion and the lower part of rotor rim, the top clearance between poles of the magnetic pole, which are formed on second, to be shunted
Mouthful, the lower part clearance between poles of the magnetic pole form second time diffluence pass, and the top air intake passage goes out through diffluence pass entrance on first
Wind channel, the top air intake passage enter air-out passage through diffluence pass on upper fan, second, and the lower part air intake passage is through
Once diffluence pass enters air-out passage, and the lower part air intake passage enters air-out passage through lower fan, second time diffluence pass.
Further, the engine base is arranged in wind-tunnel.
Further, the rotor bearing is connected with generator shaft.
Compared with prior art, the utility model has the advantages that：The structure design of the utility model is reasonable, realizes
Effective heat dissipation of the components such as generator stator-rotator, it is ensured that the safe and stable operation of unit.
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is the organigram of the utility model embodiment.
In figure：1- engine bases, 2- aerial coolers, 3- stator cores, 4- magnetic poles, 5- rotor rims, 6- rotor field spiders, 7- lines
It encloses, the upper fans of 8-, fan under 9-, diffluence pass on 10- first, first time diffluence pass of 11-, diffluence pass on 12- second, 13- second
Lower diffluence pass, 14- wind-tunnel, 15- generator shafts.
Specific implementation mode
For allow the utility model features described above and advantage can be clearer and more comprehensible, special embodiment below, and coordinate attached drawing,
It is described in detail below.
As shown in Figure 1, a kind of large-scale pumped storage power unit generation motor ventilation cooling structure, including be arranged in engine base 1
The aerial cooler 2 of outer middle side part, the inside of the engine base 1 nested successively from outside to inside is stator core 3, magnetic pole 4, rotor magnetic
Yoke 5 and rotor field spider 6, the aerial cooler 2, the top of engine base 1, coil 7 top formed top air intake passage, it is described
Aerial cooler 2, the lower part of engine base 1, coil 7 lower part formed lower part air intake passage, piece annular space, the magnetic of the rotor rim 5
Middle part clearance between poles, stator wind ditch, the aerial cooler 2 of pole 4 form air-out passage, and the top air intake passage, lower part air inlet are logical
Road imports air-out passage.
In the utility model embodiment, the top of the rotor rim 5 is provided with fan 8, the rotor rim 5
Lower part is provided with lower fan 9, and diffluence pass on first is provided between the top and the top of rotor rim 5 of the rotor field spider 6
10, be provided with first time diffluence pass 11 between the lower part and the lower part of rotor rim 5 of the rotor field spider 6, the magnetic pole 4 it is upper
Portion clearance between poles form diffluence pass 12 on second, and the lower part clearance between poles of the magnetic pole 4 form second time diffluence pass 13, the top into
On wind channel first diffluence pass 10 enter air-out passage, the top air intake passage through diffluence pass 12 on upper fan 8, second into
Enter air-out passage, the lower part air intake passage enters air-out passage through first time diffluence pass 11, under the lower part air intake passage passes through
Fan 9, second time diffluence pass 13 enter air-out passage.
In the utility model embodiment, the engine base 1 is arranged in wind-tunnel 14.
In the utility model embodiment, the rotor bearing is connected with generator shaft 15.
The specific work process of the utility model is as follows：The hot-air of large-scale pumped storage power unit generation motor interior passes through
Air-out passage enters aerial cooler 2 and is cooled down, and aerial cooler 2 carries out heat exchange and by water heat with secondary cooling water
It takes away, air enters large-scale pumped storage power unit generation motor interior through top air intake passage, lower part air intake passage after cooling,
Realize effective heat dissipation of the components such as generator stator-rotator, it is ensured that the safe and stable operation of unit.
The utility model is not limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Go out other various forms of large-scale pumped storage power unit generation motor ventilation cooling structures.It is all according to present utility model application patent
The equivalent changes and modifications that range is done should all belong to the covering scope of the utility model.
Claims (4)
1. a kind of large-scale pumped storage power unit generation motor ventilation cooling structure, it is characterised in that：Including being arranged outside engine base
The aerial cooler of middle side part, the inside of the engine base from outside to inside successively it is nested be stator core, magnetic pole, rotor rim and
Rotor field spider, the aerial cooler, the top of engine base, coil top formed top air intake passage, the aerial cooler,
The lower part of engine base, coil lower part form lower part air intake passage, the piece annular space of the rotor rim, the middle part clearance between poles of magnetic pole,
Stator wind ditch, aerial cooler form air-out passage, and the top air intake passage, lower part air intake passage import air-out passage.
2. large-scale pumped storage power unit generation motor ventilation cooling structure according to claim 1, it is characterised in that：Institute
The top for stating rotor rim is provided with fan, and the lower part of the rotor rim is provided with lower fan, the rotor field spider it is upper
Be provided with diffluence pass on first between portion and the top of rotor rim, the lower part of the rotor field spider and the lower part of rotor rim it
Between be provided with first time diffluence pass, the top clearance between poles of the magnetic pole form diffluence pass on second, the lower part interpolar of the magnetic pole
Gap forms second time diffluence pass, and the top air intake passage enters air-out passage through diffluence pass on first, and the top air inlet leads to
Road enters air-out passage through diffluence pass on upper fan, second, and the lower part air intake passage enters outlet air through first time diffluence pass and leads to
Road, the lower part air intake passage enter air-out passage through lower fan, second time diffluence pass.
3. large-scale pumped storage power unit generation motor ventilation cooling structure according to claim 1, it is characterised in that：Institute
Engine base is stated to be arranged in wind-tunnel.
4. large-scale pumped storage power unit generation motor ventilation cooling structure according to claim 1, it is characterised in that：Institute
Rotor bearing is stated with generator shaft to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820015917.2U CN207677576U (en) | 2018-01-05 | 2018-01-05 | Large-scale pumped storage power unit generation motor ventilation cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820015917.2U CN207677576U (en) | 2018-01-05 | 2018-01-05 | Large-scale pumped storage power unit generation motor ventilation cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207677576U true CN207677576U (en) | 2018-07-31 |
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ID=62972662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820015917.2U Active CN207677576U (en) | 2018-01-05 | 2018-01-05 | Large-scale pumped storage power unit generation motor ventilation cooling structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN207677576U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676963A (en) * | 2019-10-10 | 2020-01-10 | 哈尔滨理工大学 | Variable-speed pumped storage generator motor with shaft-radial two-way regional forced flow-increasing rotor |
| CN117767657A (en) * | 2024-02-22 | 2024-03-26 | 南方电网调峰调频发电有限公司 | generator motor and ventilation cooling system thereof |
-
2018
- 2018-01-05 CN CN201820015917.2U patent/CN207677576U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676963A (en) * | 2019-10-10 | 2020-01-10 | 哈尔滨理工大学 | Variable-speed pumped storage generator motor with shaft-radial two-way regional forced flow-increasing rotor |
| CN117767657A (en) * | 2024-02-22 | 2024-03-26 | 南方电网调峰调频发电有限公司 | generator motor and ventilation cooling system thereof |
| CN117767657B (en) * | 2024-02-22 | 2024-05-14 | 南方电网调峰调频发电有限公司 | Generator motor and ventilation cooling system thereof |
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