CN1889335A - Medium-high speed large capacity generator set air cooling system - Google Patents
Medium-high speed large capacity generator set air cooling system Download PDFInfo
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- CN1889335A CN1889335A CN 200610021478 CN200610021478A CN1889335A CN 1889335 A CN1889335 A CN 1889335A CN 200610021478 CN200610021478 CN 200610021478 CN 200610021478 A CN200610021478 A CN 200610021478A CN 1889335 A CN1889335 A CN 1889335A
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- high speed
- cooling system
- large capacity
- induced draft
- air cooling
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Abstract
The present invention discloses a intermediate high speed high-capacity power set air-cooling system. It contains air cooler, upper induced air board, lower induced air board, rotating choke plate four, and air cooler. The present invention advantages are fine ventilation system volubility, fine leak tightness, low loss, and uniform air distribution.
Description
Technical field
The present invention relates to a kind of air-cooling apparatus, particularly relate to a kind of high speed large capacity generator set air cooling system.
Background technology
In hydraulic generator when operation, is because the mechanical movement of rotor and the electromagnetic motion of rotor coil and stator coil can produce a large amount of heat energy; if discharge these heats untimelyly and effectively; to cause generator Yin Wendu too high and shut down; even burn generator component; therefore, nearly all generating set all is provided with the ventilation cooling device.Generally, generating set ventilation cooling device adopts air blast to blow to the air channel, but for high rotating speed large capacity hydroelectric generator group, because the high-speed motion of rotor can produce the enough big wind regime of pressure, so the design of high rotating speed large capacity hydroelectric generator group ventilation cooling device should make full use of the advantage that high rotating speed large capacity hydroelectric generating set rotor runs up and brings.
Summary of the invention
The object of the present invention is to provide a kind of air-cooling apparatus that is applicable to high speed heavy-duty generator group, this device is provided with suitable wind-guiding member in air circulation duct, reduced the loss of ventilating system, the air quantity distributed uniform, strengthen the fluency and the seal of air-supply passage, ensure that generating set is reliable, safety, even running.
Goal of the invention of the present invention is achieved through the following technical solutions: a kind of high speed large capacity generator set air cooling system, it comprises aerial cooler, last induced draft plate, following induced draft plate, rotation choke plate, aerial cooler is placed in the out frame outer wall, last induced draft plate and following induced draft plate are placed in the rotor periphery between stator and the rotor respectively, and the rotation choke plate is positioned at the two ends up and down of rotor yoke.
The corner of last induced draft plate and following induced draft plate is circular arc.
Aerial cooler is the sheet assemble aerial cooler.
Rotor field spider, yoke and magnetic pole constitute the pressure source of radial ventilation of the present invention, air in the generator forms pressure by rotor field spider, yoke and magnetic pole rotation, make air-flow enter aerial cooler through air gap, iron core, support, flow back to rotor through upper and lower air channel again by the cooled air-flow of aerial cooler, thereby take out of the heat that generator distributes external by air circulation.
In electricity generator stator stand outer wall symmetric arrangement 6 sheet assemble aerial coolers.The allowance of cooler design can satisfy under a cooler situation out of service, and generator has the rated load ability of operation continuously.
Advantage of the present invention is that ventilating system fluency, good leak tightness, loss are low, and the air quantity distributed uniform guarantees that high speed heavy-duty generator group is reliable, safety, even running.
Description of drawings
The structural representation of a kind of high speed large capacity generator set air cooling system of Fig. 1
Among the figure, the 1-aerial cooler, the last induced draft plate of 2-, induced draft plate under the 3-, 4-rotates choke plate, 5-stator, 6-rotor.
Embodiment
Further describe technical scheme of the present invention below in conjunction with accompanying drawing: as Fig. 1, a kind of high speed large capacity generator set air cooling system, it comprises aerial cooler 1, last induced draft plate 2, following induced draft plate 3, rotation choke plate 4, aerial cooler 1 is placed in stator 5 support outer walls, last induced draft plate 2 and following induced draft plate 3 are placed in the rotor periphery between stator 5 and the rotor 6 respectively, and rotation choke plate 4 is positioned at the two ends up and down of rotor 6 yokes.
The corner of last induced draft plate 2 and following induced draft plate 3 is circular arc.
Aerial cooler 1 is the sheet assemble aerial cooler.
At 6 aerial coolers 1 of stator 5 support outer wall symmetric arrangement.
Claims (4)
1, a kind of high speed large capacity generator set air cooling system, it comprises aerial cooler (1), it is characterized in that: it also comprises induced draft plate (2), following induced draft plate (3), rotation choke plate (4), aerial cooler (1) is placed in stator (5) support outer wall, last induced draft plate (2) and following induced draft plate (3) are placed in the rotor periphery between stator (5) and the rotor (6) respectively, and rotation choke plate (4) is positioned at the two ends up and down of rotor (6) yoke.
2, a kind of high speed large capacity generator set air cooling system according to claim 1 is characterized in that: the corner of going up induced draft plate (2) and following induced draft plate (3) is circular arc.
3, a kind of high speed large capacity generator set air cooling system according to claim 1 is characterized in that: aerial cooler (1) is the sheet assemble aerial cooler.
4, a kind of high speed large capacity generator set air cooling system according to claim 1 is characterized in that: at stator (5) support outer wall 6 aerial coolers of symmetric arrangement (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610021478 CN1889335A (en) | 2006-07-28 | 2006-07-28 | Medium-high speed large capacity generator set air cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610021478 CN1889335A (en) | 2006-07-28 | 2006-07-28 | Medium-high speed large capacity generator set air cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1889335A true CN1889335A (en) | 2007-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610021478 Pending CN1889335A (en) | 2006-07-28 | 2006-07-28 | Medium-high speed large capacity generator set air cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1889335A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107925311A (en) * | 2015-08-31 | 2018-04-17 | 三菱电机株式会社 | Electric rotating machine |
-
2006
- 2006-07-28 CN CN 200610021478 patent/CN1889335A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107925311A (en) * | 2015-08-31 | 2018-04-17 | 三菱电机株式会社 | Electric rotating machine |
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