CN203826206U - Vibration damping fixing device of transformer station power capacitor - Google Patents
Vibration damping fixing device of transformer station power capacitor Download PDFInfo
- Publication number
- CN203826206U CN203826206U CN201420188360.4U CN201420188360U CN203826206U CN 203826206 U CN203826206 U CN 203826206U CN 201420188360 U CN201420188360 U CN 201420188360U CN 203826206 U CN203826206 U CN 203826206U
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- Prior art keywords
- power capacitor
- fixing device
- electric power
- capacitor
- shock
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- 239000003990 capacitor Substances 0.000 title claims abstract description 78
- 238000013016 damping Methods 0.000 title abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000004411 aluminium Substances 0.000 claims description 19
- 239000007799 cork Substances 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 6
- 230000009467 reduction Effects 0.000 abstract description 13
- 238000009413 insulation Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 239000006260 foam Substances 0.000 abstract description 5
- 239000011122 softwood Substances 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 6
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- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
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- 238000001914 filtration Methods 0.000 description 2
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- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 240000002024 Gossypium herbaceum Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
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- 230000010355 oscillation Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a vibration damping fixing device of a transformer station power capacitor and relates to a power capacitor. The vibration damping fixing device of a transformer station power capacitor comprises a bearing clamping piece, a foam aluminum plate and an insulation rubber layer, the bearing clamping piece is provided with a groove, the bottom of the power capacitor is inserted into the groove, the foam aluminum plate is disposed between the inner side bottom of the groove and the power capacitor, and the insulation rubber layer is disposed between a side wall of the groove and the power capacitor. Through utilization of the foam aluminum plate, the insulation rubber layer, soft wood and the like, vibration damping and noise reduction effects are significant; and the vibration damping fixing device is simple in structure and convenient to install and use, and performance of the power capacitor is not influenced.
Description
Technical field
The utility model relates to power capacitor technical field, is specifically related to a kind of shock-absorbing fixing device of converting station electric power capacitor.
Background technology
Power capacitor, for the capacitor of electric power system and electrical equipment.Power capacitor can be divided into 8 kinds by purposes: 1. shunt capacitor.Former title phase shifting capacitor.Be mainly used in the reactive power of compensates electric system inductive load, to improve power factor, improve quality of voltage, reduce line loss.2. series capacitor.Be series at that power frequency high voltage is defeated, in distribution line, in order to the distribution induction reactance of compensated line, improve quiet, the dynamic stability of system, improve the quality of voltage of circuit, lengthen power transmission distance and increase conveying capacity.3. coupling capacitor.Be mainly used in HF communication, measurement, control, the protection of high-voltage electric power circuit and be used as parts in the device that extracts electric energy.4. circuit-breaker capacitor.Former title equalizing capacitor.Be connected in parallel on extra high voltage circuit breaker fracture and play all pressure effects, make voltage between each fracture in breaking course and even while disconnection, and can improve the arc quenching characteristic of circuit breaker, improve breaking capacity.5. capacitor for electric induction heating system.Be the electroheat equipment system of 40～24000 hertz for frequency, to improve power factor, improve the characteristic such as voltage or frequency in loop.6. pulse capacitor.Main play energy storage effect, as the energy storage unit substantially such as oscillation circuit for impulse voltage generator, impulse current generator, circuit-breaker testing.7. direct current and filtering capacitor.For high-tension d.c. plant and high-voltage rectifying filter.8. standard capacitor.For power frequency high voltage measuring media loss loop, be perhaps used as standard electric the capacitance partial pressure device of measuring high pressure.Point high-voltage power capacitor (more than 6KV) and low voltage power capacitor (400V) in electric power system.
In electric power system, particularly in super high voltage direct current electricity transmission system, use a large amount of high-voltage power capacitors.The effect of power capacitor comprises:
1, electric power system provides reactive power compensation;
2, in the electric power system with harmonic wave, the harmonic component existing in filtering electric power system.
In super high voltage direct current electricity transmission system, large-scale iron and steel business electrical system, there is a large amount of harmonic waves, in the time that harmonic current flows through power capacitor, power capacitor internal electrode and insulating material be subject to harmonic wave produce distortion field of electric force impact and vibrate, cause power capacitor entirety also simultaneously vibration.Harmonic component is more serious, and the impact of distortion electric field power is larger, and the vibration of power capacitor is also larger, and the sound that therefore power capacitor sends is also larger.
Noise is a kind of environmental pollution, along with the raising gradually of Environmental Protection in China consciousness, and the issuing and implementation of relevant laws and regulations simultaneously, to electric power system, the particularly large electric power system of harmonic content, carrying out noise abatement is the task of top priority.
In order to reduce the noise pollution of power capacitor, conventionally take following two schemes:
1, at the outside installation of power capacitor radome, for noise reduction, but because volume is large, exist and install, complicated, cost increase that difficulty improves, overhauls is unfavorable for capacitor heat radiation simultaneously, affects life of product.
2, at the outside wrapped acoustic damping materials of capacitor or at inside increase material with complex, constructional device etc.At surface-coated other materials, when increasing cost, affect the heat radiation of product, properties of product are caused to bad impact.Add the devices such as speciality elastic damping in inside, implement more difficultly, effect is also not obvious.
In Chinese Patent Application No.: disclose kind high-voltage power capacitor integral type sound insulation cover plate in 201210588000, it is characterized in that: comprise upper cover plate and lower cover, upper cover plate is periphery downward bending structure, lower cover is up bending structure of periphery, between two cover plates, be connected as a single entity by periphery bending part, and form the middle hermetically-sealed construction that has cavity, and on upper cover plate, be provided with circular hole, be connected with the casing flange place of lower cover.The integral type sound insulation cover plate of this technical scheme can be directly and capacitor case weld; Not only can, for general conventional high-voltage power capacitor, also can be applied to the high-voltage power capacitor in DC transmission engineering, not be subject to the restrictions such as condenser voltage grade, capacity, capacitor type.This technical scheme has increased the workload of shell welding, has increased cost, and effectiveness in vibration suppression is also bad simultaneously.
Utility model content
For the problems referred to above, the utility model provides a kind of vibration damping, noise reduction significantly to install, i.e. a kind of shock-absorbing fixing device of converting station electric power capacitor.
In order to address the above problem, the technical scheme that the utility model provides is:
A kind of shock-absorbing fixing device of converting station electric power capacitor, relate to power capacitor, comprise carrying folder, foamed aluminium board, electro-insulating rubber layer, described carrying folder is provided with groove, insert in described groove the bottom of described power capacitor, between described groove inside bottom and described power capacitor, be provided with described foamed aluminium board, between the sidewall of described groove and described power capacitor, be provided with electro-insulating rubber layer.Electro-insulating rubber layer plays stronger vibration damping, the effect of noise reduction to power capacitor, and foamed aluminium is to add after additive in pure aluminum or aluminum alloy, forms through foam process, has metal and bubble feature concurrently simultaneously.Its density is little, height absorbs, impact capacity is strong, high temperature resistant, fire protecting performance is strong, anticorrosive, sound insulation and noise reduction; Carrying folder can be fixed power capacitor, vibration damping.
Preferably, on described foamed aluminium board, be evenly provided with sound-absorption hole; Sound-absorption hole can absorb the noise of power capacitor, the outer transmission of effective noise reduction function.
Preferably, between described foamed aluminium board and described groove inside bottom, be equipped with seccotine; Make to fix between foamed aluminium board and groove inside bottom, effectiveness in vibration suppression is better, convenient fixing power capacitor.
Preferably, the bottom of described carrying folder is provided with vibration isolation cushion block, and reduction power capacitor propagates into the vibration on ground, effectively realizes the object of converting station electric power capacitor vibration damping, noise reduction.
Preferably, described vibration isolation cushion block is cork, and cork has sound-absorbing, protection against the tide, abrasionproof, fire prevention, many premium properties such as heat insulation, anticorrosion, and economical and practical, utilizes environmental protection.
Preferably, described cork is the composite article of cork powder and rubber, and cork-rubber goods are antidetonation, sound insulation more.
Preferably, described cork is symmetrically arranged with 2.
Preferably, on the sidewall of described carrying folder, be arranged with 2 screwed holes.
Compared with prior art, the beneficial effects of the utility model are:
The utility model utilizes the vibration dampings such as foamed aluminium board, electro-insulating rubber layer, cork, noise reduction remarkable, and simple in structure, is convenient to install, use, and does not affect the performance of power capacitor.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the vertical view of the utility model foamed aluminium board.
In figure: 1, power capacitor, 2, carrying folder, 3, foamed aluminium board, 4, electro-insulating rubber layer, 5, sound-absorption hole, 6, cork.
Embodiment
Below the utility model is described further:
In conjunction with Fig. 1, Fig. 2, a kind of shock-absorbing fixing device of converting station electric power capacitor, relate to power capacitor 1, comprise carrying folder 2, foamed aluminium board 3, electro-insulating rubber layer 4, carrying folder 2 is provided with groove, insert in groove the bottom of power capacitor 1, between groove inside bottom and power capacitor 1, is provided with foamed aluminium board 2, between the sidewall of groove and power capacitor 1, is provided with electro-insulating rubber layer 4.4 pairs of power capacitor 1 of electro-insulating rubber layer play stronger vibration damping, the effect of noise reduction, and foamed aluminium is to add after additive in pure aluminum or aluminum alloy, form through foam process, have metal and bubble feature concurrently simultaneously.Its density is little, height absorbs, impact capacity is strong, high temperature resistant, fire protecting performance is strong, anticorrosive, sound insulation and noise reduction; Carrying folder 2 can be fixed power capacitor, vibration damping.
On foamed aluminium board 3, be evenly provided with sound-absorption hole 5; Sound-absorption hole 5 can absorb the noise of power capacitor 1, the outer transmission of effective noise reduction function.
Between foamed aluminium board 3 and groove inside bottom, be equipped with seccotine; Make to fix between foamed aluminium board and groove inside bottom, effectiveness in vibration suppression is better, convenient fixing power capacitor.
The bottom of carrying folder 1 is provided with vibration isolation cushion block, and vibration isolation cushion block is cork 6, and cork 6 has sound-absorbing, protection against the tide, abrasionproof, fire prevention, many premium properties such as heat insulation, anticorrosion, and economical and practical, utilizes environmental protection; So just reduce the vibration that power capacitor propagates into ground, effectively realize the object of converting station electric power capacitor vibration damping, noise reduction.
Cork 6 includes rubber, and cork is the composite article of cork powder and rubber, and cork-rubber goods are antidetonation, sound insulation more.
Cork 6 is symmetrically arranged with 2.
On the sidewall of carrying folder 1, be arranged with 2 screwed holes, for fixing of power capacitor and ground.
More than show and described general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. the shock-absorbing fixing device of a converting station electric power capacitor, it is characterized in that: comprise carrying folder, foamed aluminium board, electro-insulating rubber layer, described carrying folder is provided with groove, insert in described groove the bottom of described power capacitor, between described groove inside bottom and described power capacitor, be provided with described foamed aluminium board, between the sidewall of described groove and described power capacitor, be provided with electro-insulating rubber layer.
2. the shock-absorbing fixing device of converting station electric power capacitor according to claim 1, is characterized in that: on described foamed aluminium board, be evenly provided with sound-absorption hole.
3. the shock-absorbing fixing device of converting station electric power capacitor according to claim 1, is characterized in that: between described foamed aluminium board and described groove inside bottom, be equipped with seccotine.
4. the shock-absorbing fixing device of converting station electric power capacitor according to claim 1, is characterized in that: the bottom of described carrying folder is provided with vibration isolation cushion block.
5. the shock-absorbing fixing device of converting station electric power capacitor according to claim 4, is characterized in that: described vibration isolation cushion block is cork.
6. the shock-absorbing fixing device of converting station electric power capacitor according to claim 5, is characterized in that: described cork is symmetrically arranged with 2.
7. the shock-absorbing fixing device of converting station electric power capacitor according to claim 1, is characterized in that: on the sidewall of described carrying folder, be arranged with 2 screwed holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420188360.4U CN203826206U (en) | 2014-04-17 | 2014-04-17 | Vibration damping fixing device of transformer station power capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420188360.4U CN203826206U (en) | 2014-04-17 | 2014-04-17 | Vibration damping fixing device of transformer station power capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826206U true CN203826206U (en) | 2014-09-10 |
Family
ID=51481679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420188360.4U Expired - Fee Related CN203826206U (en) | 2014-04-17 | 2014-04-17 | Vibration damping fixing device of transformer station power capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826206U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465079A (en) * | 2014-11-21 | 2015-03-25 | 西安交通大学 | Low noise power capacitor adopting double casing structure with damping |
| CN104895120A (en) * | 2014-09-17 | 2015-09-09 | 国家电网公司 | Basic shock isolating system for interconnecting electric equipment |
| CN110415972A (en) * | 2019-07-05 | 2019-11-05 | 全球能源互联网研究院有限公司 | A kind of power capacitor and its vibration and noise reducing device |
| CN114724851A (en) * | 2022-04-01 | 2022-07-08 | 河海大学 | Filter capacitor for converter station |
| CN114724851B (en) * | 2022-04-01 | 2024-04-26 | 河海大学 | Filter capacitor for converter station |
-
2014
- 2014-04-17 CN CN201420188360.4U patent/CN203826206U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895120A (en) * | 2014-09-17 | 2015-09-09 | 国家电网公司 | Basic shock isolating system for interconnecting electric equipment |
| CN104465079A (en) * | 2014-11-21 | 2015-03-25 | 西安交通大学 | Low noise power capacitor adopting double casing structure with damping |
| CN110415972A (en) * | 2019-07-05 | 2019-11-05 | 全球能源互联网研究院有限公司 | A kind of power capacitor and its vibration and noise reducing device |
| CN114724851A (en) * | 2022-04-01 | 2022-07-08 | 河海大学 | Filter capacitor for converter station |
| CN114724851B (en) * | 2022-04-01 | 2024-04-26 | 河海大学 | Filter capacitor for converter station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20170417 |