CN107195430A - A kind of Anode saturable reactor of low-vibration noise - Google Patents
A kind of Anode saturable reactor of low-vibration noise Download PDFInfo
- Publication number
- CN107195430A CN107195430A CN201710353410.8A CN201710353410A CN107195430A CN 107195430 A CN107195430 A CN 107195430A CN 201710353410 A CN201710353410 A CN 201710353410A CN 107195430 A CN107195430 A CN 107195430A
- Authority
- CN
- China
- Prior art keywords
- saturable reactor
- anode saturable
- iron core
- anode
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/33—Arrangements for noise damping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/022—Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/263—Fastening parts of the core together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses a kind of Anode saturable reactor of low-vibration noise, including housing, nine pairs of " racetrack " iron cores and five circle coils, the coil are wound with properties of carbon fiber reinforced copper composite wire, and the space in housing is filled with polyurethane elastomer material.Anode saturable reactor of the present invention can effectively reduce the vibration of Anode saturable reactor, especially have obvious inhibition to dither and noise, and a kind of thinking is provided for Anode saturable reactor design.
Description
Technical field
The invention belongs to Anode saturable reactor vibration and noise control technology field, more particularly to a kind of low-vibration noise
Anode saturable reactor.
Background technology
D.C. high voltage transmission (HVDC) can effectively alleviate China's energy and the unbalanced problem of power load distributing, therefore, China
The proportion of extra-high voltage direct-current transmission engineering is rolled up in planning for the expansion of power grids.Anode saturable reactor is used in converter valve
The visual plant of IGCT is protected, the design and manufacture of Anode saturable reactor are also one of key technology of change of current valve system.
However, the vibration noise problem of converter valve is protruded very much, its primary oscillation source is the Anode saturable reactor in converter valve.Anode
Saturable reactor bears the effect of pulse voltage when converter valve is switched on or off, iron core magnetic it is unsaturated with magnetic saturation state it
Between the general completion within several μ s to tens of μ s time of conversion.Therefore containing substantial amounts of in Anode saturable reactor operating current
Harmonic wave, harmonic current can aggravate Anode saturable reactor vibration, while vibration noise caused by the higher electric current of frequency is more sharp,
Have a strong impact on equipment life and surrounding resident living environment.The long-term violent oscillatory motion of Anode saturable reactor can accelerate its aging,
Service life is reduced, when serious whole change of current valve system can be caused to break down.
Therefore, Anode saturable reactor reducing vibration and noise technology is studied, for converter valve or even the performance of DC transmission system
Improving has important engineering significance.
The content of the invention
The Anode saturable reactor vibration noise that the present invention is directed in converter valve is very big, a kind of polyurethane elastomer of proposition,
The Measure of reducing vibration that properties of carbon fiber reinforced copper composite and iron core bottom surface are fixed.
Polyurethane damping material is also referred to as viscoelastic damping material, with higher fissipation factor and preferable adhesive property.
The vibration of strength does not cause this damping material to come off aging, has high-temp resisting high-humidity resisting and oil under some special environment uses
Dirty characteristic.Before vibrating object produces higher resonance amplitude, first a part of vibrational energy is consumed in itself, to reach reduction
Amplitude, the purpose for reducing vibrational energy, are the materials with larger internal loss, interior friction.Elastic polyurethane physical efficiency increases anode
The collectivity damping property of saturable reactor vibrates so as to reduce body construction.
The technical scheme is that：A kind of Anode saturable reactor of low-vibration noise, including housing, nine to " runway
Type " iron core and five circle coils, the coil are wound with properties of carbon fiber reinforced copper composite wire, and the space in housing is used
Polyurethane elastomer material is filled.
Further, the iron core bottom surface is fixed with housing bottom surface.
Further, air gap is provided with the middle of described " racetrack " iron core, a pair of iron cores are tightened together with steel band, one is formed
Individual entire card is on winding.
Further, the coil of properties of carbon fiber reinforced copper composite wire winding ad-hoc location through housing and with
Housing is fixed.
Anode saturable reactor overall structure by nine to " racetrack " iron core and five circle coils as shown in figure 1, constituted, master
Rise and suppress the purpose that zooming electric current in converter valve reaches protection IGCT, single pair of " racetrack " core structure such as Fig. 2
It is shown.
The basic performance indices for the polyurethane damping elastomer that the checking test of the present invention is used are as shown in table 1, substantially
Performance indications meet the requirement of damping elastomer, and damping polyurethane elastomer fissipation factor varies with temperature situation such as Fig. 3 institutes
Show.
The polyurethane elastomer performance indications of table 1
By taking out single pair of Anode saturable reactor iron core and winding 22 circle coils, winding is applied by programmable power supply
The voltage drive of different size and different frequency, tests different excitation lower core magnitude of vibrations, and measuring point is as shown in Figure 2.After having surveyed
Put into again in special Steel material mould, add polyurethane elastomer to its elevated cure, pass through programmable power supply opposing connection
Group, which applies, to encourage, the magnitude of vibrations of test same position, shown in the vibration contrast table 2, table 3 in the case of two kinds.
It can be seen from Table 2 that, Anode saturable reactor iron core is added after damping polyurethane elastomer, vibration acceleration
Have with noise size and significantly decline.Vibration noise concrete numerical value under 400Hz excitations at different magnetic flux density iron core measuring points
And reduction percentage is as shown in table 2, the work magnetic of iron core is close higher as can be seen from the table, and the drop of elastomer effect of shaking is got over
Good, when it is 1.55T that iron core work magnetic is close, iron core has reached saturation state, and the drop of the damping elastomer percentage that shakes is 80%,
Illustrate that such a polyurethane elastomer drops the action effect that shakes to Anode saturable reactor iron core notable.With magnetic flux density in iron core
Rise, the noise reduction percentage of elastomer first increases to be reduced afterwards, and when magnetic flux density is 0.62T in iron core, noise reduction percentage reaches
18.96%, due to noise it is higher in the case of, in the case of same-amplitude is value-added, noise and vibration is not obvious, therefore magnetic flux density
Noise reduction percentage is relatively low when higher, but overall effect is preferable.
The vibration noise inhibiting rate of different correspondence magnetic flux densities at the lower measuring point of the 400Hz of table 2 excitations
Magnetic flux density is contrasted in the vibration acceleration produced by different frequency in the case of 0.155T with noise size
Analysis, vibration acceleration and noise size and drop shake noise reduction rate as shown in table 3, be can be seen that by data in table with sun
The rise of pole saturable reactor iron core driving frequency, drop noise reduction of shaking is better, in the case that driving frequency reaches 2000Hz,
Drop the percentage that shakes and reach 93.48%, illustrate that the core vibration inhibition that such a polyurethane elastomer is encouraged to high-frequency harmonic shows
Write, therefore the electrical equipment drop noise reduction of shaking that such a polyurethane elastomer is applied under high-frequency work is more effective.
Vibration noise inhibiting rate at the lower measuring point of different frequency excitation when the iron core magnetic flux density of table 3 is 0.155T
Properties of carbon fiber reinforced copper composite combines the good conductive of copper, thermal conductivity, and with intensity is high, rigidity is good,
The advantages of light weight, low-expansion coefficient, good stability of the dimension.Properties of carbon fiber reinforced copper composite is multiple different from polymer simultaneously
Condensation material, for a long time using or shelve will not aging, the moisture absorption, also do not decompose, environment will not more have been polluted.Carbon fiber
Strengthen the electric conductivity of Cu-base composites with carbon fiber changes of contents trend as shown in figure 4, copper electrical conductivity for 57.21 ×
106S/m, the electrical conductivity for the properties of carbon fiber reinforced copper composite that carbon content is 3% is 40.8 × 106S/m, works as carbon fiber content
Electrical conductivity at 5% is 39.71 × 106S/m, the conductance of properties of carbon fiber reinforced copper composite when carbon content is more than 5%
Rate rapid decrease.Consider the properties of carbon fiber reinforced copper composite that selection carbon content is 3%, its Young's modulus and Poisson's ratio
Respectively 300GPa and 0.3, and the Young's modulus of copper conductor and Poisson's ratio are respectively 90GPa and 0.34, fibre reinforced is copper-based
The mechanical performance of composite is much better than copper conductor.
Air gap is provided with the middle of Anode saturable reactor each pair " racetrack " iron core, a pair of iron cores are fastened on one with steel band
Rise, form an entire card on winding, concrete structure is as shown in Figure 5.Although cast polyurethane bullet in Anode saturable reactor
Property body, because iron core is by magnetostrictive force and electromagnetic force, the vibration noise that iron core and housing collision are produced is very big, therefore will
It is fixed at the position 1 of iron core bottom surface with housing bottom surface, position 1 is as shown in figure 5, the effect of fixed constraint is increase structure
Integral rigidity, reduces Oscillation Amplitude.
Beneficial effects of the present invention：Anode saturable reactor intensity of the invention is high, the good, light weight of rigidity, low bulk system
Number, good stability of the dimension, conductive and good heat conductivity.Polyurethane elastomer material has higher fissipation factor and preferably viscous
Tie performance.Heating also complies with setting while Anode saturable reactor vibration is reduced, and passes through consumable anode saturable reactor
Body, which vibrates interior energy, reduces Oscillation Amplitude, at the same damping material have it is very strong sound absorption properties, by testing single pair of iron core
The drop for demonstrating polyurethane elastomer is shaken effect.Properties of carbon fiber reinforced copper composite is different from polymer composites, has
Very strong hardness and toughness, can preferably support nine pairs of iron cores so as to reducing vibration displacement, for a long time using or shelve will not
Aging, the moisture absorption, are not also decomposed, and more environment will not have been polluted.The application of above two material can satisfy ensureing anode
Substantially lower its vibration noise in the case where electric property does not change with reactor." racetrack " iron core bottom surface and housing
Be connected constraint, it can be effectively reduced with the collision of housing bottom surface so as to increase overall structure stability, by magnetostriction
Power is reduced with displacement after Windings Electromagnetic Force.
Brief description of the drawings
Fig. 1 Anode saturable reactor structure charts
Fig. 2 Anode saturable reactors single pair of " racetrack " core structure figure and measuring point
Fig. 3 polyurethane elastomer fissipation factors vary with temperature figure
Conductance in Fig. 4 properties of carbon fiber reinforced copper composite corresponding to different carbon fiber contents
Fig. 5 " racetrack " iron core steel bands and with housing bottom surface fixed position figure
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
The Anode saturable reactor of the present invention, including housing, nine use " racetrack " iron core and five circle coils, the coil
Properties of carbon fiber reinforced copper composite wire is wound, and 5 circle windings are carried out into entirety with epoxy resin after the completion of coiling fixes,
Filled with polyurethane elastomer material in space in housing.
The preparation method of the Anode saturable reactor comprises the following steps：
Step one, properties of carbon fiber reinforced copper composite wire is wound, then 9 is uniformly blocked to " racetrack " iron core
On winding and use steel band banding, apply maximum prestress.
Step 2, the steel band of each pair iron core is fixed at Fig. 5 positions 1 with Anode saturable reactor housing bottom surface.
Step 3, winding position 2 and position 3 is through housing and fixed between housing, position 2 and such as Fig. 1 institutes of position 3
Show, then to enclosure interior cast urethane elastomer and to its elevated cure.
The foregoing is only a preferred embodiment of the present invention, it is not intended that to protection scope of the present invention
Limitation, the person skilled in the art in the field without departing from the spirit and scope of the present invention, can also make some and change
Enter and adjust.Therefore all equivalent technical schemes fall within scope of the invention, and protection scope of the present invention should be with right
It is required that protection domain be defined.
Claims (4)
1. a kind of Anode saturable reactor of low-vibration noise, it is characterised in that including housing, nine to " racetrack " iron core and five
Circle coil, the coil is wound with properties of carbon fiber reinforced copper composite wire, the space elastic polyurethane in housing
Body material is filled.
2. Anode saturable reactor according to claim 1, it is characterised in that the iron core bottom surface is carried out with housing bottom surface
It is fixed.
3. Anode saturable reactor according to claim 1, it is characterised in that be provided with gas in the middle of " racetrack " iron core
Gap, is tightened together a pair of iron cores with steel band, forms an entire card on winding.
4. Anode saturable reactor according to claim 1, it is characterised in that the properties of carbon fiber reinforced copper composite
The coil of wire winding is fixed through housing and with housing in ad-hoc location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353410.8A CN107195430A (en) | 2017-05-18 | 2017-05-18 | A kind of Anode saturable reactor of low-vibration noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353410.8A CN107195430A (en) | 2017-05-18 | 2017-05-18 | A kind of Anode saturable reactor of low-vibration noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107195430A true CN107195430A (en) | 2017-09-22 |
Family
ID=59875207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710353410.8A Pending CN107195430A (en) | 2017-05-18 | 2017-05-18 | A kind of Anode saturable reactor of low-vibration noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107195430A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112464430A (en) * | 2020-10-19 | 2021-03-09 | 中国电力科学研究院有限公司 | Method and system for determining vibration noise of extra-high voltage shunt reactor iron core |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202584997U (en) * | 2012-04-17 | 2012-12-05 | 嘉善华瑞赛晶电气设备科技有限公司 | Double-rail type iron core anode saturation resistor |
| CN202711904U (en) * | 2012-08-20 | 2013-01-30 | 嘉善华瑞赛晶电气设备科技有限公司 | Epoxy resin cast insulated double-track-type iron core anode saturable reactor |
| CN105070476A (en) * | 2015-08-21 | 2015-11-18 | 南京南瑞继保电气有限公司 | Anode saturation reactor of direct-current converter valve |
| CN204946669U (en) * | 2015-09-07 | 2016-01-06 | 西安神工机电设备有限公司 | Adopt the converter valve Anode saturable reactor of epoxy resin pouring coil |
| CN205508584U (en) * | 2016-01-29 | 2016-08-24 | 北京科锐配电自动化股份有限公司 | Novel positive pole saturable reactor structure unshakable in one's determination |
-
2017
- 2017-05-18 CN CN201710353410.8A patent/CN107195430A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202584997U (en) * | 2012-04-17 | 2012-12-05 | 嘉善华瑞赛晶电气设备科技有限公司 | Double-rail type iron core anode saturation resistor |
| CN202711904U (en) * | 2012-08-20 | 2013-01-30 | 嘉善华瑞赛晶电气设备科技有限公司 | Epoxy resin cast insulated double-track-type iron core anode saturable reactor |
| CN105070476A (en) * | 2015-08-21 | 2015-11-18 | 南京南瑞继保电气有限公司 | Anode saturation reactor of direct-current converter valve |
| CN204946669U (en) * | 2015-09-07 | 2016-01-06 | 西安神工机电设备有限公司 | Adopt the converter valve Anode saturable reactor of epoxy resin pouring coil |
| CN205508584U (en) * | 2016-01-29 | 2016-08-24 | 北京科锐配电自动化股份有限公司 | Novel positive pole saturable reactor structure unshakable in one's determination |
Non-Patent Citations (1)
| Title |
|---|
| 张书华等: "3.2.3铜基复合材料", 《高性能电缆材料及其应用技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112464430A (en) * | 2020-10-19 | 2021-03-09 | 中国电力科学研究院有限公司 | Method and system for determining vibration noise of extra-high voltage shunt reactor iron core |
| CN112464430B (en) * | 2020-10-19 | 2024-03-29 | 中国电力科学研究院有限公司 | Method and system for determining vibration noise of iron core of extra-high voltage shunt reactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mallick et al. | A nonlinear stretching based electromagnetic energy harvester on FR4 for wideband operation | |
| Moss et al. | Scaling and power density metrics of electromagnetic vibration energy harvesting devices | |
| US9130161B2 (en) | Vibration energy harvesting apparatus | |
| US9571011B2 (en) | Power generating element and power generation device | |
| Bachmann et al. | Passive damping of composite blades using embedded piezoelectric modules or shape memory alloy wires: a comparative study | |
| US8044307B2 (en) | Power transformer/reactor | |
| Przybylski et al. | Development and characterization of a multi-layer magnetorheological elastomer isolator based on a Halbach array | |
| CN107195430A (en) | A kind of Anode saturable reactor of low-vibration noise | |
| CN108962557A (en) | A kind of design method of the high pressure iron core filter reactor based on equivalent flux density method | |
| Lü et al. | A new 3D method for reactor core vibration based on silicon steel lamination rules and application in UHV shunt reactors | |
| JP6164561B1 (en) | Vibration power generation unit | |
| Lee et al. | Frequency tuning design for vibration‐driven electromagnetic energy harvester | |
| Ertl et al. | Investigation of load noise generation of large power transformer by means of coupled 3D FEM analysis | |
| Zhang et al. | Vibration and noise reduction of HVDC anode saturable reactor by polyurethane damping elastomer | |
| CN104505222A (en) | High thermal conductivity electric reactor | |
| Michel et al. | Design, construction, and operation of new duplex magnet at pulsed field facility-NHMFL | |
| CN102227787B (en) | Induction device | |
| Marin | Mechanical Energy Harvesting for Powering Distributed Sensors and Recharging Storage Systems | |
| CN208890620U (en) | A kind of energy " convolution " thin-slab structure of control frequency vibration damping | |
| WO2018216441A1 (en) | Reactor | |
| CN1187504C (en) | Damper for runing dissipation of energy of electromagnetic eddy current | |
| Wang et al. | The analysis of nonlinear system characteristics of vibration-to-electric generator | |
| van der Aa et al. | Measurement and Simulation of Vibration Acceleration of a High-Voltage Three-Phase Gapped-Core Reactor | |
| Du et al. | Low-frequency Vibration Energy Harvesting Using Magnetic Shape Memory Alloy | |
| Wang et al. | Calculation of Inherent Vibration Features of Large Capacity On-Board Transformer of 220kV |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170922 |