CN105444877B - A kind of electric and magnetic oscillation noise test shunt reactor equivalent model - Google Patents
A kind of electric and magnetic oscillation noise test shunt reactor equivalent model Download PDFInfo
- Publication number
- CN105444877B CN105444877B CN201511002865.2A CN201511002865A CN105444877B CN 105444877 B CN105444877 B CN 105444877B CN 201511002865 A CN201511002865 A CN 201511002865A CN 105444877 B CN105444877 B CN 105444877B
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- China
- Prior art keywords
- phase
- iron core
- columns
- iron
- fuel tank
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
-
- 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
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
-
- 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
- H01F27/266—Fastening or mounting the core on casing or support
Abstract
The present invention relates to a kind of electric and magnetic oscillation noise test shunt reactor equivalent models, belong to transformer test technical field.Technical solution is：The principal post of single-phase three columns iron core uses five iron-cored cakes（4）, marble blocks are used between iron-cored cake（3）Support；The iron yoke of single-phase three columns iron core（1）Step up realized by folder and other screw rod；Core limb is used to be tensed by high strength steel screw rod beam；Iron-cored cake（4）Coil is arranged in outside（5）, magnetic screen is respectively set in two ends of coil（2）；In fuel tank（7）Oil conservater is arranged in top（8）, gilled radiator is arranged in the low-pressure side outside fuel tank（6）；Using Natural Oil Circulation Power, there are the outlet holes of measurement line for top of oil-tank.The positive effect of the present invention：It is designed using with the equivalent electrical structure in high-voltage shunt reactor magnetic field；It can be in the magnetic flux leakage of experiment indoor simulation high pressure, large capacity shunt transformer under operation, vibration noise transmitting, Coupling Rule using the equivalent model.
Description
Technical field
The present invention relates to a kind of electric and magnetic oscillation noise test shunt reactor equivalent models, belong to transformer test technology
Field.
Background technique
Oil-immersed and high-voltage shunt reactor iron core is usually used what multiple iron-cored cakes and multiple air gaps were constituted, due to this
There is vibration and noise more outstanding in actual operation in design feature.It is in parallel with low noise is manufactured in order to design
Reactor product need in depth study the rule of vibration noise transmitting, coupling in transformer, exploitation, verifying high-voltage parallel reactance
Device ontology noise reduction new material/structure, while carrying out shunt reactor three-dimensional magnetic field, stray loss, hot-spot etc.
Research and application, those skilled in the art are badly in need of the parallel reactance that can be used for electromagnetic measurement, vibration and noise test
Device equivalent model can carry out the studies above in low-voltage and small size equivalent model.
Summary of the invention
It is an object of the present invention to provide a kind of electric and magnetic oscillation noise test shunt reactor equivalent models, using equivalent electricity
Depressed structure design can test indoor simulation high pressure, large capacity shunt transformer under operation using the equivalent model
Magnetic flux leakage, vibration noise transmitting, Coupling Rule, solve background technique existing for the above problem.
The technical scheme is that：
A kind of electric and magnetic oscillation noise test shunt reactor equivalent model includes body, gilled radiator, fuel tank and storage
Oil Tank, body are arranged in fuel tank, and fuel tank is connected to oil conservater；The body is made of single-phase three columns iron core and winding, single-phase
The principal post of three column iron cores uses five iron-cored cakes, is supported between iron-cored cake with marble blocks, to reserve enough gaps；Single-phase three
The iron yoke of column iron core steps up to realize by folder and other screw rod；
Coil is arranged outside iron-cored cake, two ends of coil are respectively set magnetic screen, to improve Distribution of Magnetic Field, prevent magnetic
It is logical to enter folder；It in the outside of single-phase three columns iron core, is furthered, is guaranteed single using the tension device by high strength steel screw rod Shu Zucheng
The core limb constant pressure of three column iron core of phase；
In order to reduce transverse magnetic flux caused added losses in iron-cored cake at air gap, the silicon steel sheet of single-phase three columns iron core is
Solidified integral by centre bore radial stack outward using vacuum epoxy resin pressure pouring；
Since gilled radiator and oil conservater can have an impact the vibration of fuel tank, oil conservater, oil are set on fuel tank top
Gilled radiator is arranged in low-pressure side outside case；Using Natural Oil Circulation Power, for the ease of shaking to the single-phase three columns iron core in oil
Dynamic test, there are the outlet holes of measurement line for top of oil-tank.
Shunt reactor equivalent model of the invention is defined as：The magnetic field of model and conventional high-pressure shunt reactor product has
There is a higher consistency, priority control critical data can be close to Product Level, and the correlation with height in structure is able to verify that
The magnetic flux leakage of product, vibration noise transmitting, Coupling Rule.
The technology of the present invention feature is：Compared with high-voltage shunt reactor, voltage of the present invention is lower, size is smaller, and voltage has
Bigger tolerance range meets requirement of the experimental study different designs flux density to vibration of reactor noise effect.
The positive effect of the present invention：It is designed using equivalent electrical structure；It can be in laboratory using the equivalent model
Simulated high-pressure, large capacity shunt transformer magnetic flux leakage under operation, vibration noise transmitting, Coupling Rule.
Detailed description of the invention
Fig. 1 is the primary structure figure of shunt reactor equivalent model body of the present invention；
Fig. 2 is shunt reactor equivalent model outline drawing of the present invention；
In figure：Iron yoke 1, magnetic screen 2, marble blocks 3, iron-cored cake 4, coil 5, gilled radiator 6, fuel tank 7, oil conservater 8.
Specific embodiment
Below in conjunction with attached drawing, the invention is further illustrated by the examples.
A kind of electric and magnetic oscillation noise test shunt reactor equivalent model includes body, gilled radiator 6,7 and of fuel tank
Oil conservater 8, body are arranged in fuel tank 7, and fuel tank 7 is connected to oil conservater 8；The body is by single-phase three columns iron core and winding structure
At the principal post of single-phase three columns iron core uses five iron-cored cakes 4, is supported between iron-cored cake with marble blocks 3, to reserve enough
Gap；The iron yoke 1 of single-phase three columns iron core steps up to realize by folder and other screw rod；
Coil 5 is arranged outside iron-cored cake 4, magnetic screen 2 is respectively set in two ends of coil 5, to improve Distribution of Magnetic Field, prevents
Only magnetic flux enters folder；It in the outside of single-phase three columns iron core, is furthered, is protected using the tension device by high strength steel screw rod Shu Zucheng
Demonstrate,prove the core limb constant pressure of single-phase three columns iron core；
In order to reduce transverse magnetic flux caused added losses in iron-cored cake at air gap, the silicon steel sheet of single-phase three columns iron core is
Solidified integral by centre bore radial stack outward using vacuum epoxy resin pressure pouring；
Since gilled radiator 6 and vibration of the oil conservater 8 to fuel tank can have an impact, oil conservater 8 is set on fuel tank top,
Gilled radiator 6 is arranged in low-pressure side outside fuel tank；Using Natural Oil Circulation Power, for the ease of being carried out to the single-phase three columns iron core in oil
Vibration-testing, there are the outlet holes of measurement line for top of oil-tank.
Reactor model cannot be designed simply using the contracting of scaled down than principle.By simulation analysis, the present invention is logical
It crosses and controls the technical indicator of following shunt reactor and reach equivalents：
1）, single-phase three columns iron core flux density；
2）, magnetic screen flux density；
3）, folder flux density and loss density；
4）, fuel tank flux density and loss density；
5）, single-phase three columns iron core high strength steel screw rod beam flux density and loss density；
6）, single-phase three columns iron core size of gaps selection；
7）, single-phase three columns iron core high strength steel screw rod beam radical, intensity and pretightning force.
It is calculated by Electromagnetic Simulation repeatedly, comparison, analysis, the above-mentioned main control technology index energy of final equivalent model
Enough utmostly close to high-voltage shunt reactor Product Level.
The basic parameter of the present embodiment shunt reactor equivalent model：
Rated capacity： 6.7 Mvar ；
Voltage rating： 22.52/√3（Radical sign 3） ~34kV/√3（Radical sign 3）（In order to test different designs flux density to electricity
The influence of anti-device vibrating noise）；
Reactance value： 25.23Ω；
Temperature limit：Oil overhold layer 60K, winding are averaged 65K, coiling hotspot 78K；
Noise level： ≤ 75dB(A).
Compared with high-voltage shunt reactor, voltage of the present invention is lower, size is smaller, and voltage has bigger tolerance range,
Meet requirement of the experimental study different designs flux density to vibration of reactor noise effect.
Claims (2)
1. a kind of electric and magnetic oscillation noise test shunt reactor equivalent model, it is characterised in that：Include body, gilled radiator
（6）, fuel tank（7）And oil conservater（8）, body setting is in fuel tank（7）It is interior, fuel tank（7）With oil conservater（8）Connection；The body by
Single-phase three columns iron core and winding are constituted, and the principal post of single-phase three columns iron core uses five iron-cored cakes（4）, marble is used between iron-cored cake
Block（3）Support；The iron yoke of single-phase three columns iron core（1）Step up realized by folder and other screw rod；
Iron-cored cake（4）Coil is arranged in outside（5）, coil（5）Two ends magnetic screen is respectively set（2）；In single-phase three columns iron
The outside of the heart guarantees that the core limb of single-phase three columns iron core is constant using the tension device tension by high strength steel screw rod Shu Zucheng
Pressure；
The silicon steel sheet of single-phase three columns iron core be by centre bore radial stack outward, using vacuum epoxy resin pressure pouring,
Solidify integral；
On fuel tank top, oil conservater is set（8）, gilled radiator is arranged in the low-pressure side outside fuel tank（6）；Using Natural Oil Circulation Power, oil
There are the outlet holes of measurement line in bottom portion.
2. a kind of electric and magnetic oscillation noise test shunt reactor equivalent model according to claim 1, it is characterised in that
Reached and high-voltage shunt reactor equivalents by controlling following technical indicator：
1）, single-phase three columns iron core flux density；
2）, magnetic screen flux density；
3）, folder flux density and loss density；
4）, fuel tank flux density and loss density；
5）, single-phase three columns iron core high strength steel screw rod beam flux density and loss density；
6）, single-phase three columns iron core size of gaps selection；
7）, single-phase three columns iron core high strength steel screw rod beam radical, intensity and pretightning force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511002865.2A CN105444877B (en) | 2015-12-29 | 2015-12-29 | A kind of electric and magnetic oscillation noise test shunt reactor equivalent model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511002865.2A CN105444877B (en) | 2015-12-29 | 2015-12-29 | A kind of electric and magnetic oscillation noise test shunt reactor equivalent model |
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| Publication Number | Publication Date |
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| CN105444877A CN105444877A (en) | 2016-03-30 |
| CN105444877B true CN105444877B (en) | 2018-11-30 |
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| CN201511002865.2A Active CN105444877B (en) | 2015-12-29 | 2015-12-29 | A kind of electric and magnetic oscillation noise test shunt reactor equivalent model |
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| CN114216635B (en) * | 2021-11-24 | 2023-08-22 | 广西电网有限责任公司电力科学研究院 | Test device and method for influencing vibration and noise by tensioning screw rod of parallel reactor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2757307Y (en) * | 2004-09-09 | 2006-02-08 | 郭爱华 | Iron core reactor |
| CN102709037A (en) * | 2012-06-20 | 2012-10-03 | 湖北省电力公司电力试验研究院 | Transformer with built-in transducer |
| JP5716330B2 (en) * | 2010-09-22 | 2015-05-13 | Ｊｆｅスチール株式会社 | Evaluation method of electrical steel sheet for laminated iron core |
| CN104682385A (en) * | 2015-02-11 | 2015-06-03 | 华北电力大学 | Low-voltage physical model for thyristor controlled transformer type single-phase controllable shunt reactor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009027102A (en) * | 2007-07-24 | 2009-02-05 | Tokyo Univ Of Science | Stacked coil, vibration sensor using stacked coil, and manufacturing method of the stacked coil |
-
2015
- 2015-12-29 CN CN201511002865.2A patent/CN105444877B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2757307Y (en) * | 2004-09-09 | 2006-02-08 | 郭爱华 | Iron core reactor |
| JP5716330B2 (en) * | 2010-09-22 | 2015-05-13 | Ｊｆｅスチール株式会社 | Evaluation method of electrical steel sheet for laminated iron core |
| CN102709037A (en) * | 2012-06-20 | 2012-10-03 | 湖北省电力公司电力试验研究院 | Transformer with built-in transducer |
| CN104682385A (en) * | 2015-02-11 | 2015-06-03 | 华北电力大学 | Low-voltage physical model for thyristor controlled transformer type single-phase controllable shunt reactor |
Non-Patent Citations (1)
| Title |
|---|
| 大型并联电抗器的电磁场综述及受力的仿真;张栋 等;《变压器》;20151031;第52卷(第10期);19-25 * |
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| CN105444877A (en) | 2016-03-30 |
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