CN108107399A - Charged access device and transformer checking system - Google Patents
Charged access device and transformer checking system Download PDFInfo
- Publication number
- CN108107399A CN108107399A CN201810159326.7A CN201810159326A CN108107399A CN 108107399 A CN108107399 A CN 108107399A CN 201810159326 A CN201810159326 A CN 201810159326A CN 108107399 A CN108107399 A CN 108107399A
- Authority
- CN
- China
- Prior art keywords
- mutual inductor
- access device
- grading ring
- fixed
- fixed structure
- 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.)
- Granted
Links
- 238000010276 construction Methods 0.000 claims abstract description 70
- 238000013016 damping Methods 0.000 claims abstract description 32
- 230000000694 effects Effects 0.000 claims abstract description 8
- 230000001154 acute effect Effects 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 abstract description 12
- 238000012360 testing method Methods 0.000 abstract description 11
- 238000011161 development Methods 0.000 abstract description 4
- 238000012795 verification Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
Abstract
The embodiment of the present invention provides a kind of charged access device and transformer checking system.Charged access device includes grading ring, fixed structure, damping resistance, enclosed construction, postive stop baffle and elastic construction.One end of damping resistance is flexibly connected with grading ring, and the opposite other end is connected with fixed structure.One end of enclosed construction and the end of grading ring connect, and the one end of enclosed construction away from grading ring is fixed through fixed structure and with fixed structure.Postive stop baffle is arranged between enclosed construction and damping resistance.Elastic construction is arranged between postive stop baffle and fixed structure.When standard mutual inductor rises so that generating pressure between charged access device and the conducting wire of high-voltage mutual inductor; the elastic construction effect of being under pressure occurs elastic telescopic and passes through enclosed construction to grading ring application pressure; so that the conducting wire continuous contact of grading ring and high-voltage mutual inductor; so as to ensure the safe and effective of charged on-line testing experiment, it is ensured that the smooth development of the charged on-line testing experiment of mutual inductor.
Description
Technical field
The present invention relates to charged access technology field, in particular to a kind of charged access device and transducer check
System.
Background technology
In the prior art, key data collecting device of the mutual inductor as substation, accuracy are related to the peace of power grid
Full stable operation.In order to ensure the accuracy of electrical energy measurement, it is necessary under actual operating mode to the mutual inductor of on-line operation into
Row verification, however at present either for traditional mutual inductor or new electronic mutual inductor, using offline verification.Through this
Application inventor using offline verification the study found that be primarily present following deficiency：First, the voltage transformer (example of onsite application
Such as capacitance type potential transformer and electronic mutual inductor) larger accuracy change probably occurs between offline verification twice
Change, it is inaccurate so as to cause check results.In addition, offline verification needs to carry out power failure operation, process is complicated, and gap periods are long,
It can not find that the accuracy occurred in operation changes in time.Secondly, offline verification is to being tested mutual inductor in nominal load and lower limit
Accuracy under load, is a kind of detection method of static state, but mutual inductor under operation with actual loading when it is accurate
Degree can not truly reflect.Therefore, to ensure the accuracy of mutual inductor electrical energy measurement, voltage transformer can be used in tape
Electric verification mode, and the difficult point of online charged verification mode be to be susceptible to when online band is electrically accessed point discharge situation so as to
There is security incident, so as to influence the smooth development of charged on-line testing experiment.How the peace of charged on-line testing experiment is ensured
It is complete effective, it is the technical issues of those skilled in the art are urgently to be resolved hurrily.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, it is an object of the invention to provide a kind of charged access device and mutually
Sensor check system can ensure the safe and effective of charged on-line testing experiment, it is ensured that the charged on-line testing experiment of mutual inductor
Smoothly carry out.
To achieve these goals, the technical solution that the embodiment of the present invention uses is as follows：
The embodiment of the present invention provides a kind of charged access device, applied to transformer checking system, the transducer check
System includes high-voltage mutual inductor and standard mutual inductor, and the charged access device includes：
For the grading ring of the conductive contact with the high-voltage mutual inductor；
For the fixed structure being fixedly connected with the standard mutual inductor；
Damping resistance, one end of the damping resistance and the grading ring are flexibly connected, the opposite other end with it is described solid
Determine structure connection；
Enclosed construction, one end of the enclosed construction are connected with the end of the grading ring, and the enclosed construction is away from institute
One end of grading ring is stated through the fixed structure and is fixed with the fixed structure；
Postive stop baffle, the postive stop baffle are arranged between the enclosed construction and the damping resistance；And
Elastic construction, the elastic construction are arranged between the postive stop baffle and the fixed structure, when the standard
When mutual inductor rises so that generating pressure between the charged access device and the conducting wire of the high-voltage mutual inductor, the elasticity knot
The structure effect of being under pressure occurs elastic telescopic and applies pressure to the grading ring by the enclosed construction so that described to press
The conducting wire continuous contact of ring and the high-voltage mutual inductor.
In embodiments of the present invention, the grading ring includes：
For the groove of the conductive contact with the high-voltage mutual inductor；
The first end and the second end being connected respectively with the both sides of the groove, the first end and the second end
Portion is fixedly connected with the enclosed construction.
In embodiments of the present invention, the bottom portion of groove is provided with the first binding post, and one end of the damping resistance is set
There is the second binding post, connected between first binding post and second binding post by flexible wire, by the damping
Resistance is flexibly connected with the grading ring.
In embodiments of the present invention, the first perforate on the postive stop baffle is set, second is provided on the fixed structure
Perforate, one end of the elastic construction are fixed in first perforate, and the other end of the elastic construction is fixed on described
In two perforates.
In embodiments of the present invention, the fixed structure further include for the fixed fixed slot of the damping resistance.
In embodiments of the present invention, the damping resistance includes the fixing piece coordinated with the fixed slot.
In embodiments of the present invention, the fixing piece uses bolt or screw.
In embodiments of the present invention, the fixed structure further includes fixed hole, and the enclosed construction is pressed away from described
One end of ring is fixed through the fixed hole with the fixed structure.
In embodiments of the present invention, the one end of the enclosed construction away from the grading ring is additionally provided with retaining structure, institute
The angle stated between the extending direction of retaining structure and the extending direction of the fixed structure is less than predetermined acute angle.
The embodiment of the present invention also provides a kind of transformer checking system, and the transformer checking system includes high pressure mutual inductance
Device, standard mutual inductor, lifting platform and above-mentioned charged access device, the standard mutual inductor are arranged on the lifting platform,
And as the rising of the lifting platform to generate pressure between the charged access device and the conducting wire of the high-voltage mutual inductor,
The elastic construction effect of being under pressure occurs elastic telescopic and applies pressure to the grading ring by the enclosed construction, makes
Obtain the conducting wire continuous contact of the grading ring and the high-voltage mutual inductor.
In terms of existing technologies, the invention has the advantages that：
Charged access device and transformer checking system provided in an embodiment of the present invention, charged access device include pressing
Ring, fixed structure, damping resistance, enclosed construction, postive stop baffle and elastic construction.One end of damping resistance is flexible with grading ring
Connection, the opposite other end are connected with fixed structure.One end of enclosed construction and the end of grading ring connect, and enclosed construction is separate
One end of grading ring is fixed through fixed structure and with fixed structure.Postive stop baffle be arranged on enclosed construction and damping resistance it
Between.Elastic construction is arranged between postive stop baffle and fixed structure.When standard mutual inductor rises so that charged access device and height
When generating pressure between the conducting wire of pressure mutual inductor, the elastic construction effect of being under pressure occurs elastic telescopic and passes through enclosed construction pair
Grading ring applies pressure so that the conducting wire continuous contact of grading ring and high-voltage mutual inductor, so as to ensure charged on-line testing experiment
It is safe and effective, it is reasonable which is electrically accessed apparatus structure, easy to use, easy to operate, can effectively ensure mutual inductor band
The smooth development of electric on-line testing experiment.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structure diagram of charged access device provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of grading ring provided in an embodiment of the present invention；
Fig. 3 is the enlarged structure schematic diagram of the I parts shown in Fig. 1；
Fig. 4 is the planar structure schematic diagram of fixed structure provided in an embodiment of the present invention；
Icon：The charged access devices of 100-；110- grading rings；111- grooves；112- first ends；113- the second ends；
The first binding posts of 115-；The second binding posts of 135-；120- fixed structures；121- fixed slots；The second perforates of 122-；123- is fixed
Through hole；130- damping resistances；132- fixing pieces；140- enclosed constructions；145- retaining structures；150- postive stop baffles；160- elasticity
Structure；170- flexible wires.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.The present invention implementation being usually described and illustrated herein in the accompanying drawings
The component of example can configure to arrange and design with a variety of.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
All other embodiment that technical staff is obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.Meanwhile the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is necessary to which the orientation of the instructions such as explanation, term " on ", " under " or position relationship are base
In orientation shown in the drawings or position relationship or the invention product using when the orientation usually put or position relationship, only
It is that the present invention must have specifically with the device for describing rather than indicate or imply meaning or element is simplified for ease of description
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；Can be
Mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be two
Connection inside element.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood in the present invention
In concrete meaning.
Below in conjunction with the accompanying drawings, elaborate to some embodiments of the present invention.In the case where there is no conflict, it is following
Feature in embodiment and embodiment can be mutually combined.
Referring to Fig. 1, it is charged 100 structure diagram of access device provided in an embodiment of the present invention.In the present embodiment, institute
Charged access device 100 is stated applied to transformer checking system, the transformer checking system includes high-voltage mutual inductor and standard
Mutual inductor.It is into 220kv electric system that big voltage conversion is big electric into small voltage or general that the high-voltage mutual inductor applies to 1kv
Circulation changes low current into order to the mutual inductor for measuring, protecting, using.The standard mutual inductor is powered mainly for base and life
The needs of production department and design, verification standard is used as in the error test of mutual inductor.
With reference to shown in Fig. 1, in the present embodiment, the charged access device 100 include grading ring 110, fixed structure 120,
Damping resistance 130, enclosed construction 140, postive stop baffle 150 and elastic construction 160.The grading ring 110 is used for and the height
The conductive contact of mutual inductor is pressed, the fixed structure 120 is used to be fixedly connected with the standard mutual inductor.The damping resistance
130 one end is flexibly connected with the grading ring 110, and the opposite other end is connected with the fixed structure 120.The closing knot
One end of structure 140 is connected with the end of the grading ring 110, and the one end of the enclosed construction 140 away from the grading ring 110 is worn
It crosses the fixed structure 120 and is fixed with the fixed structure 120.The postive stop baffle 150 is arranged on the enclosed construction 140
Between the damping resistance 130.The elastic construction 160 be arranged on the postive stop baffle 150 and the fixed structure 120 it
Between, when the standard mutual inductor rises so that being generated between the charged access device 100 and the conducting wire of the high-voltage mutual inductor
During pressure, the elastic construction 160 is under pressure to act on generation elastic telescopic and pass through the enclosed construction 140 and press described
Ring 110 applies pressure so that the conducting wire continuous contact of the grading ring 110 and the high-voltage mutual inductor.
Based on above-mentioned design, charged access device 100 provided in this embodiment passes through the fixed structure 120 and standard
Mutual inductor connects, and the charged access device 100 is fixed on the standard mutual inductor top, and the grading ring 110 and high pressure are mutual
The conductive contact of sensor, as standard mutual inductor follows the rising of lifting platform, the charged access device 100 and high-voltage mutual inductor
Conducting wire between generate pressure, the effect of being under pressure of elastic construction 160 promotes the conducting wire of high-voltage mutual inductor and the fixation
Structure 120 comes into full contact with, so as to prevent unexpected landing, it is ensured that is not in that high-voltage mutual inductor is once led in pressure process is tested
Situations such as line slides, discharges with grading ring 110.
Optionally, in the present embodiment, the elastic construction 160 may be employed spring or it is other have it is elastically-deformable
Element, the present embodiment is to this and is not specifically limited.
Optionally, referring to Fig. 2, the grading ring 110 may include for the conductive contact with the high-voltage mutual inductor
Groove 111 and the first end 112 being connected respectively with the both sides of the groove 111 and the second end 113, the first end
112 and the second end 113 be fixedly connected with the enclosed construction 140.It is designed by the groove 111 of grading ring 110, the band
It is electrically accessed device 100 and after the conductive contact of high-voltage mutual inductor, which enters groove 111 and come into full contact with grading ring 110,
So as to ensure that good premise can be provided with the safety of terminating wire with effective for smooth carry out of experiment.
Optionally, Fig. 3 is please referred to, 111 bottom of groove of the grading ring 110 is additionally provided with the first binding post 115,
One end of the damping resistance 130 is provided with the second binding post 135, first binding post 115 and second binding post 135
Between connected by flexible wire 170, the damping resistance 130 and the grading ring 110 are flexibly connected.This reality as a result,
The charged access device 100 of example offer is applied, by using flexible design, the tension of the elastic construction 160 can promote to press
Ring 110 and the conducting wire of high-voltage mutual inductor come into full contact with, can be further using the groove 111 and flexible design of grading ring 110
The safety of guarantee test wiring is with effectively, good premise being provided for smooth carry out of experiment.
Please refer to Fig. 1 and Fig. 4, in the present embodiment, the fixed structure 120 can also include for the damping
130 fixed fixed slot 121 of resistance, the damping resistance 130 can include consolidating with what the fixed slot 121 coordinated
Determine part 132.Bolt may be employed in the fixing piece 132, and either screw or other components, the present embodiment do not limit this specifically
System.Hereby it is achieved that being fixedly connected between damping resistance 130 and fixed structure 120.
Still combine refering to Fig. 1 and Fig. 4, optionally, can also be set on the postive stop baffle 150 first perforate (Fig. 1 and
Not shown in Fig. 4), the second perforate 122 is provided on the fixed structure 120, and one end of the elastic construction 160 is fixed on institute
It states in the first perforate, the other end of the elastic construction 160 is fixed in second perforate 122, it is thus achieved that the bullet
Fixation of the property structure 160 between the postive stop baffle 150 and the fixed structure 120.
Optionally, the fixed structure 120 can also include fixed hole 123, and the enclosed construction 140 is away from described equal
One end of pressure ring 110 is fixed through the fixed hole 123 with the fixed structure 120.
Optionally, referring to Fig. 1, the one end of the enclosed construction 140 away from the grading ring 110 can also be set
There are retaining structure 145, the angle between the extending direction of the retaining structure 145 and the extending direction of the fixed structure 120
Less than predetermined acute angle, so as to by 140 screens of enclosed construction to the fixed structure 120, realize the enclosed construction 140
Fixation.
What deserves to be explained is above-mentioned predetermined acute angle can need to make choice setting according to actual design, as a kind of reality
Apply mode, the predetermined acute angle can be the acute angle namely the retaining structure 145 that are infinitely close to 0 degree extending direction and
Angle between the extending direction of the fixed structure 120 is approximately 0, at this time the retaining structure 145 and the fixed structure
120 contact area biggers, the screens fixed effect reached are more preferable.
The embodiment of the present invention also provides a kind of transformer checking system, and the transformer checking system includes high pressure mutual inductance
Device, standard mutual inductor, lifting platform and above-mentioned charged access device 100, the standard mutual inductor are arranged on the lifting platform
On, and as the rising of the lifting platform between the charged access device 100 and the conducting wire of the high-voltage mutual inductor so that produce
Raw pressure, the elastic construction 160 are under pressure to act on generation elastic telescopic and pass through the enclosed construction 140 and press described
Ring 110 applies pressure so that the conducting wire continuous contact of the grading ring 110 and the high-voltage mutual inductor.
In conclusion charged access device provided in an embodiment of the present invention and transformer checking system, charged access device
Including grading ring, fixed structure, damping resistance, enclosed construction, postive stop baffle and elastic construction.One end of damping resistance with
Pressure ring is flexibly connected, and the opposite other end is connected with fixed structure.One end of enclosed construction and the end of grading ring connect, closing
The one end of structure away from grading ring is fixed through fixed structure and with fixed structure.Postive stop baffle is arranged on enclosed construction and damping
Between resistance.Elastic construction is arranged between postive stop baffle and fixed structure.When standard mutual inductor rises so that band is electrically accessed dress
When putting the generation pressure between the conducting wire of high-voltage mutual inductor, the elastic construction effect of being under pressure occurs elastic telescopic and passes through closing
Structure applies pressure to grading ring so that the conducting wire continuous contact of grading ring and high-voltage mutual inductor, so as to ensure charged online school
The safe and effective of experiment is tested, it is reasonable which is electrically accessed apparatus structure, easy to use, easy to operate, can effectively ensure mutually
The smooth development of the charged on-line testing experiment of sensor.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requirement rather than above description limit, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Claims (10)
1. a kind of charged access device, which is characterized in that applied to transformer checking system, the transformer checking system includes
High-voltage mutual inductor and standard mutual inductor, the charged access device include：
For the grading ring of the conductive contact with the high-voltage mutual inductor；
For the fixed structure being fixedly connected with the standard mutual inductor；
Damping resistance, one end of the damping resistance are flexibly connected with the grading ring, the opposite other end and the fixed knot
Structure connects；
Enclosed construction, one end of the enclosed construction are connected with the end of the grading ring, and the enclosed construction is away from described equal
One end of pressure ring is fixed through the fixed structure and with the fixed structure；
Postive stop baffle, the postive stop baffle are arranged between the enclosed construction and the damping resistance；And
Elastic construction, the elastic construction are arranged between the postive stop baffle and the fixed structure, when the standard mutual inductor
Device rise so that between the charged access device and the conducting wire of the high-voltage mutual inductor generate pressure when, the elastic construction by
To pressure act on occur elastic telescopic and by the enclosed construction to the grading ring apply pressure so that the grading ring with
The conducting wire continuous contact of the high-voltage mutual inductor.
2. charged access device according to claim 1, which is characterized in that the grading ring includes：
For the groove of the conductive contact with the high-voltage mutual inductor；
The first end and the second end being connected respectively with the both sides of the groove, the first end and the second end with
The enclosed construction is fixedly connected.
3. charged access device according to claim 2, which is characterized in that the bottom portion of groove is provided with the first wiring
Column, one end of the damping resistance are provided with the second binding post, pass through between first binding post and second binding post
Flexible wire connects, and the damping resistance and the grading ring are flexibly connected.
4. charged access device according to claim 1, which is characterized in that the first perforate is set on the postive stop baffle,
The second perforate is provided on the fixed structure, one end of the elastic construction is fixed in first perforate, the elasticity
The other end of structure is fixed in second perforate.
5. charged access device according to claim 1, which is characterized in that the fixed structure further include for it is described
The fixed fixed slot of damping resistance.
6. charged access device according to claim 5, which is characterized in that the damping resistance include for it is described solid
Determine the fixing piece of slot cooperation.
7. charged access device according to claim 6, which is characterized in that the fixing piece uses bolt or screw.
8. charged access device according to claim 1, which is characterized in that the fixed structure further includes fixed hole,
The one end of the enclosed construction away from the grading ring is fixed through the fixed hole with the fixed structure.
9. charged access device according to claim 1, which is characterized in that the enclosed construction is away from the grading ring
One end is additionally provided with retaining structure, the angle between the extending direction of the retaining structure and the extending direction of the fixed structure
Less than predetermined acute angle.
10. a kind of transformer checking system, which is characterized in that it is mutual that the transformer checking system includes high-voltage mutual inductor, standard
Charged access device in sensor, lifting platform and claim 1-9 described in any one, the standard mutual inductor are arranged on institute
State on lifting platform, and with the lifting platform rising so that the charged access device and the high-voltage mutual inductor conducting wire it
Between generate pressure, the elastic construction effect of being under pressure occurs elastic telescopic and passes through the enclosed construction to the grading ring
Apply pressure so that the conducting wire continuous contact of the grading ring and the high-voltage mutual inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810159326.7A CN108107399B (en) | 2018-02-26 | 2018-02-26 | Electrified access device and transformer verification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810159326.7A CN108107399B (en) | 2018-02-26 | 2018-02-26 | Electrified access device and transformer verification system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108107399A true CN108107399A (en) | 2018-06-01 |
| CN108107399B CN108107399B (en) | 2024-04-02 |
Family
ID=62205636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810159326.7A Active CN108107399B (en) | 2018-02-26 | 2018-02-26 | Electrified access device and transformer verification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108107399B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645643A (en) * | 2012-05-16 | 2012-08-22 | 贵州电力试验研究院 | Online calibration system for electronic voltage transformer |
| CN103336262A (en) * | 2013-05-30 | 2013-10-02 | 中国电力科学研究院 | Online live calibration device for mutual inductor |
| CN204228940U (en) * | 2014-11-07 | 2015-03-25 | 三峡大学 | A kind of voltage transformer (VT) on-line testing system based on SF6 parallel plate capacitor |
| CN106199482A (en) * | 2016-08-31 | 2016-12-07 | 湖南电力电瓷电器有限公司 | A kind of on-line monitoring Intelligent current transformer |
| US20170176567A1 (en) * | 2015-12-21 | 2017-06-22 | General Electric Company | On-line calibration and compensation of a current transformer |
| CN207924122U (en) * | 2018-02-26 | 2018-09-28 | 国网宁夏电力有限公司电力科学研究院 | Charge access device and transformer checking system |
-
2018
- 2018-02-26 CN CN201810159326.7A patent/CN108107399B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645643A (en) * | 2012-05-16 | 2012-08-22 | 贵州电力试验研究院 | Online calibration system for electronic voltage transformer |
| CN103336262A (en) * | 2013-05-30 | 2013-10-02 | 中国电力科学研究院 | Online live calibration device for mutual inductor |
| CN204228940U (en) * | 2014-11-07 | 2015-03-25 | 三峡大学 | A kind of voltage transformer (VT) on-line testing system based on SF6 parallel plate capacitor |
| US20170176567A1 (en) * | 2015-12-21 | 2017-06-22 | General Electric Company | On-line calibration and compensation of a current transformer |
| EP3185030A1 (en) * | 2015-12-21 | 2017-06-28 | General Electric Company | On-line calibration and compensation of a current transformer |
| CN106199482A (en) * | 2016-08-31 | 2016-12-07 | 湖南电力电瓷电器有限公司 | A kind of on-line monitoring Intelligent current transformer |
| CN207924122U (en) * | 2018-02-26 | 2018-09-28 | 国网宁夏电力有限公司电力科学研究院 | Charge access device and transformer checking system |
Non-Patent Citations (4)
| Title |
|---|
| 李伟;樊博;陈勉舟;梅华;张灏;张浩淼;: "220 kV电子式电压互感器带电校验系统研究", 电测与仪表, no. 21, pages 128 - 134 * |
| 李鹤;李前;胡浩亮;熊前柱;李登云;杨春燕;: "变电站用电流互感器在线校准系统的研制", 电测与仪表, no. 12, pages 13 - 16 * |
| 王佳颖;刘忠战;冯利民;王鼎;: "电子式互感器在线校验技术研究", 智能电网, no. 06, pages 74 - 79 * |
| 项琼;王欢;杜;余春雨;: "电力电压互感器在线群校准技术研究", 电测与仪表, no. 03, pages 44 - 49 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108107399B (en) | 2024-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203025309U (en) | Direct current partial discharge test analysis device for analog converter transformer | |
| CN106841767B (en) | A kind of low current signal monitoring system | |
| CN105223536B (en) | A kind of portable electric meter field calibration system | |
| CN103616627A (en) | Semiconductor laser chip testing device | |
| CN207924122U (en) | Charge access device and transformer checking system | |
| CN108008344A (en) | Buckle formula three-phase four-wire electric energy meter on-spot check gauge | |
| CN108107399A (en) | Charged access device and transformer checking system | |
| CN204882853U (en) | Electric energy meter pressure resistance test installation | |
| CN209432939U (en) | A kind of high-power transformer second protection polarity test device | |
| CN104459451B (en) | Transformer current mutual inductor polarity tester and testing method | |
| CN207866943U (en) | Electrical energy measurement checking circuit condition checkout gear | |
| CN207689657U (en) | Buckle type single-phase electric energy meter on-site calibration instrument | |
| CN107167754A (en) | Portable medium angle of loss criteria check device | |
| CN206004998U (en) | Circuit board | |
| CN213023515U (en) | Device for testing polarity of motor winding | |
| CN204964744U (en) | On --spot calibration system of portable electric energy meter | |
| CN208588805U (en) | A kind of low-power proximity test device | |
| CN210982514U (en) | Power line detection equipment casing and power line detection equipment | |
| CN208314174U (en) | A kind of integrated calibration equipment for electrical test instrument | |
| CN102590567B (en) | Voltage sampler | |
| CN207730925U (en) | Electric energy meter field examines voltage sampling apparatus | |
| CN205826729U (en) | Nuclear phase instrument voltage collecting device | |
| CN105225816A (en) | A kind of current transformer with high voltage standard capacitor function | |
| CN109444804A (en) | Electric energy meter calibration termination and system | |
| CN205920213U (en) | Voltage transformer's high -pressure fuse online test device |
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 | ||
| GR01 | Patent grant |