CN207318698U - A kind of Multifunctional three-phase current lifting device - Google Patents
A kind of Multifunctional three-phase current lifting device Download PDFInfo
- Publication number
- CN207318698U CN207318698U CN201721263684.XU CN201721263684U CN207318698U CN 207318698 U CN207318698 U CN 207318698U CN 201721263684 U CN201721263684 U CN 201721263684U CN 207318698 U CN207318698 U CN 207318698U
- Authority
- CN
- China
- Prior art keywords
- phases
- vice
- side winding
- phase
- phase current
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of Multifunctional three-phase current lifting device, including A phase rising current transformers, B phases rising current transformer and C phase rising current transformers, the A phases rising current transformer includes A phase primary side windings, the second vice-side winding of the first vice-side winding of A phases and A phases, first vice-side winding of A phases and the second vice-side winding of A phases are in parallel or series, the B phases rising current transformer includes B phase primary side windings, the second vice-side winding of the first vice-side winding of B phases and B phases, first vice-side winding of B phases and the second vice-side winding of B phases are in parallel or series, the C phases rising current transformer includes C phase primary side windings, the second vice-side winding of the first vice-side winding of C phases and C phases, first vice-side winding of C phases and the second vice-side winding of C phases are in parallel or series.Implement the Multifunctional three-phase current lifting device of the utility model, have the advantages that：Make experiment it is more convenient it is simple, efficiency is higher.
Description
Technical field
Current lifting device field is the utility model is related to, more particularly to a kind of Multifunctional three-phase current lifting device.
Background technology
The principle of current transformer is according to made of electromagnetic induction principle.Current transformer be iron core by closing and around
Group composition.Its first side winding number of turn is seldom, goes here and there in the circuit for the electric current for needing to measure, therefore it often has the complete of circuit
Portion's electric current flows through, and secondary side winding turn ratio is more, is serially connected in measuring instrumentss and protective loop, and current transformer is working
When, its secondary side circuit is closure all the time, therefore measuring instrumentss and the impedance very little of protective loop series coil, electric current are mutual
The close short circuit of the working status of sensor.Transformer substation current transformer needs to carry out once up-flow and polarity verification experiment.Traditional
Test method needs single-phase or single winding to be tested, and experiment is cumbersome and less efficient.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of the prior art, there is provided one kind makes experiment
More convenient Multifunctional three-phase current lifting device simple, efficiency is higher.
Technical solution is used by the utility model solves its technical problem：A kind of Multifunctional three-phase current lifting device is constructed,
Including A phases rising current transformer, B phases rising current transformer and C phase rising current transformers, the A phases rising current transformer include A phases primary side around
The second vice-side winding of group, the first vice-side winding of A phases and A phases, first vice-side winding of A phases and the second vice-side winding of A phases are in parallel
Or series connection, the B phases rising current transformer includes the second vice-side winding of B phases primary side winding, the first vice-side winding of B phases and B phases, described
In parallel or series, the C phases rising current transformer includes C phases primary side winding, C for the first vice-side winding of B phases and the second vice-side winding of B phases
The second vice-side winding of the first vice-side winding of phase and C phases, first vice-side winding of C phases and the second vice-side winding of C phases are in parallel or go here and there
Connection.
In Multifunctional three-phase current lifting device described in the utility model, A phase current mutual inductors, B phase current mutual inductances are further included
Device and C phase current mutual inductors, one end of the A phase current mutual inductors, one end of B phase current mutual inductors and C phase current mutual inductors
One end connection, the other ends of the A phase current mutual inductors one end with first vice-side winding of A phases and A phases second respectively
One end connection of vice-side winding, the other end of first vice-side winding of A phases are connected with the other end of the second vice-side winding of A phases,
The other end of the B phase current mutual inductors respectively with the second vice-side winding of one end and B phases of first vice-side winding of B phases one
End connection, the other end of first vice-side winding of B phases are connected with the other end of the second vice-side winding of B phases, and the C phase currents are mutual
The one end of the other end of sensor respectively with the second vice-side winding of one end and C phases of first vice-side winding of C phases is connected, the C
The other end of the first vice-side winding of phase is connected with the other end of the second vice-side winding of C phases.
In Multifunctional three-phase current lifting device described in the utility model, A phase current mutual inductors, B phase current mutual inductances are further included
Device and C phase current mutual inductors, one end of the A phase current mutual inductors, one end of B phase current mutual inductors and C phase current mutual inductors
One end connection, the other end of the A phase current mutual inductors is connected with one end of second vice-side winding of A phases, the A phases the
The other end of two vice-side windings is connected with one end of first vice-side winding of A phases, the other end of the B phase current mutual inductors with
One end connection of second vice-side winding of B phases, the other end of second vice-side winding of B phases and first secondary of B phases around
One end connection of group, the other end of the C phase current mutual inductors are connected with one end of second vice-side winding of C phases, the C phases
The other end of second vice-side winding is connected with one end of first vice-side winding of C phases.
In Multifunctional three-phase current lifting device described in the utility model, A phases primary side winding, B phases primary side winding and the C phases
The rated voltage of primary side winding is 7.5V, the first vice-side winding of A phases, the second vice-side winding of A phases, the first vice-side winding of B phases, B
The rated voltage of the second vice-side winding of the second vice-side winding of phase, the first vice-side winding of C phases and C phases is 7.5V, and rated current is
500A。
In Multifunctional three-phase current lifting device described in the utility model, when first vice-side winding of A phases and A phases second are secondary
Side winding parallel, first vice-side winding of B phases and the second vice-side winding of B phases are in parallel, first vice-side winding of C phases and C phases
When second vice-side winding is in parallel, the output current per phase is 7.5V, output current 1000A.
In Multifunctional three-phase current lifting device described in the utility model, when first vice-side winding of A phases and A phases second are secondary
Side windings in series, the first vice-side winding of B phases and the second vice-side winding of B the phases series connection, first vice-side winding of C phases and C phases
When second vice-side winding is connected, the output current per phase is 15V, output current 500A.
Implement the Multifunctional three-phase current lifting device of the utility model, have the advantages that：Due to A phases rising current transformer, B
Phase rising current transformer and C phase rising current transformers, the first vice-side winding of A phases and the second vice-side winding of A phases of A phase rising current transformers are simultaneously
Connection or series connection, in parallel or series, C phases flow up change for the first vice-side winding of B phases and the second vice-side winding of B phases of B phase rising current transformers
The first vice-side winding of C phases and the second vice-side winding of C phases of depressor in parallel or series, are thus improved to traditional single-phase up-flow
Three-phase flows up, thus make experiment it is more convenient it is simple, efficiency is higher.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the schematic diagram of the utility model Multifunctional three-phase current lifting device；
Fig. 2 is the schematic diagram of unidirectional rising current transformer；
Fig. 3 is the structure diagram that Multifunctional three-phase current lifting device parallel three phase exports in first embodiment；
Fig. 4 is the structure diagram that Multifunctional three-phase current lifting device three-phase series export in second embodiment.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
The schematic diagram figure of the Multifunctional three-phase current lifting device of the utility model is as shown in Figure 1.In the Multifunctional three-phase current lifting device
Portion is made of three independent rising current transformers, specifically, the Multifunctional three-phase current lifting device includes A phases rising current transformer, B phase liters
Convertor transformer and C phase rising current transformers, Fig. 2 are the schematic diagram of unidirectional rising current transformer, and three are respectively provided with per phase rising current transformer
Winding, i.e. primary side winding, the first vice-side winding and the second vice-side winding.Primary side winding is to input winding, rated voltage 250V；
The rated voltage of first vice-side winding and the second vice-side winding is 7.5V, rated current 500A.
As shown in Figure 1, A phases rising current transformer includes the second secondary of A phases primary side winding, A phases the first vice-side winding A1 and A phases
In parallel or series, it is former that B phases rising current transformer includes B phases by winding A2, A phase the first vice-side winding A1 and the second vice-side winding of A phases A2
Side winding, B phases the first vice-side winding B1 and the second vice-side winding of B phases B2, B phase the first vice-side winding B1 and the second secondary of B phases around
Group B2 in parallel or series, C phases rising current transformer include C phases primary side winding, C phases the first vice-side winding C1 and the second secondary of C phases around
Group C2, C phases the first vice-side winding C1 and the second vice-side winding of C phases C2 are in parallel or series.The utility model is traditional single-phase liter
Stream is improved to three-phase up-flow, thus make experiment it is more convenient it is simple, efficiency is higher.
Fig. 3 is the structure diagram that Multifunctional three-phase current lifting device parallel three phase exports in first embodiment, and in Fig. 3, this is more
Function three-phase current lifting device further includes A phase current mutual inductors, B phase current mutual inductors and C phase current mutual inductors, A phase current mutual inductors
One end B0 of one end A0, B phase current mutual inductor connected with one end C0 of C phase current mutual inductors, A phase current mutual inductors it is another
One end A22 respectively with one end the second vice-side winding of A12 and A phase A2 of the first vice-side winding of A phases A1 is held to be connected, A phases first are secondary
The other end A11 of side winding A1 is connected with the other end A21 of the second vice-side winding of A phases A2, the other end point of B phase current mutual inductors
One end B22 not with one end the second vice-side winding of B12 and B phase B2 of the first vice-side winding of B phases B1 is connected, the first secondary of B phases around
The other end B11 of group B1 is connected with the other end B21 of the second vice-side winding of B phases B2, the other ends of C phase current mutual inductors respectively with
One end C12 of the first vice-side winding of C phases C1 is connected with one end C22 of the second vice-side winding of C phases C, the first vice-side winding of C phases C1's
Other end C11 is connected with the other end C21 of the second vice-side winding of C phases C2.
The rated voltage of A phases primary side winding, B phases primary side winding and C phase primary side windings is 7.5V, the first secondary of A phases around
Group A1, A phase the second vice-side winding A2, B phase the first vice-side winding B1, B phase the second vice-side winding B2, C the first vice-side winding of phase C1
Rated voltage with the second vice-side winding of C phases C2 is 7.5V, rated current 500A.When A phases the first vice-side winding A1 and A phases
Second vice-side winding A2 is in parallel, and B phases the first vice-side winding B1 and the second vice-side winding of B phases B2 are in parallel, the first vice-side winding of C phases C1
During with the second vice-side winding of C phases C2 parallel connections, the output current per phase is 7.5V, output current 1000A, that is to say, that A phase liters
The output current for flowing device is 7.5V, output current 1000A；The output current of B phase current lifting devices is 7.5V, and output current is
1000A；The output current of C phase current lifting devices is 7.5V, output current 1000A.
Fig. 4 is the structure diagram that Multifunctional three-phase current lifting device three-phase series export in second embodiment.In Fig. 4, this is more
Function three-phase current lifting device further includes A phase current mutual inductors, B phase current mutual inductors and C phase current mutual inductors, A phase current mutual inductors
One end of one end A0, B phase current mutual inductor B0 connected with one end of C phase current mutual inductors C0, A phase current mutual inductors it is another
End is connected with one end A22 of the second vice-side winding of A phases A2, other end A21 and A the first secondary of phase of the second vice-side winding of A phases A2
One end A12 connections of winding A1, the other end of B phase current mutual inductors are connected with one end B22 of the second vice-side winding of B phases B2, B phases
The other end B21 of second vice-side winding B2 is connected with one end B12 of the first vice-side winding of B phases B1, C phase current mutual inductors it is another
End is connected with one end C22 of the second vice-side winding of C phases C2, other end C21 and C the first secondary of phase of the second vice-side winding of C phases C2
One end C12 connections of winding C1.
When A phases the first vice-side winding A1 and the second vice-side winding of A phases A2 series connection, B phases the first vice-side winding B1 and B phases second
Vice-side winding B2 connects, and when C phases the first vice-side winding C1 and the second vice-side winding of C phases C2 connect, the output current per phase is
15V, output current 500A, that is to say, that the output current of A phase current lifting devices is 15V, output current 500A；B phase current lifting devices
Output current be 15V, output current 500A；The output current of C phase current lifting devices is 15V, output current 500A.
The Multifunctional three-phase current lifting device can split-phase or close mutually use, split-phase in use, electric current output for 3 × 500A, 3 ×
1000A；Close mutually in use, electric current output is 1500A, 3000A.The Multifunctional three-phase current lifting device can display real-time current value, essence
Spend for 1 grade.
In short, the utility model is flowed up by the way that traditional single-phase up-flow is improved to three-phase, make experiment it is more convenient it is simple,
Efficiency is higher.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of Multifunctional three-phase current lifting device, it is characterised in that including A phases rising current transformer, B phases rising current transformer and C phase liters
Convertor transformer, the A phases rising current transformer include the second vice-side winding of A phases primary side winding, the first vice-side winding of A phases and A phases, institute
State the first vice-side winding of A phases and the second vice-side winding of A phases in parallel or series, the B phases rising current transformer include B phases primary side around
The second vice-side winding of group, the first vice-side winding of B phases and B phases, first vice-side winding of B phases and the second vice-side winding of B phases are in parallel
Or series connection, the C phases rising current transformer includes the second vice-side winding of C phases primary side winding, the first vice-side winding of C phases and C phases, described
The first vice-side winding of C phases and the second vice-side winding of C phases are in parallel or series.
2. Multifunctional three-phase current lifting device according to claim 1, it is characterised in that further include A phase current mutual inductors, B phases
Current transformer and C phase current mutual inductors, one end of the A phase current mutual inductors, one end of B phase current mutual inductors and C phases electricity
One end connection of current transformer, the other ends of the A phase current mutual inductors respectively with one end of first vice-side winding of A phases and
The second vice-side winding of A phases one end connection, the second vice-side winding of the other end and A phases of first vice-side winding of A phases it is another
End connection, the other ends of the B phase current mutual inductors the second secondary of one end and B phases with first vice-side winding of B phases respectively
One end connection of winding, the other end of first vice-side winding of B phases are connected with the other end of the second vice-side winding of B phases, the C
The other end of phase current mutual inductor connects with one end of the second vice-side winding of one end and C phases of first vice-side winding of C phases respectively
Connect, the other end of first vice-side winding of C phases is connected with the other end of the second vice-side winding of C phases.
3. Multifunctional three-phase current lifting device according to claim 1, it is characterised in that further include A phase current mutual inductors, B phases
Current transformer and C phase current mutual inductors, one end of the A phase current mutual inductors, one end of B phase current mutual inductors and C phases electricity
One end connection of current transformer, the other end of the A phase current mutual inductors are connected with one end of second vice-side winding of A phases,
The other end of second vice-side winding of A phases is connected with one end of first vice-side winding of A phases, the B phase current mutual inductors
The other end be connected with one end of second vice-side winding of B phases, the other end and the B phases of second vice-side winding of B phases
One end connection of first vice-side winding, the other end of the C phase current mutual inductors and one end of second vice-side winding of C phases connect
Connect, the other end of second vice-side winding of C phases is connected with one end of first vice-side winding of C phases.
4. the Multifunctional three-phase current lifting device according to claims 1 to 3 any one, it is characterised in that the A phases primary side around
The rated voltage of group, B phases primary side winding and C phase primary side windings is 7.5V, the first vice-side winding of A phases, the second secondary of A phases around
Group, the first vice-side winding of B phases, the rated voltage of the second vice-side winding of the second vice-side winding of B phases, the first vice-side winding of C phases and C phases
It is 7.5V, rated current 500A.
5. Multifunctional three-phase current lifting device according to claim 2, it is characterised in that as first vice-side winding of A phases and A
The second vice-side winding of phase is in parallel, and first vice-side winding of B phases and the second vice-side winding of B phases are in parallel, first secondary of C phases around
When group and the second vice-side winding of C phases in parallel, the output current per phase is 7.5V, output current 1000A.
6. Multifunctional three-phase current lifting device according to claim 3, it is characterised in that as first vice-side winding of A phases and A
The second vice-side winding of phase is connected, first vice-side winding of B phases and the second vice-side winding of B phases series connection, first secondary of C phases around
When group and the series connection of the second vice-side winding of C phases, the output current per phase is 15V, output current 500A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721263684.XU CN207318698U (en) | 2017-09-29 | 2017-09-29 | A kind of Multifunctional three-phase current lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721263684.XU CN207318698U (en) | 2017-09-29 | 2017-09-29 | A kind of Multifunctional three-phase current lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207318698U true CN207318698U (en) | 2018-05-04 |
Family
ID=62428449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721263684.XU Expired - Fee Related CN207318698U (en) | 2017-09-29 | 2017-09-29 | A kind of Multifunctional three-phase current lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207318698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856586A (en) * | 2019-03-08 | 2019-06-07 | 国网江苏省电力有限公司电力科学研究院 | A kind of current lifting device and preparation method thereof and the method for inspection |
-
2017
- 2017-09-29 CN CN201721263684.XU patent/CN207318698U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856586A (en) * | 2019-03-08 | 2019-06-07 | 国网江苏省电力有限公司电力科学研究院 | A kind of current lifting device and preparation method thereof and the method for inspection |
| CN109856586B (en) * | 2019-03-08 | 2021-07-02 | 国网江苏省电力有限公司电力科学研究院 | Current rising device and preparation method and inspection method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105720582B (en) | A kind of particular harmonic eliminates radio energy transmission system and its design method | |
| CN104465053B (en) | A kind of high-capacity three-phase combination type phase-shifting transformer | |
| CN104361982B (en) | A kind of 12 pulse wave self coupling phase-shifting rectifier transformers | |
| CN207318698U (en) | A kind of Multifunctional three-phase current lifting device | |
| CN202231621U (en) | Shunt-wound structure of current transformer | |
| CN102169749A (en) | Low-zero-sequence-resistance slow-harmonic energy-saving transformer | |
| CN106340880B (en) | The power distribution network neutral conductor Zero-pharse harmonic restraining device that core structure changes | |
| CN102355139A (en) | Parallel structure of a converter | |
| CN104376967B (en) | The quick direct-curent saturable reactor of a kind of reaction | |
| CN207321130U (en) | Novel switch power circuit and its manufactured measuring instrument | |
| CN109148130A (en) | It is a kind of based on parity-time symmetry principle iron-free core transformer | |
| CN201229849Y (en) | External integration type Rogowski coil current mutual inductor | |
| CN104485213B (en) | A kind of reduce the direct-curent saturable reactor that IGCT is pressure | |
| CN107404241B (en) | A kind of nonlinear inductance analysis method and three-phase PWM converter control method | |
| CN109148112B (en) | Magnetic control type parallel reactor winding structure | |
| CN208061830U (en) | A kind of grounding transformer with harmonic filtration function | |
| CN209282015U (en) | It is a kind of based on parity-time symmetry principle iron-free core transformer | |
| CN205959759U (en) | Electric current hoisting device and current transformer | |
| CN206349938U (en) | A kind of synchronous rectification switch, chip and circuit | |
| CN103337335B (en) | Zero sequence filtering electricity-saving appliance | |
| CN103065779B (en) | 24 pulse wave double-Y-shaped output winding phase-shifting rectifier transformer of three-phase | |
| CN206271528U (en) | A kind of low-voltage three-phase load autobalance transformer | |
| CN206848848U (en) | Quadrature field regulator | |
| CN207233541U (en) | A kind of 30 pulse wave self coupling phase-shifting rectifier transformers | |
| CN206293268U (en) | The novel capacitor type structure of oil-immersed current transformer first winding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180504 Termination date: 20180929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |