CN107276058B - A kind of induced field current shift module and its electric current transfer method - Google Patents
A kind of induced field current shift module and its electric current transfer method Download PDFInfo
- Publication number
- CN107276058B CN107276058B CN201710422136.5A CN201710422136A CN107276058B CN 107276058 B CN107276058 B CN 107276058B CN 201710422136 A CN201710422136 A CN 201710422136A CN 107276058 B CN107276058 B CN 107276058B
- Authority
- CN
- China
- Prior art keywords
- inductance
- primary side
- shift module
- induced field
- incoming end
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
Abstract
Disclose a kind of induced field current shift module and its electric current transfer method, the induced field current shift module includes inductance and incoming end, inductance includes primary side inductance (1) and secondary inductance (2), incoming end includes primary side incoming end (3) and secondary side incoming end (4), the connection with external circuit is realized at primary side inductance (1) both ends by primary side incoming end (3), and secondary inductance (2) both ends are realized by secondary side incoming end (4) and connect with external circuit；The primary side inductance (1) and secondary inductance logical (2) cross magnetic field coupling and primary side inductance (1) and secondary inductance lead to (2) mutual electric insulation.
Description
Technical field
The present invention relates to a kind of induced field current shift module and its electric current transfer methods, utilize magnetic more particularly to a kind of
Field incudes the electric device to realize electric current generation or transfer.
Background technique
Dc circuit breaker is the guarantee of DC power-supply system safe operation, because there is no natural zero-crossing point in DC current,
By the way of directly cut-offfing by the effective thinking for by very big restriction, solving the problems, such as this be based on electric current transfer create electricity
It flows through the novel of zero point and cut-offs mode.The mode of electric current transfer can be divided into natural electric current transfer and impressed current shifts two kinds of sides
Formula.Wherein the effect of natural electric current branch mode is influenced by many factors such as component parameters, element cooperation, operating conditions,
Practical implementation has many restrictions.In contrast, the mode of impressed current transfer has higher engineering application value.Direct current system
System short circuit current has the characteristics that amplitude is high, it is fast to rise, it is huge to endanger, and how safe and reliable and rapidly force electric current
Transfer is then the matter of utmost importance that this novel mode of cut-offfing is faced.
Patent document CN201610854069.X discloses a kind of pouring-in electric current transfer circuit of isolation, the document by
Increase a kind of mutual inductor in transfer current circuit, by mutual inductor by electric current forced branch to capacitor, and realize control side with
Isolation between direct current system reduces the voltage class and volume of charhing unit significantly, improves functional reliability.
Patent document CN201610854068.5 discloses a kind of transition magnetic field impulse induction type current transfer circuit, Ke Yiying
For numerous areas such as dc circuit breakers.The document passes through mutual inductor by increasing a kind of mutual inductor in transfer current circuit
Electric current is directly transferred to arrester, eliminates the transfer process of traditional technology, quick action, former and deputy side isolation has wide
General application prospect.
Above-mentioned document has used induced field current transfer method, and still, above patent document merely relates to electric current transfer
Circuit and transfer method, theoretical property is stronger, and lacks to the realization of induced field current shift module itself and inquire into, and becoming limitation should
One of the reason of kind branch mode is more preferably applied.On the other hand, although the mutual inductor huge number occurred on the market at present,
It is that its operating current is smaller, electric current-volume ratio is low, it is difficult to adapt to the current requirements of bulk power system thousands of peaces easily.Needle
To problem above, this patent is intended to provide a kind of induced field current shift module.The induced field current shift module is remaining
While magnetic induction insulation characterisitic, have very high mutual inductance and current margin, and it is small in size, easy to process, plus
Work is at low cost, machining reproducibility is good, can promote the development of impressed current transfer techniques significantly.
The application of this patent does not terminate in the above-mentioned aspect referred to, inventor think this patent in AC and DC breaker,
AC and DC current limiter, pulse transformer, AC and DC power supply etc. have application value in fields.It discloses in the background section
Above- mentioned information be used only for enhancing the understanding to background of the present invention, it is thus possible to comprising do not constitute home in this field it is common
The information of the prior art well known to technical staff.
Summary of the invention
In view of the deficiency of the prior art or defect, it is an object of the invention to propose that a kind of induced field current turns
Shifting formwork block and its electric current transfer method, are designed by reasonable structure, are able to achieve energy in induced field current shift module primary side
It is mutually transmitted with secondary side, and then completes the generation and transfer of electric current.And due to the induced field current shift module primary side and pair
Side is mutually isolated, and strong, weak electricity separation may be implemented, and isolation interferes with each other, and protects low voltage circuit components.Magnetic induction electricity of the invention
Circulating, shifting formwork block structure is simple, component is few, greatly reduces processing cost and difficulty of processing.
The purpose of the present invention is be achieved by the following technical programs.
An aspect of of the present present invention, a kind of induced field current shift module include inductance and incoming end, and inductance includes primary side electricity
Sense and secondary inductance, incoming end include primary side incoming end and secondary side incoming end, and primary side inductance both ends pass through primary side incoming end
Realize the connection with external circuit, secondary inductance both ends pass through secondary side incoming end realization and connect with external circuit；The primary side electricity
Sense leads to mutual electric insulation by magnetic field coupling and primary side inductance and secondary inductance with secondary inductance.
In the induced field current shift module, the inductance flat wound is surround, and circle and adjacent turn-to-turn are along inductance
It radially extends.
In the induced field current shift module, primary side inductance and secondary inductance are axially put along inductance, and primary side
Inductance is parallel to each other with secondary inductance plane, and the internal-and external diameter of primary side inductance is identical as secondary inductance or not identical.
In the induced field current shift module, the inductance and/or incoming end are by copper, iron, aluminium etc. and its alloy
Conductive material constitute.
In the induced field current shift module, the inductance section and access end section are rectangle, rectangular, round
Or it is oval.
In the induced field current shift module, the induced field current shift module includes iron core.
In the induced field current shift module, the iron core is ferromagnetic material.
In the induced field current shift module, the iron core is closed or is not closed.
In the induced field current shift module, the inductance is wrapped on iron core or is placed on iron core.
In the induced field current shift module, the spiral surrounding include spiral circle surround, spiral Q-RING
Around or spiral elliptical ring around.
According to another aspect of the present invention, the induced field current transfer method the following steps are included:
In the first step, the connection with external circuit is realized by primary side incoming end in primary side inductance both ends, and inductance generates
Magnetic induction.
In the second step, by magnetic field coupling, secondary inductance both ends pass through secondary side for the primary side inductance and secondary inductance
Incoming end realizes electric current transfer.
The present invention compares prior art advantage and is: primary side inductance and secondary inductance pass through radial coiling, axially put, and add
The induced current shift module that work comes out is small in size, and the coefficient of coup is high, is easily installed fixation, remains under tens of kilo-ampere electric currents steady
Fixed work.By the control to inductor area of section, adjust induced field current shift module electric current with can be convenient is through-flow
Ability and ability of shoving, and the upper limit is adjusted much higher than general approach.It, can be with by the control to inductance spacing and barrier material
The stress levels of primary coil and secondary coil are adjusted, to adapt to different system voltage grades.
Detailed description of the invention
Referring to attached drawing, above-mentioned and other objects, features and advantages of the present invention, following theory through the embodiment of the present invention
Bright property and non-limiting detailed description will be better understood when, in which:
Fig. 1 is induced field current shift module three dimensional structure diagram according to an embodiment of the invention；
Fig. 2 is induced field current shift module three dimensional structure diagram in accordance with another embodiment of the present invention；
Fig. 3 be according to the present invention one have iron core-closed embodiment two-dimensional structure schematic diagram；
Fig. 4 is that another has iron core-closed embodiment two-dimensional structure schematic diagram according to the present invention；
Fig. 5 be according to the present invention one have non-closed iron core embodiment two-dimensional structure schematic diagram；
Fig. 6 be according to the present invention another have non-closed iron core embodiment two-dimensional structure schematic diagram；
Fig. 7 be according to the present invention another have non-closed iron core embodiment two-dimensional structure schematic diagram；
Fig. 8 is the step schematic diagram of induced field current transfer method according to an embodiment of the invention.
Wherein: 1 is primary side inductance, and 2 be secondary inductance, and 3 be primary side incoming end, and 4 be secondary side incoming end, and 5 be iron core.
All attached drawings are all schematical, it is not necessary to completely the same.
Specific embodiment
Below in conjunction with attached drawing 1-8 and embodiment, the present invention will be further explained.It is described in detail below to be actually only
Illustratively it is not intended to limit application and use.In addition, be not intended to by the above technical field, background, brief overview or
The theory that is any clear or implying of middle presentation described in detail below constrains.Unless clearly having opposite description, otherwise word
Language " comprising " and its different modifications should be understood to imply including the component but be not excluded for any other component.
A kind of induced field current shift module is present embodiments described, as shown in Figure 1 one according to the present invention
Embodiment three dimensional structure diagram comprising inductance and incoming end two parts, inductance include primary side inductance 1 and secondary inductance 2, are connect
Entering end includes primary side incoming end 3 and secondary side incoming end 4.Inductance is connected by corresponding incoming end with external circuit.Inductance can be with
Energy is obtained from external circuit, energy can also be exported to external circuit.Since primary side inductance and secondary inductance can pass through magnetic
It intercouples, when by primary side incoming end 3 to primary side 1 Injection Current of inductance, secondary inductance 2 can generate induced voltage, benefit
With the induced voltage, the forced branch for the external circuit electric current being connected with secondary side incoming end 4 may be implemented.Relative to conventional nature
Branch mode, forced branch mode influenced by factors such as component parameters, element cooperation, operating conditions it is smaller, have it is very high
Engineering application value.Induced field current shift module of the present invention can be applied to AC and DC breaker, cross, straight ductility limit
Device, pulse transformer are flowed, the fields such as AC and DC power supply have electric current transfer velocity fast, and capacity usage ratio is high, good reliability, at
The advantages that this is cheap.
In the preferred embodiment of the induced field current shift module, the inductance flat wound is surround, circle and phase
Adjacent turn-to-turn is radially extended along inductance.
In the preferred embodiment of the induced field current shift module, primary side inductance 1 and secondary inductance 2 are along inductance axis
To putting, and primary side inductance 1 is parallel to each other with 2 plane of secondary inductance, the internal-and external diameter of primary side inductance 1 it is identical as secondary inductance 2 or
Person is not identical.
In the preferred embodiment of the induced field current shift module, the inductance and/or incoming end by copper, iron,
The conductive material of aluminium etc. and its alloy is constituted.
In the preferred embodiment of the induced field current shift module, the inductance section and access end section are square
It is shape, rectangular, round or oval.
In the preferred embodiment of the induced field current shift module, the inductance circle and adjacent turn-to-turn are along inductance diameter
To extension, spiral surrounding is made.Surround around method including but not limited to spiral circle, Q-RING around, elliptical ring around etc. and its
Deformation.As shown in Fig. 2, showing a kind of Q-RING of possible implementation around induced field current shift module.
Advantageous, induced field current shift module according to the present invention can apply iron core binding magnetic field, to reduce magnetic field
Diffusion and the raising coefficient of coup, iron core can be closure, be also possible to non-closed.Fig. 3 and Fig. 4 shows two kinds may be real
The iron core-closed induced field current shift module structural schematic diagram applied.In Fig. 3, iron core 5 is closure, and iron core 5 fetters magnetic
, to reduce magnetic field diffusion and improve the coefficient of coup.In Fig. 4, iron core 5 is equipped with an opening in centre.
Fig. 5-Fig. 7 shows the induced field current shift module structural schematic diagram for the non-closed iron core that three kinds may implement.
It is inc various situations that Fig. 5-7, which shows iron core 5, but the present invention is not limited to this, and not being closed for iron core 5 can be with root
According to needing to be arranged to other modifications.
Another aspect of the present invention, according to the induced field current transfer method the following steps are included:
In first step S1,1 both ends of primary side inductance realize the connection with external circuit, inductance by primary side incoming end 3
Generate magnetic induction.
In second step S2, the primary side inductance 1 crosses magnetic field coupling with secondary inductance logical 2, and 2 both ends of secondary inductance pass through
Secondary side incoming end 4 realizes electric current transfer.
Although embodiment of the present invention is described in conjunction with attached drawing above, the invention is not limited to above-mentioned
Specific embodiments and applications field, above-mentioned specific embodiment are only schematical, directiveness, rather than restricted
's.Those skilled in the art are under the enlightenment of this specification and in the range for not departing from the claims in the present invention and being protected
In the case where, a variety of forms can also be made, these belong to the column of protection of the invention.
Claims (8)
1. a kind of induced field current shift module, the induced field current shift module includes inductance and incoming end, and inductance includes
Primary side inductance (1) and secondary inductance (2), incoming end include primary side incoming end (3) and secondary side incoming end (4), it is characterised in that:
The connection with external circuit, secondary inductance (2) both ends are realized by primary side incoming end (3) in primary side inductance (1) both ends
It is realized by secondary side incoming end (4) and is connect with external circuit；
The primary side inductance (1) and secondary inductance (2) by magnetic field coupling and primary side inductance (1) and secondary inductance (2) mutually it
Between electric insulation, inductance flat wound surround, and circle is radially extended with adjacent turn-to-turn along inductance, spiral surrounding include Q-RING around,
Primary side inductance (1) and secondary inductance (2) are axially put along inductance, and primary side inductance (1) and secondary inductance (2) plane are mutually flat
Row, the internal-and external diameter and secondary inductance (2) of primary side inductance (1) be not identical, and inductance section and access end section are rectangular, the magnetic strength
Answering electric current shift module includes iron core, and the inductance is wrapped on iron core or is placed on iron core.
2. induced field current shift module according to claim 1, which is characterized in that spiral surrounding includes spiral circular rings
Around or spiral elliptical ring around.
3. induced field current shift module according to claim 1, it is characterised in that:
The internal-and external diameter and secondary inductance (2) of the primary side inductance (1) be not identical, replacement are as follows: the internal-and external diameter and pair of primary side inductance (1)
Side inductance (2) is identical.
4. induced field current shift module according to claim 1, it is characterised in that: the inductance and/or incoming end by
The conductive material composition of copper, iron, aluminium and its alloy.
5. induced field current shift module according to claim 1, it is characterised in that: the inductance section and incoming end are cut
Face is rectangle, circle or ellipse.
6. induced field current shift module according to claim 1, it is characterised in that: the iron core (5) is ferromagnetic material.
7. induced field current shift module according to claim 6, it is characterised in that: the iron core (5) closure or not
Closure.
8. a kind of induced field current transfer side of induced field current shift module described in any one of -7 according to claim 1
Method comprising following steps:
In first step (S1), primary side inductance (1) both ends realize the connection with external circuit, electricity by primary side incoming end (3)
Sense generates magnetic induction；
In second step (S2), the primary side inductance (1) and secondary inductance (2) pass through magnetic field coupling, secondary inductance (2) both ends
Electric current transfer is realized by secondary side incoming end (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710422136.5A CN107276058B (en) | 2017-06-05 | 2017-06-05 | A kind of induced field current shift module and its electric current transfer method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710422136.5A CN107276058B (en) | 2017-06-05 | 2017-06-05 | A kind of induced field current shift module and its electric current transfer method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107276058A CN107276058A (en) | 2017-10-20 |
| CN107276058B true CN107276058B (en) | 2019-12-03 |
Family
ID=60065918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710422136.5A Active CN107276058B (en) | 2017-06-05 | 2017-06-05 | A kind of induced field current shift module and its electric current transfer method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107276058B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123770B (en) * | 2021-11-03 | 2023-08-08 | 西安交通大学 | Superimposed magnetic coupling current transfer module and current switching-on and switching-off method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4887061A (en) * | 1988-01-18 | 1989-12-12 | Tdk Corporation | Transformer for a flyback type converter |
| CN202042342U (en) * | 2011-04-18 | 2011-11-16 | 张继科 | High-frequency boosting transformer and progressive high-frequency boosting rectifier transformer |
| CN103282978A (en) * | 2011-01-03 | 2013-09-04 | 霍加纳斯股份有限公司 | Inductor core |
| CN106300308A (en) * | 2016-09-27 | 2017-01-04 | 西安交通大学 | A kind of transition magnetic field impulse induction type current carry circuit and using method thereof |
-
2017
- 2017-06-05 CN CN201710422136.5A patent/CN107276058B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4887061A (en) * | 1988-01-18 | 1989-12-12 | Tdk Corporation | Transformer for a flyback type converter |
| CN103282978A (en) * | 2011-01-03 | 2013-09-04 | 霍加纳斯股份有限公司 | Inductor core |
| CN202042342U (en) * | 2011-04-18 | 2011-11-16 | 张继科 | High-frequency boosting transformer and progressive high-frequency boosting rectifier transformer |
| CN106300308A (en) * | 2016-09-27 | 2017-01-04 | 西安交通大学 | A kind of transition magnetic field impulse induction type current carry circuit and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107276058A (en) | 2017-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2139088B1 (en) | Core-saturated superconductive fault current limiter and control method of the fault current limiter | |
| CN202077249U (en) | Electromagnetic interference preventing and protecting device | |
| TWI614976B (en) | Power conversion apparatus | |
| CN103701380A (en) | Wide-range adaptive CT (Current Transformer) energy harvesting method using regulated-flux and enhanced-permeability iron core | |
| CN102169749B (en) | Low-zero-sequence-resistance slow-harmonic energy-saving transformer | |
| CN107276058B (en) | A kind of induced field current shift module and its electric current transfer method | |
| KR101004823B1 (en) | Transformer improved leakage inductance | |
| CN102568794B (en) | Multi-module inverter output split-winding transformer | |
| CN104361982B (en) | A kind of 12 pulse wave self coupling phase-shifting rectifier transformers | |
| CN107546985B (en) | Demagnetizing method for switching power supply transformer | |
| CN208478093U (en) | The transformer of winding construction | |
| CN109148130A (en) | It is a kind of based on parity-time symmetry principle iron-free core transformer | |
| EP2647117B1 (en) | Resonant power supply with an integrated inductor | |
| CN109755006A (en) | A kind of parallel connection based on PT symmetry principle-parallel connection type iron-free core transformer | |
| CN201229849Y (en) | External integration type Rogowski coil current mutual inductor | |
| CN201072700Y (en) | Pulse transformer capable of generating wide impulse | |
| WO2022121226A1 (en) | Transformer | |
| CN104485213B (en) | A kind of reduce the direct-curent saturable reactor that IGCT is pressure | |
| CN207318698U (en) | A kind of Multifunctional three-phase current lifting device | |
| CN105991044B (en) | Non-contact power supply secondary side rectifying circuit and method | |
| CN209282015U (en) | It is a kind of based on parity-time symmetry principle iron-free core transformer | |
| CN209766158U (en) | Transformer neutral point direct current magnetic biasing suppression inductance resistor | |
| CN206293268U (en) | The novel capacitor type structure of oil-immersed current transformer first winding | |
| Abapour | A non-control transformer inrush current limiter | |
| CN202549595U (en) | Multi-module inversion output split transformer |
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 | ||
| GR01 | Patent grant |