CN106385022A - Energy router - Google Patents
Energy router Download PDFInfo
- Publication number
- CN106385022A CN106385022A CN201610815014.8A CN201610815014A CN106385022A CN 106385022 A CN106385022 A CN 106385022A CN 201610815014 A CN201610815014 A CN 201610815014A CN 106385022 A CN106385022 A CN 106385022A
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- China
- Prior art keywords
- port
- energy router
- winding
- circuit
- switching device
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- 238000004804 winding Methods 0.000 claims abstract description 50
- 230000005611 electricity Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/008—Circuit arrangements for ac mains or ac distribution networks involving trading of energy or energy transmission rights
Abstract
The invention discloses an energy router. The energy router comprises: a multi-winding high-frequency transformer which comprises a plurality of windings and a plurality of port circuits which are connected with the multi-winding high-frequency transformer through the plurality of windings respectively, wherein the plurality of port circuits are corresponding to different windings. According to the invention, a problem that the energy router can not be connected with a plurality of distribution lines in related technologies is solved.
Description
Technical field
The present invention relates to power domain, in particular to a kind of energy router.
Background technology
Energy router is based on one of Power Electronic Technique new converter, is capable of the energy between multiple ports
Amount transmission, transformation of electrical energy and electrical isolation.With the development of energy internet, with regard to the new technology in recent years of intelligent distribution network
Directly receive much concern.In traditional radial or looped network power distribution network mode of connection, the port due to identical electric pressure there is also
Difference, pressure reduction with earth point the reason different it is impossible to realize the seamless switching of circuit.Conventional mesohigh energy router topology
Almost all only there is a high-voltage alternating port, and all of the port electrical isolation between any two cannot be accomplished it is impossible to directly
Communication links a plurality of AC distribution netting twine road.
The problem of a plurality of distribution line can not be connected for the energy router in correlation technique, not yet propose effectively at present
Solution.
Content of the invention
Present invention is primarily targeted at providing a kind of energy router, to solve the energy router in correlation technique not
The problem of a plurality of distribution line can be connected.
To achieve these goals, according to an aspect of the invention, it is provided a kind of energy router.This energy routing
Device includes：Multiple coil high frequency transformer, including multiple windings；Multiple port circuits, pass through respectively one of multiple windings with many around
Group high frequency transformer is connected, and wherein, the corresponding winding of multiple port circuit is different.
Further, multiple port circuits include first port circuit, and first port circuit includes：First port, is used for
Connect the first distribution line；First converter, is connected with first port, for being converted to the alternating current of the first distribution line
Direct current；First regulation circuit, is connected with the first converter, and is connected with Multiple coil high frequency transformer by winding, use
In the galvanic power adjusting the first converter output.
Further, the first converter is Modular multilevel converter.
Further, first port is three-phase high-voltage AC port, and first port includes triple line, and modular multilevel becomes
Parallel operation includes three modules, and three modules are connected one to one with triple line, and three modules include the first module, the first module bag
Include the first brachium pontis and the second brachium pontis.
Further, three modules are in parallel by dc bus.
Further, the first brachium pontis includes any one circuit following：Half-bridge circuit；Full-bridge circuit；Bipolar circuitry.
Further, the first inductance and the second inductance are connected between the first brachium pontis and the second brachium pontis, with triple line
The corresponding phase line connecting of one module is connected between the first inductance and the second inductance.
Further, first adjust circuit for H-bridge circuit.
Further, multiple windings include the first winding, and H-bridge circuit includes：The first switch device and second of series connection is opened
Close device, wherein, first switch device and second switch device turn in interlocking, and the first end of the first winding is connected to first
Between switching device and second switch device；3rd switching device of series connection and the 4th switching device, wherein, the 3rd switching device
With the conducting in interlocking of the 4th switching device, the second end of the first winding be connected to the 3rd switching device and the 4th switching device it
Between；Electric capacity, in parallel with the first switch device connected and second switch device, with the 3rd switching device connected and the 4th switch
Device is in parallel.
Further, Multiple coil high frequency transformer is multiple Multiple coil high frequency transformers.
The present invention passes through Multiple coil high frequency transformer, including multiple windings；Multiple port circuits, pass through multiple windings respectively
One of be connected with Multiple coil high frequency transformer, wherein, the corresponding winding of multiple port circuit is different, solves related skill
Energy router in art can not connect the problem of a plurality of distribution line, so reached can by energy router connect many
The effect of bar distribution line.
Brief description
The accompanying drawing constituting the part of the application is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of energy router according to a first embodiment of the present invention；
Fig. 2 is the schematic diagram of energy router according to a second embodiment of the present invention.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Mutually combine.To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In order that those skilled in the art more fully understand application scheme, below in conjunction with the embodiment of the present application
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present application it is clear that described embodiment is only
The embodiment of the application part, rather than whole embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained under the premise of not making creative work, all should belong to the model of the application protection
Enclose.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that such use
Data can exchange in the appropriate case, so that embodiments herein described herein.Additionally, term " inclusion " and " tool
Have " and they any deformation it is intended that cover non-exclusive comprising.
The embodiment provides a kind of energy router.
Fig. 1 is the schematic diagram of energy router according to a first embodiment of the present invention.As shown in figure 1, this energy router
Including Multiple coil high frequency transformer 10 and multiple port circuit 20.
Multiple coil high frequency transformer 10 includes multiple windings；Multiple port circuits 20 pass through respectively one of multiple windings with many
Winding high frequency transformer 10 is connected, and wherein, the corresponding winding of multiple port circuit 20 is different.
Multiple coil high frequency transformer shown in Fig. 1 10 includes winding 11 and the embodiment of 12 two windings of winding, correspondingly,
Winding 11 is connected with the port circuit 21 in multiple port circuits 20, the port circuit in winding 12 and multiple port circuits 20
22 are connected.Alternatively, multiple port circuits 20 can also include more port circuits, correspondingly, each port circuit with
Different windings on Multiple coil high frequency transformer 10 are connected, Multiple coil high frequency transformer 10 need select winding number with multiple
The port circuit number of port circuit 20 is identical or more high frequency transformer.
The energy router that this embodiment provides, by Multiple coil high frequency transformer, including multiple windings；Multiple ports electricity
Road, is connected with Multiple coil high frequency transformer by one of multiple windings respectively, and wherein, the corresponding winding of multiple port circuit is each
Differ, solve the problems, such as that the energy router in correlation technique can not connect a plurality of distribution line, and then reached permissible
Connect the effect of a plurality of distribution line by energy router.
Multiple port circuits include first port circuit, and first port circuit can be any in multiple port circuits
One circuit.Preferably, first port circuit can include：First port, for connecting the first distribution line；First conversion
Device, is connected with first port, for the alternating current of the first distribution line is converted to direct current；First regulation circuit, with the
One converter is connected, and is connected with Multiple coil high frequency transformer by winding, for adjusting the straight of the first converter output
The power of stream electricity.
Preferably, the first converter in first port circuit is Modular multilevel converter.Modular multilevel becomes
The structure of parallel operation (abbreviation MMC) is modular, and each module shares same dc bus, can reduce the humorous of output current
Ripple.First converter is connected with first port, and first port can be three-phase port, and triple line is drawn in port, correspondingly,
MMC can have three modules, and each module is connected with a phase line, and three-phase module shares a dc bus, every phase module
Brachium pontis and lower brachium pontis all can be divided into, each brachium pontis includes the sub- bridge arm module of n series connection, and every sub- bridge arm module can be half
Bridge circuit；Full-bridge circuit；Any one circuit in bipolar circuitry.Two brachium pontis inductance can be concatenated between two brachium pontis,
Draw the interface of the corresponding phase line of this module in two brachium pontis inductance, phase line corresponding with this module is connected.Can be according to tune
With the size of each submodule capacitor voltage, ripple processed selects whether each submodule of MMC accesses circuit, thus controlling this brachium pontis of ccc to hand over
The voltage waveform of stream output end.
First port is three-phase high-voltage AC port, and first port includes triple line, and Modular multilevel converter includes
Three modules, three modules are connected one to one with triple line, and three modules include the first module, and the first module includes the first bridge
Arm and the second brachium pontis.Preferably, three modules are in parallel by dc bus.Preferably, the first brachium pontis include following any one
Circuit：Half-bridge circuit；Full-bridge circuit；Bipolar circuitry.Preferably, the first inductance and the second inductance are connected on the first brachium pontis and
Between two brachium pontis, in triple line, the phase line of connection corresponding with the first module is connected between the first inductance and the second inductance.
Preferably, first adjust circuit for H-bridge circuit.The energy router that this embodiment provides includes multiple ports electricity
Road, each port circuit can include a H-bridge circuit, each H-bridge circuit can with Multiple coil high frequency transformer on one
Winding is connected, and Multiple coil high frequency transformer may be constructed active bridge more than (referred to as with the H-bridge circuit being connected on its winding
MAB).How active bridge is to expand on the basis of double active bridges (abbreviation DAB), and MAB is by a Multiple coil high frequency transformer
The H bridge module being connected with each winding is constituted, and each H bridge is all in parallel with an electric capacity.Each H bridge is by 4 derailing switches
Part is constituted, and can carry out electrical isolation, by opening to each by Multiple coil high frequency transformer between multiple low-voltage direct ports of MAB
Close the modulation of device, each H bridge can be made to export the different square wave of phase place, thus controlling each winding to flow into the work(of isolating transformer
Rate.
Multiple windings include the first winding it is preferable that H-bridge circuit includes：The first switch device of series connection and second switch
Device, wherein, first switch device and second switch device turn in interlocking, and the first end of the first winding is connected to first and opens
Close between device and second switch device；Series connection the 3rd switching device and the 4th switching device, wherein, the 3rd switching device and
The conducting in interlocking of 4th switching device, the second end of the first winding be connected to the 3rd switching device and the 4th switching device it
Between；Electric capacity, in parallel with the first switch device connected and second switch device, with the 3rd switching device connected and the 4th switch
Device is in parallel.
Preferably, in multiple port circuits, other port circuits can also or phase identical with the structure of first port circuit
Seemingly.
In the energy router that this embodiment provides, Multiple coil high frequency transformer can be multiple, with provide more around
Group quantity.
Fig. 2 is the schematic diagram of energy router according to a second embodiment of the present invention.This embodiment can be used as above-mentioned
The preferred embodiment of one embodiment, as shown in Fig. 2 the energy router that this embodiment provides includes two ports：Port 1 He
Port 2, each port corresponding port circuit structure is similar, can also expand as multiple by the port of energy router, each
Port corresponds to a port circuit.
Taking port 1 as a example, port 1 is three-phase port, draws triple line, every phase line one module of corresponding connection, this mould
Block includes upper and lower two brachium pontis, and upper brachium pontis includes n sub- bridge arm module：SM1～SMn, lower brachium pontis includes n sub- brachium pontis
Module：SMn+1～SM2n, is in series with two brachium pontis inductance Larm between upper and lower bridge arm, drawing between two brachium pontis inductance should
The corresponding phase line connecting of module.The corresponding three module general DC busbars of three phase lines.
Two H-bridge circuit are in parallel with upper and lower bridge arm respectively, and each H-bridge circuit is connected in parallel with a capacitor, and each H-bridge circuit is equal
It is connected with a winding on Multiple coil high frequency transformer.Alternatively, this winding can be in same Multiple coil high frequency transformation
It is also possible on different Multiple coil high frequency transformers on device, as long as making the winding that each H-bridge circuit connects different i.e.
Can.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of energy router is it is characterised in that include：
Multiple coil high frequency transformer, including multiple windings；
Multiple port circuits, for connecting a plurality of distribution line, wherein, the plurality of port circuit respectively pass through the plurality of around
One of group is connected with described Multiple coil high frequency transformer, and the corresponding winding of the plurality of port circuit is different.
2. energy router according to claim 1 is it is characterised in that described a plurality of distribution line includes the first distribution wire
Road, the plurality of port circuit includes first port circuit, and described first port circuit includes：
First port, for connecting described first distribution line；
First converter, is connected with described first port, for the alternating current of described first distribution line is converted to direct current
Electricity；
First regulation circuit, is connected with described first converter, and is connected with described Multiple coil high frequency transformer by winding
Connect, for adjusting the galvanic power of described first converter output.
3. energy router according to claim 2 is it is characterised in that described first converter becomes for modular multilevel
Parallel operation.
4. energy router according to claim 3 is it is characterised in that described first port exchanges end for three-phase high-voltage
Mouthful, described first port includes triple line, and described Modular multilevel converter includes three modules, described three modules and institute
State triple line to connect one to one, described three modules include the first module, described first module includes the first brachium pontis and second
Brachium pontis.
5. energy router according to claim 4 is it is characterised in that described three modules are in parallel by dc bus.
6. energy router according to claim 4 is it is characterised in that described first brachium pontis includes any one electricity following
Road：
Half-bridge circuit；
Full-bridge circuit；
Bipolar circuitry.
7. energy router according to claim 4 is it is characterised in that the first inductance and the second inductance are connected on described
Between one brachium pontis and described second brachium pontis, in described triple line, the phase line of connection corresponding with described first module is connected to described
Between one inductance and described second inductance.
8. energy router according to claim 2 is it is characterised in that described first adjusts circuit for H-bridge circuit.
9. energy router according to claim 8 is it is characterised in that the plurality of winding includes the first winding, described H
Bridge circuit includes：
The first switch device of series connection and second switch device, wherein, described first switch device and described second switch device
The conducting in interlocking, the first end of described first winding be connected to described first switch device and described second switch device it
Between；
3rd switching device of series connection and the 4th switching device, wherein, described 3rd switching device and described 4th switching device
The conducting in interlocking, the second end of described first winding be connected to described 3rd switching device and described 4th switching device it
Between；
Electric capacity, in parallel with the described first switch device connected and second switch device, with described the 3rd switching device connected
In parallel with the 4th switching device.
10. energy router according to claim 1 is it is characterised in that described Multiple coil high frequency transformer is multiple many
Winding high frequency transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610815014.8A CN106385022A (en) | 2016-09-09 | 2016-09-09 | Energy router |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610815014.8A CN106385022A (en) | 2016-09-09 | 2016-09-09 | Energy router |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106385022A true CN106385022A (en) | 2017-02-08 |
Family
ID=57935676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610815014.8A Pending CN106385022A (en) | 2016-09-09 | 2016-09-09 | Energy router |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106385022A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112165509A (en) * | 2020-08-31 | 2021-01-01 | 上海交通大学 | Energy internet network architecture based on virtual energy router and design method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904420A (en) * | 2012-09-29 | 2013-01-30 | 中国科学院电工研究所 | Multi-port current transformer |
| CN104753322A (en) * | 2015-04-07 | 2015-07-01 | 国家电网公司 | Power router main circuit topology and power supply system |
| CN105515353A (en) * | 2016-01-27 | 2016-04-20 | 东南大学 | Four-port power electronic transformer based on hybrid modular multilevel converter (MMC) |
-
2016
- 2016-09-09 CN CN201610815014.8A patent/CN106385022A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904420A (en) * | 2012-09-29 | 2013-01-30 | 中国科学院电工研究所 | Multi-port current transformer |
| CN104753322A (en) * | 2015-04-07 | 2015-07-01 | 国家电网公司 | Power router main circuit topology and power supply system |
| CN105515353A (en) * | 2016-01-27 | 2016-04-20 | 东南大学 | Four-port power electronic transformer based on hybrid modular multilevel converter (MMC) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112165509A (en) * | 2020-08-31 | 2021-01-01 | 上海交通大学 | Energy internet network architecture based on virtual energy router and design method thereof |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170208 |