CN107968467A - A kind of adaptive inductive charging collection of convergent current type - Google Patents
A kind of adaptive inductive charging collection of convergent current type Download PDFInfo
- Publication number
- CN107968467A CN107968467A CN201810014504.7A CN201810014504A CN107968467A CN 107968467 A CN107968467 A CN 107968467A CN 201810014504 A CN201810014504 A CN 201810014504A CN 107968467 A CN107968467 A CN 107968467A
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- China
- Prior art keywords
- bus
- unit module
- circuit line
- converter modules
- igbt
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- 230000003044 adaptive effect Effects 0.000 title claims abstract description 20
- 230000001939 inductive effect Effects 0.000 title claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims abstract description 6
- 238000003306 harvesting Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- H02J7/0027—
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H02J7/045—
Abstract
The invention belongs to power supply and distribution technical field, discloses a kind of adaptive inductive charging collection of convergent current type, including：IGBT formula AC/DC converter modules, are connected to 380V power grids, and the other end is connected to 800V dc bus by circuit line；IGBT formula DC/DC converter modules, 800V dc bus is connected to by circuit line, and the other end is connected to power distributing unit module by circuit line, has fixed voltage for what the 800V voltages from dc bus were changed into needs；Monitoring unit module and power distributing unit module.The present invention collects the green energy resources such as net electricity and photovoltaic, wind-powered electricity generation in a manner of dc bus confluence, and the different capacity grade and charge mode demand of multiple spot terminal client are adapted to automatically, it disclosure satisfy that the use demand of different situations, complete the charging system of whole charging service flow, shorten the time of charging, make charging modes more reasonable, improve energy utilization rate.
Description
Technical field
The invention belongs to power supply and distribution technical field, more particularly to a kind of adaptive inductive charging collection of convergent current type.
Background technology
With the popularization of new-energy automobile, automobile charging problems increasingly become problem urgently to be resolved hurrily.Existing charging
Mode, level of integrated system is relatively low, of high cost, it is difficult to meet to fill and (put) while multiple terminals, or powerful fast charge (putting)；
And existing product is mostly that charge mode is single, it is difficult to the charging of peak efficiency is carried out according to actual use situation, is lost time
With the energy.
All the time, charging pile operation just has the problems such as input is big, construction cost is high, profit difficulty, particularly in new energy
Charging in terms of bus is especially prominent.Under this background, high-power rapid nitriding can greatly reduce the charging interval, together
When can greatly reduce the construction of charging pile, become the inexorable trend of development.Realize high-power quick charge, it is also necessary to from electricity
The design aspects such as pressure, electric current, temperature, compatibility, rate of current improve electrically-charging equipment.
In conclusion problem existing in the prior art is：
Most fast charge Technology application is MOSFET commutation techniques at this stage, and it is more to realize that high-power charging then needs
A MOSFET wired in parallel is realized, when MOSFET wired in parallel power reaches certain critical line, is also easy to produce synergistic effect, by
This will appear from：At light load, the low situation of efficiency can amplify；And when overloaded, hydraulic performance decline can be aggravated, and harmonic performance is impacted big
In contrast, IGBT single modules power maximum can reach 560KW, and power distributed in demand can be realized by being not required to module superposition.
The content of the invention
In view of the problems of the existing technology, the present invention provides a kind of adaptive inductive charging collection of convergent current type.IGBT of the present invention
Light load effect it is more preferable, be integrated with source filtering, the high 3-4% of whole efficiency, the shortcomings that compensate for MOSFET modules just.Separately
Outside, the pressure-resistant higher of IGBT components, capacity bigger, longer life expectancy, on-state loss are lower.
The present invention is achieved in that
The adaptive inductive charging collection of convergent current type possesses match diversified, adaptive height, voltage range is wide, power consumption is low, extension is good etc.
Advantage, can also set up more efficient DC energy source microgrid group's system, realize the automatic distribution of power, greatly reduce charging pile
Construction cost and operation cost.
A kind of adaptive inductive charging collection of convergent current type includes：
1#IGBT formula AC/DC converter modules, are connected to 380V power grids, and the other end is connected to 800V direct currents by circuit line
Busbar, for network voltage to be raised；
2#IGBT formula AC/DC converter modules, are connected to 380V power grids, and the other end is connected to 800V direct currents by circuit line
Busbar, for network voltage to be raised；
1#IGBT formula DC/DC converter modules, are connected to 800V dc bus, the other end passes through circuit line by circuit line
Power distributing unit module is connected to, has fixed voltage for what the 800V voltages from dc bus were changed into needs.
2#IGBT formula DC/DC converter modules, are connected to 800V dc bus, the other end passes through circuit line by circuit line
Power distributing unit module is connected to, has fixed voltage for what the 800V voltages from dc bus were changed into needs.
3#IGBT formula DC/DC converter modules, are connected to 800V dc bus, the other end passes through circuit line by circuit line
Power distributing unit module is connected to, has fixed voltage for what the 800V voltages from dc bus were changed into needs.
4#IGBT formula DC/DC converter modules, are connected to 800V dc bus, the other end passes through circuit line by circuit line
Power distributing unit module is connected to, has fixed voltage for what the 800V voltages from dc bus were changed into needs.
Monitoring unit module, be connected to 1#IGBT formula AC/DC converter modules, 2#IGBT formula AC/DC converter modules and
Power distributing unit module, combination, energy distribution and the whole charging of the IGBT formula DC/DC converters for dispatching charging collection
The power limit of collection, monitors each functional unit.
Power distributing unit module, is connected to each IGBT formulas AC/DC converter modules and monitoring unit module, the other end
Charging pile is connected, for performing the scheduling of the energy of monitoring unit.
Further, the allocation model of the power distributing unit module is as follows：
The maximum charge independence circuit of charging collection is 16 tunnels, is 40KW per circuit peak power output at this moment.
LEP type output powers are combined as 40-320KW (rush-harvesting and rush-planting is in parallel), by the modular incremental of 40KW；LTO type output powers
It is combined as 40-640KW (rush-harvesting and rush-planting or four rifles are in parallel), by the modular incremental of 40KW.
Operating mode is divided into " this stake is preferential ", " calling preferential ", can be set with the mode such as timing, manual.Wherein this stake
Mode of priority is that this stake has preferential right, draws back called power when the own power of this distribution is called by his stake；
Calling mode of priority is under fast charge pattern, in the range of schedulable, power workable for calling at any time.His stake pumpback work(is not allowed
Rate.
The present invention's actively has the technical effect that：
There are four big performance advantages for the adaptive inductive charging collection of IGBT convergent current types of the present invention：First, possess high-power fast charge
Technology gene；Second, the performance such as efficiency, service life, reliability, comprehensive cost is more superior；Third, integrated level is high, which integrates
Automatic identification battery types, automatic governing power terminal function, integrated embedded data control system etc.；Fourth, autgmentability
Good, which employs common DC bus topological structure, can simply set up more efficient DC energy source microgrid group's system.
Collect the green energy resources such as net electricity and photovoltaic, wind-powered electricity generation in a manner of dc bus confluence, and adapt to multiple spot terminal visitor automatically
The different capacity grade and charge mode demand at family, disclosure satisfy that the use demand of different situations, complete whole charging service stream
The charging system of journey, shortens the time of charging, makes charging modes more reasonable, improves energy utilization rate.
Brief description of the drawings
Fig. 1 is the adaptive inductive charging structure set schematic diagram of convergent current type provided in an embodiment of the present invention；
Fig. 2 is LEP types charging pile, charging gun and capacity distribution schematic diagram provided in an embodiment of the present invention；
Fig. 3 is LTO types charging pile, charging gun and capacity distribution schematic diagram provided in an embodiment of the present invention.
In figure：1st, 1#IGBT formulas AC/DC converter modules；2nd, 2#IGBT formulas AC/DC converter modules；3rd, 1#IGBT formulas
DC/DC converter modules；4th, 2#IGBT formulas DC/DC converter modules；5th, 3#IGBT formulas DC/DC converter modules；6、4#IGBT
Formula DC/DC converter modules；7th, monitoring unit module；8th, power distributing unit module.
Embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Describe in detail as follows.
The structure of the present invention is explained in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, the adaptive inductive charging collection of convergent current type provided in an embodiment of the present invention includes：1#IGBT formulas AC/DC is converted
Device module 1,2#IGBT formula AC/DC converter modules 2,1#IGBT formula DC/DC converter modules 3,2#IGBT formula DC/DC converters
Module 4,3#IGBT formula DC/DC converter modules 5,4#IGBT formula DC/DC converter modules 6, monitoring unit module 7, power point
With unit module 8.
1#IGBT formula AC/DC converter modules 1, are connected to 380V power grids, and it is straight that the other end by circuit line is connected to 800V
Busbar is flowed, for network voltage to be raised；
2#IGBT formula AC/DC converter modules 2, are connected to 380V power grids, and it is straight that the other end by circuit line is connected to 800V
Busbar is flowed, for network voltage to be raised；
1#IGBT formula DC/DC converter modules 3, are connected to 800V dc bus, the other end passes through circuit by circuit line
Line is connected to power distributing unit module 8, has fixed voltage for what the 800V voltages from dc bus were changed into needs.
2#IGBT formula DC/DC converter modules 4, are connected to 800V dc bus, the other end passes through circuit by circuit line
Line is connected to power distributing unit module 8, has fixed voltage for what the 800V voltages from dc bus were changed into needs.
3#IGBT formula DC/DC converter modules 5, are connected to 800V dc bus, the other end passes through circuit by circuit line
Line is connected to power distributing unit module 8, has fixed voltage for what the 800V voltages from dc bus were changed into needs.
4#IGBT formula DC/DC converter modules 6, are connected to 800V dc bus, the other end passes through circuit by circuit line
Line is connected to power distributing unit module 8, has fixed voltage for what the 800V voltages from dc bus were changed into needs.
Monitoring unit module 7, is connected to 1#IGBT formula AC/DC converter modules 1,2#IGBT formula AC/DC converter modules 2
With power distributing unit module 8, for dispatching the combination for the IGBT formula DC/DC converters collected that charge, energy distributes and whole
Charge the power limit collected, monitors each functional unit.
Power distributing unit module 8, is connected to each IGBT formulas AC/DC converter modules and monitoring unit module 7, another
End connection charging pile, for performing the scheduling of the energy of monitoring unit.
The allocation model of power distributing unit module 8 provided by the invention is as follows：
The maximum charge independence circuit of charging collection is 16 tunnels, is 40KW per circuit peak power output at this moment.
LEP type output powers are combined as 40-320KW (rush-harvesting and rush-planting is in parallel), by the modular incremental of 40KW；LTO type output powers
It is combined as 40-640KW (rush-harvesting and rush-planting or four rifles are in parallel), by the modular incremental of 40KW.
Operating mode is divided into " this stake is preferential ", " calling preferential ", can be set with the mode such as timing, manual.Wherein this stake
Mode of priority is that this stake has preferential right, draws back called power when the own power of this distribution is called by his stake；
Calling mode of priority is under fast charge pattern, in the range of schedulable, power workable for calling at any time.His stake pumpback work(is not allowed
Rate.
Charging pile is divided into LEP types and LTO types.
LEP types are suitable for ferric phosphate lithium cell, ternary lithium battery, highest rate of charge 2C；8 charging piles are configured with, its
In I and V charging pile be " high-power rifle ", rush-harvesting and rush-planting is in parallel, peak power output 320KW, using adapt to maximum charge power as
The charge requirement of 320KW, remaining six charging pile are " two rifles ", and basic configuration is shown in Fig. 2.
LTO types：Suitable for lithium titanate battery, highest rate of charge 4C；8 charging piles are configured with, wherein I charging pile is
" high-power rifle ", to adapt to charge requirement of the maximum charge power as 640KW, remaining seven charging pile is " two rifles ", base
Fig. 3 is shown in this configuration.
The above is only the preferred embodiments of the present invention, and not makees limitation in any form to the present invention,
Every technical spirit according to the present invention belongs to any simple modification made for any of the above embodiments, equivalent variations and modification
In the range of technical solution of the present invention.
Claims (5)
1. a kind of adaptive inductive charging collection of convergent current type, it is characterised in that the adaptive inductive charging collection of convergent current type includes：
1#IGBT formula AC/DC converter modules, are connected to 380V power grids, and the other end is connected to 800V direct currents mother by circuit line
Line, for network voltage to be raised；
2#IGBT formula AC/DC converter modules, are connected to 380V power grids, and the other end is connected to 800V direct currents mother by circuit line
Line, for network voltage to be raised；
1#IGBT formula DC/DC converter modules, are connected to 800V dc bus, the other end is connected by circuit line by circuit line
To power distributing unit module, there is fixed voltage for what the 800V voltages from dc bus were changed into needs；
2#IGBT formula DC/DC converter modules, are connected to 800V dc bus, the other end is connected by circuit line by circuit line
To power distributing unit module, there is fixed voltage for what the 800V voltages from dc bus were changed into needs；
3#IGBT formula DC/DC converter modules, are connected to 800V dc bus, the other end is connected by circuit line by circuit line
To power distributing unit module, there is fixed voltage for what the 800V voltages from dc bus were changed into needs.
2. the adaptive inductive charging collection of convergent current type as claimed in claim 1, it is characterised in that the adaptive inductive charging collection of convergent current type into
One step includes：
4#IGBT formula DC/DC converter modules, are connected to 800V dc bus, the other end is connected by circuit line by circuit line
To power distributing unit module, there is fixed voltage for what the 800V voltages from dc bus were changed into needs.
3. the adaptive inductive charging collection of convergent current type as claimed in claim 1, it is characterised in that the adaptive inductive charging collection of convergent current type into
One step includes：Monitoring unit module, be connected to 1#IGBT formula AC/DC converter modules, 2#IGBT formula AC/DC converter modules and
Power distributing unit module, combination, energy distribution and the whole charging of the IGBT formula DC/DC converters for dispatching charging collection
The power limit of collection, monitors each functional unit.
4. the adaptive inductive charging collection of convergent current type as claimed in claim 1, it is characterised in that the adaptive inductive charging collection of convergent current type into
One step includes：Power distributing unit module, is connected to each IGBT formulas AC/DC converter modules and monitoring unit module, another
End connection charging pile, for performing the scheduling of the energy of monitoring unit.
5. the adaptive inductive charging collection of convergent current type as claimed in claim 1, it is characterised in that the power distributing unit module is filled
The maximum charge independence circuit of electricity collection is 16 tunnels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810014504.7A CN107968467A (en) | 2018-01-08 | 2018-01-08 | A kind of adaptive inductive charging collection of convergent current type |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810014504.7A CN107968467A (en) | 2018-01-08 | 2018-01-08 | A kind of adaptive inductive charging collection of convergent current type |
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| Publication Number | Publication Date |
|---|---|
| CN107968467A true CN107968467A (en) | 2018-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810014504.7A Pending CN107968467A (en) | 2018-01-08 | 2018-01-08 | A kind of adaptive inductive charging collection of convergent current type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994755A (en) * | 2019-12-31 | 2020-04-10 | 国网智慧能源交通技术创新中心(苏州)有限公司 | IGBT type 300KW charging power collection distribution system |
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- 2018-01-08 CN CN201810014504.7A patent/CN107968467A/en active Pending
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| EP2815913A1 (en) * | 2013-06-18 | 2014-12-24 | Eutecne S.p.A. | Recharging system for electric vehicles |
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| CN110994755A (en) * | 2019-12-31 | 2020-04-10 | 国网智慧能源交通技术创新中心(苏州)有限公司 | IGBT type 300KW charging power collection distribution system |
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Application publication date: 20180427 |