CN107482669A - For electric automobile and the self-adaption regulation system of distributed photovoltaic power generation system - Google Patents
For electric automobile and the self-adaption regulation system of distributed photovoltaic power generation system Download PDFInfo
- Publication number
- CN107482669A CN107482669A CN201710528356.6A CN201710528356A CN107482669A CN 107482669 A CN107482669 A CN 107482669A CN 201710528356 A CN201710528356 A CN 201710528356A CN 107482669 A CN107482669 A CN 107482669A
- Authority
- CN
- China
- Prior art keywords
- power generation
- distributed photovoltaic
- electric automobile
- generation system
- photovoltaic power
- 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.)
- Pending
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 45
- 230000033228 biological regulation Effects 0.000 title claims abstract description 14
- 238000004146 energy storage Methods 0.000 claims abstract description 20
- 230000001105 regulatory effect Effects 0.000 claims abstract description 9
- 238000007600 charging Methods 0.000 abstract description 4
- 230000001172 regenerating effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 230000001629 suppression Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000007812 deficiency Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- H02J3/383—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
-
- 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
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
-
- 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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of for electric automobile and the self-adaption regulation system of distributed photovoltaic power generation system, it is related to network load intelligent control field, including distributed photovoltaic power generation system, electric automobile and power distribution network, the distributed photovoltaic power generation system, electric automobile are connected with the power distribution network, the regulating system also includes converter plant, and the distributed photovoltaic power generation system is connected by converter plant with electric automobile and power distribution network.The present invention can assist the intermittent problems for solving regenerative resource, reduce energy-storage system cost by the adjustable characteristic of charging electric vehicle；And voltage order one converting means is only needed between distributed photovoltaic power generation system and dc bus, construction cost economy, power transmission efficiency is higher.Stationary problem, loop current suppression problem between various regenerative resources can be solved preferably, and direct current connection is substantially disturbed without harmonic wave factor, therefore has the more preferable quality of power supply.
Description
Technical field
The present invention relates to network load intelligent control field, and in particular to one kind is used for electric automobile and distributed photovoltaic is sent out
The self-adaption regulation system of electric system.
Background technology
With the fast development of power network, the application of distributed photovoltaic power generation system and/or electric automobile is more and more extensive, by
Larger load fluctuation, distributed photovoltaic power generation are respectively provided with the power supply of distributed photovoltaic power generation system and/or electric automobile
When system and/or the single-phase a large amount of access low-voltage network of electric car power supply, power distribution network can be caused serious three-phase occur uneven
The problem of weighing apparatus, and then the serious quality of power supply for reducing distribution line.
According to symmetrical component method, when three-phase current or asymmetrical voltage, there will be positive and negative sequence in its electric current, voltage
And zero-sequence component, threephase load off-center operation can produce harmful effect to power distribution network and electrical equipment：A, transformer is increased
Loss, reduce the output of transformer；B, three-phase output voltage is uneven, and electrical equipment is caused damage；C, distribution is increased
The loss of circuit, cause substantial amounts of energy loss.
The content of the invention
For defect present in prior art, it is an object of the invention to provide one kind to be used for electric automobile and distribution
The self-adaption regulation system of photovoltaic generating system, distributed photovoltaic power generation system and/or electric car power supply can be avoided single-phase
During a large amount of access low-voltage networks, power distribution network is caused the problem of three-phase imbalance occur, it is possible to increase the electric energy matter of distribution line
Amount.
To achieve the above objectives, the present invention adopts the technical scheme that：
It is a kind of to be sent out for electric automobile and the self-adaption regulation system of distributed photovoltaic power generation system, including distributed photovoltaic
Electric system, electric automobile and power distribution network, the distributed photovoltaic power generation system, electric automobile are connected with the power distribution network, institute
Stating regulating system also includes converter plant, and the distributed photovoltaic power generation system passes through converter plant and electric automobile and power distribution network
It is connected.
On the basis of above-mentioned technical proposal, the regulating system also includes energy storage device, the distributed photovoltaic power generation
System, electric automobile, power distribution network are connected by converter plant with energy storage device.
On the basis of above-mentioned technical proposal, the regulating system also includes dc bus, one end of the dc bus
It is connected with converter plant, the other end is connected with the power distribution network, for transmitting the distributed photovoltaic power generation system, electronic
Electric energy between automobile, power distribution network and energy storage device.
On the basis of above-mentioned technical proposal, the converter plant includes some dc choppers, the dc chopper
For the voltage in Stable distritation formula photovoltaic generating system, electric automobile.
Compared with prior art, the advantage of the invention is that：
(1) present invention is used for electric automobile and the self-adaption regulation system of distributed photovoltaic power generation system, including electronic vapour
Car, distributed photovoltaic power generation system and power distribution network, by the adjustable characteristic of charging electric vehicle, it can assist solve renewable energy
The intermittent problems in source, reduce energy-storage system cost；And only need one-level electric between distributed photovoltaic power generation system and dc bus
Buckling changing device, construction cost economy, power transmission efficiency are higher.Stationary problem, circulation suppression between various regenerative resources
Problem processed can be solved preferably, and direct current connection is substantially disturbed without harmonic wave factor, therefore has the more preferable quality of power supply.
(2) present invention is used for electric automobile and the self-adaption regulation system of distributed photovoltaic power generation system, can be by just
Near distributed photovoltaic power generation system is powered to electric automobile, solves the grid-connected caused problems of distributed energy,
A large amount of electric automobile insertion grid chargings are avoided simultaneously, and huge pressure is caused to electric network composition and operation.
(3) present invention is used for electric automobile and the self-adaption regulation system of distributed photovoltaic power generation system, distributed photovoltaic
Electricity generation system stores electric energy by energy storage device, and power distribution network can be charged jointly, during alleviating power distribution network peak of power consumption
The deficiency of electric energy, can be with running status that is more flexible, more easily adjusting power network.
Brief description of the drawings
Fig. 1 is to be used for electric automobile and the self-adaption regulation system of distributed photovoltaic power generation system in the embodiment of the present invention
Structural representation.
In figure：1- distributed photovoltaic power generation systems, 2- electric automobiles, 3- power distribution networks, 4- converter plants, 5- energy storage devices,
6- dc bus, 7- dc choppers.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Shown in Figure 1, the embodiment of the present invention provides a kind of for oneself of electric automobile and distributed photovoltaic power generation system
Regulating system, including distributed photovoltaic power generation system 1, electric automobile 2, energy storage device 5, dc bus 6 and power distribution network 3 are adapted to,
Distributed photovoltaic power generation system 1, electric automobile 2 are connected with power distribution network 3, distributed photovoltaic power generation system 1, electric automobile 2,
Power distribution network 3 is connected by converter plant 4 with energy storage device 5, and one end of dc bus 6 is connected with converter plant 4, the other end
It is connected with power distribution network 3, for transmitting between distributed photovoltaic power generation system 1, electric automobile 2, power distribution network 3 and energy storage device 5
Electric energy, wherein, power distribution network 3 carries out electric energy by single-phase/three-phase ac bus and dc bus 6 and interacted, and dc bus 6 passes through
AC-DC power module carries out electric energy with single-phase/three-phase ac bus and interacted.
Regulating system also includes converter plant 4, distributed photovoltaic power generation system 1 by converter plant 4 and electric automobile 2 and
Power distribution network 3 is connected, and converter plant 4 includes some dc choppers 7, and dc chopper 7 is used for Stable distritation formula photovoltaic generation
Voltage in system 1, electric automobile 2, in the present embodiment, pass through two between distributed photovoltaic power generation system 1 and electric automobile 2
The dc chopper 7 of mutual cooperation is connected, also by the direct current of two mutual cooperations between energy storage device 5 and electric automobile 2
Chopper 7 is connected, and two dc choppers 7 to cooperate carry out electric energy interaction by dc bus 6.
In the use of the present invention, distributed photovoltaic power generation system 1, the quantity of electric automobile 2 according to be actually needed set, can
Think multiple.
In actual use, the electric energy in distributed photovoltaic power generation system 1 preferentially passes through dc chopper 7 and dc bus
6 transmit to the corresponding progress electric current conversion of dc chopper 7, and the electric current that conversion extremely needs with electric automobile 2 is given after being adapted
Electric automobile 2 charges.
When distributed photovoltaic power generation system 1 is completed to charge to all electric automobiles 2 and electric energy also has remaining, pass through direct current
Chopper 7 and dc bus 6 are transmitted to corresponding dc chopper 7 and carry out electric current conversion, and energy storage device 5 is charged,
Energy storage device 5 can store electric energy.
When distributed photovoltaic power generation system 1 is completed to charge to energy storage device 5 and electric energy also has remaining, pass through DC chopped-wave
Device 7 to electric current stablize passing through after conversion and transmitted by dc bus 6 to power distribution network 3.
When the electric energy of distributed photovoltaic power generation system 1 is less, can not give the charging of electric automobile 2, passed through by energy storage device 5
Dc chopper 7 and dc bus 6 are transmitted to corresponding dc chopper 7 and carry out electric current conversion, and electric automobile 2 is charged.
When the electric energy in energy storage device 5 is less, transmitted by power distribution network 3 by dc chopper 7 and dc bus 6 to phase
Corresponding dc chopper 7 carries out electric current conversion, and electric automobile 2 is charged.
During electric energy deficiency in peak of power consumption, power distribution network 3, the electric energy, the electric automobile 2 itself that are stored in energy storage device 5
Electric energy can be used as fed power supplies, by being delivered to after converter plant 4 in power distribution network 3, to power distribution network power.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (4)
- It is 1. a kind of for electric automobile and the self-adaption regulation system of distributed photovoltaic power generation system, including distributed photovoltaic power generation System (1), electric automobile (2) and power distribution network (3), the distributed photovoltaic power generation system (1), electric automobile (2) are matched somebody with somebody with described Power network (3) is connected, it is characterised in that：The regulating system also includes converter plant (4), the distributed photovoltaic power generation system (1) it is connected by converter plant (4) with electric automobile (2) and power distribution network (3).
- 2. a kind of as claimed in claim 1 be used for electric automobile and the self-adaption regulation system of distributed photovoltaic power generation system, It is characterized in that：The regulating system also includes energy storage device (5), the distributed photovoltaic power generation system (1), electric automobile (2), power distribution network (3) is connected by converter plant (4) with energy storage device (5).
- 3. a kind of as claimed in claim 2 be used for electric automobile and the self-adaption regulation system of distributed photovoltaic power generation system, It is characterized in that：The regulating system also includes dc bus (6), one end and converter plant (4) phase of the dc bus (6) Connection, the other end is connected with the power distribution network (3), for transmitting the distributed photovoltaic power generation system (1), electric automobile (2), the electric energy between power distribution network (3) and energy storage device (5).
- 4. a kind of as claimed in claim 2 be used for electric automobile and the self-adaption regulation system of distributed photovoltaic power generation system, It is characterized in that：The converter plant (4) includes some dc choppers (7), and the dc chopper (7) is used for Stable distritation Voltage in formula photovoltaic generating system (1), electric automobile (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710528356.6A CN107482669A (en) | 2017-07-01 | 2017-07-01 | For electric automobile and the self-adaption regulation system of distributed photovoltaic power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710528356.6A CN107482669A (en) | 2017-07-01 | 2017-07-01 | For electric automobile and the self-adaption regulation system of distributed photovoltaic power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107482669A true CN107482669A (en) | 2017-12-15 |
Family
ID=60595268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710528356.6A Pending CN107482669A (en) | 2017-07-01 | 2017-07-01 | For electric automobile and the self-adaption regulation system of distributed photovoltaic power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107482669A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321864A (en) * | 2018-01-12 | 2018-07-24 | 许继电源有限公司 | Multiterminal Complementary input structure exports the charging system and control method of energy compatibility distribution |
| CN110783936A (en) * | 2019-11-01 | 2020-02-11 | 国网河北省电力有限公司沧州供电分公司 | Distribution network three-phase load unbalance management method and system based on distributed photovoltaic |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201956701U (en) * | 2011-03-12 | 2011-08-31 | 云南电力试验研究院(集团)有限公司 | Single house type AC (Alternating Current)/DC (Direct Current) mixing microgrid |
| CN104967112A (en) * | 2015-06-26 | 2015-10-07 | 上海电力学院 | Direct current micro-grid coordination control method of light storage electric car charging station |
| JP2016116253A (en) * | 2014-12-11 | 2016-06-23 | 積水化学工業株式会社 | Charging/discharging system |
| CN106427640A (en) * | 2016-10-28 | 2017-02-22 | 武汉大学 | Distributed energy source and electric vehicle wireless power supply integrated system based on magnetic resonance coupling technology |
-
2017
- 2017-07-01 CN CN201710528356.6A patent/CN107482669A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201956701U (en) * | 2011-03-12 | 2011-08-31 | 云南电力试验研究院(集团)有限公司 | Single house type AC (Alternating Current)/DC (Direct Current) mixing microgrid |
| JP2016116253A (en) * | 2014-12-11 | 2016-06-23 | 積水化学工業株式会社 | Charging/discharging system |
| CN104967112A (en) * | 2015-06-26 | 2015-10-07 | 上海电力学院 | Direct current micro-grid coordination control method of light storage electric car charging station |
| CN106427640A (en) * | 2016-10-28 | 2017-02-22 | 武汉大学 | Distributed energy source and electric vehicle wireless power supply integrated system based on magnetic resonance coupling technology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321864A (en) * | 2018-01-12 | 2018-07-24 | 许继电源有限公司 | Multiterminal Complementary input structure exports the charging system and control method of energy compatibility distribution |
| CN110783936A (en) * | 2019-11-01 | 2020-02-11 | 国网河北省电力有限公司沧州供电分公司 | Distribution network three-phase load unbalance management method and system based on distributed photovoltaic |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171215 |
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| RJ01 | Rejection of invention patent application after publication |