CN106208166A - A kind of distributed micro-grid system utilized based on battery echelon - Google Patents
A kind of distributed micro-grid system utilized based on battery echelon Download PDFInfo
- Publication number
- CN106208166A CN106208166A CN201610618232.2A CN201610618232A CN106208166A CN 106208166 A CN106208166 A CN 106208166A CN 201610618232 A CN201610618232 A CN 201610618232A CN 106208166 A CN106208166 A CN 106208166A
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- CN
- China
- Prior art keywords
- power
- micro
- photovoltaic generation
- battery
- photovoltaic
- 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
- 238000004146 energy storage Methods 0.000 claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 11
- 239000000178 monomer Substances 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
- H02J5/00—Circuit arrangements for transfer of electric power between ac networks and dc 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
-
- H02J3/383—
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- 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
- 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)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of distributed micro-grid system utilized based on battery echelon, including externally fed AC bus, several user's photovoltaic generation power units and energy input output monitoring unit；Each described user's photovoltaic generation power unit includes solar cell panel assembly, unidirectional current allocation manager, micro-capacitance sensor energy storage battery and photovoltaic inversion device；Described photovoltaic inversion device connects AC electric equipment, described micro-capacitance sensor energy storage battery includes that echelon utilizes power accumulator group and BMS controller, described echelon utilizes power accumulator group to constitute for power lithium battery for electric vehicle monomer, and battery capacity is rated capacity less than the 40% of described power lithium battery for electric vehicle monomer.The present invention can improve the stable output of solar energy power generating, it is simple to public power system or other AC bus micro-grid connection adjacent, and improves photovoltaic generation and the quality of power supply of grid-connected power supply.
Description
Technical field
The present invention relates to a kind of dynamic lithium battery echelon utilize and photovoltaic microgrid system technical field, particularly a kind of base
In the distributed micro-grid system that battery echelon utilizes.
Background technology
China for the definition of micro-capacitance sensor is: micro-capacitance sensor is that power supply is main in a distributed manner, utilizes energy storage and control device to enter
Row regulation in real time, it is achieved the supply network of network internal balance of electric power and ener, can be incorporated into the power networks also can off-network independent operating.Micro-electricity
Net utilizes primary energy, uses micro power, is commonly provided with energy storage device, uses power electronic equipment to carry out energy adjustment, is
A kind of mini-system that electric energy is provided according to user's request.Power supply within micro-capacitance sensor is mainly responsible for energy by power electronic devices
Conversion, and provide necessary control；Micro-capacitance sensor shows as single controlled cell relative to main electrical network, and can meet use simultaneously
Family is the reliable and demand of secure context to power supply.
Solar energy is the regenerative resource that the mankind are inexhaustible, have fully clean, be perfectly safe, the widest
General, a series of outstanding advantages such as resource is sufficient, economical and practical, long-life and non-maintaining property.The storage of solar energy is mainly by one
New forms of energy are converted into the forms such as chemical energy, potential energy, kinetic energy, electromagnetic energy by fixed technology, make the energy after conversion have spatially
The feature of upper transferable or quality controllable system of transferable or time, can discharge in a suitable manner in reasonable time, place
Out；The most most commonly seen energy storage mode is battery energy storage, but battery energy storage is relatively costly.
According to national Specification, the capacity of electrokinetic cell drops to the 80% of rated capacity and means that the end in its life-span
Knot, if directly eliminating the serious waste that will result in resource by battery；Therefore should not continue on existing vehicle when electrokinetic cell
During use, it can be carried out echelon and utilize its recycling in battery energy storage system, carry out the peak clipping in power system
Fill out paddy, thus improve the stable output of the regenerative resources such as solar energy, and improve the quality of power supply of photovoltaic generation, be possible not only to joint
About resource can also reduce cost, can take certain economic benefit.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of distributed micro-capacitance sensor utilized based on battery echelon
System, utilizes technology and photovoltaic microgrid system technology to combine by dynamic lithium battery echelon, improves solar energy power generating
Stable output, and improve the quality of power supply of photovoltaic generation, reduce the application cost of battery energy storage simultaneously.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of distributed micro-grid system utilized based on battery echelon, including one for providing the externally fed of externally fed to hand over
Stream bus, several user's photovoltaic generation power units, each described user's photovoltaic generation power unit and described externally fed
Energy input output monitoring unit it is provided with between AC bus；Each described user's photovoltaic generation power unit includes for connecing
The solar cell panel assembly of photovoltaic generation, straight for exported by described solar cell panel assembly is carried out by sunlight
Stream electricity is allocated the unidirectional current allocation manager of management, for the DC conversion exported by described solar cell panel assembly
The micro-capacitance sensor energy storage battery that stores is carried out and for being turned by the unidirectional current that described solar cell panel assembly exports for chemical energy
It is changed to the photovoltaic inversion device of alternating current；Described photovoltaic inversion device connects AC electric equipment, and described micro-capacitance sensor stores
Can include that echelon utilizes power accumulator group and BMS controller by battery, described echelon utilizes power accumulator group to use for electric motor car
Dynamic lithium battery monomer is constituted, and battery capacity is rated capacity less than the 40% of described power lithium battery for electric vehicle monomer.
As the further improvement of technique scheme, each described user's photovoltaic generation power unit also includes for converging
Collecting the photovoltaic generation access case of described solar cell panel assembly generated energy, described photovoltaic generation access case connects described solar energy
Battery panel components, described photovoltaic generation access case, described micro-capacitance sensor energy storage battery and described photovoltaic inversion device are all connected with institute
State unidirectional current allocation manager, described photovoltaic generation access case, described micro-capacitance sensor energy storage battery and described photovoltaic inversion device
Between parallel with one another.
As the further improvement of technique scheme, it is inverse that described micro-capacitance sensor energy storage battery is also connected with being provided with external rectification
Becoming device, described external rectification adverser connects described externally fed by unnecessary electric energy outlet line and external electric energy incoming line
Between AC bus, and described unnecessary electric energy outlet line and described external electric energy incoming line parallel with one another；Described unnecessary electricity
Can be used for superfluous photovoltaic power generation quantity output to described externally fed AC bus, described external electric energy input line by outlet line
Road is for being delivered to described microgrid energy managing device by the electric energy of described externally fed AC bus；Described energy input is defeated
Going out monitoring unit and include photovoltaic generation power table and externally fed power meter, it is described unnecessary that described photovoltaic generation power table is arranged at
On electric energy outlet line and be used for monitoring output, described externally fed power meter is arranged at described external electric energy incoming line
Go up and be used for monitoring input power.
Compared with prior art, the invention has the beneficial effects as follows:
A kind of distributed micro-grid system utilized based on battery echelon provided by the present invention, utilizes dynamic lithium battery echelon
Technology and photovoltaic microgrid system technology combine, it is possible to increase the stable output of solar energy power generating, and improve photovoltaic and send out
The quality of power supply of electricity, can also reduce the application cost of battery energy storage simultaneously；Additionally the present invention be easy to same public power system or
Other AC bus micro-grid connection adjacent, and the quality of power supply of grid-connected power supply is more stable.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of a kind of distributed micro-grid system utilized based on battery echelon of the present invention；
Fig. 2 is the structural representation of user's photovoltaic generation power unit of the present invention.
Detailed description of the invention
It is the structural representation of one specific embodiment of the present invention referring to figs. 1 through Fig. 2, Fig. 1 to Fig. 2.
As shown in Figure 1 to Figure 2, a kind of distributed micro-grid system utilized based on battery echelon, including one for providing
The externally fed AC bus 10 of externally fed, several user's photovoltaic generation power units 30, each described user's photovoltaic is sent out
It is provided with energy input output monitoring unit 20 between electricity power unit 30 and described externally fed AC bus 10；Each described
User's photovoltaic generation power unit 30 include carrying out for accepting sunlight photovoltaic generation solar cell panel assembly 31,
For the unidirectional current that described solar cell panel assembly 31 exports being allocated the unidirectional current allocation manager 33 of management, being used for
By the DC conversion that described solar cell panel assembly 31 exports be the chemical energy micro-capacitance sensor energy storage battery that carries out storing and
For the unidirectional current that described solar cell panel assembly 31 exports being converted to the photovoltaic inversion device 37 of alternating current；Described light
Volt power-generation inversion device 37 connects has AC electric equipment 38, described micro-capacitance sensor energy storage battery to include that echelon utilizes power accumulator group
34 and BMS controllers 36, described echelon utilizes power accumulator group 34 to constitute for power lithium battery for electric vehicle monomer, and described
The battery capacity of power lithium battery for electric vehicle monomer is less than the 40% of rated capacity.Further, each described user's photovoltaic
Generating power unit 30 also includes the photovoltaic generation access case 32 for collecting described solar cell panel assembly 31 generated energy, institute
State photovoltaic generation access case 32 and connect described solar cell panel assembly 31, described photovoltaic generation access case 32, described micro-capacitance sensor
Energy storage battery and described photovoltaic inversion device 37 are all connected with described unidirectional current allocation manager 33, described photovoltaic generation access case
32, parallel with one another between described micro-capacitance sensor energy storage battery and described photovoltaic inversion device 37.
The most with improvement, described micro-capacitance sensor energy storage battery is also connected with being provided with external rectification adverser 35, described external
Rectification adverser 35 connects described externally fed by unnecessary electric energy outlet line 42 with external electric energy incoming line 41 and exchanges always
Between line 10, and described unnecessary electric energy outlet line 42 and described external electric energy incoming line 41 parallel with one another；Described unnecessary electricity
Can be used for superfluous photovoltaic power generation quantity output to described externally fed AC bus 10 by outlet line 42, described external electric energy is defeated
Enter circuit 41 for the electric energy of described externally fed AC bus 10 is delivered to described microgrid energy managing device；Described energy
Amount input and output monitoring unit 20 includes photovoltaic generation power table 22 and externally fed power meter 21, described photovoltaic generation power table
22 are arranged on described unnecessary electric energy outlet line 42 and for monitoring output, and described externally fed power meter 21 is arranged at
On described external electric energy incoming line 41 and be used for monitoring input power.
When described solar cell panel assembly 31 works, photovoltaic power generation quantity is delivered to by described photovoltaic generation access case 32
Described unidirectional current allocation manager 33, described unidirectional current allocation manager 33 preferentially will be straight by described photovoltaic inversion device 37
Stream electricity is converted to alternating current, and powers to described AC electric equipment 38, when total electric power of described AC electric equipment 38
More than photovoltaic generation provide alternating current time, described externally fed circuit 10 is powered supplementing, when described AC electric equipment
During the alternating current that total electric power of 38 provides less than photovoltaic generation, described unidirectional current allocation manager 33 starts described echelon
Power accumulator group 34 is utilized to be charged, when described echelon utilizes power accumulator group 34 to charge full, unnecessary exchange
Electricity is delivered to described externally fed circuit 10, and to carry out dump energy grid-connected, described photovoltaic generation power table 22 and described externally fed
Power meter 21 can monitor delivery and the power consumption of resident in real time；Described micro-capacitance sensor energy storage battery by arrange described outside
Connect rectification adverser 35 and connect described externally fed AC bus 10, such that it is able to improve the quality of outside grid-connected electric energy and stablize
Property.
Preferably enforcement to the present invention is illustrated above, and certainly, the present invention can also use and above-mentioned enforcement
The form that mode is different, those of ordinary skill in the art are in the conversion of the equivalent made on the premise of spirit of the present invention
Or change accordingly, all should belong in protection scope of the present invention.
Claims (3)
1. the distributed micro-grid system utilized based on battery echelon, it is characterised in that: include one for providing outside confession
The externally fed AC bus (10) of electricity, several users's photovoltaic generation power unit (30), each described user's photovoltaic generation
Energy input output monitoring unit (20) it is provided with between power unit (30) and described externally fed AC bus (10)；Each
Described user's photovoltaic generation power unit (30) includes the solar panel carrying out photovoltaic generation for accepting sunlight
Assembly (31), the unidirectional current distribution being used for being allocated the unidirectional current that described solar cell panel assembly (31) exports managing are managed
Manage device (33), be used for the DC conversion that described solar cell panel assembly (31) exports being micro-electricity that chemical energy carries out storing
Net energy storage battery and sending out for the unidirectional current that described solar cell panel assembly (31) exports being converted to the photovoltaic of alternating current
Electricity inverter (37)；Described photovoltaic inversion device (37) connects AC electric equipment (38), described micro-capacitance sensor energy storage battery
Utilizing power accumulator group (34) and BMS controller (36) including echelon, described echelon utilizes power accumulator group (34) for electricity
Motor-car dynamic lithium battery monomer is constituted, and the battery capacity of described power lithium battery for electric vehicle monomer is rated capacity
Less than 40%.
A kind of distributed micro-grid system utilized based on battery echelon the most according to claim 1, it is characterised in that: every
Individual described user's photovoltaic generation power unit (30) also includes for collecting described solar cell panel assembly (31) generated energy
Photovoltaic generation access case (32), described photovoltaic generation access case (32) connects described solar cell panel assembly (31), described light
Volt generating access case (32), described micro-capacitance sensor energy storage battery and described photovoltaic inversion device (37) are all connected with described unidirectional current and divide
Join manager (33), described photovoltaic generation access case (32), described micro-capacitance sensor energy storage battery and described photovoltaic inversion device
(37) between parallel with one another.
A kind of distributed micro-grid system utilized based on battery echelon the most according to claim 2, it is characterised in that: institute
Stating micro-capacitance sensor energy storage battery and be also connected with being provided with external rectification adverser (35), described external rectification adverser (35) is by unnecessary
Electric energy outlet line (42) and external electric energy incoming line (41) connect described externally fed AC bus (10), and described unnecessary
Between electric energy outlet line (42) and described external electric energy incoming line (41) parallel with one another；Described unnecessary electric energy outlet line
(42) for by superfluous photovoltaic power generation quantity output extremely described externally fed AC bus (10), described external electric energy incoming line
(41) for the electric energy of described externally fed AC bus (10) is delivered to described microgrid energy managing device；Described energy
Input and output monitoring unit (20) includes photovoltaic generation power table (22) and externally fed power meter (21), described photovoltaic generation merit
Rate table (22) is arranged at described unnecessary electric energy outlet line (42) and above and is used for monitoring output, described externally fed power meter
(21) it is arranged at described external electric energy incoming line (41) above and to be used for monitoring input power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610618232.2A CN106208166A (en) | 2016-08-01 | 2016-08-01 | A kind of distributed micro-grid system utilized based on battery echelon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610618232.2A CN106208166A (en) | 2016-08-01 | 2016-08-01 | A kind of distributed micro-grid system utilized based on battery echelon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106208166A true CN106208166A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610618232.2A Pending CN106208166A (en) | 2016-08-01 | 2016-08-01 | A kind of distributed micro-grid system utilized based on battery echelon |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150357970A1 (en) * | 2012-12-26 | 2015-12-10 | Jiangsu Zhenfa Holding Group Co., Ltd. | Distributed solar power generation and hot water supplying system |
| CN105471368A (en) * | 2014-08-12 | 2016-04-06 | 陈晓军 | Solar assembly roof system |
-
2016
- 2016-08-01 CN CN201610618232.2A patent/CN106208166A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150357970A1 (en) * | 2012-12-26 | 2015-12-10 | Jiangsu Zhenfa Holding Group Co., Ltd. | Distributed solar power generation and hot water supplying system |
| CN105471368A (en) * | 2014-08-12 | 2016-04-06 | 陈晓军 | Solar assembly roof system |
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Application publication date: 20161207 |