CN207652043U - A kind of intelligent micro-grid control system based on vanadium cell - Google Patents
A kind of intelligent micro-grid control system based on vanadium cell Download PDFInfo
- Publication number
- CN207652043U CN207652043U CN201721510332.XU CN201721510332U CN207652043U CN 207652043 U CN207652043 U CN 207652043U CN 201721510332 U CN201721510332 U CN 201721510332U CN 207652043 U CN207652043 U CN 207652043U
- Authority
- CN
- China
- Prior art keywords
- grid
- power
- vanadium cell
- photovoltaic
- control system
- 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.)
- Expired - Fee Related
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The purpose of this utility model is to provide a kind of intelligent micro-grid control system based on vanadium cell, including centralized control unit and power supply system, the information interface of the control unit respectively with Energy Management System, power supply system connects the microgrid control system of composition power grid smart allocation power supply with net-connected controller, intelligent flexible allocation is carried out by micro-grid system, micro-capacitance sensor includes that micro battery all uses clean energy resource, it is connected with load using converters, keep its control flexible, to power supply, on-load switch is controlled to adjust respective power output to adjust feeder line trend, energy waste can either be effectively reduced, emergency service situation can be dealt with again, keep normal power supply.
Description
Technical field
The utility model is related to the field in terms of network system, especially to power grid intelligent power supply micro-grid system in terms of
Improvement more particularly to a kind of intelligent micro-grid control system based on vanadium cell.
Background technology
Efficiently extensive energy-storage battery is the core of New Energy Industry revolution, intrinsic random of the new energy such as photovoltaic, wind-powered electricity generation
Property, fluctuation, intermittence, peak regulation be difficult, grid-connected difficult characteristic, determine that its large-scale development must have advanced energy storage technology and make
Support, but conveniently become particularly important in island with power distribution net, isolated island environment is relatively complicated, simultaneously because natural gas
The composition of time, electricity generation system has biogas and a variety of common power generations of photovoltaic, but general methane power generating system is not grid-connected, only gives
Local load power supply, therefore according to previous Power network construction requirement, be difficult to realize in island with power under different situations can only
Power supply, largely causes the waste of the energy, while being difficult to unexpected circut breaking of meeting an urgent need, and influences the normal power supply of power grid.
Therefore it provides a kind of intelligent micro-grid control system based on vanadium cell, to can be by island-grid system
It is improved, smart micro-grid system is added in island-grid, micro-capacitance sensor includes that micro battery all uses Technics of Power Electronic Conversion
Device, steam turbine are connected with load, keep its control flexible, have inside micro-capacitance sensor and integrate micro battery, two feeder lines to same busbar
On, according to the different demands situation of power load, can islet operation completely microgrid structure, each micro battery exit is equipped with
Breaker and the controller for having power and voltage adjusting, under the control of Energy Management System and centralized control unit, to electricity
Source, the control of on-load switch and the respective power output of adjustment can either effectively reduce energy waste, again to adjust feeder line trend
The problem of emergency service situation can be dealt with, normal power supply is kept, just become those skilled in the art's urgent need to resolve.
Utility model content
The purpose of this utility model is to provide a kind of intelligent micro-grid control system based on vanadium cell, to can by
Island-grid system is improved, and smart micro-grid system is added in island-grid, and micro-capacitance sensor includes that micro battery all uses
Converters, steam turbine are connected with load, keep its control flexible, have inside micro-capacitance sensor and integrate micro battery, two feedbacks
On line to same busbar, according to the different demands situation of power load, can islet operation completely microgrid structure, each micro battery
Exit is equipped with breaker and has the controller that power and voltage are adjusted, in Energy Management System and centralized control unit
Under control, control and the respective power output of adjustment to power supply, on-load switch can either be effectively reduced with adjusting feeder line trend
Energy waste, and emergency service situation can be dealt with, keep normal power supply.
To solve technical problem described in background technology, the utility model uses following technical scheme：
A kind of intelligent micro-grid control system based on vanadium cell, including centralized control unit and power supply system, the control
The information interface of unit processed connect composition power grid smart allocation with Energy Management System, power supply system and net-connected controller and supplies respectively
The microgrid control system of electricity.
Preferably, the power supply system includes marsh gas power generation, photovoltaic generation and vanadium energy storage system, marsh gas power generation,
Photovoltaic generation and the connector of vanadium energy storage system are connect by AC/AC, DC/DC and PCS with power grid pipeline respectively, AC/
The information mouth of AC, DC/DC and PCS are connect with the information mouth of centralized control unit, power grid pipeline respectively with important load and
Can cutting load connection, load governor, the information mouth of load governor and center can be equipped between cutting load and power grid pipeline
The information mouth of control unit connects, and is connect with centralized control unit by using information mouth, can be effectively by each specific mould
Real-time condition on block is timely fed back on centralized control unit, to improve the efficiency of feedback and intelligent control.
Preferably, the power grid pipeline is connect by transformer with 10kV voltages.
Preferably, the vanadium energy storage system is by the PV plates of photovoltaic arrays, photovoltaic energy storage inverter, vanadium cell, electricity
Pond manages system SBMS and Energy Management System EMS compositions, the communication interface of Energy Management System EMS by connection respectively with
Switch board, charger, photovoltaic energy storage inverter are connected with the communication interface of battery management system SBMS, and photovoltaic arrays PV plates pass through
Header box is connect with photovoltaic energy storage inverter, and photovoltaic energy storage inverter passes through switch QF4 and QF1 and power grid and DC power supply respectively
Line connects, and power grid is connect by QF6 with AC power distribution cabinet/AC distribution panel, and charger is connected by QF5 and QF3 and power grid and direct current supply line respectively
It connects, vanadium cell is connected by bidirectional lines between battery management system SBMS and vanadium cell, passed through by QF2 and direct current supply line
Vanadium energy storage system will usually can be timely transferred in vanadium energy storage system with the energy not fallen, and luminous energy is converted into electricity
It can store, and discharge electric energy, photovoltaic arrays luminous energy is converted to electric energy, and header box merges into the low current that PV plates generate greatly
Electric current, photovoltaic energy storage inverter are charged to the electric energy that photovoltaic panel is converted in vanadium cell and store.
Preferably, the DC voltage of the direct current supply line is 48V.
Preferably, the power of the photovoltaic arrays is 10kW, and quantity=10/0.25=40 of the PV plates of photovoltaic arrays
Block.
Preferably, the setting angle of the PV plates of the photovoltaic arrays is 34.58 degree, the installation to the PV plates of photovoltaic arrays
Angle is controlled, and the illumination effective area of PV plates, and then the effective utilization rate for improving PV plates can be increased.
Preferably, the information of the information mouth and centralized control unit of described AC/AC, DC/DC, PCS and load governor
It is communicated and is connected by Rs485 between mouthful, used Rs485 communications can increase the anti-interference ability of information transmission, improve letter
The efficiency transmitted is ceased, hindering and damaging during information is transmitted is reduced and is lost.
The utility model has the beneficial effects that：
Micro-capacitance sensor includes that micro battery all uses clean energy resource, is connected with load using converters, makes it
Control is flexible, is controlled power supply, on-load switch to adjust respective power output to adjust feeder line trend, can either be effective
Energy waste is reduced, and emergency service situation can be dealt with, keeps normal power supply.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only described in the utility model
Some embodiments, for those of ordinary skill in the art, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of construction module of the intelligent micro-grid control system specific implementation mode based on vanadium cell of the utility model
Figure；
Fig. 2 is a kind of power grid system of the intelligent micro-grid control system specific implementation mode based on vanadium cell of the utility model
System.
Specific implementation mode
In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with attached drawing pair
The utility model is further detailed.
Please refer to Fig.1,2, a kind of intelligent micro-grid control system based on vanadium cell, including centralized control unit and power supply be
The information interface of system, the control unit connect composition electricity with Energy Management System, power supply system and net-connected controller respectively
The microgrid control system of net smart allocation power supply.
Further, the power supply system includes marsh gas power generation, photovoltaic generation and vanadium energy storage system, biogas hair
The connector of electricity, photovoltaic generation and vanadium energy storage system is connect by AC/AC, DC/DC and PCS with power grid pipeline respectively,
The information mouth of AC/AC, DC/DC and PCS are connect with the information mouth of centralized control unit, power grid pipeline respectively with important load
With can cutting load connect, load governor can be equipped between cutting load and power grid pipeline, the information mouth of load governor is in
The information mouth of heart control unit connects, and is connect with centralized control unit by using information mouth, can effectively will be each specific
Real-time condition in module is timely fed back on centralized control unit, to improve the efficiency of feedback and intelligent control.
Further, the power grid pipeline is connect by transformer with 10KV voltages.
Further, the vanadium energy storage system by the PV plates of photovoltaic arrays, photovoltaic energy storage inverter, vanadium cell,
Battery management system SBMS and Energy Management System EMS compositions, the communication interface of Energy Management System EMS are distinguished by connection
It is connect with the communication interface of switch board, charger, photovoltaic energy storage inverter and battery management system SBMS, photovoltaic arrays PV plates are logical
It crosses header box to connect with photovoltaic energy storage inverter, photovoltaic energy storage inverter passes through switch QF4 and QF1 and power grid and direct current respectively
Source line connection, power grid are connect by QF6 with AC power distribution cabinet/AC distribution panel, and charger passes through QF5 and QF3 and power grid and direct current supply line respectively
Connection, vanadium cell are connected between battery management system SBMS and vanadium cell by bidirectional lines by QF2 and direct current supply line, are led to
Crossing vanadium energy storage system will usually can be timely transferred in vanadium energy storage system with the energy not fallen, and luminous energy is converted into
Power storage is got up, and discharges electric energy, and photovoltaic arrays luminous energy is converted to electric energy, and header box merges into the low current that PV plates generate
High current, photovoltaic energy storage inverter are charged to the electric energy that photovoltaic panel is converted in vanadium cell and store.
Further, the DC voltage of the direct current supply line is 48V.
Further, the power of the photovoltaic arrays is 10KW, and quantity=10/0.25=of the PV plates of photovoltaic arrays
40 pieces.
Further, the setting angle of the PV plates of the photovoltaic arrays is 34.58 degree, to the peace of the PV plates of photovoltaic arrays
Dress angle is controlled, and the illumination effective area of PV plates, and then the effective utilization rate for improving PV plates can be increased.
Further, the letter of the information mouth and centralized control unit of described AC/AC, DC/DC, PCS and load governor
It is communicated and is connected by Rs485 between breath mouth, used Rs485 communications can increase the anti-interference ability of information transmission, raising
The efficiency that information is transmitted reduces hindering and damaging during information is transmitted and loses.
When it is implemented, power grid has electric situation：Grid-connected work, methane power generating system is grid-connected by synchronous device, photovoltaic hair
Electric system is grid-connected by gird-connected inverter, and photovoltaic generation is run according to maximum generation state, in the case where meeting local load,
Providing auxiliary power batch sales are to power grid；
Grid-connected work, methane power generating system is not grid-connected, or local load is only given to power, and photovoltaic generating system generates electricity by way of merging two or more grid systems,
Photovoltaic generation is run according to maximum generation state, to power grid sale of electricity；
Isolated island works, and when grid cut-off, power grid main switch disconnects, and methane power generating system starts independent operation mode, light
Photovoltaic generating system is incorporated to the local only of methane power generating system one by one in batches using 5kW as run unit, by master control system control
Vertical power grid, being incorporated to work and can saving biogas usage amount for photovoltaic generating system, extends islanded system power-on time；
Isolated island works, and when grid cut-off, power grid main switch disconnects, and methane power generating system starts independent operation mode, day
According to deficiency, photovoltaic generating system does not work；
Shutdown mode, when isolated island works, methane quantity is insufficient, local power grid can not be supported, into shutdown mode；
According to the different demands situation of power load, can islet operation completely microgrid structure；Each micro battery exit
It is equipped with breaker and has the controller that power and voltage are adjusted, in the control of Energy Management System and centralized control unit
Under, control to power supply, on-load switch and the respective power output of adjustment to adjust feeder line,
The vanadium energy storage system of this micro-grid system is charged by solar panels to vanadium cell simultaneously, and vanadium cell storage is certain
After electricity, completes grid-connected by photovoltaic energy storage inverter progress DC communication electricity conversion and provide electric energy for AC load, examine
Consider photovoltaic energy storage inverter to need to provide startup voltage, therefore is equipped with charger, after battery pack is completed to mix liquid, cell voltage
For 0V, the startup voltage of photovoltaic controller is not achieved at this time, then need to be pre-charged to vanadium cell by charger, reach photovoltaic controller
Start voltage to continue to charge the battery by photovoltaic arrays later.
Above certain exemplary embodiments that the utility model is only described by way of explanation, undoubtedly, for
Those skilled in the art can be with a variety of different without departing from the spirit and scope of the utility model
Mode is modified described embodiment.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as
Limitation to the utility model claims protection domain.
Claims (8)
1. a kind of intelligent micro-grid control system based on vanadium cell, including centralized control unit and power supply system, it is characterised in that：
The information interface of the centralized control unit connect composition electricity with Energy Management System, power supply system and net-connected controller respectively
The microgrid control system of net smart allocation power supply.
2. a kind of intelligent micro-grid control system based on vanadium cell according to claim 1, which is characterized in that the confession
Electric system includes marsh gas power generation, photovoltaic generation and vanadium energy storage system, marsh gas power generation, photovoltaic generation and vanadium energy storage system
Connector connect respectively with power grid pipeline by AC/AC, DC/DC and PCS, the information mouth of AC/AC, DC/DC and PCS with
The information mouth of centralized control unit connects, power grid pipeline respectively with important load and can cutting load connect, can cutting load and electric
Load governor is equipped between net pipeline, the information mouth of load governor and the information mouth of centralized control unit connect.
3. a kind of intelligent micro-grid control system based on vanadium cell according to claim 2, which is characterized in that the electricity
Net pipeline is connect by transformer with 10kV voltages.
4. a kind of intelligent micro-grid control system based on vanadium cell according to claim 2, which is characterized in that the storage
Energy system is by the PV plates of photovoltaic arrays, photovoltaic energy storage inverter, vanadium cell, battery management system BMS and Energy Management System EMS
Composition, the communication interface of Energy Management System EMS by connection respectively with switch board, charger, photovoltaic energy storage inverter and
The communication interface of battery management system SBMS connects, and photovoltaic arrays PV plates are connect by header box with photovoltaic energy storage inverter, light
Volt energy storage inverter is connect by switch QF4 and QF1 with power grid and direct current supply line respectively, and power grid passes through QF6 and AC distribution
Cabinet connects, and charger is connect by QF5 and QF3 with power grid and direct current supply line respectively, and vanadium cell passes through QF2 and DC power supply
Line is connected between battery management system SBMS and vanadium cell by bidirectional lines.
5. a kind of intelligent micro-grid control system based on vanadium cell according to claim 4, which is characterized in that described is straight
The DC voltage for flowing power cord is 48V.
6. a kind of intelligent micro-grid control system based on vanadium cell according to claim 4, which is characterized in that the light
The power of square formation is lied prostrate as 10kW, and the quantity of the PV plates of photovoltaic arrays=10/0.25=40 blocks.
7. a kind of intelligent micro-grid control system based on vanadium cell according to claim 4, which is characterized in that the light
The setting angle for lying prostrate the PV plates of square formation is 34.58 degree.
8. a kind of intelligent micro-grid control system based on vanadium cell according to claim 2, which is characterized in that described
It is communicated and is connected by Rs485 between the information mouth of the information mouth and centralized control unit of AC/AC, DC/DC, PCS and load governor
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721510332.XU CN207652043U (en) | 2017-11-13 | 2017-11-13 | A kind of intelligent micro-grid control system based on vanadium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721510332.XU CN207652043U (en) | 2017-11-13 | 2017-11-13 | A kind of intelligent micro-grid control system based on vanadium cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207652043U true CN207652043U (en) | 2018-07-24 |
Family
ID=62890695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721510332.XU Expired - Fee Related CN207652043U (en) | 2017-11-13 | 2017-11-13 | A kind of intelligent micro-grid control system based on vanadium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207652043U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887911A (en) * | 2017-11-13 | 2018-04-06 | 李鑫 | A kind of intelligent micro-grid control system based on vanadium cell |
-
2017
- 2017-11-13 CN CN201721510332.XU patent/CN207652043U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887911A (en) * | 2017-11-13 | 2018-04-06 | 李鑫 | A kind of intelligent micro-grid control system based on vanadium cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102361328B (en) | Wind and light complement distributed micro-grid system for comprehensively utilizing commercial power | |
| CN101677188A (en) | Electric grid interconnecting type wind-solar hybrid power generation system | |
| CN105932716A (en) | Power supply system of distributed type power source | |
| CN201286019Y (en) | Electric grid interconnecting 110KW wind and light complementary electricity production system | |
| CN101958555A (en) | Intelligent control system and method of photovoltaic grid-connected power station | |
| CN202957612U (en) | Wind and photovoltaic power storage intelligent microgrid and control system thereof | |
| CN108347067B (en) | Micro-grid architecture containing battery energy storage and generator and control method | |
| CN201966838U (en) | Wind energy, solar energy, diesel and battery combined power supply and integrated control system thereof | |
| CN203933136U (en) | Novel household energy-storage system controller | |
| Ma et al. | Optimal dispatch of hybrid energy islanded microgrid considering V2G under TOU tariffs | |
| CN205829186U (en) | Building electric power system | |
| CN206149148U (en) | Railway traction power supply system based on photovoltaic power generation | |
| CN107911061A (en) | Photovoltaic energy storage power station | |
| CN207652043U (en) | A kind of intelligent micro-grid control system based on vanadium cell | |
| CN209488190U (en) | United station power system | |
| CN202678984U (en) | Solar photovoltaic system applied to grid-connected power supply of large-size civil buildings | |
| CN204809967U (en) | Little electric wire netting intelligence control system | |
| CN104348207A (en) | Interconnected distributed type wind-solar complementary power generation system | |
| CN203722249U (en) | Distributed photovoltaic grid-connected power generation system | |
| CN207339720U (en) | Photovoltaic energy storage power station | |
| CN108233419A (en) | A kind of power grid supply intelligent microgrid control system | |
| CN116247706A (en) | Control system and power distribution method for improving digestion capacity of terminal power grid | |
| CN203151120U (en) | Household hybrid power supply system | |
| CN201805238U (en) | Intelligent control system for photovoltaic grid-connected power plant | |
| CN104659897A (en) | Photovoltaic grid-connected power supply system used for sport clubhouse |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20201113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |