CN106849096A - A kind of user side smart micro-grid system - Google Patents
A kind of user side smart micro-grid system Download PDFInfo
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- CN106849096A CN106849096A CN201710154511.2A CN201710154511A CN106849096A CN 106849096 A CN106849096 A CN 106849096A CN 201710154511 A CN201710154511 A CN 201710154511A CN 106849096 A CN106849096 A CN 106849096A
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- 230000005611 electricity Effects 0.000 claims abstract description 85
- 238000012544 monitoring process Methods 0.000 claims abstract description 32
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- 238000000034 method Methods 0.000 claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 26
- 238000004146 energy storage Methods 0.000 claims description 33
- 238000009826 distribution Methods 0.000 claims description 26
- 230000003068 static effect Effects 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 abstract description 8
- 238000005457 optimization Methods 0.000 abstract description 6
- 238000010248 power generation Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
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- 230000010354 integration Effects 0.000 description 3
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
- H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
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- H02J13/0006—
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Engineering & Computer Science (AREA)
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A kind of user side smart micro-grid system of disclosure, wherein：Because the input of process controller is connected with generation of electricity by new energy device, the output end of process controller is connected with Domestic distributing box, Domestic distributing box is connected with consumer unit, consumer unit is connected with data acquisition and monitoring unit, to cause that family integrated terminal collects the generated energy of generation of electricity by new energy device and the power information of electrical equipment；Again because data acquisition and monitoring unit is connected with master station communication unit, therefore generating information and power information are sent to domain type micro-capacitance sensor central controller, using generation of electricity by new energy and load estimation unit and data processing unit, generating information and power information are analyzed after treatment obtains a result, control is made to generation of electricity by new energy device and electrical equipment by data acquisition and monitoring unit, so as to balance the relation generated electricity with electricity consumption in micro-capacitance sensor, the scheduling of optimization micro-capacitance sensor and operation.
Description
Technical field
The application is related to intelligent micro-grid technical field, more particularly to a kind of user side smart micro-grid system.
Background technology
Micro-capacitance sensor technology is the core of distributed photovoltaic power generation system integration application.By micro-capacitance sensor, based on personal,
Online more than needed, suits measures to local conditions, and the principle of advance to perfect order actively develops in user side and accesses distributed photovoltaic power with scale,
It is to realize that new energy on-site elimination is utilized, plays the most effective way of distributed photovoltaic power generation brother's efficiency.
Scale with distributed photovoltaic power generation system in user side is accessed, the allusion quotation with residential home, cell as unit
The possibility of the sub- micro-capacitance sensor of type user side is greatly increased.For example, with residential home be basic electricity unit, when each power unit
When all independently accessing photovoltaic power generation apparatus, some power units constitute sub- micro-capacitance sensor with some photovoltaic power generation apparatus for accessing.But
Be, due to that can be influenceed by insolation amount, cumulus amount, temperature and humidity, the generated energy of photovoltaic power generation apparatus be not one one-tenth not
Become, but fluctuate up and down；Additionally, power unit is also fluctuated by electric load up and down because of the factor such as time, weather.
Therefore, the relation between generating and electricity consumption how is balanced, as technical problem urgently to be resolved hurrily.
The content of the invention
The application provides a kind of user side smart micro-grid system, when user side scale accesses distributed photovoltaic power
When, to solve to generate electricity and the unbalanced technical problem of electricity consumption.
The application provides a kind of user side smart micro-grid system, including：
Power distribution network, domain type micro-capacitance sensor central controller and some sub- micro-capacitance sensors；
The power distribution network includes automation power supply unit, automatic dispatching unit and data acquisition unit；
The domain type micro-capacitance sensor central controller includes the master station communication unit, energy management unit, the number that are sequentially connected in series
According to processing unit, generation of electricity by new energy and load estimation unit and Millisecond microgrid control unit；
The master station communication unit is connected with the automation power supply unit by standard ethernet interface and/or radio communication
Connect；
Each described sub- micro-capacitance sensor includes family integrated terminal, consumer unit and some basic electricity units；
The family integrated terminal include be sequentially connected in series bidirectional measuring unit, energy efficiency management unit, man-machine interface and
Data acquisition and monitoring unit；
The data acquisition and monitoring unit passes through standard ethernet interface, RS-485 interfaces with the master station communication unit
And/or CAN interface connection；
The data acquisition and monitoring unit is also connected with the consumer unit；
Each described basic electricity unit sets including Domestic distributing box, process controller, generation of electricity by new energy device and electricity consumption
It is standby；
The Domestic distributing box is connected with the consumer unit；
The input of the process controller is connected with the generation of electricity by new energy device；
The output end of the process controller is connected with the Domestic distributing box.
Alternatively, a basic electricity unit in some basic electricity units also includes energy storage device；
The energy storage device is connected with the input of the process controller of the basic electricity unit.
Alternatively, each described sub- micro-capacitance sensor also includes centralized energy storage device；
The centralized energy storage device is connected with the consumer unit.
Further, the generation of electricity by new energy device includes：Photovoltaic panel, insolation amount measuring means, cumulus amount measuring means
And temperature humidity measurement unit；
The insolation amount measuring means, the cumulus amount measuring means and the temperature humidity measurement unit are gone here and there successively
Connect；
The insolation amount measuring means, the cumulus amount measuring means and the temperature humidity measurement unit with it is described
Photovoltaic panel is connected.
Further, the generation of electricity by new energy device also includes：Electricity monitoring unit；
The electricity monitoring unit is connected with the photovoltaic panel.
Alternatively, it is provided with the Domestic distributing box for controlling the 0.4kV of the sub- micro-grid connection or logout static
Switch.
Alternatively, it is provided with the Domestic distributing box for controlling the 0.4kV of the sub- micro-grid connection or logout static
Switch；
The 0.4kV static switches for controlling the sub- micro-grid connection or logout are provided with the consumer unit.
Alternatively, the photovoltaic panel is 3kW photovoltaic panels.
Alternatively, the capacity of the energy storage device is 4.5kWh.
Alternatively, the capacity of the centralized energy storage device is 20.6kWh.
Preferably, the system that the application is provided realizes data interaction using standard Modbus communication protocols.
From above technical scheme, the application provides a kind of user side smart micro-grid system, including：Power distribution network, area
Domain type micro-capacitance sensor central controller and some sub- micro-capacitance sensors；The power distribution network includes automation power supply unit, automatic dispatching list
Unit and data acquisition unit；The domain type micro-capacitance sensor central controller includes the master station communication unit, the energy that are sequentially connected in series
Administrative unit, data processing unit, generation of electricity by new energy and load estimation unit and Millisecond microgrid control unit；Described in each
Sub- micro-capacitance sensor includes family integrated terminal, consumer unit and some basic electricity units；The family is included with integrated terminal
Bidirectional measuring unit, energy efficiency management unit, data acquisition and monitoring unit and the man-machine interface being sequentially connected in series；Each is described basic
Power unit includes Domestic distributing box, process controller, generation of electricity by new energy device and electrical equipment；
In order to solve user side micro-capacitance sensor of the prior art, the especially son with residential home, cell as elementary cell
Micro-capacitance sensor, in the user side smart micro-grid system that the application is provided：Input and generation of electricity by new energy due to process controller
Device is connected, and the output end of process controller is connected with Domestic distributing box, and Domestic distributing box is connected with consumer unit, consumer unit
Be connected with data acquisition and monitoring unit, with cause family integrated terminal collect generation of electricity by new energy device generated energy and
The power information of electrical equipment；Again due to data acquisition and monitoring unit and master station communication unit by standard ethernet interface,
RS-485 interfaces and/or CAN interface are connected, therefore generating information and power information are sent into the control of domain type micro-capacitance sensor center
Device, using generation of electricity by new energy and load estimation unit and data processing unit, place is analyzed to generating information and power information
After reason is obtained a result, control is made to generation of electricity by new energy device and electrical equipment by data acquisition and monitoring unit, so as to balance
The relation generated electricity with electricity consumption in micro-capacitance sensor, the scheduling of optimization micro-capacitance sensor and operation.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the application, letter will be made to the accompanying drawing to be used needed for embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of user side smart micro-grid system structure schematic diagram according to an exemplary embodiment；
Fig. 2 is the seed micro-capacitance sensor structural representation according to an exemplary embodiment；
Fig. 3 is another seed micro-capacitance sensor structural representation according to an exemplary embodiment；
Fig. 4 is the another seed micro-capacitance sensor structural representation according to an exemplary embodiment；
Fig. 5 is a kind of generation of electricity by new energy apparatus structure schematic diagram according to an exemplary embodiment；
Illustrate：1- power distribution networks；11- automates power supply unit；12- automatic dispatching units；13- data acquisition lists
Unit；2- domain type micro-capacitance sensor central controllers；21- master station communication units；22- energy management units；23- data processing units；
24- generations of electricity by new energy and load estimation unit；25- Millisecond microgrid control units；3- micro-capacitance sensors；The integration of 31- families is eventually
End；311- bidirectional measuring units；312- energy efficiency management units；313- man-machine interfaces；314- data acquisition and monitoring units；32-
Consumer unit；33- basic electricity units；34- centralization energy storage devices；331- Domestic distributing boxs；332- process controllers；333-
Generation of electricity by new energy device；3331- photovoltaic panels；3332- insolation amount measuring means；3333- cumulus amount measuring means；3334 temperature are wet
Degree measuring means；3335- electricity monitoring units；334- electrical equipments；335- energy storage devices.
Specific embodiment
Fig. 1 and Fig. 2 is referred to, wherein, Fig. 1 is the user side smart micro-grid system according to an exemplary embodiment
Structure schematic diagram, Fig. 2 is the sub- micro-capacitance sensor structural representation according to an exemplary embodiment.
The application provides a kind of user side smart micro-grid system, including：
Power distribution network 1, domain type micro-capacitance sensor central controller 2 and some sub- micro-capacitance sensors 3；
The power distribution network 1 includes automation power supply unit 11, automatic dispatching unit 12 and data acquisition unit 13；
Distribution Automation Technology is to serve the important technology that town and country distribution network transform is built, and the communication technology is automatic distribution
The key of change.At present, China's power distribution automation has carried out more pilot, three be made up of distribution main website, substation and line feed terminals
Rotating fields have been gained universal acceptance, and fiber optic communication is also known together as the communication mode of backbone network.
Power distribution automation unit (DAS) is that one kind can make distribution enterprise monitor in real time fashion, coordinate and grasp in the distance
Make the automated system of controller switching equipment；Its content includes electric distribution network data collection and monitoring system (SCADA), distribution geography information
System (GIS) and dsm (DSM) several parts.
The domain type micro-capacitance sensor central controller 2 includes the master station communication unit 21, energy management unit being sequentially connected in series
22nd, data processing unit 23, generation of electricity by new energy and load estimation unit 24 and Millisecond microgrid control unit 25；
The master station communication unit 21 passes through standard ethernet interface and/or channel radio with the automation power supply unit 11
Letter connection；
The application provide system in, domain type micro-capacitance sensor central controller 2 can realize micro-capacitance sensor operation control and
Protection, possesses black starting-up, the stability contorting of isolated island detection and logout switching, frequency and voltage, micro-capacitance sensor optimization operation and dispatches
And the function such as error protection.
Specifically, black starting-up function refers to that automatic/hand of the micro-capacitance sensor under collapse case starts, and strengthens micro-capacitance sensor self-healing
Ability；Frequency stabilization control refers to the requirement with reference to micro-capacitance sensor to frequency, by the active adjustment of micro battery and load, realizing
The stability contorting of micro-capacitance sensor frequency；Voltage Stability Control refers to reference to requirement of the micro-capacitance sensor to voltage, by micro battery and negative
The adjustment that lotus is idle, realizes the stability contorting of micro-capacitance sensor voltage；Isolated island detection control refers to realize that multiple spot isolated island is detected, and is reduced
To the interference of the micro-capacitance sensor quality of power supply in detection process；Protection control refer to realize micro-capacitance sensor from, it is grid-connected in the case of failure
Quickly, reliable excision.
In this application, master station communication unit 21 is mainly used in carrying out data communication, example with upper strata scheduling and infrastructure devices
Such as, in this application master station communication unit 21 and the automation power supply unit 11 by standard ethernet interface and/or wireless
Communication connection, so as to realize contacting for domain type micro-capacitance sensor central controller 2 and upper strata power distribution network.
Energy management unit 22 is mainly used in, according to load i.e. power consumption, photovoltaic and/or the energy storage i.e. information of power consumption, pressing
The automatic distribution based on the dominant eigenvalues between many sub- microgrids is carried out according to instruction；
Generation of electricity by new energy is mainly used in generated energy and electrical equipment to generation of electricity by new energy device with load estimation unit 24
Power consumption make prediction, for micro-capacitance sensor control data foundation is provided；
Millisecond microgrid control unit 25 is highly integrateable in the hardware platform of domain type micro-capacitance sensor central controller 2, energy
Enough ensure the accuracy and fast-response of micro-capacitance sensor control.
Preferably, domain type micro-capacitance sensor central controller 2 uses MGC201 micro-capacitance sensor central controllers.
Each described sub- micro-capacitance sensor 3 includes family integrated terminal 31, consumer unit 32 and some basic electricity units 33；
The family integrated terminal 31 includes the bidirectional measuring unit 311, the energy efficiency management unit 312, people that are sequentially connected in series
Machine interface 313 and data acquisition and monitoring unit 314；
The data acquisition and monitoring unit 314 passes through standard ethernet interface, RS- with the master station communication unit 21
485 interfaces and/or CAN interface are connected；
In order to ensure isolated network stabilization fortune, energy efficiency management and the optimization of distributed power source user side micro-capacitance sensor, it is necessary to obtain use
The power of electric equipment (load), power consumption, with related datas such as electrical characteristics, it is therefore desirable to distributed photovoltaic power generation, energy storage dress
Put and load condition is monitored and measures, for the stability contorting and energy efficiency management of micro-capacitance sensor provide data foundation.
In the system that the application is provided, family integrated terminal 31 can realize the two-way meter of photovoltaic generation and sub- micro-capacitance sensor
Amount, photovoltaic system are the collection of generation of electricity by new energy device information, energy storage information gathering and the load i.e. information gathering of electrical equipment, are
The control of micro-capacitance sensor and energy efficiency management provide basis, are that system balancing generated energy and electricity consumption magnitude relation provide basis.
31 terminations are controlled by the domain type micro-capacitance sensor central controller 2 of last layer eventually for family integration.For example, in the application
In, data acquisition and monitoring unit 314 and the master station communication unit 21 by standard ethernet interface, RS-485 interfaces and/
Or CAN interface connection, so as to realize the connection of family integrated terminal 31 and domain type micro-capacitance sensor central controller 2 in sub- micro-capacitance sensor
System.
The data acquisition and monitoring unit 314 is also connected with the consumer unit 32；
Preferably, the man-machine interface 313 uses LCD liquid crystal displays, and user can be read by the operation of LCD liquid crystal displays
Generating information and power information.
Each described basic electricity unit 33 includes Domestic distributing box 331, process controller 332, generation of electricity by new energy device
333 and electrical equipment 334；
Process controller 332 is controlled variable to characterize the parameter of production process, and is allowed to close to set-point, or is kept
Automatic controller in given range.
In this application, automatic dispatching unit 12 is according to the interconnection work(sent on domain type micro-capacitance sensor central controller 2
Rate value, issues a control targe value, forming process control.
The Domestic distributing box 331 is connected with the consumer unit 32；
The input of the process controller 332 is connected with the generation of electricity by new energy device 333；
The output end of the process controller 332 is connected with the Domestic distributing box 331.
Preferably, the system that the application is provided realizes data interaction using standard Modbus communication protocols.
With reference to above-described embodiment, sub- micro-capacitance sensor described herein and basic electricity unit can be following any of which
Plant possible implementation.
It is assumed that from the electric power users of peach woods cell, choosing 6 family users in No. 1 unit of building 3, sub- micro-capacitance sensor is set up.Tool
Body ground：For each household user, a Domestic distributing box is configured；The newly-built 6 sets generation of electricity by new energy dresses for being connected with process controller
Put, and access each household Domestic distributing box；The own electrical equipment of each household, generation of electricity by new energy device, process controller and family expenses
Distribution box constitutes a basic electricity unit.Go out a newly-built consumer unit in unit building mouthful again, respectively with the family expenses of 6 family users
Distribution box is connected, and configures a family integrated terminal described herein, is connected with consumer unit.Consequently, it is possible to just shape
Into the first sub- micro-capacitance sensor being made up of 6 basic electricity units, a consumer unit and a family integrated terminal.
Fig. 3 is referred to, a basic electricity unit 33 in some basic electricity units also includes energy storage device
335；
The energy storage device 335 is connected with the input of the process controller 332 of the basic electricity unit 33.
Access after generation of electricity by new energy device is photovoltaic energy, it would be possible to cause voltage, harmonic wave in micro-capacitance sensor or sub- micro-capacitance sensor
Component increases, and the generated energy and its power output of one side generation of electricity by new energy device are difficult to match with the power consumption of electrical equipment
And balance, on the other hand, certain influence is there is also on measuring accuracy, so as to influence system for the Based Intelligent Control of micro-capacitance sensor.Light
The volt energy is significant to micro-capacitance sensor stable operation and efficiency optimization as the important power supply of user side micro-capacitance sensor.
Based on this, energy storage device as dissolve distributed photovoltaic power and micro-capacitance sensor emergency power supply, be micro- electricity
The important support of net stability contorting.
Specifically, on the first sub- micro-capacitance sensor basis described in above-described embodiment, the 1st family user is chosen, is configured a set of
Energy storage device, and energy storage device is connected with the process controller of the user, access the Domestic distributing box of the user, such one
Come, just formed and the power unit of energy storage device, a consumer unit and a family are connected to by 5 basic electricity units, one
The the second sub- micro-capacitance sensor constituted with integrated terminal.
Fig. 4 is referred to, each described sub- micro-capacitance sensor 3 also includes centralized energy storage device 34；
The centralized energy storage device 34 is connected with the consumer unit 32.
Specifically, on the first sub- micro-capacitance sensor basis described in above-described embodiment, a set of centralized energy storage device is configured,
And the centralized energy storage device is connected with consumer unit, the centralized energy storage device centralized energy for 6 family users provide
Deposit.Consequently, it is possible to just form the 3rd sub- micro-capacitance sensor different from first, second sub- micro-capacitance sensor.
Fig. 5 is referred to, the generation of electricity by new energy device 333 includes：Photovoltaic panel 3331, insolation amount measuring means 3332, product
Cloud amount measuring means 3333 and temperature humidity measurement unit 3334；
The insolation amount measuring means 3332, the cumulus amount measuring means 3333 and the temperature humidity measurement unit
3334 are sequentially connected in series；
The insolation amount measuring means 3332, the cumulus amount measuring means 3333 and the temperature humidity measurement unit
3334 are connected with the photovoltaic panel 3331.
Further, the generation of electricity by new energy device 333 also includes：Electricity monitoring unit 3335；
The electricity monitoring unit 3335 is connected with the photovoltaic panel 3331.
For the user with new energy car, the electricity monitoring unit 3335 is mainly used in new energy car from described new
The electric flux obtained at energy source electric generating device is acquired and controls.
Alternatively, it is provided with for controlling the 0.4kV of the sub- micro-grid connection or logout quiet in the Domestic distributing box 331
State is switched.
Alternatively, it is provided with for controlling the 0.4kV of the sub- micro-grid connection or logout quiet in the Domestic distributing box 331
State is switched；
0.4kV static switches, rated current 63A, it is desirable to cut-offfing and closing for switch can be realized in 20ms, at the same with storage
Energy inverter coordinates, and realizes the seamless switching of the above-mentioned second sub- micro-capacitance sensor.
The 0.4kV static state being provided with the consumer unit 32 for the control sub- micro-grid connection or logout is opened
Close.
0.4kV static switches, rated current 200A, it is desirable to cut-offfing and closing for switch can be realized in 20ms, while with
Energy storage inverter coordinates, and realizes the seamless switching of above-mentioned 3rd sub- micro-capacitance sensor.
Compared with conventional circuit breaker, the static switch needs to have communication function, but realizes monitoring and upload electricity substantially
Tolerance and switch state, while receiving the control of top level control system.Simultaneously, it is necessary to possess promptly opening and closing of energy
Power, is coordinated with energy storage inverter and family with integrated terminal, and the seamless of distributed energy in sub- micro-capacitance sensor and logout is realized jointly
Switching.
It should be noted that under normal circumstances, above-mentioned sub- micro-capacitance sensor can run under grid-connected and logout both of which.It is grid-connected
When, the distributed power source in each sub- micro-capacitance sensor both participates in the scheduling of power distribution network.Switching during logout mainly has energy storage device and phase
The control the answered and switch of logout is completed jointly.
Alternatively, the photovoltaic panel 3331 is 3kW photovoltaic panels.
Alternatively, the capacity of the energy storage device 335 is 4.5kWh.
Alternatively, the capacity of the centralized energy storage device 34 is 20.6kWh.
From above technical scheme, the application provides a kind of user side smart micro-grid system, including：Power distribution network 1, area
Domain type micro-capacitance sensor central controller 2 and some sub- micro-capacitance sensors 3；The power distribution network 1 includes that automation power supply unit 11, automation are adjusted
Degree unit 12 and data acquisition unit 13；The domain type micro-capacitance sensor central controller 2 includes the master station communication being sequentially connected in series
Unit 21, energy management unit 22, data processing unit 23, generation of electricity by new energy and load estimation unit 24 and Millisecond microgrid
Control unit 25；Each described sub- micro-capacitance sensor 3 includes family integrated terminal 31, consumer unit 32 and some basic electricity units
33；The family integrated terminal 31 includes the bidirectional measuring unit 311, the energy efficiency management unit 312, man-machine interface that are sequentially connected in series
313 and data acquisition and monitoring unit 314；Each described basic electricity unit 33 includes Domestic distributing box 331, process controller
332nd, generation of electricity by new energy device 333 and electrical equipment 334；
In order to solve user side micro-capacitance sensor of the prior art, the especially son with residential home, cell as elementary cell
Micro-capacitance sensor, in the user side smart micro-grid system that the application is provided：Because the input of process controller 332 is sent out with new energy
Electric installation 333 is connected, and the output end of process controller 332 is connected with Domestic distributing box 331, Domestic distributing box 331 and total distribution
Case 32 is connected, and consumer unit 32 is connected with data acquisition and monitoring unit 314, to cause that family integrated terminal 31 is collected newly
The generating information of energy source electric generating device 333 and the power information of electrical equipment 334；Again due to data acquisition and monitoring unit
314 are connected with master station communication unit 21 by standard ethernet interface, RS-485 interfaces and/or CAN interface, therefore are believed generating electricity
Breath and power information are sent to domain type micro-capacitance sensor central controller 2, using generation of electricity by new energy and the sum of load estimation unit 24
According to processing unit 23, generating information and power information are analyzed after treatment obtains a result, by data acquisition and monitoring unit
314 pairs of generation of electricity by new energy devices 333 and electrical equipment 334 make control, so that the relation generated electricity with electricity consumption in micro-capacitance sensor is balanced,
The scheduling of optimization micro-capacitance sensor and operation.
Invention described above implementation method is not intended to limit the scope of the present invention..
Claims (10)
1. a kind of user side smart micro-grid system, it is characterised in that including：
Power distribution network, domain type micro-capacitance sensor central controller and some sub- micro-capacitance sensors；
The power distribution network includes automation power supply unit, automatic dispatching unit and data acquisition unit；
The domain type micro-capacitance sensor central controller includes the master station communication unit being sequentially connected in series, energy management unit, at data
Reason unit, generation of electricity by new energy and load estimation unit and Millisecond microgrid control unit；
The master station communication unit passes through standard ethernet interface and/or wireless communication connection with the automation power supply unit；
Each described sub- micro-capacitance sensor includes family integrated terminal, consumer unit and some basic electricity units；
The family integrated terminal includes the bidirectional measuring unit, energy efficiency management unit, man-machine interface and the data that are sequentially connected in series
Collection and monitoring unit；
The data acquisition and monitoring unit and the master station communication unit by standard ethernet interface, RS-485 interfaces and/
Or CAN interface connection；
The data acquisition and monitoring unit is also connected with the consumer unit；
Each described basic electricity unit includes Domestic distributing box, process controller, generation of electricity by new energy device and electrical equipment；
The Domestic distributing box is connected with the consumer unit；
The input of the process controller is connected with the generation of electricity by new energy device；
The output end of the process controller is connected with the Domestic distributing box.
2. user side smart micro-grid system according to claim 1, it is characterised in that some basic electricity units
In a basic electricity unit also include energy storage device；
The energy storage device is connected with the input of the process controller of the basic electricity unit.
3. user side smart micro-grid system according to claim 1, it is characterised in that each described sub- micro-capacitance sensor is also wrapped
Include centralized energy storage device；
The centralized energy storage device is connected with the consumer unit.
4. user side smart micro-grid system according to claim 1, it is characterised in that the generation of electricity by new energy device bag
Include：Photovoltaic panel, insolation amount measuring means, cumulus amount measuring means and temperature humidity measurement unit；
The insolation amount measuring means, the cumulus amount measuring means and the temperature humidity measurement unit are sequentially connected in series；
The insolation amount measuring means, the cumulus amount measuring means and the temperature humidity measurement unit with the photovoltaic
Plate is connected.
5. user side smart micro-grid system according to claim 4, it is characterised in that the generation of electricity by new energy device is also
Including：Electricity monitoring unit；
The electricity monitoring unit is connected with the photovoltaic panel.
6. user side smart micro-grid system according to claim 2, it is characterised in that be provided with the Domestic distributing box
0.4kV static switches for controlling the sub- micro-grid connection or logout.
7. user side smart micro-grid system according to claim 3, it is characterised in that be provided with the Domestic distributing box
0.4kV static switches for controlling the sub- micro-grid connection or logout；
The 0.4kV static switches for controlling the sub- micro-grid connection or logout are provided with the consumer unit.
8. the user side smart micro-grid system according to Claims 2 or 3, it is characterised in that the photovoltaic panel is 3kW light
Volt plate.
9. user side smart micro-grid system according to claim 2, it is characterised in that the centralized energy storage device
Capacity is 4.5kWh.
10. user side smart micro-grid system according to claim 3, it is characterised in that the capacity of the energy storage device
It is 20.6kWh.
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Application publication date: 20170613 |