CN105790303A - Intelligent microgrid - Google Patents

Intelligent microgrid Download PDF

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Publication number
CN105790303A
CN105790303A CN201610231204.5A CN201610231204A CN105790303A CN 105790303 A CN105790303 A CN 105790303A CN 201610231204 A CN201610231204 A CN 201610231204A CN 105790303 A CN105790303 A CN 105790303A
Authority
CN
China
Prior art keywords
management system
energy
user
central controller
solar energy
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.)
Granted
Application number
CN201610231204.5A
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Chinese (zh)
Other versions
CN105790303B (en
Inventor
曹永胜
李德敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Donghua University
National Dong Hwa University
Original Assignee
Donghua University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Donghua University filed Critical Donghua University
Priority to CN201610231204.5A priority Critical patent/CN105790303B/en
Publication of CN105790303A publication Critical patent/CN105790303A/en
Application granted granted Critical
Publication of CN105790303B publication Critical patent/CN105790303B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H02J3/383
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2203/00Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/388Islanding, i.e. disconnection of local power supply from the network
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/14District level solutions, i.e. local energy networks

Landscapes

  • Supply And Distribution Of Alternating Current (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention relates to an intelligent microgrid, which comprises a solar energy collecting device, an energy storage management system, a power generation management system, a central controller and a user-side monitoring system which are connected in sequence, wherein the solar energy collecting device is used for collecting solar energy; the energy storage management system is used for storing the solar energy; the power generation management system is used for converting the stored solar energy into electric energy for power generation; the user-side monitoring system is used for monitoring electric energy variation of load used by a user in real time and transmitting relevant information to the central controller; and the central controller is used for counting and estimating energy consumption of a user side, and controlling the power generation management system to generate power according to the counting and estimation results. The intelligent microgrid can satisfy electricity utilization requirements of the user in a short time, and has small loss in the power transmission process.

Description

A kind of intelligent micro-grid
Technical field
The present invention relates to intelligent power grid technology field, particularly relate to a kind of intelligent micro-grid.
Background technology
Solar energy is the important method solving future source of energy problem.The commonly used large-scale firepower of present electrical network carries out centralized generating, again through high pressure long-distance sand transport electric power to user, this can cause that environmental pollution increases the weight of, and can not adjusting in time according to the load of user, electric network fault gets rid of time length and the problem that the power supply of remote districts is less desirable.
Summary of the invention
The technical problem to be solved is to provide a kind of intelligent micro-grid, can meet the need for electricity of user at short notice, and in power transmission process, loss is less.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of intelligent micro-grid, monitoring system including the solar collecting device being sequentially connected, energy storage management system, electric generation management system, central controller and user side, described solar collecting device is used for collecting solar energy;Described energy storage management system is used for storing solar energy;Described electric generation management system generates electricity for the solar energy of storage is converted to electric energy;Described user side monitoring system uses the power change of load for monitor in real time user and sends relevant information to central controller;Described central controller is for adding up the energy consumption of user side and estimate, and generates electricity according to statistics and estimation results control electric generation management system.
Described solar collecting device is solar module.
Described energy storage management system is accumulator.
Described electric generation management system is interconnective controller and inverter.
Described user side monitoring system is intelligent electric meter.
Beneficial effect
Owing to have employed above-mentioned technical scheme, the present invention is compared with prior art, have the following advantages that and good effect: the present invention can meet the need for electricity of user at short notice, in power transmission process, loss is less, intelligent micro-grid is connected on user side, there is the features such as low cost, low-voltage, low stain, can transform on existing equipment, tradition electrical network is intelligent, intelligent micro-grid both can with bulk power grid networking operation, it is possible to disconnect isolated operation at electric network fault or when needing with major network.
Accompanying drawing explanation
Fig. 1 is the block diagram of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate the present invention rather than restriction the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, the present invention can be made various changes or modifications by those skilled in the art, and these equivalent form of values fall within the application appended claims limited range equally.
Embodiments of the present invention relate to a kind of intelligent micro-grid, as shown in Figure 1, monitoring system including the solar collecting device being sequentially connected, energy storage management system, electric generation management system, central controller and user side, described solar collecting device is used for collecting solar energy;Described energy storage management system is used for storing solar energy;Described electric generation management system generates electricity for the solar energy of storage is converted to electric energy;Described user side monitoring system uses the power change of load for monitor in real time user and sends relevant information to central controller;Described central controller is for adding up the energy consumption of user side and estimate, and generates electricity according to statistics and estimation results control electric generation management system.
Described solar collecting device is solar module, and described energy storage management system comprises accumulator, can be connected with consumer electronics by electric generation management system, and described electric generation management system comprises interconnective controller and inverter.
Described user side monitoring system is intelligent electric meter, and monitor in real time user uses the power change of load, sends relevant information to central controller.
Electric generation management system is monitored system with user side and is connected with central controller respectively.User load running state data obtains from the port of central controller, process through central controller and analyze, and carry out the statistics of user side energy consumption and estimate, control electric generation management system according to statistics and estimation results and generate electricity, thus carrying out suitable power supply for load.
When user side monitoring system discovery intelligent micro-grid breaks down, a range of failture evacuation can be carried out according to the data gathered.User side monitoring system can gather user side power consumption change over time, and carry out certain electricity consumption decision-making and be supplied to user.
It is seen that, the present invention can meet the need for electricity of user at short notice, in power transmission process, loss is less, intelligent micro-grid is connected on user side, there is the features such as low cost, low-voltage, low stain, it is possible to transform on existing equipment, tradition electrical network is intelligent, intelligent micro-grid both can with bulk power grid networking operation, it is possible to disconnect isolated operation at electric network fault or when needing with major network.

Claims (5)

1. an intelligent micro-grid, it is characterised in that including the solar collecting device, energy storage management system, electric generation management system, central controller and the user side monitoring system that are sequentially connected, described solar collecting device is used for collecting solar energy;Described energy storage management system is used for storing solar energy;Described electric generation management system generates electricity for the solar energy of storage is converted to electric energy;Described user side monitoring system uses the power change of load for monitor in real time user and sends relevant information to central controller;Described central controller is for adding up the energy consumption of user side and estimate, and generates electricity according to statistics and estimation results control electric generation management system.
2. intelligent micro-grid according to claim 1, it is characterised in that described solar collecting device is solar module.
3. intelligent micro-grid according to claim 1, it is characterised in that described energy storage management system is accumulator.
4. intelligent micro-grid according to claim 1, it is characterised in that described electric generation management system is interconnective controller and inverter.
5. intelligent micro-grid according to claim 1, it is characterised in that described user side monitoring system is intelligent electric meter.
CN201610231204.5A 2016-04-14 2016-04-14 A kind of intelligent micro-grid Expired - Fee Related CN105790303B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610231204.5A CN105790303B (en) 2016-04-14 2016-04-14 A kind of intelligent micro-grid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610231204.5A CN105790303B (en) 2016-04-14 2016-04-14 A kind of intelligent micro-grid

Publications (2)

Publication Number Publication Date
CN105790303A true CN105790303A (en) 2016-07-20
CN105790303B CN105790303B (en) 2018-05-15

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Family Applications (1)

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CN201610231204.5A Expired - Fee Related CN105790303B (en) 2016-04-14 2016-04-14 A kind of intelligent micro-grid

Country Status (1)

Country Link
CN (1) CN105790303B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107947234A (en) * 2017-12-06 2018-04-20 北京嘉寓门窗幕墙股份有限公司 intelligent micro-grid
CN115102233A (en) * 2022-08-26 2022-09-23 广东卓维网络有限公司 Community power grid management system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102088201A (en) * 2010-12-09 2011-06-08 武汉奥新科技有限公司 Electrocar intelligent charging system with alternative energy source and energy storage device
CN102856939A (en) * 2011-06-30 2013-01-02 珠海银通新能源有限公司 Uninterrupted power system for household electric appliances
CN105244917A (en) * 2015-11-04 2016-01-13 江西宝象科技有限公司 Microgrid system having function of balancing energy and load
CN105470972A (en) * 2016-01-16 2016-04-06 北京智慧小树苗科技有限公司 Intelligent household power consumption management system implemented based on solar power supply interface
CN205141701U (en) * 2015-11-30 2016-04-06 珠海格力电器股份有限公司 Energy control system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102088201A (en) * 2010-12-09 2011-06-08 武汉奥新科技有限公司 Electrocar intelligent charging system with alternative energy source and energy storage device
CN102856939A (en) * 2011-06-30 2013-01-02 珠海银通新能源有限公司 Uninterrupted power system for household electric appliances
CN105244917A (en) * 2015-11-04 2016-01-13 江西宝象科技有限公司 Microgrid system having function of balancing energy and load
CN205141701U (en) * 2015-11-30 2016-04-06 珠海格力电器股份有限公司 Energy control system
CN105470972A (en) * 2016-01-16 2016-04-06 北京智慧小树苗科技有限公司 Intelligent household power consumption management system implemented based on solar power supply interface

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107947234A (en) * 2017-12-06 2018-04-20 北京嘉寓门窗幕墙股份有限公司 intelligent micro-grid
CN115102233A (en) * 2022-08-26 2022-09-23 广东卓维网络有限公司 Community power grid management system

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Inventor after: Cao Yongsheng

Inventor after: Li Demin

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Granted publication date: 20180515

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