CN203747438U - Integrated device of micro grid simulation platform - Google Patents
Integrated device of micro grid simulation platform Download PDFInfo
- Publication number
- CN203747438U CN203747438U CN201420048254.6U CN201420048254U CN203747438U CN 203747438 U CN203747438 U CN 203747438U CN 201420048254 U CN201420048254 U CN 201420048254U CN 203747438 U CN203747438 U CN 203747438U
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- Prior art keywords
- microgrid
- power generation
- torque
- wind power
- analog machine
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- 238000004088 simulation Methods 0.000 title claims abstract description 10
- 238000010248 power generation Methods 0.000 claims abstract description 44
- 238000004146 energy storage Methods 0.000 claims abstract description 13
- 230000005404 monopole Effects 0.000 claims description 9
- 230000004907 flux Effects 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000011160 research Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000011161 development Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
Classifications
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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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
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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
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/14—District level solutions, i.e. local energy networks
Abstract
An integrated device of a micro grid simulation platform comprises a distributed power supply device, a power utilization load device and a micro grid control system, wherein the distributed power supply device and the power utilization load device are electrically connected with the micro grid control system. The integrated device is simple in structure, can match the capacity of solar and/or wind power generation and/or energy storage components with the capacity of load, can effectively select a simulation device and establish a wind and solar supplementary micro grid model, and can realize solar and wind combined power generation at a random power; and a grid connected mode and an island mode can be realized to provide convenience for practical research on the micro grid, and provide beneficial reference for the establishment of the micro grid later.
Description
Technical field
The utility model relates to microgrid analog platform and builds problem, in particular to the capacity matching standard of distributed power source and load.
Background technology
Along with the continuous expansion of electrical network scale, the drawback of large electrical network highlights gradually, and meanwhile, the exhaustion gradually of conventional energy resource and day by day increasing the weight of of environmental pollution, attract people's attention all the more the microgrid research being formed by low capacity distributed power source.Microgrid has become modern power network development important trend, sets up microgrid operation analog platform, and research microgrid running status, is the important prerequisite of microgrid propagation and employment.
Microgrid is one of important form of distributed power generation, can effectively the energy and generating be combined.Along with social economy is fast-developing and natural resources is day by day rare, the development and utilization of novel energy seems more and more important.On the other hand, microgrid both can, by power distribution network and large-scale power grid parallel running, form the combined operation system of a large-scale power grid and small grids, can depart from again large electrical network islet operation, met local user's electricity needs.This operational mode flexibly of microgrid, has improved the utilization ratio of safety and reliability and the energy of mains supply.China is vast in territory, is again ocean big country, and the renewable and clean energy resource energy storage such as solar energy, wind energy are very abundant.Therefore, development new energy system (as island electric power system), setting up distributed micro-grid generating has become an Important Action of intelligent grid.For the better novel energy that develops, set up sound microgrid electric power system, the utility model is by setting up microgrid operation analog platform, be intended to utilize the generating of the various energy resources such as solar energy, wind energy form, adopt intelligent optimization disposition and management, the microgrid of application of advanced provides intelligent, diversified electricity consumption service, advocates the productive life pattern of energy-saving and environmental protection, low-carbon (LC).
But also there are some problems to be solved in microgrid, to set up an actual microgrid and go to study the high cost that these problems spend, the time cycle is longer, and common analogue simulation does not reach actual effect; Therefore, for the problem that has occurred in can better researching and solving microgrid in limited resource and also do not occurred, be better familiar with and improve microgrid correlation technique, needing the analogue means that can simulate actual microgrid.
Summary of the invention
Technical problem to be solved in the utility model is, overcomes the existing above-mentioned defect of prior art, and a kind of microgrid analog platform integrated apparatus that can carry out capacity matching between distributed power source and load is provided.
The utility model solves the technical scheme that its technical problem adopts, a kind of microgrid analog platform integrated apparatus, comprise distributed electrical source apparatus, power load device and microgrid control system, described distributed electrical source apparatus, power load device are all electrically connected with microgrid control system.
Further, described distributed power source comprises photovoltaic generation analog machine and/or wind power generation analog machine and/or energy-storage system.
Further, described power load device comprises flexible load equipment and/or living load equipment and/or indoor power consumption equipment.
Further, the generating total capacity of described photovoltaic power generation equipment and/or wind power plant is greater than the load total capacity of power load device.
Further, the total capacity of described energy-storage system is greater than the load total capacity of 2/3 power load device.
Further, described distributed power source is wind power generation analog machine, described wind power generation analog machine is connected with monopole asynchronous motor and storage battery respectively, described monopole asynchronous motor is electrically connected with torque controller and wind power generation analog machine controller successively, and described storage battery is electrically connected with inverter and AC load equipment successively;
The preferred PC of described wind power generation analog machine controller, controls parameter setting and the output torque of wind power generation simulation and calculates;
The preferred frequency converter of described torque controller, adopts the torque of Study on direct torque control technology control single-phase asynchronous motor, communicates by letter by modbus communication protocol, receives torque control signal, and return state information; Adopt and hand over orthogonal structure, by the estimation to the torque of wind power generation analog machine and magnetic flux, adjust the on off state of inverter, and then adjust torque and the magnetic flux of wind power generation analog machine, accurately control to realize torque, control single-phase asynchronous motor and rotate the corresponding analog mechanical torque of output;
The preferred single-phase DC permanent magnet synchronous wind generator of described wind power generation analog machine.
Further, described distributed power source is photovoltaic generation analog machine, described photovoltaic generation analog machine is electrically connected with controller for solar, and described controller for solar is electrically connected with inverter, storage battery and DC load equipment respectively, and described inverter is electrically connected with AC load equipment.
Further, the preferred 200W photovoltaic generation of described photovoltaic generation analog machine plate.
Compared with prior art, the utility model is simple in structure, photovoltaic, wind power generation can be mated with the capacity between energy-storage travelling wave tube and load, can effectively select analog machine and build wind light mutual complementing microgrid model, realize the solar energy of any power and the cogeneration of wind energy; Can carry out grid-connected pattern and island mode, the convenient research to actual microgrid, provides favourable reference to the foundation of microgrid from now on.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 is wind power generation simulation experiment platform in Fig. 1;
Fig. 3 is photovoltaic generation simulation experiment platform in Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
With reference to accompanying drawing 1, the present embodiment comprises distributed electrical source apparatus 2, power load device 3 and microgrid control system 1, and distributed electrical source apparatus 2, power load device 3 are all electrically connected with microgrid control system 1.
Distributed electrical source apparatus 2 comprises photovoltaic generation analog machine 2-1, wind power generation analog machine 2-2 and energy-storage system 2-3.
Power load device 3 comprises flexible load equipment 3-1, living load equipment 3-2 and indoor power consumption equipment 3-3.
The generating total capacity of photovoltaic generation analog machine 2-1 and/or wind power generation analog machine 2-2 is greater than the load total capacity of power load device 3.
The total capacity of energy-storage system 2-3 is greater than the load total capacity of 2/3 power load device 3.
When operation, if photovoltaic generation analog machine 2-1 and wind power generation analog machine 2-2 energy output are greater than the energy output of power load device 3 in microgrid, surplus power is stored in energy-storage system 2-3; If photovoltaic generation analog machine 2-1 and wind power generation analog machine 2-2 exert oneself when reducing or not exerting oneself, discharge the part electric energy of energy-storage system 2-3;
In the time of islet operation, by energy-storage system 2-3 is discharged and recharged to control, can realize the Real-time Balancing of power load device 3 in distributed electrical source apparatus 2 and microgrid, thereby ensure the stable islet operation of microgrid;
In the time that power distribution network breaks down, switch seamlessly to islet operation pattern, under this pattern, each distributed electrical source apparatus 2 needn't be out of service and continue generating, keeps the stable power-supplying to power load device 3 in microgrid.
Embodiment 2
With reference to accompanying drawing 2, the difference of the present embodiment and embodiment 1 is only: distributed electrical source apparatus 2 is wind power generation analog machine 2-2, wind power generation analog machine 2-2 is electrically connected with monopole asynchronous motor 6 and storage battery 8 respectively, monopole asynchronous motor 6 is electrically connected with torque controller 5 and wind power generation analog machine controller 4 successively, and storage battery 8 is electrically connected with inverter 9 and AC load equipment 10 successively;
Wind power generation analog machine controller 4 is PC, controls parameter setting, the output torque of wind power generation simulation and calculates;
Torque controller 5 is frequency converter, adopts the torque of Study on direct torque control technology control single-phase asynchronous motor 6, communicates by letter by modbus communication protocol, receives torque control signal, and return state information; Adopt and hand over orthogonal structure, by the estimation to the 2-2 torque of wind power generation analog machine and magnetic flux, adjust the on off state of inverter 9, and then torque and the magnetic flux of adjustment wind power generation analog machine 2-2, accurately control to realize torque, control monopole asynchronous motor 6 and rotate the corresponding analog mechanical torque of output;
Wind power generation analog machine 2-2 is single-phase DC permanent magnet synchronous wind generator.
When work, wind power generation analog machine controller 4 is calculated by the parameter setting of wind power generation analog machine 2-2, output torque and operational parameter control passes to torque controller 5, torque controller 5 adopts the torque of Study on direct torque control technology control monopole asynchronous motor 6, simultaneously by the torque to wind power generation analog machine 2-2 and the estimation of magnetic flux, adjust the on off state of inverter 9, and then torque and the magnetic flux of adjustment wind power generation analog machine 2-2, accurately control to realize torque; Torque controller 5 is controlled monopole asynchronous motor 6 and is rotated the corresponding analog mechanical torque of output, analog mechanical moment is through transmission system drives wind power generation analog machine 2-2 generating, the direct current that generator sends charges to storage battery 8, then is powered to AC load through inverter 9 by storage battery 8; The data Bian collection of wind power generation simulation experiment platform comprises rotating speed, electric current, voltage and the power of single-phase asynchronous motivation 6, electric current, voltage and the power of wind power generation analog machine 2-2, direct current input current, the voltage of inverter 9 and exchange the parameter such as electric current, voltage, power of output.
Embodiment 3
With reference to accompanying drawing 3, the difference of the present embodiment and embodiment 1 is only, distributed power source 2 is photovoltaic generation analog machine 2-1, photovoltaic generation analog machine 2-1 is electrically connected with controller for solar 12, controller for solar 12 is electrically connected with inverter 13, storage battery 15 and DC load equipment 16 respectively, and inverter 13 is electrically connected with AC load equipment 14.
Photovoltaic generation analog machine 2-1 is 200W photovoltaic generation plate 11.
When work, the electricity that 200W photovoltaic generation plate 11 sends can directly connect DC load equipment 16 after controller for solar 12, also can power through the backward AC load equipment 14 of inverter 13, in order to ensure power supply reliability, continuity, adopt storage battery 15 energy storage; Controller for solar 12 adopts the 15 state-of-charge controls of intelligent optimization storage battery.
Claims (10)
1. a microgrid analog platform integrated apparatus, is characterized in that, comprises distributed electrical source apparatus, power load device and microgrid control system, and described distributed electrical source apparatus, power load device are all electrically connected with microgrid control system.
2. microgrid analog platform integrated apparatus according to claim 1, is characterized in that, described distributed power source comprises photovoltaic generation analog machine and/or wind power generation analog machine and/or energy-storage system.
3. microgrid analog platform integrated apparatus according to claim 1 and 2, is characterized in that, described power load device comprises flexible load equipment and/or living load equipment and/or indoor power consumption equipment.
4. microgrid analog platform integrated apparatus according to claim 1 and 2, is characterized in that, the generating total capacity of described photovoltaic power generation equipment and/or wind power plant is greater than the load total capacity of power load device; The total capacity of described energy-storage system is greater than the load total capacity of 2/3 power load device.
5. microgrid analog platform integrated apparatus according to claim 1, it is characterized in that, described distributed power source is wind power generation analog machine, described wind power generation analog machine is connected with monopole asynchronous motor and storage battery respectively, described monopole asynchronous motor is electrically connected with torque controller and wind power generation analog machine controller successively, and described storage battery is electrically connected with inverter and AC load equipment successively;
6. microgrid analog platform integrated apparatus according to claim 5, is characterized in that, described wind power generation analog machine controller is PC, controls parameter setting, the output torque of wind power generation simulation and calculates;
7. according to the microgrid analog platform integrated apparatus described in claim 5 or 6, it is characterized in that, described torque controller is frequency converter, adopt the torque of Study on direct torque control technology control single-phase asynchronous motor, communicate by letter by modbus communication protocol, receive torque control signal, and return state information; Adopt and hand over orthogonal structure, by the estimation to the torque of wind power generation analog machine and magnetic flux, adjust the on off state of inverter, and then adjust torque and the magnetic flux of wind power generation analog machine, rotate the analog mechanical torque of output to realize accurate control single-phase asynchronous motor;
8. according to the microgrid analog platform integrated apparatus described in claim 5 or 6, it is characterized in that, described wind power generation analog machine is single-phase DC permanent magnet synchronous wind generator.
9. microgrid analog platform integrated apparatus according to claim 1, it is characterized in that, described distributed power source is photovoltaic generation analog machine, described photovoltaic generation analog machine is electrically connected with controller for solar, described controller for solar is electrically connected with inverter, storage battery and DC load equipment respectively, and described inverter is electrically connected with AC load equipment.
10. microgrid analog platform integrated apparatus according to claim 9, is characterized in that, described photovoltaic generation analog machine is 200W photovoltaic generation plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420048254.6U CN203747438U (en) | 2014-01-24 | 2014-01-24 | Integrated device of micro grid simulation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420048254.6U CN203747438U (en) | 2014-01-24 | 2014-01-24 | Integrated device of micro grid simulation platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203747438U true CN203747438U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420048254.6U Expired - Lifetime CN203747438U (en) | 2014-01-24 | 2014-01-24 | Integrated device of micro grid simulation platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN203747438U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517510A (en) * | 2014-12-24 | 2015-04-15 | 国家电网公司 | Photovoltaic power supply physical simulation system for dynamic simulation test |
| CN107317356A (en) * | 2017-07-14 | 2017-11-03 | 国网河南省电力公司内黄县供电公司 | Micro-capacitance sensor control device and power system |
-
2014
- 2014-01-24 CN CN201420048254.6U patent/CN203747438U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517510A (en) * | 2014-12-24 | 2015-04-15 | 国家电网公司 | Photovoltaic power supply physical simulation system for dynamic simulation test |
| CN107317356A (en) * | 2017-07-14 | 2017-11-03 | 国网河南省电力公司内黄县供电公司 | Micro-capacitance sensor control device and power system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: INFORMATION CENTER OF GUANGDONG POWER GRID CO., LT Free format text: FORMER OWNER: HUNAN UNIVERSITY Effective date: 20141103 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 410082 CHANGSHA, HUNAN PROVINCE TO: 510620 GUANGZHOU, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141103 Address after: 510620 Guangdong city of Guangzhou province Yuexiu District water Kong No. 6-8 Guangdong building Patentee after: INFORMATION CENTER OF GUANGDONG POWER GRID Co.,Ltd. Address before: 410082 Hunan province Changsha Lushan Road No. 2 Patentee before: Hunan University |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
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| CX01 | Expiry of patent term |