CN107196305A - A kind of micro grid control system of optimization - Google Patents
A kind of micro grid control system of optimization Download PDFInfo
- Publication number
- CN107196305A CN107196305A CN201710429373.4A CN201710429373A CN107196305A CN 107196305 A CN107196305 A CN 107196305A CN 201710429373 A CN201710429373 A CN 201710429373A CN 107196305 A CN107196305 A CN 107196305A
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- converter
- control system
- inverter
- grid control
- micro grid
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- 238000005457 optimization Methods 0.000 title claims abstract description 31
- 230000005611 electricity Effects 0.000 claims abstract description 35
- 238000004146 energy storage Methods 0.000 claims abstract description 34
- 230000000694 effects Effects 0.000 claims abstract description 6
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 230000009466 transformation Effects 0.000 claims description 8
- 238000010248 power generation Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
Classifications
-
- 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
- H02J3/02—Circuit arrangements for ac mains or ac distribution networks using a single network for simultaneous distribution of power at different frequencies; using a single network for simultaneous distribution of ac power and of dc power
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- H02J3/382—
-
- 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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/388—Islanding, i.e. disconnection of local power supply from the network
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of micro grid control system of optimization, including power distribution network, transformer, switch, load, converter A, direct grid-connected generator unit, converter B, DG electricity generation system, inverter, energy storage device, the power distribution network is connected with transformer, the transformer is connected with switch, the switch connects the load, converter A, converter B, inverter by ac bus, the converter A connections direct grid-connected generator unit, the converter B connections DG electricity generation systems, the inverter is connected with the energy storage device.The micro grid control system of the optimization of the present invention is simple in construction, reasonable in design, and it is convenient to realize, service life is long, and practical, using effect is good, is easy to promote the use of.
Description
Technical field
The invention belongs to microgrid control system technical field, more particularly to a kind of micro-capacitance sensor control system for exchanging optimization
System.
Background technology
The appearance of distributed power generation solves non-renewable energy resources and increasingly reduces disadvantage with large-scale power grid centrally connected power supply very well
End, although distributed power source has many good qualities, in failure, distributed power source must be cut off from network at once, and this is just big
The big efficiency for limiting distributed power source is played, and distributed power source composition has then been coordinated in the appearance of microgrid well, can with it is big
Power network is incorporated into the power networks, when bulk power grid breaks down, piconet island operation, stands alone as load and powers；Network structure is sent out in microgrid
When changing or failure, how to coordinate relation between each micro battery, under any circumstance can be to load with guarantee
Quality supply, this difficult point is exactly the crucial part of microgrid control technology；Being incorporated into the power networks for microgrid, have impact on master to a certain extent
Net quality, generates voltage pulsation, dodges side etc., requirement of this kind of sensitive equipment of computer, microprocessor to the quality of power supply
Compare harsh, even the Voltage Drop in several cycles will all influence the normal work of this kind equipment, cause huge to society
Economic loss, therefore, control and improvement to the quality of power supply are just particularly important.
The content of the invention
Present invention aims at a kind of micro grid control system of optimization is proposed, sent out with solving network structure in micro power network
When changing or failure, how to coordinate relation between each micro battery, under any circumstance can be to load with guarantee
The problem of quality supply.
A kind of micro grid control system of optimization, including power distribution network, transformer, switch, load, converter A, direct grid-connected
Generator unit, converter B, DG electricity generation system, inverter, energy storage device, the power distribution network are connected with transformer, the transformation
Device is connected with switch, and the switch connects the load, converter A, converter B, inverter, described turn by ac bus
The parallel operation A connections direct grid-connected generator unit, the converter B connections DG electricity generation systems, the inverter and institute
State energy storage device connection.
Further, the transformer is high frequency transformer.
Further, the switch is relay.
Further, the converter A and converter B are AC/AC converters.
Further, the DG electricity generation systems include internal combustion engine power generating system, generation system of micro turbine, fuel electricity
One or more in pond electricity generation system, solar power system, wind power generation system.
Further, the generation system of micro turbine includes gas turbine, regenerator, magneto.
Further, described gas turbine includes being fixed together compressor casing, middle casing, turbine casing,
Combustion chamber and rotor-support-foundation system.
Further, the solar power system include solar panel, direct current optimizer and inverter, it is described too
Positive energy cell panel and direct current optimizer are N number of, and the number of the inverter is M, the output of each solar panel
A direct current optimizer is connected, the major function of direct current optimizer is to follow the trail of the maximum power point of solar panel and stablize defeated
Go out the output-parallel of the effect of electric current, the power output of realization maximization solar panel, and all direct current optimizers one
Rise, build low-voltage direct bus, hereinafter referred dc bus, the input of M inverter is connected in parallel, input is connected in parallel on one
The M inverter risen extracts electric current from dc bus, and the output of M inverter is also parallel to same power network.
Further, the inverter is AC/DC converters.
Further, the energy storage device is power-type energy storage device.
The beneficial effect that the present invention is compared with the prior art includes：
The micro grid control system of the optimization of the present invention is simple in construction, reasonable in design, and it is convenient to realize, using simple operation,
Can be by switching the switching for controlling micro power network to be incorporated into the power networks mode or decoupled mode at any time, power supply at points of common connection
System is reliable and stable, and service life is long, practical, and using effect is good, is easy to promote the use of.
Brief description of the drawings
Fig. 1 is the micro grid control system structural representation of the optimization of the present invention.
Embodiment
Embodiment 1
A kind of micro grid control system of optimization, including it is power distribution network 1, transformer 2, switch 3, load 4, converter A 5, straight
Connect the unit 6 that generates electricity by way of merging two or more grid systems, converter B 7, DG electricity generation systems 8, inverter 9, energy storage device 10, the power distribution network 1 and transformation
Device 2 is connected, and the transformer 23 be connected with switch, it is described switch 3 by ac bus connect the load 4, converter A 5,
Converter B 7, inverter 9, the converter A 5 connect the direct grid-connected generator unit 6, and the converter B 7 is connected
The DG electricity generation systems 8, the inverter 9 is connected with the energy storage device 10.
The transformer 2 is high frequency transformer.
The switch 3 is relay.
The converter A 5 and converter B 7 are AC/AC converters.
The DG electricity generation systems 8 are internal combustion engine power generating system.
The inverter 9 is AC/DC converters.
The energy storage device 10 is power-type energy storage device.
The micro grid control system that the micro grid control system of the optimization optimizes for exchange.
Embodiment 2
A kind of micro grid control system of optimization, including it is power distribution network 1, transformer 2, switch 3, load 4, converter A 5, straight
Connect the unit 6 that generates electricity by way of merging two or more grid systems, converter B 7, DG electricity generation systems 8, inverter 9, energy storage device 10, the power distribution network 1 and transformation
Device 2 is connected, and the transformer 23 be connected with switch, it is described switch 3 by ac bus connect the load 4, converter A 5,
Converter B 7, inverter 9, the converter A 5 connect the direct grid-connected generator unit 6, and the converter B 7 is connected
The DG electricity generation systems 8, the inverter 9 is connected with the energy storage device 10.
The transformer 2 is high frequency transformer.
The switch 3 is relay.
The converter A 5 and converter B 7 are AC/AC converters.
The DG electricity generation systems 8 are generation system of micro turbine.
The generation system of micro turbine includes gas turbine, regenerator, magneto.
Described gas turbine is including the compressor casing being fixed together, middle casing, turbine casing, combustion chamber and turns
Subsystem.
The inverter 9 is AC/DC converters.
The energy storage device 10 is power-type energy storage device.
The micro grid control system that the micro grid control system of the optimization optimizes for exchange.
Embodiment 3
A kind of micro grid control system of optimization, including it is power distribution network 1, transformer 2, switch 3, load 4, converter A 5, straight
Connect the unit 6 that generates electricity by way of merging two or more grid systems, converter B 7, DG electricity generation systems 8, inverter 9, energy storage device 10, the power distribution network 1 and transformation
Device 2 is connected, and the transformer 23 be connected with switch, it is described switch 3 by ac bus connect the load 4, converter A 5,
Converter B 7, inverter 9, the converter A 5 connect the direct grid-connected generator unit 6, and the converter B 7 is connected
The DG electricity generation systems 8, the inverter 9 is connected with the energy storage device 10.
The transformer 2 is high frequency transformer.
The switch 3 is relay.
The converter A 5 and converter B 7 are AC/AC converters.
The DG electricity generation systems 8 are fuel cell generation.
The inverter 9 is AC/DC converters.
The energy storage device 10 is power-type energy storage device.
The micro grid control system that the micro grid control system of the optimization optimizes for exchange.
Embodiment 4
A kind of micro grid control system of optimization, including it is power distribution network 1, transformer 2, switch 3, load 4, converter A 5, straight
Connect the unit 6 that generates electricity by way of merging two or more grid systems, converter B 7, DG electricity generation systems 8, inverter 9, energy storage device 10, the power distribution network 1 and transformation
Device 2 is connected, and the transformer 23 be connected with switch, it is described switch 3 by ac bus connect the load 4, converter A 5,
Converter B 7, inverter 9, the converter A 5 connect the direct grid-connected generator unit 6, and the converter B 7 is connected
The DG electricity generation systems 8, the inverter 9 is connected with the energy storage device 10.
The transformer 2 is high frequency transformer.
The switch 3 is relay.
The converter A 5 and converter B 7 are AC/AC converters.
The DG electricity generation systems 8 are solar power system.
The solar power system includes solar panel, direct current optimizer and inverter, the solar cell
Plate and direct current optimizer are N number of, and the number of the inverter is M, and the output of each solar panel connects one
Direct current optimizer, the major function of direct current optimizer is to follow the trail of the maximum power point of solar panel and stablize output current
The output-parallel of effect, the power output of realization maximization solar panel, and all direct current optimizers together, is built
Low-voltage direct bus, hereinafter referred dc bus, the input of M inverter is connected in parallel, and inputs M be connected in parallel inverse
Become device and electric current is extracted from dc bus, and the output of M inverter is also parallel to same power network.
The inverter 9 is AC/DC converters.
The energy storage device 10 is power-type energy storage device.
The micro grid control system that the micro grid control system of the optimization optimizes for exchange.
Embodiment 5
A kind of micro grid control system of optimization, including it is power distribution network 1, transformer 2, switch 3, load 4, converter A 5, straight
Connect the unit 6 that generates electricity by way of merging two or more grid systems, converter B 7, DG electricity generation systems 8, inverter 9, energy storage device 10, the power distribution network 1 and transformation
Device 2 is connected, and the transformer 23 be connected with switch, it is described switch 3 by ac bus connect the load 4, converter A 5,
Converter B 7, inverter 9, the converter A 5 connect the direct grid-connected generator unit 6, and the converter B 7 is connected
The DG electricity generation systems 8, the inverter 9 is connected with the energy storage device 10.
The transformer 2 is high frequency transformer.
The switch 3 is relay.
The converter A 5 and converter B 7 are AC/AC converters.
The DG electricity generation systems 8 are internal combustion engine power generating system, generation system of micro turbine.
The generation system of micro turbine includes gas turbine, regenerator, magneto.
Described gas turbine is including the compressor casing being fixed together, middle casing, turbine casing, combustion chamber and turns
Subsystem.
The inverter 9 is AC/DC converters.
The energy storage device 10 is power-type energy storage device.
The micro grid control system that the micro grid control system of the optimization optimizes for exchange.
Embodiment 6
A kind of micro grid control system of optimization, including it is power distribution network 1, transformer 2, switch 3, load 4, converter A 5, straight
Connect the unit 6 that generates electricity by way of merging two or more grid systems, converter B 7, DG electricity generation systems 8, inverter 9, energy storage device 10, the power distribution network 1 and transformation
Device 2 is connected, and the transformer 23 be connected with switch, it is described switch 3 by ac bus connect the load 4, converter A 5,
Converter B 7, inverter 9, the converter A 5 connect the direct grid-connected generator unit 6, and the converter B 7 is connected
The DG electricity generation systems 8, the inverter 9 is connected with the energy storage device 10.
The transformer 2 is high frequency transformer.
The switch 3 is relay.
The converter A 5 and converter B 7 are AC/AC converters.
The DG electricity generation systems 8 are internal combustion engine power generating system, solar power system, wind power generation system.
The solar power system includes solar panel, direct current optimizer and inverter, the solar cell
Plate and direct current optimizer are N number of, and the number of the inverter is M, and the output of each solar panel connects one
Direct current optimizer, the major function of direct current optimizer is to follow the trail of the maximum power point of solar panel and stablize output current
The output-parallel of effect, the power output of realization maximization solar panel, and all direct current optimizers together, is built
Low-voltage direct bus, hereinafter referred dc bus, the input of M inverter is connected in parallel, and inputs M be connected in parallel inverse
Become device and electric current is extracted from dc bus, and the output of M inverter is also parallel to same power network.
The inverter 9 is AC/DC converters.
The energy storage device 10 is power-type energy storage device.
The micro grid control system that the micro grid control system of the optimization optimizes for exchange.
It would be recognized by those skilled in the art that it is possible that numerous accommodations are made to above description, so embodiment and attached
Figure is intended merely to describe particular implementation.
Although having been described above and describing the example embodiment for being counted as the present invention, it will be apparent to those skilled in the art that
It can be variously modified and replaced, without departing from the spirit of the present invention.Furthermore it is possible to make many modifications with by spy
Condition of pledging love is fitted to the religious doctrine of the present invention, without departing from invention described herein central concept.So, the present invention is unrestricted
In specific embodiment disclosed here, but the present invention all embodiments that may also include belonging to the scope of the invention and its equivalent
Thing.
Claims (10)
1. a kind of micro grid control system of optimization, it is characterised in that including power distribution network, transformer, switch, load, converter
A, direct grid-connected generator unit, converter B, DG electricity generation system, inverter, energy storage device, the power distribution network connect with transformer
Connect, the transformer is connected with switch, and the switch connects the load, converter A, converter B, inversion by ac bus
Device, the converter A connections direct grid-connected generator unit, the converter B connections DG electricity generation systems are described inverse
Become device to be connected with the energy storage device.
2. the micro grid control system of optimization according to claim 1, it is characterised in that the transformer is high frequency transformation
Device.
3. the micro grid control system of optimization according to claim 1, it is characterised in that the switch is relay.
4. the micro grid control system of optimization according to claim 1, it is characterised in that the converter A and converter B
For AC/AC converters.
5. the micro grid control system of optimization according to claim 1, it is characterised in that the DG electricity generation systems include interior
Fuel engine power generation system, generation system of micro turbine, fuel cell generation, solar power system, wind power generation system
One or more in system.
6. the micro grid control system of optimization according to claim 5, it is characterised in that the miniature gas turbine generates electricity
System includes gas turbine, regenerator, magneto.
7. the micro grid control system of optimization according to claim 6, it is characterised in that described gas turbine includes solid
Compressor casing, middle casing, turbine casing, combustion chamber and the rotor-support-foundation system being connected together.
8. the micro grid control system of optimization according to claim 5, it is characterised in that the solar power system bag
Include solar panel, direct current optimizer and inverter, solar panel and the direct current optimizer be it is N number of, it is described inverse
Become the number of device into M, the output of each solar panel connects a direct current optimizer, the main work(of direct current optimizer
It can realize for following the trail of the maximum power point of solar panel and stablizing the effect of output current and maximize solar panel
Power output, and all direct current optimizers output-parallel together, build low-voltage direct bus, hereinafter referred direct current is total
Line, the input of M inverter is connected in parallel, and inputs M inverter being connected in parallel and electric current is extracted from dc bus, and
The output of M inverter is also parallel to same power network.
9. the micro grid control system of optimization according to claim 1, it is characterised in that the inverter is AC/DC
Converter.
10. the micro grid control system of optimization according to claim 1, it is characterised in that the energy storage device is power
Type energy storage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710429373.4A CN107196305A (en) | 2017-06-08 | 2017-06-08 | A kind of micro grid control system of optimization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710429373.4A CN107196305A (en) | 2017-06-08 | 2017-06-08 | A kind of micro grid control system of optimization |
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| Publication Number | Publication Date |
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| CN107196305A true CN107196305A (en) | 2017-09-22 |
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| CN201710429373.4A Pending CN107196305A (en) | 2017-06-08 | 2017-06-08 | A kind of micro grid control system of optimization |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565855A (en) * | 2018-04-04 | 2018-09-21 | 朱倩 | Island emergency power system and emergency service method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202851154U (en) * | 2012-10-24 | 2013-04-03 | 哈尔滨东安发动机（集团）有限公司 | Micro gas turbine generation device |
| CN104821773A (en) * | 2015-05-05 | 2015-08-05 | 无锡联动太阳能科技有限公司 | Novel solar power generation system |
| CN206023379U (en) * | 2016-09-07 | 2017-03-15 | 三峡大学 | A kind of campus micro-grid system |
| CN106786730A (en) * | 2016-11-25 | 2017-05-31 | 云南电网有限责任公司电力科学研究院 | A kind of new microgrid topological structure for extensive electric automobile |
-
2017
- 2017-06-08 CN CN201710429373.4A patent/CN107196305A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202851154U (en) * | 2012-10-24 | 2013-04-03 | 哈尔滨东安发动机（集团）有限公司 | Micro gas turbine generation device |
| CN104821773A (en) * | 2015-05-05 | 2015-08-05 | 无锡联动太阳能科技有限公司 | Novel solar power generation system |
| CN206023379U (en) * | 2016-09-07 | 2017-03-15 | 三峡大学 | A kind of campus micro-grid system |
| CN106786730A (en) * | 2016-11-25 | 2017-05-31 | 云南电网有限责任公司电力科学研究院 | A kind of new microgrid topological structure for extensive electric automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108565855A (en) * | 2018-04-04 | 2018-09-21 | 朱倩 | Island emergency power system and emergency service method |
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Application publication date: 20170922 |
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