CN105470982B - The intelligent micro-grid generated power control system and control method of a kind of energy storage containing medium - Google Patents
The intelligent micro-grid generated power control system and control method of a kind of energy storage containing medium Download PDFInfo
- Publication number
- CN105470982B CN105470982B CN201510993996.5A CN201510993996A CN105470982B CN 105470982 B CN105470982 B CN 105470982B CN 201510993996 A CN201510993996 A CN 201510993996A CN 105470982 B CN105470982 B CN 105470982B
- Authority
- CN
- China
- Prior art keywords
- grid
- photo
- power
- wind
- micro
- 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.)
- Active
Links
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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
-
- 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
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
-
- 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
- H02J3/381—Dispersed generators
-
- 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
-
- 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
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
-
- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
-
- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/28—The renewable source being wind energy
-
- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/40—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation wherein a plurality of decentralised, dispersed or local energy generation technologies are operated simultaneously
-
- 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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/10—The network having a local or delimited stationary reach
-
- 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
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Wind Motors (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The intelligent micro-grid generated power control system and control method of a kind of energy storage containing medium, control system mainly include wind and solar hybrid generating system, the photo-thermal power generation unit with medium energy storage and microgrid power control system etc..The control method includes：The power instruction that microgrid centralized-control center real-time reception microgrid dispatch automated system transmits, and the generated output of wind and solar hybrid generating system is acquired in real time, micro-capacitance sensor optimal power allocation scheme is calculated by Energy Management System.Coordination control is carried out by the generated output to the heat accumulation of heat reservoir, exotherm rate and photo-thermal power generation unit according to the power allocation scheme, that realizes micro-capacitance sensor generated output stablizes output.The control method can overcome that wind energy caused by external environment changes, solar power generation power be uncontrollable, the discontinuous and fluctuation technological deficiencies such as greatly, stablize the generated output of micro-capacitance sensor, new energy electric energy is dissolved to greatest extent, effectively solves " abandoning wind ", " abandoning light " phenomenon in new energy.
Description
Technical field
The application belongs to distributed power generation and micro-capacitance sensor technical field, more particularly to a kind of wind-powered electricity generation, photovoltaic, photo-thermal and great Rong
Measure the intelligent micro-grid control system and control method of medium heat accumulation.
Background technology
New energy using wind-powered electricity generation, photovoltaic generation as representative achieves huge development in recent years.It is but changeable by weather condition
Influence, generated output fluctuation is larger, and the direct grid-connected for being especially embodied in extensive centralized generation of electricity by new energy field can be to electricity
Net generates larger impact.Therefore, there is " abandoning wind ", " abandoning light " phenomenon in domestic many areas.To solve this phenomenon, China is just
The micro-grid system that power supply in a distributed manner is core is greatly developed, realizes the on-site elimination of wind-powered electricity generation, photovoltaic generation.Micro-capacitance sensor be by
The small low-voltage distribution system of distributed generation resource, energy storage and load composition, as the effective carrier of distributed generation resource, can both realize
The self-balancing of electricity inside micro-capacitance sensor, and the simultaneously transmitted in both directions power that can be connected with main power grid.
It, can be respectively to distributed generation resource, microgrid load, storage in order to stabilize the fluctuation of generation of electricity by new energy power in micro-capacitance sensor
Energy system carries out coordination control, to maintain the balance of microgrid power.And distributed generation resource and microgrid are born in practical applications
The control of lotus inevitably results in and abandons wind, abandons light and appearance phenomena such as microgrid removal of load.And by the way that energy-storage system is controlled to stabilize
The method of power swing can effectively solve the above problems.Current common microgrid energy storage mode is mainly chemical energy storage and machine
Tool energy storage.Wherein chemical energy storage, such as batteries to store energy, super capacitor energy-storage mould method, controllably make, but total energy storage capacity has
It limits, is of high cost；Mechanical energy storage, such as the methods of flywheel energy storage, water-storage, though stored energy capacitance is big, energy conversion efficiency is low
And it is limited by factors such as geographical conditions, technologies.The application of medium energy-storage units, the particularly photo-thermal containing medium heat storage units
The gradually maturation of generating set, becomes the new direction that micro-capacitance sensor energy storage in recent years utilizes, it is advantageous that heat-storing device can be big
Amount stores thermal energy and has good schedulability, and wherein Steam Turbine has good controllability, and its heat to electricity conversion part
Identical with conventional thermal power generation unit, the technology for having relative maturity is used, and is before most developing in renewable energy power generation
One of forms of electricity generation of scape.If by itself and wind-powered electricity generation, photovoltaic distributed power supply fit applications, wind-force, solar energy can be effectively solved
The problem of generated output fluctuation is larger, the novel micro-capacitance sensor of composition is with control is flexible, output is stablized, cost of electricity-generating is low, the energy
The advantages that utilization rate is high.
Invention content
The purpose of the application is to provide a kind of photo-thermal power generation unit for utilizing the energy storage containing medium and stabilizes micro-capacitance sensor generated output
The control system and control method of fluctuation.
To solve the technical problem, the application specifically uses following technical scheme：
A kind of intelligent micro-grid generated power control system of energy storage containing medium, the intelligent micro-grid are opened by main power grid
Pass is connected with power distribution network, is connected by the grid-connected switch of load with microgrid load, it is characterised in that：
The intelligent micro-grid includes wind and solar hybrid generating system, photo-thermal power generation unit, medium heat reservoir, power control
System；
The wind and solar hybrid generating system is connected to intelligent micro-grid by the grid-connected switch of wind and solar hybrid generating system and exports
Busbar turns thermal switch by electricity and is connected to medium heat reservoir；
The photo-thermal power generation unit includes photo-thermal steam turbine and photo-thermal power generation machine, and photo-thermal steam turbine drives photo-thermal power generation machine
Power generation, the medium heat reservoir and photo-thermal Jing Chang are connected to the input terminal of photo-thermal steam turbine, and the photo-thermal power generation machine leads to
It crosses photo-thermal power generation set grid-connection switch and is connected to intelligent micro-grid output busbar；
The power control system monitors the power of wind and solar hybrid generating system, microgrid load and photo-thermal power generation unit in real time
Value receives the power instruction that micro-capacitance sensor dispatch automated system issues, optimization distribution wind and solar hybrid generating system, photo-thermal power generation machine
The generated energy of group and the quantity of heat storage of medium heat reservoir.
The present invention still further preferably includes following scheme：
Wind and solar hybrid generating system includes the output terminal of multiple Wind turbines and photovoltaic unit, Wind turbines and photovoltaic unit
Electricity is connected to by step-up transformer after tandem to wind and solar hybrid generating system busbar and turns thermal switch and wind and solar hybrid generating system
Grid-connected switch.
The power control system first ensures that wind and solar hybrid generating system preferentially generates electricity, by adjusting photo-thermal power generation unit
Heat accumulation, the exotherm rate of output and medium heat reservoir stablize the generated output of micro-capacitance sensor.
Disclosed herein as well is a kind of intelligent micro-grid generated output control methods of energy storage containing medium, it is characterised in that：
The power instruction that intelligent micro-grid power control system real-time reception micro-capacitance sensor dispatch automated system issues, and it is real
When acquisition wind and solar hybrid generating system, photo-thermal power generation unit generated output, detect medium heat reservoir quantity of heat storage, to medium
Heat accumulation, exotherm rate and the solar-thermal generating system of heat reservoir, the generated output of wind and solar hybrid generating system carry out coordination control,
That realizes micro-capacitance sensor generated output stablizes output.
The intelligent micro-grid generated output control method of the energy storage containing medium includes the following steps：
(1) operating status of the grid-connected switch of intelligent micro-grid power control system intelligent micro-grid master, when the grid-connected switch of master
During disconnection, the intelligent micro-grid enters isolated power grid pattern, enters step (2)；When the grid-connected switch input of master, the intelligence
Micro-capacitance sensor enters the pattern that is incorporated into the power networks, and enters step (5)；
(2) the grid-connected switch of wind and solar hybrid generating system is disconnected；
(3) quantity of heat storage of medium heat reservoir is detected, electricity is put into if quantity of heat storage is less than the limit value being previously set and is turned
The generated output of wind and solar hybrid generating system is stored in medium heat reservoir by thermal switch, subsequently into step (4)；If storage
Heat then disconnects electricity more than the limit value being previously set and turns thermal switch, and wind and solar hybrid generating system is stopped transport, subsequently into step
(4)；
(4) the medium heat reservoir pushes photo-thermal steam turbine to drive by the heat exchange to high-temperature steam in medium
Photo-thermal power generation machine generates electricity, and the intelligent micro-grid power control system monitors the variation of microgrid load power and adjusts photo-thermal in real time
The output of system maintains the electric power of intelligent micro-grid to balance；
(5) the grid-connected switch of wind and solar hybrid generating system is put into；
(6) intelligent micro-grid power control system acquires wind and solar hybrid generating system, microgrid load and photo-thermal power generation in real time
The performance number of unit receives the plan generated output instruction that micro-capacitance sensor dispatch automated system issues；
(7) when the plan generated output that automation system for the power network dispatching issues is more than the real-time hair of wind and solar hybrid generating system
(8) during electrical power, are entered step, are otherwise entered step (9)；
(8) intelligent micro-grid power control system, which calculates photo-thermal power generation unit, needs increased generated output, and pass through PI
Controller control photo-thermal power generation unit, which increases to contribute, maintains the balance of the grid-connected power of intelligent micro-grid and the plan generated output；
(9) intelligent micro-grid power control system, which calculates photo-thermal power generation unit, needs reduced generated output, and pass through PI
Controller control photo-thermal power generation unit, which is reduced, contributes；When photo-thermal power generation unit needs reduced generated output to have exceeded photo-thermal power generation
During the regulating power of unit, input electricity turns thermal switch and the generated output of extra wind and solar hybrid generating system is stored in medium storage
In hot systems.
The application has technique effect beneficial below：The microgrid power control method is suitable for the grid-connected fortune of micro-capacitance sensor
Row and isolated power grid both of which, can meet real-time dispatching of power netwoks requirement and microgrid workload demand, effectively inhibit micro-capacitance sensor
Power swing and taken into account power supply reliability, it is effective to solve to occur being " abandoning wind ", " abandoning light " during distributed new is grid-connected
Phenomenon, can ensure micro-capacitance sensor it is long when safe and stable operation, extend the service life of equipment.
Description of the drawings
Fig. 1 is the intelligent micro-grid generated power control system framework map of the application energy storage containing medium；
Fig. 2 is micro-capacitance sensor generated output PI controllers；
Fig. 3 is the intelligent micro-grid generated output control method flow chart of the application energy storage containing medium.
Specific embodiment：
Technical scheme of the present invention is described in further detail below by embodiment and with reference to Figure of description.
The application using wind-powered electricity generation shown in FIG. 1, photovoltaic, photo-thermal joint stable electric generation micro-grid system as embodiment.So
And the present embodiment can be presented as a variety of different forms, be not construed as the exemplary embodiment that limitation is told herein.And
These embodiments are to provide, so as to which the present invention be made more fully to be communicated to those skilled in the art.
Micro-grid system in embodiment, one time topological structure is：
Wind and solar hybrid generating system is connected to the defeated of 10kV micro-capacitance sensors by shared a step-up transformer and breaker
Go out busbar；The luminous energy received is converted to high-temperature steam and is conveyed to photo-thermal steam turbine and medium energy-storage system, band by photo-thermal Jing Chang
The generator terminal of the photo-thermal power generation unit of medium energy storage is connected to the output busbar of 10kV micro-capacitance sensors by a breaker；Micro-capacitance sensor it is defeated
Go out busbar by grid-connected breaker with the main power grids of 35kV to be connected, be connected by load breaker with the power load of micro-capacitance sensor；It is micro-
Power grid output busbar turns heat transformer by electricity with the hot equipment of electricity turn and electricity turns thermal switch and is coupled to each other, by wind light mutual complementing power generation system
System it is superfluous cannot grid-connected electric energy be converted into thermal energy storage.
Wind and solar hybrid generating system rated generation capacity is 15MW in embodiment；The thermal power capacity of photo-thermal Jing Chang is
30MW；Photo-thermal power generation machine rated capacity is 15MW, and it is adjusting unit rated capacity per minute to increase and decrease the fastest of output
5%, i.e., maximal regulated 0.75MW power per minute；Medium heat reservoir is divided into 3 heat storage cans, the heat storage capacity of each heat storage can
It is designed as 240MWh, total quantity of heat storage was for photo-thermal power generation machine full power generator operation 48 hours；Electricity turns the heater in hot systems
Close to purely resistive load, fast response time can quick consumption of electric power.Each the heating power of heat storage can internal heater is
5MW, heating minimum power regulation stall are 1MW, and the maximum heating power simultaneously of heat reservoir is 15MW, the heat accumulation of each heat storage can
Disconnection electricity turns thermal switch after capacity reaches 240MWh.
Intelligent micro-grid generated output control method flow chart for the energy storage of the invention containing medium as shown in Figure 3, it is described
Intelligent micro-grid generated output control method includes the following steps：
(1) operating status of the grid-connected switch of intelligent micro-grid master is monitored, when the grid-connected switch of master disconnects, the micro- electricity of intelligence
Net enters isolated power grid pattern, enters step (2)；When the grid-connected switch input of master, the intelligent micro-grid, which enters, to be incorporated into the power networks
Pattern enters step (5)；
(2) the grid-connected switch of wind and solar hybrid generating system is disconnected；
(3) quantity of heat storage of medium heat reservoir is detected, if quantity of heat storage is less than the heat storage capacity of each heat storage can 240MWh
It then puts into electricity and turns thermal switch, the generated output of wind and solar hybrid generating system is stored in medium heat reservoir, subsequently into step
Suddenly (4)；Electricity, which is disconnected, if heat storage capacity of the quantity of heat storage more than each heat storage can 240MWh turns thermal switch, wind and solar hybrid generating system
It stops transport, subsequently into step (4)；
(4) medium heat reservoir in heat exchange to high-temperature steam, will push photo-thermal steam turbine to drive photo-thermal power generation machine hair
Electricity, intelligent micro-grid power control system monitor the situation of change of micro-capacitance sensor internal loading power and adjust going out for opto-thermal system in real time
Power maintains the balance of the power load of intelligent micro-grid.
(5) the grid-connected switch of wind and solar hybrid generating system is put into；
(6) intelligent micro-grid power control system acquires wind and solar hybrid generating system, microgrid load and photo-thermal power generation in real time
The performance number of unit receives the plan generated output instruction that micro-capacitance sensor dispatch automated system issues.Assuming that main grid requirements
Micro-capacitance sensor stablizes grid-connected electricity as 20MW, and the power swing range of permission is ± 3%, i.e. ± 0.6MW.A certain moment wind light mutual complementing
The generated output of electricity generation system is 15MW, and the generated output of photo-thermal power generation unit is 5MW, then micro-grid connection general power is
20MW.Lead to the generated output of wind-light complementary system when weather condition changes with 0.75MW/min stability bandwidths downward wave suddenly
When dynamic, after power control system monitors to wind-solar system power increase, enter step (8)；
(7) generated output of wind-light complementary system is caused to be dashed forward with the stability bandwidth of 1.5MW/min when weather condition changes
When so fluctuating upwards, after power control system monitors to wind-solar system power increase, enter step (8)；The maximum of photo-thermal unit
Ramp Rate is 0.75MW/min, can not only adjust, enter step (9) by photo-thermal power generation machine after more than the rate；
(8) intelligent micro-grid power control system calculates the variation of power according to the difference of unscheduled power and current power
Amount after the adjustings of PI controllers shown in Fig. 2, by assigning control instruction, constantly increases the output of photo-thermal power generation machine, with stabilization
The output power of micro-capacitance sensor.The maximum Ramp Rate of photo-thermal unit is 0.75MW/min, i.e., can maintain micro-grid connection at this time
Power is in 20MW.
(9) intelligent micro-grid power control system, which calculates photo-thermal power generation unit, needs reduced generated output, and pass through PI
Controller control photo-thermal power generation unit, which is reduced, contributes；When photo-thermal power generation unit needs reduced generated output to have exceeded photo-thermal power generation
During the regulating power 0.75MW/min of unit, input electricity turns thermal switch and stores up the generated output of extra wind and solar hybrid generating system
It is stored in medium heat reservoir, maintains micro-grid connection power in 20MW.Since heater can quickly consume superfluous electric energy, only
Want heat storage can still can storage power, the generation abandoned wind, abandon optical phenomenon would not be caused.
Applicant is described in detail and describes to the embodiment of the present invention with reference to Figure of description, but this field skill
Art personnel are it should be understood that above example is only the preferred embodiments of the invention, and explanation is intended merely to help reader in detail
More fully understand spirit of the invention, and it is not intended to limit the protection scope of the present invention, on the contrary, any invention essence based on the present invention
Any improvement or modification that god is made should all be fallen within the scope and spirit of the invention.
Claims (1)
1. a kind of intelligent micro-grid generated output control method of energy storage containing medium, intelligent micro-grid power control system connect in real time
The power instruction that micro-capacitance sensor dispatch automated system issues is received, and acquires wind and solar hybrid generating system, photo-thermal power generation unit in real time
Generated output, detect medium heat reservoir quantity of heat storage, to the heat accumulation of medium heat reservoir, exotherm rate and photo-thermal power generation machine
Group, wind and solar hybrid generating system generated output carry out coordination control, that realizes micro-capacitance sensor generated output stablizes output；Wherein,
Medium heat reservoir is connected with photo-thermal power generation machine, and the photothermal complementary electricity generation system passes through the grid-connected switch of wind and solar hybrid generating system
Intelligent micro-grid output busbar is connected to, thermal switch is turned by electricity and is connected to medium heat reservoir；It is characterized in that：The control
Method includes the following steps：
(1) operating status of the grid-connected switch of intelligent micro-grid power control system intelligent micro-grid master, when the grid-connected switch of master disconnects
When, the intelligent micro-grid enters isolated power grid pattern, enters step (2)；When the grid-connected switch input of master, the micro- electricity of intelligence
Net enters the pattern that is incorporated into the power networks, and enters step (5)；
(2) the grid-connected switch of wind and solar hybrid generating system is disconnected；
(3) quantity of heat storage of medium heat reservoir is detected, if quantity of heat storage is less than the limit value being previously set electricity is put into and turns heat and open
It closes, the generated output of wind and solar hybrid generating system is stored in medium heat reservoir, subsequently into step (4)；If quantity of heat storage
Electricity is then disconnected more than the limit value being previously set and turns thermal switch, and wind and solar hybrid generating system is stopped transport, subsequently into step (4)；
(4) the medium heat reservoir pushes photo-thermal steam turbine to drive photo-thermal by the heat exchange to high-temperature steam in medium
Electrical power generators, the intelligent micro-grid power control system monitor the variation of microgrid load power and adjust opto-thermal system in real time
Output, the electric power of intelligent micro-grid is maintained to balance；
(5) the grid-connected switch of wind and solar hybrid generating system is put into；
(6) intelligent micro-grid power control system acquires wind and solar hybrid generating system, microgrid load and photo-thermal power generation unit in real time
Performance number, receive micro-capacitance sensor dispatch automated system issue plan generated output instruction；
(7) when the plan generated output that automation system for the power network dispatching issues is more than the real-time power generation work(of wind and solar hybrid generating system
(8) during rate, are entered step, are otherwise entered step (9)；
(8) intelligent micro-grid power control system, which calculates photo-thermal power generation unit, needs increased generated output, and pass through PI controls
Device control photo-thermal power generation unit, which increases to contribute, maintains the balance of the grid-connected power of intelligent micro-grid and the plan generated output；
(9) intelligent micro-grid power control system, which calculates photo-thermal power generation unit, needs reduced generated output, and pass through PI controls
Device control photo-thermal power generation unit, which is reduced, contributes；When photo-thermal power generation unit needs reduced generated output to have exceeded photo-thermal power generation unit
Regulating power when, input electricity turn thermal switch, the generated output of extra wind and solar hybrid generating system is stored in medium heat accumulation
In system.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510993996.5A CN105470982B (en) | 2015-12-25 | 2015-12-25 | The intelligent micro-grid generated power control system and control method of a kind of energy storage containing medium |
| GB1719021.6A GB2561273B (en) | 2015-12-25 | 2016-06-17 | Generated power control system and control method for intelligent micro-grid with medium energy storage |
| PCT/CN2016/000317 WO2017107246A1 (en) | 2015-12-25 | 2016-06-17 | Generated power control system and control method for intelligent micro-grid with medium energy storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510993996.5A CN105470982B (en) | 2015-12-25 | 2015-12-25 | The intelligent micro-grid generated power control system and control method of a kind of energy storage containing medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105470982A CN105470982A (en) | 2016-04-06 |
| CN105470982B true CN105470982B (en) | 2018-06-26 |
Family
ID=55608427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510993996.5A Active CN105470982B (en) | 2015-12-25 | 2015-12-25 | The intelligent micro-grid generated power control system and control method of a kind of energy storage containing medium |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN105470982B (en) |
| GB (1) | GB2561273B (en) |
| WO (1) | WO2017107246A1 (en) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470982B (en) * | 2015-12-25 | 2018-06-26 | 北京四方继保自动化股份有限公司 | The intelligent micro-grid generated power control system and control method of a kind of energy storage containing medium |
| CN106099986B (en) * | 2016-08-03 | 2019-01-22 | 中广核研究院有限公司 | A kind of supply of isolated island comprehensive energy and safeguards system |
| CN106685315A (en) * | 2016-12-21 | 2017-05-17 | 中广核太阳能开发有限公司 | Photovoltaic photo-thermal complementary power generation system and power generation method thereof |
| CN107039975B (en) * | 2017-05-27 | 2020-03-24 | 上海电气分布式能源科技有限公司 | Energy management method for distributed energy system |
| CN108321837B (en) * | 2017-11-27 | 2021-09-17 | 河海大学 | Wind power-photo-thermal combined power generation system and operation method thereof |
| CN108879745B (en) * | 2018-09-12 | 2024-03-22 | 党祺云 | Comprehensive power generation system and method for improving unit peak regulation economy |
| CN109584104B (en) * | 2019-01-16 | 2023-12-08 | 常州兰陵自动化设备有限公司 | DC valve electric device intelligent measurement and control system based on wind-solar complementation |
| CN109742809B (en) * | 2019-03-15 | 2023-12-26 | 中国电力工程顾问集团西北电力设计院有限公司 | Multi-source complementary energy storage type power station security power supply system and control method thereof |
| CN111049184B (en) * | 2019-12-26 | 2023-04-18 | 国网吉林省电力有限公司 | Calculation method for responding to wind power consumption demand of power system in multi-energy complementary park |
| CN111404195B (en) * | 2020-02-24 | 2021-08-27 | 国网浙江嘉善县供电有限公司 | Intelligent gateway-based scheduling method for microgrid with distributed power supply |
| CN112217232B (en) * | 2020-09-29 | 2022-07-15 | 浙江中光新能源科技有限公司 | Photovoltaic and photo-thermal coupling power generation system and power generation control method |
| CN112491087B (en) * | 2020-11-20 | 2023-02-07 | 西安热工研究院有限公司 | Wind-solar-storage independent micro-grid economic optimization method based on demand side response |
| CN113410832B (en) * | 2021-06-18 | 2022-09-13 | 中国科学院电工研究所 | Wind-solar hydrogen storage integrated energy direct-current micro-grid operation control method |
| EP4120501A1 (en) * | 2021-07-15 | 2023-01-18 | Siemens Gamesa Renewable Energy Innovation & Technology S.L. | Method for operating a hybrid energy system |
| CN113847198B (en) * | 2021-09-24 | 2023-07-28 | 烟台大地牧业股份有限公司 | Intelligent wind power water preparation system based on wind power generation |
| CN113949107B (en) * | 2021-10-27 | 2024-02-23 | 武汉理工大学 | Wind, light and diesel storage hybrid multi-energy ship energy management method |
| CN114024327B (en) * | 2021-11-23 | 2024-02-06 | 华电郑州机械设计研究院有限公司 | Renewable energy source based power generation multifunctional complementary control system and method |
| CN114489228B (en) * | 2022-01-26 | 2022-11-01 | 四川大学 | MPPT device and method based on improved PSO algorithm |
| CN115001009A (en) * | 2022-05-05 | 2022-09-02 | 中国成达工程有限公司 | Wind-solar-grid-storage integrated intelligent power supply regulation control system and method |
| CN114844116A (en) * | 2022-07-04 | 2022-08-02 | 西安热工研究院有限公司 | In-plant photovoltaic and comprehensive energy load system and control method thereof |
| CN115115259B (en) * | 2022-07-15 | 2024-09-20 | 浙江大学 | Data center electric-thermal energy scheduling method based on data processing |
| CN116031916B (en) * | 2022-12-29 | 2023-09-12 | 山西省能源互联网研究院 | Energy storage control system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1577548A1 (en) * | 2004-03-16 | 2005-09-21 | Abb Research Ltd. | Apparatus and method for storing thermal energy and generating electricity |
| CN104682439A (en) * | 2015-03-19 | 2015-06-03 | 成都鼎智汇科技有限公司 | Operation and monitoring method for grid-connected operation photovoltaic power generation system |
| CN104734168A (en) * | 2015-03-13 | 2015-06-24 | 山东大学 | Microgrid running optimization system and method based on power and heat combined dispatching |
| CN104807204A (en) * | 2014-12-31 | 2015-07-29 | 深圳市爱能森科技有限公司 | Wind power, photovoltaic, photo-thermal and medium heat storage combined energy supply system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5465949B2 (en) * | 2009-08-07 | 2014-04-09 | 本田技研工業株式会社 | Power supply system |
| CN202435048U (en) * | 2011-12-20 | 2012-09-12 | 国网电力科学研究院 | Micro-grid system based on various distributed power supplies and energy storage units |
| CN204555418U (en) * | 2015-01-04 | 2015-08-12 | 华北电力大学（保定） | A kind of wind-light storage hot type cooling heating and power generation system |
| CN105470982B (en) * | 2015-12-25 | 2018-06-26 | 北京四方继保自动化股份有限公司 | The intelligent micro-grid generated power control system and control method of a kind of energy storage containing medium |
-
2015
- 2015-12-25 CN CN201510993996.5A patent/CN105470982B/en active Active
-
2016
- 2016-06-17 GB GB1719021.6A patent/GB2561273B/en active Active
- 2016-06-17 WO PCT/CN2016/000317 patent/WO2017107246A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1577548A1 (en) * | 2004-03-16 | 2005-09-21 | Abb Research Ltd. | Apparatus and method for storing thermal energy and generating electricity |
| CN104807204A (en) * | 2014-12-31 | 2015-07-29 | 深圳市爱能森科技有限公司 | Wind power, photovoltaic, photo-thermal and medium heat storage combined energy supply system |
| CN104734168A (en) * | 2015-03-13 | 2015-06-24 | 山东大学 | Microgrid running optimization system and method based on power and heat combined dispatching |
| CN104682439A (en) * | 2015-03-19 | 2015-06-03 | 成都鼎智汇科技有限公司 | Operation and monitoring method for grid-connected operation photovoltaic power generation system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105470982A (en) | 2016-04-06 |
| GB2561273A (en) | 2018-10-10 |
| WO2017107246A1 (en) | 2017-06-29 |
| GB201719021D0 (en) | 2018-01-03 |
| GB2561273B (en) | 2021-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105470982B (en) | The intelligent micro-grid generated power control system and control method of a kind of energy storage containing medium | |
| CN102710013B (en) | Park energy-network energy optimizing management system based on microgrids and implementing method thereof | |
| CN102185332B (en) | Method for controlling exchanging power between microgrid and large power grid | |
| CN102427244A (en) | Large-scale photovoltaic wind power information accessing system | |
| CN203442950U (en) | Superhigh temperature electrical energy storage system | |
| Liu et al. | Impacts of distributed renewable energy generations on smart grid operation and dispatch | |
| CN102738835A (en) | Wind-fire-water co-scheduling method on basis of multi-agent system | |
| CN108054775A (en) | A kind of microgrid control method | |
| CN107968428A (en) | A kind of smart home energy distribution system and its implementation | |
| CN204615404U (en) | Ventilation air gas/photovoltaic generating system that automatic power factor regulates | |
| CN108365627A (en) | A kind of wind storage isolated network power supply system control method for coordinating based on flexible coordinating factor | |
| CN205011850U (en) | Hot balance control device of aluminium cell | |
| Qu et al. | Toward a global green smart microgrid: An industrial park in China | |
| CN102748238B (en) | Wind-powered electricity generation energy conversion system with redundancy energy storage and application model thereof and controlling method | |
| CN106839082B (en) | Wind power heating regulator control system and regulation method | |
| CN115764927A (en) | Power grid peak regulation method and system based on wind, light, water and fire multi-energy complementary characteristics | |
| CN110994698A (en) | Optimized operation method of solar photovoltaic-photothermal combined power generation system | |
| Li et al. | Study on the key factors of regional power grid renewable energy accommodating capability | |
| CN108155644A (en) | Meter and the dynamic heating system of ancillary service and electric system coupled scheduler method | |
| CN102624034A (en) | Wind power station dispatching fit type idle work operation method suitable for high voltage power grid | |
| Zhang et al. | Research on microgrid | |
| CN111313410B (en) | Equipment regulation and control device of comprehensive energy system | |
| CN108258730B (en) | Abandonment heating system and method under a kind of scheduling of electric network coordination | |
| Zhang et al. | Research on the wind power accommodation based on peak shaving by using heat storage electric boiler | |
| Xie et al. | Tie-line Power Smoothing Strategy of Integrated Energy System Using Separate Storage of Heat and Electricity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190322 Address after: 100085 9, four street, Shang Di information industry base, Haidian District, Beijing. Co-patentee after: Beijing Sifang Jibao Engineering Technology Co., Ltd. Patentee after: Beijing Sifang Jibao Automation Co., Ltd. Address before: 100085 9, four street, Shang Di information industry base, Haidian District, Beijing. Patentee before: Beijing Sifang Jibao Automation Co., Ltd. |
|
| TR01 | Transfer of patent right |