CN108736520A - A kind of grid type intelligent control system for microgrid and its method - Google Patents
A kind of grid type intelligent control system for microgrid and its method Download PDFInfo
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- CN108736520A CN108736520A CN201810872033.3A CN201810872033A CN108736520A CN 108736520 A CN108736520 A CN 108736520A CN 201810872033 A CN201810872033 A CN 201810872033A CN 108736520 A CN108736520 A CN 108736520A
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- 238000010248 power generation Methods 0.000 claims abstract description 90
- 238000012544 monitoring process Methods 0.000 claims abstract description 79
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- 238000005286 illumination Methods 0.000 claims description 34
- 238000004146 energy storage Methods 0.000 claims description 32
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- H02J3/383—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- H02J13/0062—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/008—Circuit arrangements for ac mains or ac distribution networks involving trading of energy or energy transmission rights
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- H02J3/386—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
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Abstract
The invention belongs to power system automation technology fields, it is related to a kind of grid type intelligent control system for microgrid and its method, photovoltaic generation unit is connect with photovoltaic generation intelligent monitored control module, wind turbine power generation unit is connect with wind turbine power generation intelligent monitored control module, photovoltaic generation intelligent monitored control module and wind turbine power generation intelligent monitored control module are connect by data transmission bus with intelligent monitoring terminal, photovoltaic generation unit and wind turbine power generation unit are connect by power transmission bus with user, user connect with customer charge monitoring modular, customer charge monitoring modular is connect by data transmission bus with intelligent monitoring terminal；The present invention is effectively combined technology of Internet of things with micro-grid system, to the output power real-time intelligent monitoring and controlling of supply unit in micro-grid system, the optimization for running control to it and maximization that distributed energy utilizes are realized by intelligent monitoring terminal, while realizing the intelligence run to entire micro-grid system, overall-in-one control schema.
Description
Technical field
The present invention relates to a kind of intelligence control system and its method, especially a kind of grid type intelligent control system for microgrid
And its method, belong to power system automation technology field.
Background technology
In recent years, with the continuous development of distributed energy, solar power generation scale and wind-power electricity generation scale are increasing,
How efficiently, maximized consumption distributed energy becomes a problem, and micro-capacitance sensor is as a kind of novel, efficient energy supply side
Formula while meeting user's electricity demanding, is realized the cascade utilization of energy, can be greatly improved the energy based on micro-capacitance sensor
Utilization rate.Currently, being concentrated mainly on lectotype selection, capacity configuration, operation reserve and optimization to the research of micro-capacitance sensor both at home and abroad
In terms of the research of dispatching algorithm；And with the fast development of technology of Internet of things, how to realize to the intelligent, efficient of micro-grid system
Control can not only effectively improve the economy of micro-grid system operation, improve distributed energy utilization rate；Meanwhile it can to cleaning
Development, realization energy-saving and emission-reduction of the renewable sources of energy etc. are of great significance.
Invention content
The purpose of the present invention is to provide kind of a grid type intelligent control system for microgrid, by technology of Internet of things and micro-capacitance sensor system
System effectively combines, and is monitored to the real-time intelligent of the output power of the supply units such as generator unit, energy-storage units in micro-grid system
Control realizes the optimization that control is run to it and the maximization that distributed energy utilizes by intelligent monitoring terminal, while real
The intelligence run to entire micro-grid system, overall-in-one control schema are showed.
To realize the above technical purpose, the technical scheme is that：A kind of grid type intelligent control system for microgrid, packet
Include photovoltaic generation unit, wind turbine power generation unit, which is characterized in that the photovoltaic generation unit and photovoltaic generation intelligent monitored control module
Connection, the wind turbine power generation unit are connect with wind turbine power generation intelligent monitored control module, the photovoltaic generation intelligent monitored control module and wind
Machine power generation intelligent monitored control module is connect by data transmission bus with intelligent monitoring terminal, the photovoltaic generation unit and wind turbine
Generator unit is connect by power transmission bus with user, and the user connect with customer charge monitoring modular, the user
Load monitoring module is connect by data transmission bus with intelligent monitoring terminal.
Further, further include secondary battery unit, the secondary battery unit is sent out with photovoltaic respectively by power transmission bus
Electric unit, wind turbine power generation unit and user's connection, while secondary battery unit is connect with energy storage intelligent monitored control module, the energy storage intelligence
Energy monitoring module is connect by data transmission bus with intelligent monitoring terminal.
Further, further include electric energy quality monitoring module, the electric energy quality monitoring module by micro-grid system with
Major network connection point accesses major network, and the micro-grid system is arranged with major network connection point in power transmission bus, while electric energy matter
Amount monitoring modular is connect by data transmission bus with intelligent monitoring terminal.
In order to further realize the above technical purpose, the present invention also proposes a kind of grid type micro-capacitance sensor intelligent control method,
It is characterised in that it includes following steps：
Step 1 is by the output power of the photovoltaic generation unit and relation curve of operating cost, intensity of illumination and output power
Relation curve information input photovoltaic generation intelligent monitored control module, by the output power of wind turbine power generation unit and operating cost curve,
The relation curve information input wind turbine power generation intelligent monitored control module of wind speed and output power, by the residual capacity of secondary battery unit,
Maximum capacity, maximal input, peak power output information input energy storage intelligent monitored control module；
Step 2 photovoltaic generation intelligent monitored control module real-time reception intensity of illumination weather informations, wind turbine power generation intelligent monitored control module
Real-time reception wind speed weather information；
User's real-time load demand that step 3 intelligent monitoring terminals are fed back according to customer charge monitoring modular, in conjunction with comparison light
The output power for lying prostrate generator unit and wind turbine power generation unit, judges that can generator unit meet customer charge demand.
Further, in step 3, if daytime：
First step can individually meet user when the output power of photovoltaic generation unit or the output power of wind turbine power generation unit
When workload demand, judge to generate electricity using photovoltaic generation unit or wind turbine power generation unit；
A. it when intensity of illumination is stronger, when wind speed is smaller, is preferentially generated electricity using photovoltaic generation unit；When intensity of illumination is weaker, wind speed
When larger, preferentially generated electricity using wind turbine power generation unit；
B. when intensity of illumination and all larger wind speed, photovoltaic generation intelligent monitored control module and wind turbine power generation intelligent monitored control module point
Not according to the output power that does not pre-enter and operating cost curve, the operating cost under the identical output power of comparative analysis, and will
Analyze data feedback arrive intelligent monitoring terminal, intelligent monitoring terminal according to feedback data send telecommand preferentially enable run at
This junior generates electricity；
Second step cannot individually meet user when the output power of photovoltaic generation unit or the output power of wind turbine power generation unit
When workload demand, photovoltaic generation unit and wind turbine power generation unit is selected to be carried out at the same time power generation；
Third step cannot still meet use when the output power of photovoltaic generation unit and the sum of the output power of wind turbine power generation unit
When the workload demand of family, then the energy storage plus secondary battery unit is needed to be powered；
If cannot still meet customer charge demand at this time or when the energy storage deficiency of secondary battery unit, need to be bought from public electric wire net
Electric energy is supplied；
If night：
First step when the output power of wind turbine power generation unit can meet customer charge demand, then use wind turbine power generation unit into
Row power generation；
Second step then needs to add secondary battery unit when the output power of wind turbine power generation unit cannot meet customer charge demand
Energy storage be powered；
If cannot still meet customer charge demand at this time or when the energy storage deficiency of secondary battery unit, need to be bought from public electric wire net
Electric energy is supplied.
Further, photovoltaic generation intelligent monitored control module setting intensity of illumination max-thresholds n, minimum threshold n, wind turbine power generation
Wind speed max-thresholds r, minimum threshold r is arranged in intelligent monitored control module, when the output power or wind turbine power generation list of photovoltaic generation unit
When the output power of member can meet customer charge demand, when intensity of illumination is more than max-thresholds n, wind speed is less than minimum threshold r,
Intensity of illumination is stronger at this time, when wind speed is weaker, is preferentially generated electricity using photovoltaic generation unit；When intensity of illumination be less than minimum threshold n,
Wind speed is more than max-thresholds r, and wind speed is stronger at this time, when intensity of illumination is weaker, is preferentially generated electricity using wind turbine power generation unit；Work as illumination
When intensity is less than minimum threshold n and wind speed and is less than minimum threshold r, the preferential energy storage for power supply for using secondary battery unit.
Further, when the output power of the output power of photovoltaic generation unit and/or wind turbine power generation unit is meeting user
Workload demand simultaneously, when also extra power, is first stored in secondary battery unit, if extra power is more than secondary battery unit most
The energy storage of big input power or secondary battery unit has been expired, then extra power is sold to major network, if extra power is more than micro- electricity
When net system and the ability to bear of major network connection point, intelligent monitoring terminal sends out the signal abandoned light and/or abandon wind.
Further, the electric energy quality monitoring module detects the voltage fluctuation of micro-grid system and major network connection point in real time
Situation, and detection structure is sent to intelligent monitoring terminal in real time, intelligent monitoring terminal judges micro- electricity according to voltage fluctuation situation
The maximum bearing ability of net system and major network connection point.
Further, the customer charge monitoring modular monitors customer charge demand, and feedback intelligent control terminal in real time.
The present invention has the following advantages：
1）Can in micro-grid system the output power of the supply units such as generator unit, energy-storage units real-time intelligent monitoring and
The maximization that the optimization that control is run to it and distributed energy utilize is realized in control；
2）Real-time intelligent monitors points of common connection（PCC points）Voltage fluctuation, ensure power grid power quality while, realize distribution
The optimization of formula using energy source；
3）The problem that the operation control variation complexity that complicated Changes in weather is brought can be successfully managed, not by complicated Changes in weather pair
The influence of system operation；
4）Realize the intelligence run to entire micro-grid system, overall-in-one control schema.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the control flow chart of control system day mode of the present invention.
Fig. 3 is the control flow chart of control system Night of the present invention.
Reference sign：1- photovoltaic generation units, 2- wind turbine power generations unit, 3- secondary battery units, 4- photovoltaic generation intelligence
It can monitoring module, 5- wind turbine power generations intelligent monitored control module, 6- intelligent monitoring terminals, 7- energy storage intelligent monitored control module, 8- electric energy matter
Measure monitoring modular, 9- customer charge monitoring modulars.
Specific implementation mode
With reference to specific drawings and examples, the invention will be further described.
As shown in Fig. 1, a kind of grid type intelligent control system for microgrid, including photovoltaic generation unit 1, wind turbine power generation list
Member 2, the photovoltaic generation unit 1 is connect with photovoltaic generation intelligent monitored control module 4, the wind turbine power generation unit 2 and wind turbine power generation
Intelligent monitored control module 5 connects, and the photovoltaic generation intelligent monitored control module 4 and wind turbine power generation intelligent monitored control module 5 pass through data
Transfer bus is connect with intelligent monitoring terminal 6, and the photovoltaic generation unit 1 and wind turbine power generation unit 2 are total by power transmission
Line is connect with user 10, and the user 10 connect with customer charge monitoring modular 9, and the customer charge monitoring modular 9 passes through number
It is connect with intelligent monitoring terminal 6 according to transfer bus；
Photovoltaic generation unit 1 includes photovoltaic battery panel, converts the solar into electric energy；
Wind turbine power generation unit 2 includes wind-driven generator, converts wind energy into electric energy；
Photovoltaic generation intelligent monitored control module 4：In real time monitoring intensity of illumination and photovoltaic generation unit 1 output power, and according to
Family workload demand, the input quantity of intelligent control photovoltaic array photovoltaic generation unit 1；Meanwhile photovoltaic generation list is also monitored in real time
The operating status of member 1 timely feedbacks fault message to control of intelligent terminal when operation troubles occurs in photovoltaic generation unit 1
6；
Wind turbine power generation intelligent monitored control module 5：The output power of monitoring wind speed and wind turbine power generation unit 2 in real time, and it is negative according to user
Lotus demand, the input quantity of intelligent control wind turbine power generation unit 2；Meanwhile the operating status of wind-driven generator is also monitored in real time, when
When operation troubles occurs in wind-driven generator, fault message is timely feedbacked to control of intelligent terminal 6；
Energy storage intelligent monitored control module 7：The residual capacity, peak power output of monitoring secondary battery unit 3, maximal input in real time
Deng；Meanwhile also the operating status of monitoring secondary battery unit 3 believes failure when operation troubles occurs in secondary battery unit 3 in real time
Breath is timely feedbacked to control of intelligent terminal 6；
Customer charge monitoring modular 9：Monitoring customer charge demand in real time, and feedback intelligent control terminal 6；
Intelligent monitoring terminal 6：The data fed back to each intelligent monitored control module and detection module are monitored control, while to
Each intelligent monitored control module and detection module send out scheduling controlling instruction；
Secondary battery unit 3, the secondary battery unit 3 by power transmission bus respectively with photovoltaic generation unit 1, wind turbine power generation list
Member 2 and user 10 connect, while secondary battery unit 3 is connect with energy storage intelligent monitored control module 7, the energy storage intelligent monitored control module 7
It is connect with intelligent monitoring terminal 6 by data transmission bus, secondary battery unit 3 includes energy-storage units, and storage micro-grid system is more
Remaining power grid, and electric energy is exported when needed.
Electric energy quality monitoring module 8, the electric energy quality monitoring module 8 are accessed by micro-grid system and major network connection point
Major network, the micro-grid system is arranged with major network connection point in power transmission bus, while electric energy quality monitoring module 8 passes through
Data transmission bus is connect with intelligent monitoring terminal 6, and electric energy quality monitoring module 8 monitors micro-grid system and major network connection in real time
Point（That is points of common connection, PCC points）Voltage fluctuation situation, and feed back to control of intelligent terminal 6, ensure the electric energy matter of system
Amount；
The control method of grid type intelligent control system for microgrid, includes the following steps in above-described embodiment：
Step 1 is by the output power of the photovoltaic generation unit 1 and relation curve of operating cost, intensity of illumination and output power
Relation curve information input photovoltaic generation intelligent monitored control module 4, the output power of wind turbine power generation unit 2 and operating cost is bent
The relation curve information input wind turbine power generation intelligent monitored control module 5 of line, wind speed and output power, by the residue of secondary battery unit 3
Capacity, maximum capacity, maximal input, peak power output information input energy storage intelligent monitored control module 7；
4 real-time reception intensity of illumination weather information of step 2 photovoltaic generations intelligent monitored control module, wind turbine power generation intelligent monitoring mould
5 real-time reception wind speed weather information of block；
User's real-time load demand that step 3 intelligent monitoring terminals 6 are fed back according to customer charge monitoring modular 9, in conjunction with comparison
The output power of photovoltaic generation unit 1 and wind turbine power generation unit 2 judges that can generator unit meet customer charge demand；
If as shown in Fig. 2, daytime：
First step can individually meet use when the output power of photovoltaic generation unit 1 or the output power of wind turbine power generation unit 2
When the workload demand of family, judge to generate electricity using photovoltaic generation unit 1 or wind turbine power generation unit 2；
A. it when intensity of illumination is stronger, when wind speed is smaller, is preferentially generated electricity using photovoltaic generation unit 1；When intensity of illumination is weaker, wind speed
When larger, preferentially generated electricity using wind turbine power generation unit 2；
B. when intensity of illumination and all larger wind speed, photovoltaic generation intelligent monitored control module 4 and wind turbine power generation intelligent monitored control module 5
Respectively according to the output power that pre-enters and operating cost curve, the operating cost under the identical output power of comparative analysis, and
Data feedback will be analyzed to intelligent monitoring terminal 6, intelligent monitoring terminal 6 sends telecommand according to feedback data and preferentially enables fortune
Row cost junior generates electricity；
Second step cannot individually meet use when the output power of photovoltaic generation unit 1 or the output power of wind turbine power generation unit 2
When the workload demand of family, photovoltaic generation unit 1 and wind turbine power generation unit 2 is selected to be carried out at the same time power generation；
Third step cannot still meet when the output power of photovoltaic generation unit 1 and the sum of the output power of wind turbine power generation unit 2
When customer charge demand, then the energy storage plus secondary battery unit 3 is needed to be powered；
It, need to be from common electrical net purchase if cannot still meet customer charge demand at this time or when the energy storage deficiency of secondary battery unit 3
Electric energy is bought to supply；
If as shown in figure 3, night：
First step then uses wind turbine power generation unit 2 when the output power of wind turbine power generation unit 2 can meet customer charge demand
It generates electricity；
Second step then needs to add accumulator list when the output power of wind turbine power generation unit 2 cannot meet customer charge demand
The energy storage of member 3 is powered；
It, need to be from common electrical net purchase if cannot still meet customer charge demand at this time or when the energy storage deficiency of secondary battery unit 3
Electric energy is bought to supply.
Intensity of illumination max-thresholds n1, minimum threshold n2 is arranged in photovoltaic generation intelligent monitored control module 4, and wind turbine power generation is intelligent to supervise
It controls module 5 and wind speed max-thresholds r2, minimum threshold r1 is set, when the output power or wind turbine power generation unit 2 of photovoltaic generation unit 1
Output power when can meet customer charge demand, when intensity of illumination is more than max-thresholds n1, wind speed is less than minimum threshold r1,
Intensity of illumination is stronger at this time, when wind speed is weaker, is preferentially generated electricity using photovoltaic generation unit 1；When intensity of illumination is less than minimum threshold
N2, wind speed are more than max-thresholds r2, and wind speed is stronger at this time, when intensity of illumination is weaker, are preferentially generated electricity using wind turbine power generation unit 2；
When intensity of illumination is less than minimum threshold n2 and wind speed is less than minimum threshold r1, the preferential energy storage for power supply for using secondary battery unit 3.
When the output power of photovoltaic generation unit 1 and/or the output power of wind turbine power generation unit 2 are meeting customer charge need
When seeking common ground, when also extra power, it is first stored in secondary battery unit 3, if the maximum that extra power is more than secondary battery unit 3 is defeated
Entering the energy storage of power or secondary battery unit 3 has expired, then extra power is sold to major network, if extra power is more than micro-capacitance sensor system
System and major network connection point（PCC points）Ability to bear（Have exceeded the power quality requirement of PCC points）When, intelligent monitoring terminal 6
Send out the signal abandoned light and/or abandon wind.
The electric energy quality monitoring module 8 detects the voltage fluctuation situation of micro-grid system and major network connection point in real time, and
Detection structure is sent to intelligent monitoring terminal 6 in real time, intelligent monitoring terminal 6 judges micro-grid system according to voltage fluctuation situation
With the maximum bearing ability of major network connection point.
The present invention and its embodiments have been described above, description is not limiting, shown in attached drawing also only
It is one of embodiments of the present invention, practical structures are not limited thereto.All in all if those skilled in the art
It is enlightened by it, without departing from the spirit of the invention, is not inventively designed similar with the technical solution
Frame mode and embodiment, are within the scope of protection of the invention.
Claims (9)
1. a kind of grid type intelligent control system for microgrid, including photovoltaic generation unit（1）, wind turbine power generation unit（2）, feature
It is, the photovoltaic generation unit（1）With photovoltaic generation intelligent monitored control module（4）Connection, the wind turbine power generation unit（2）With wind
Machine power generation intelligent monitored control module（5）Connection, the photovoltaic generation intelligent monitored control module（4）With wind turbine power generation intelligent monitored control module
（5）Pass through data transmission bus and intelligent monitoring terminal（6）Connection, the photovoltaic generation unit（1）With wind turbine power generation unit
（2）Pass through power transmission bus and user（10）Connection, the user（10）With customer charge monitoring modular（9）Connection, institute
State customer charge monitoring modular（9）Pass through data transmission bus and intelligent monitoring terminal（6）Connection.
2. a kind of grid type intelligent control system for microgrid according to claim 1, it is characterised in that：It further include accumulator
Unit（3）, the secondary battery unit（3）By power transmission bus respectively with photovoltaic generation unit（1）, wind turbine power generation unit
（2）And user（10）Connection, while secondary battery unit（3）With energy storage intelligent monitored control module（7）Connection, the energy storage intelligent monitoring
Module（7）Pass through data transmission bus and intelligent monitoring terminal（6）Connection.
3. a kind of grid type intelligent control system for microgrid according to claim 1, it is characterised in that：Further include electric energy matter
Measure monitoring modular（8）, the electric energy quality monitoring module（8）Major network is accessed by micro-grid system and major network connection point, it is described
Micro-grid system is arranged with major network connection point in power transmission bus, while electric energy quality monitoring module（8）It is passed by data
Defeated bus and intelligent monitoring terminal（6）Connection.
4. a kind of grid type micro-capacitance sensor intelligent control method, which is characterized in that include the following steps：
Step 1 is by photovoltaic generation unit（1）Output power and operating cost relation curve, intensity of illumination and output work
The relation curve information input photovoltaic generation intelligent monitored control module of rate（4）, by wind turbine power generation unit（2）Output power and operation
The relation curve information input wind turbine power generation intelligent monitored control module of cost curve, wind speed and output power（5）, by secondary battery unit
（3）Residual capacity, maximum capacity, maximal input, peak power output information input energy storage intelligent monitored control module（7）；
Step 2 photovoltaic generation intelligent monitored control modules（4）Real-time reception intensity of illumination weather information, wind turbine power generation intelligent monitoring
Module（5）Real-time reception wind speed weather information；
Step 3 intelligent monitoring terminals（6）According to customer charge monitoring modular（9）User's real-time load demand of feedback, in conjunction with
Compare photovoltaic generation unit（1）With wind turbine power generation unit（2）Output power, judge that can generator unit meet customer charge need
It asks.
5. a kind of grid type micro-capacitance sensor intelligent control method according to claim 4, it is characterised in that：In step 3,
If daytime：
First step works as photovoltaic generation unit（1）Output power or wind turbine power generation unit（2）Output power can individually expire
When sufficient customer charge demand, judge to use photovoltaic generation unit（1）Or wind turbine power generation unit（2）It generates electricity；
A. when intensity of illumination is stronger, when wind speed is smaller, photovoltaic generation unit is preferentially used（1）Power generation；When intensity of illumination is weaker, wind
When speed is larger, wind turbine power generation unit is preferentially used（2）Power generation；
B. when intensity of illumination and all larger wind speed, photovoltaic generation intelligent monitored control module（4）With wind turbine power generation intelligent monitored control module
（5）Respectively according to the output power that pre-enters and operating cost curve, the operating cost under the identical output power of comparative analysis,
And data feedback will be analyzed to intelligent monitoring terminal（6）, intelligent monitoring terminal（6）It is preferential that telecommand is sent according to feedback data
Operating cost junior is enabled to generate electricity；
Second step works as photovoltaic generation unit（1）Output power or wind turbine power generation unit（2）Output power cannot individually expire
When sufficient customer charge demand, photovoltaic generation unit is selected（1）With wind turbine power generation unit（2）It is carried out at the same time power generation；
Third step works as photovoltaic generation unit（1）Output power and wind turbine power generation unit（2）The sum of output power still cannot
When meeting customer charge demand, then need to add secondary battery unit（3）Energy storage be powered；
If cannot still meet customer charge demand at this time or work as secondary battery unit（3）Energy storage deficiency when, then need to be from public electric wire net
Electric energy is bought to supply；
If night：
First step works as wind turbine power generation unit（2）Output power when can meet customer charge demand, then use wind turbine power generation list
Member（2）It generates electricity；
Second step works as wind turbine power generation unit（2）Output power when cannot meet customer charge demand, then need to add accumulator
Unit（3）Energy storage be powered；
If cannot still meet customer charge demand at this time or work as secondary battery unit（3）Energy storage deficiency when, then need to be from public electric wire net
Electric energy is bought to supply.
6. a kind of grid type micro-capacitance sensor intelligent control method according to claim 4, it is characterised in that：Photovoltaic generation intelligence
Monitoring module（4）Intensity of illumination max-thresholds n1, minimum threshold n2, wind turbine power generation intelligent monitored control module are set（5）Wind speed is set
Max-thresholds r2, minimum threshold r1, works as photovoltaic generation unit（1）Output power or wind turbine power generation unit（2）Output power
When can meet customer charge demand, when intensity of illumination is more than max-thresholds n1, wind speed is less than minimum threshold r1, and illumination is strong at this time
Degree is stronger, when wind speed is weaker, preferentially uses photovoltaic generation unit（1）Power generation；When intensity of illumination is less than minimum threshold n2, wind speed is big
In max-thresholds r2, wind speed is stronger at this time, when intensity of illumination is weaker, preferentially uses wind turbine power generation unit（2）Power generation；When illumination is strong
When degree is less than minimum threshold r1 less than minimum threshold n2 and wind speed, secondary battery unit is preferentially used（3）Energy storage for power supply.
7. a kind of grid type micro-capacitance sensor intelligent control method according to claim 4, it is characterised in that：When photovoltaic generation list
Member（1）Output power and/or wind turbine power generation unit（2）Output power meeting customer charge demand simultaneously, it is also extra
When power, it is first stored in secondary battery unit（3）If extra power is more than secondary battery unit（3）Maximal input or electric power storage
Pool unit（3）Energy storage expired, then extra power is sold to major network, if extra power is more than micro-grid system and major network and connects
When the ability to bear of contact, intelligent monitoring terminal（6）Send out the signal abandoned light and/or abandon wind.
8. a kind of grid type micro-capacitance sensor intelligent control method according to claim 7, it is characterised in that：The power quality
Monitoring modular（8）The voltage fluctuation situation of detection micro-grid system and major network connection point in real time, and detection structure is sent in real time
To intelligent monitoring terminal（6）, intelligent monitoring terminal（6）Judge micro-grid system and major network connection point according to voltage fluctuation situation
Maximum bearing ability.
9. a kind of grid type micro-capacitance sensor intelligent control method according to claim 4, it is characterised in that：The customer charge
Monitoring modular（9）Monitoring customer charge demand in real time, and feedback intelligent control terminal（6）.
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