CN104167763A - Distributed energy management method and distributed energy management device composed of ground layer, intermediate layer and energy management layer - Google Patents
Distributed energy management method and distributed energy management device composed of ground layer, intermediate layer and energy management layer Download PDFInfo
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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
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/14—District level solutions, i.e. local energy networks
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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
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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
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Abstract
The invention relates to a distributed energy management method and device. The distributed energy management device is composed of a ground layer, an intermediate layer and an energy management layer. The ground layer comprises a distributed power controller, an energy storage controller, a load controller, an invertor, a converter and a breaker. The intermediate layer comprises a data communication module, an operation control module, an energy storage management module and a load management module. The energy management layer comprises a data communication and monitoring module, an economic dispatch and optimal operation module, a load prediction module and a power generation prediction module. The ground layer and the intermediate layer coordinate and control short-term power in a local micro-grid system to be stable; the energy management layer coordinates and controls long-term power in the micro-grid system where the energy management layer belongs to be stable, and economization of micro-grid operation is achieved; meanwhile, the distributed energy management device is clear in structure, functions are specific, and system upgrade and function extension are facilitated.
Description
Technical field
The present invention relates to a kind of distributed energy management solutions apparatus and method, particularly relate to a kind of distributed energy management solutions apparatus and method that are divided into regard to stratum, intermediate layer and energy management layer.
Background technology
Distributed energy management solutions system is the control core of distributed energy, and electrical network self capacity that declines of distributing is less, adds the variation of photovoltaic, wind-powered electricity generation and load, and distributed energy itself has fluctuation and intermittence, so need energy-storage system to solve.Distributed energy is generally connected by power electronic equipment interface, the feature such as power electronic equipment has faster reaction speed, output impedance is little, overload capacity is low, so increased the difficulty that microgrid is controlled, the change of microgrid voltage and frequency is larger, control system need to be planned as a whole each distributed power source, and distributed energy EMS control method mainly comprises the plug and play of power electronics, reciprocity control, power management system and principal and subordinate and controls.
European Union distributed energy control system structure buying central controller MGCC, micro-power-supply controller of electric MC, load governor LC on the spot on the spot.MC controller is controlled power operating mode on the spot, and load governor LC is to loading and distribute and control on the spot on the spot, and central controller MGCC coordinates and controls the MC of distributed micro-grid and LC.
Existing energy management system exists the change of microgrid voltage and frequency larger, and stability is not strong, and operation of power networks economy is not high, and the opening of system and autgmentability are not enough, structure is unintelligible, the problems such as system upgrade and Function Extension inconvenience.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of distributed energy management solutions device being divided into regard to stratum, intermediate layer and energy management layer, described energy management apparatus is the control structure of upper strata centralized management, by forming with regard to stratum, intermediate layer and energy management layer;
Describedly with regard to stratum, comprise distributed electrical source controller, energy storage controller, load governor, inverter, current transformer, circuit breaker;
Described intermediate layer comprises data communication module, operation control module, energy storage administration module, load management module;
Described energy management layer comprises that data communication and monitoring module, economic dispatch and optimization move module, load prediction module, generating prediction module;
Describedly with regard to each controller of stratum and microgrid intermediate layer, carry out data message and communicate by letter, to microgrid intermediate layer transmitting apparatus operation information, and accept scheduling and the supervisory instruction in intermediate layer;
Data message communication is carried out in described energy management layer and intermediate layer, gathers the microgrid real time data information of uploading in intermediate layer and analyzes;
Beneficial effect is the stable of the voltage of having realized microgrid, frequency, power, and makes most economicalization of operation of power networks operating mode optimization.
Also there is in addition clear in structure, be convenient to the beneficial effect that the interior increase of microgrid controller is expanded many micro-grid systems.
Further, described distributed electrical source controller is the distributed energy controller based on power electronics interface, and described load governor is arranged on each controllable burden;
Further, described intermediate layer is by bus or optical fiber and with regard to stratum with can management level to carry out data message mutual.
A kind of distributed energy management solutions method with regard to the distributed energy management solutions device of stratum, intermediate layer and energy management layer that is divided into based on described, comprises the following steps:
With regard to each controller of stratum, gather real-time running data; According to local information, on the spot various micro-power supplys are controlled:
According to power load, regulate in real time micro-power supply energy output;
According to regulating in real time micro-power supply air displacement by heat with by refrigeration duty;
According to load condition and energy-storage system store status situation, regulating cell management system, regulates energy-storage system in charging, discharge time by BMS;
According to the running status of load condition reasonable distribution photovoltaic DC-to-AC converter and energy-storage system;
Intermediate layer data communication module receives the equipment operating data sending with regard to each Local Controller of stratum; By analysis, formulate control strategy, each controller is managed and dispatched;
Intermediate layer operation control module detects large electric network fault and recovery situation, and while large electric network fault being detected, instruction microgrid and electrical network disconnect, the grid-connected control mode switch of operation control module instruction to also/from net control model, microgrid enters islet operation pattern; Detect after large power system restoration, operation control module instruction is switched to from/grid-connected pattern, and microgrid enters and is incorporated into the power networks;
Energy storage administration module in intermediate layer detects the charging and discharging state of storage battery, according to system requirements, storage battery is carried out to management of charging and discharging, and, reactive power meritorious to the working method of energy storage device and output controlled;
Intermediate layer load management module is divided into sensitive load, general load, interruptible load to the load in microgrid according to significance level, the processing that distributes micro-power supply according to the payload detecting, keep the balance between micro-generators and loads, when the lonely network operation of micro-electrical network, excision interruptible load or generally load, the normal power supply of assurance sensitive load;
The microgrid real time data information that upload to energy management layer in intermediate layer;
Energy management layer receives uploading data information, and the data that receive are carried out to picture disply, alarming processing, curve demonstration, report printing, topology coloring, history data store, rights management;
Energy management layer economic dispatch and optimize operation module to the power of each distributed power source in netting and energy storage device and and large electrical network between Power Exchange carry out integrated dispatch, the Financial cost of carrying out microgrid operation minimizes;
Energy management layer load prediction module is hot and cold to comprising, electric loading is predicted, gathers load change in long term information, by parser, predicts next information on load constantly;
Energy management layer generating prediction module is to the prediction of exerting oneself of the short-term of solar power generation, wind-power generation unit and long-term generating capacity.
Its beneficial effect is the stable of the voltage of having realized microgrid, frequency, power, and makes most economicalization of operation of power networks operating mode optimization.
Also there is in addition clear in structure, be convenient to the beneficial effect that the interior increase of microgrid controller is expanded many micro-grid systems.
Further, described with regard to each controller of stratum to intermediate layer transmitting apparatus operation information, comprise the state of power output, DC bus-bar voltage, photovoltaic array, storage battery;
Further, described intermediate layer provides the complete control program of microgrid under two kinds of pattern switching conditions of grid-connected, lonely net; Be incorporated into the power networks under mode, distributed energy management solutions device is controlled micro-power acquisition PQ operational mode, according to power load, heating demand, confession refrigeration duty, regulate micro-power supply exhaust gas volumn, power output, adjusting photovoltaic DC-to-AC converter operational mode, by BMS, regulate energy-storage system store status, and according to the voltage of electrical network, frequency, electric current and input power, regulate the running status of micro-electrical network intermediate layer equipment; Under decoupled mode, distributed energy management solutions device is controlled a stable micro-power acquisition VF, all the other micro-power acquisition PQ Controlling operation methods.
Further, described energy management layer economic dispatch and optimize operation module to the power of each distributed power source in netting and energy storage device and and large electrical network between Power Exchange while carrying out integrated dispatch, analysis distribution formula power supply provides cold and hot electric energy, effectively utilizes regenerative resource, protection of the environment, reduces fuel cost factor, and the power trade between analysis microgrid and large electrical network, meeting under microgrid fail safe, reliability and power supply quality requirement condition, in conjunction with purchasing sale of electricity valency, each Distributed Power Generation performance, Environmental Factors; During electrical network electricity price electricity price at a low ebb, distributed energy management solutions device, meeting in 80% basic cooling and heating load situation, disconnects all the other micro-power supplys; In peak times of power consumption, all micro-power supply 90%-100% rated condition operations; When heat load demand is larger, reduce the energy output of micro-power supply.
Further, when described energy management layer generating prediction module is predicted the short-term of solar power generation, wind-power generation unit and long-term generating capacity, according to the variation of the type of distributed power source, primary energy, generating expense, environmental factor, time between overhauls(TBO) situation prediction distribution formula power supply, exert oneself.
Further, the described short term power with regard to stratum and the local microgrid internal system of intermediate layer coordination control is stable, and energy management layer coordinates to control the long-term power stability of affiliated micro-grid system.
The energy management apparatus that the present invention is relatively traditional and method are brand-new technical schemes.The present invention is by gathering and analyze the data that in microgrid, each controller is uploaded, and each controller is controlled, load, generating are predicted and managed simultaneously, kept the stable of the voltage of microgrid in lonely net and grid-connected situation and frequency.Distributed energy management solutions device is exerted oneself according to the variation of the type of distributed power source, primary energy, generating expense, environmental factor, time between overhauls(TBO) situation prediction distribution formula power supply, Economic Operation in different energy sources price situation, continue to optimize operational mode, obtain optimum most economical operating condition.
Because the present invention adopts the central controlled multi-zone supervision structure in upper strata, make clear in structure of the present invention, each layer function is clear and definite, microgrid inside is increased new burning natural gas distributed power apparatus and increases new micro-grid system all very convenient, and system upgrade and function expansibility are very strong.
Accompanying drawing explanation
Fig. 1 is the distributed energy management solutions apparatus structure schematic diagram being divided into regard to stratum, intermediate layer, energy management layer
Fig. 2 is interlayer structure schematic diagram
Fig. 3 is energy management layer structural representation
Label declaration:
11-data communication and monitoring module 12-economic dispatch and optimization operation module
The 13-load prediction module 14-prediction module of generating electricity
21-data communication module 22-operation control module
23-energy storage administration module 24-load management module
Embodiment
Below in conjunction with accompanying drawing, illustrate the present invention.
Fig. 1 shows structural representation of the present invention, and the present invention is the distributed energy management solutions device of the control structure of a kind of upper strata centralized management, by forming with regard to stratum 3, intermediate layer 2, energy management layer 1.
With regard to stratum 3: also claim microgrid Local Controller layer, be positioned at the lowermost layer of microgrid energy management architecture, wherein comprise distributed electrical source controller, energy storage controller, load governor, inverter, unsteady flow current transformer, circuit breaker, can also comprise other controllers, mainly according to local information, on the spot various micro-power supplys be controlled.Wherein distributed electrical source controller is the distributed energy controller based on power electronics interface, completes that distributed power source is meritorious, the optimization of reactive power is controlled.Energy storage controller is formulated the suitable control strategy that discharges and recharges to operation dissimilar, different medium energy-storage battery.Load governor is arranged on each controllable burden, according to the instruction in intermediate layer 2, carries out load controlling function.
With regard to each controller of stratum, all carry out data message with intermediate layer 2 and communicate by letter, the 2 transmitting apparatus operation informations to intermediate layer, as state of power output, DC bus-bar voltage, photovoltaic array and storage battery etc., and accept scheduling and the supervisory instruction in microgrid intermediate layer 2.
Micro-electrical network regulates micro-power supply energy output in real time according to power load, such as regulating air-intake of combustion engine, rotating speed, frequency etc.; According to regulating in real time micro-power supply air displacement by heat with by refrigeration duty, such as regulating air-intake of combustion engine, regulating gas fume valve flow etc.; According to load condition and energy-storage system store status situation, regulating cell management system, regulates energy-storage system when, to charge, when discharge etc. by BMS; Micro-electrical network is according to the running status of load condition reasonable distribution photovoltaic DC-to-AC converter and energy-storage system, such as load can adopt photovoltaic generation to charge to energy-storage system when very little.
Intermediate layer 2: the middle key-course in intermediate layer 2, comprises data communication module 21, operation control module 22, energy storage administration module 23, load management module 24; By the real-time running data of all distributed power sources, energy storage, load in microgrid is gathered, formulate control strategy, maintain the constant of the interior voltage of microgrid, frequency, to meet load electric energy quality requirement.Its major function comprises data communication, operation control, energy storage management, load management.Middle key-course provides the complete control program of microgrid under two kinds of pattern switching conditions of grid-connected, lonely net.
Under the mode of being incorporated into the power networks, distributed energy management solutions device is controlled micro-power acquisition PQ operational mode, and according to power load, heating demand, confession refrigeration duty, regulate micro-power supply exhaust gas volumn, power output, adjusting photovoltaic DC-to-AC converter operational mode, by BMS, regulate energy-storage system store status, and according to the voltage of electrical network, frequency, electric current and input power, regulate the running status of micro-electrical network intermediate layer 2 equipment.Under decoupled mode, distributed energy management solutions device is controlled a stable micro-power acquisition VF, all the other micro-power acquisition PQ Controlling operation methods.
Data communication module 21 by bus or optical fiber mode with carry out data message with regard to stratum 3 and energy management layer 1 mutual.
Operation control module 22 realize comprise controls of being incorporated into the power networks, islet operation control, also/from net pattern, switch and from/grid-connected pattern switching.When large electric network fault being detected, microgrid and electrical network disconnect, and are switched to also/from entering islet operation network control system, control from grid-connected control; After large power system restoration, microgrid can be from islet operation by entering the control of being incorporated into the power networks from/grid-connected pattern switching.While moving under island mode, maintaining the stable of the interior voltage of microgrid and frequency is the key of controlling.
Energy storage administration module 23 is realized charge in batteries and voltage, power management, can detect the charging and discharging state of electric power storage, and according to system requirements, it be carried out to management of charging and discharging, and can control the working method of energy storage device, and output is meritorious, reactive power, participates in with/without power adjustments.
Load management module 24 realizes the load in microgrid is divided into sensitive load, general load, interruptible load according to significance level, the processing that distributes micro-power supply according to the payload detecting, keep the balance between micro-generators and loads, when the lonely network operation of micro-electrical network, excise interruptible load or generally load, guaranteeing the normal power supply of sensitive load.
Energy management layer 1: energy management layer 1 comprises that data communication and monitoring module 11, economic dispatch and optimization move module 12, load prediction module 13, generating prediction module 14, the microgrid real time data information that upload in energy management layer 1 collection intermediate layer 2, distributed electrical source information, information on load etc., realize scheduling, management and the control of microgrid, realize complex optimums hot and cold, the electric various energy.Energy management layer 1 mainly comprises data communication and monitoring module, economic dispatch and optimization operation function, load prediction, power prediction function.
Data communication and monitoring module 11 complete the data message communication in energy management layer 1 and intermediate layer 2, the data that intermediate layer 2 is uploaded are carried out picture disply, alarming processing, curve demonstration etc., comprise SCADA function in traditional energy management system, as report printing, topology coloring, history data store, rights management etc.
Economic dispatch and optimization operation module 12; when microgrid is incorporated into the power networks, realize economic dispatch and optimize operation; analysis distribution formula power supply provides cold and hot electric energy, effectively utilizes regenerative resource, protection of the environment, reduces fuel cost etc., also analyzes the power trade between microgrid and large electrical network.Meeting under microgrid fail safe, reliability and power supply quality requirement condition, sale of electricity valency is purchased in analysis, the factors such as each Distributed Power Generation performance, environmental protection, the power of each distributed power source of economic dispatch and energy storage device and and large electrical network between Power Exchange, the Financial cost of carrying out microgrid operation is minimum.
When electrical network electricity price electricity price at a low ebb, economic dispatch and optimization operation module 12, meeting in 80% basic cooling and heating load situation, disconnect all the other micro-power supplys, reduce system operation cost.In peak times of power consumption, guarantee all micro-power supply 90%-100% rated condition operations, electrical network is played to peak load shifting effect.When heat load demand is larger, reduce the energy output of micro-power supply.
Hot and cold, electric loading prediction that load prediction module 13 realizes, gathers load change in long term information, by prediction algorithm, predicts next information on load constantly.
Generating prediction module 14 prediction solar power generations, the short-term of wind-power generation unit and long-term generating capacity, exert oneself according to prediction distribution formula power supplys such as the variation of the type of distributed power source, primary energy, generating expense, environmental factor, time between overhauls(TBO)s.
When the short-term of 14 pairs of solar power generations of generating prediction module, wind-power generation unit and long-term generating capacity are predicted, according to the variation of the type of distributed power source, primary energy, generating expense, environmental factor, time between overhauls(TBO) situation prediction distribution formula power supply, exert oneself, Economic Operation in different energy sources price situation, Operation Mode Optimization, obtains optimum most economical operating condition.
Operating statistic is analyzed content:
| Image data (/ year) | Accounting price | Result of calculation |
| Average annual investment | 1 year | Year equipment cost |
| Total electricity volume | Rate for incorporation into the power network | Mesh portions income in generating |
| Heating load | Steam price | Heat supply income |
| For cold | Cool capacity price | Cooling income |
| Generating gas consumption | Primary energy price | Cost of electricity-generating |
| Heat supply gas consumption | Primary energy and steam price | Heat supply cost |
| Cooling gas consumption | Primary energy and cool capacity price | Cooling cost |
| The inspection and maintenance cycle | Repair and maintenance cost | Year recondition expense |
| Photovoltaic power generation quantity | Investment every year on average | Cost of electricity-generating |
| Wind-powered electricity generation energy output | Investment every year on average | Cost of electricity-generating |
According to operating statistic data, calculate, calculate system energy supply cost, income, energy output, heating load, supply cold, and carry out real-time change according to primary energy price, electricity price, steam price and cold price.
Claims (9)
1. the distributed energy management solutions device being divided into regard to stratum, intermediate layer and energy management layer, it is characterized in that: described energy management apparatus is the control structure of upper strata centralized management, by forming with regard to stratum (3), intermediate layer (2) and energy management layer (1);
Describedly with regard to stratum (3), comprise distributed electrical source controller, energy storage controller, load governor, inverter, current transformer, circuit breaker;
Described intermediate layer (2) comprises data communication module (21), operation control module (22), energy storage administration module (23), load management module (24);
Described energy management layer (1) comprises that data communication and monitoring module (11), economic dispatch and optimization move module (12), load prediction module (13), generating prediction module (14);
Describedly with regard to each controller of stratum (3), carry out data message with intermediate layer (2) and communicate by letter, (2) transmitting apparatus operation information to intermediate layer, and accept scheduling and the supervisory instruction in intermediate layer (2);
Described energy management layer (1) carries out data message communication with intermediate layer (2), gathers the microgrid real time data information of uploading in intermediate layer (2) and analyzes.
2. the distributed energy management solutions device being divided into regard to stratum, intermediate layer and energy management layer according to claim 1, described distributed electrical source controller is the distributed energy controller based on power electronics interface, and described load governor is arranged on each controllable burden.
3. the distributed energy management solutions device being divided into regard to stratum, intermediate layer and energy management layer according to claim 1 and 2, described intermediate layer (2) are by bus or optical fiber and with regard to stratum (3) with can management level to carry out data message mutual.
4. a kind of distributed energy management solutions method based on claim 1, is characterized in that, comprises the following steps:
With regard to stratum (3) each controller, gather real-time running data; According to local information, on the spot various micro-power supplys are controlled;
According to power load, regulate in real time micro-power supply energy output;
According to regulating in real time micro-power supply air displacement by heat with by refrigeration duty;
According to load condition and energy-storage system store status situation, regulating cell management system, regulates energy-storage system in charging, discharge time by BMS;
According to the running status of load condition reasonable distribution photovoltaic DC-to-AC converter and energy-storage system;
Intermediate layer (2) data communication module (21) receives the equipment operating data sending with regard to stratum (3) each controller; By analysis, formulate control strategy, each controller is managed and dispatched;
Intermediate layer (2) operation control module (22) detects large electric network fault and recovery situation, while large electric network fault being detected, instruction microgrid and electrical network disconnect, the grid-connected control mode switch of operation control module (22) instruction to also/from net control model, microgrid enters islet operation pattern; Detect after large power system restoration, operation control module (22) instruction is switched to from/grid-connected pattern, and microgrid enters and is incorporated into the power networks;
Intermediate layer (2) energy storage administration module (23) detects the charging and discharging state of storage battery, according to system requirements, storage battery is carried out to management of charging and discharging, and, reactive power meritorious to the working method of energy storage device and output controlled;
Intermediate layer (2) load management module (24) is divided into sensitive load, general load, interruptible load to the load in microgrid according to significance level, the processing that distributes micro-power supply according to the payload detecting, keep the balance between micro-generators and loads, when the lonely network operation of micro-electrical network, excision interruptible load or generally load, the normal power supply of assurance sensitive load;
The microgrid real time data information that upload to energy management layer (1) in intermediate layer (2);
(1) data communication of energy management layer and monitoring module (11) receive uploading data information, and the data that receive are carried out to picture disply, alarming processing, curve demonstration, report printing, topology coloring, history data store, rights management;
Energy management layer (1) economic dispatch and optimize operation module (12) to the power of each distributed power source in netting and energy storage device and and large electrical network between Power Exchange carry out integrated dispatch, the Financial cost of carrying out microgrid operation minimizes;
Energy management layer (1) load prediction module (13) is hot and cold to comprising, electric loading is predicted, gathers load change in long term information, by parser, predicts next information on load constantly;
Energy management layer (1) generating prediction module (14) is to the prediction of exerting oneself of the short-term of solar power generation, wind-power generation unit and long-term generating capacity.
5. a kind of distributed energy management solutions method according to claim 4, it is characterized in that, described with regard to each controller of stratum (3) to intermediate layer (2) transmitting apparatus operation information, comprise the state of power output, DC bus-bar voltage, photovoltaic array, storage battery.
6. according to a kind of distributed energy management solutions method described in claim 4 or 5, it is characterized in that, described intermediate layer (2) provide the complete control program of microgrid under two kinds of pattern switching conditions of grid-connected, lonely net; Be incorporated into the power networks under mode, distributed energy management solutions device is controlled micro-power acquisition PQ operational mode, according to power load, heating demand, confession refrigeration duty, regulate micro-power supply exhaust gas volumn, power output, adjusting photovoltaic DC-to-AC converter operational mode, by BMS, regulate energy-storage system store status, and according to the voltage of electrical network, frequency, electric current and input power, regulate the running status of micro-electrical network intermediate layer (2) equipment; Under decoupled mode, distributed energy management solutions device is controlled a stable micro-power acquisition VF, all the other micro-power acquisition PQ Controlling operation methods.
7. a kind of distributed energy management solutions method according to claim 6, it is characterized in that, described energy management layer (1) economic dispatch and optimize operation module (12) to the power of each distributed power source in netting and energy storage device and and large electrical network between Power Exchange while carrying out integrated dispatch, analysis distribution formula power supply provides cold and hot electric energy, effectively utilize regenerative resource, protection of the environment, reduce fuel cost and microgrid and the power trade situation between electrical network greatly; During electrical network electricity price electricity price at a low ebb, distributed energy management solutions device, meeting in 80% basic cooling and heating load situation, disconnects all the other micro-power supplys; In peak times of power consumption, all micro-power supply 90%-100% rated condition operations; When heat load demand is larger, reduce the energy output of micro-power supply.
8. according to a kind of distributed energy management solutions method described in claim 4,5 or 7, it is characterized in that, when described energy management layer (1) generating prediction module (14) is predicted the short-term of solar power generation, wind-power generation unit and long-term generating capacity, according to the variation of the type of distributed power source, primary energy, generating expense, environmental factor, time between overhauls(TBO) situation prediction distribution formula power supply, exert oneself.
9. a kind of distributed energy management solutions method according to claim 8, the described short term power with regard to the local microgrid internal system of stratum (3) and intermediate layer (2) coordination control is stable, and energy management layer (1) coordinates to control the long-term power stability of affiliated micro-grid system.
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| CN201410448914.4A CN104167763B (en) | 2014-09-04 | 2014-09-04 | Distributed energy management method |
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| CN201410448914.4A CN104167763B (en) | 2014-09-04 | 2014-09-04 | Distributed energy management method |
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| CN104979849A (en) * | 2015-06-30 | 2015-10-14 | 华南理工大学 | Grid-connected operation control method for user side microgrid |
| CN105048455A (en) * | 2015-07-30 | 2015-11-11 | 国网山东省电力公司烟台供电公司 | Wind power generation and adjustable load unified operation system |
| CN105119271A (en) * | 2015-07-30 | 2015-12-02 | 国电南京自动化股份有限公司 | Energy management and control system and method based on two-dimensional bidirectional energy deploying tree |
| CN105116809A (en) * | 2015-09-10 | 2015-12-02 | 国电南京自动化股份有限公司 | User customizable intelligent micro grid load control system and method |
| CN105844368A (en) * | 2016-04-13 | 2016-08-10 | 江西仪能新能源微电网协同创新有限公司 | Building and industry energy efficiency managing system |
| CN106410966A (en) * | 2016-11-02 | 2017-02-15 | 北京科诺伟业科技股份有限公司 | Energy management device for multi-energy complementary system |
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| CN108233361A (en) * | 2017-12-18 | 2018-06-29 | 中国电建集团福建省电力勘测设计院有限公司 | Towards the synthesis energy supplying system layering and zoning cooperative control method of garden microgrid |
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| CN104979849A (en) * | 2015-06-30 | 2015-10-14 | 华南理工大学 | Grid-connected operation control method for user side microgrid |
| CN105048455B (en) * | 2015-07-30 | 2017-10-13 | 国网山东省电力公司烟台供电公司 | A kind of wind-power electricity generation and deferrable load combined operation system |
| CN105048455A (en) * | 2015-07-30 | 2015-11-11 | 国网山东省电力公司烟台供电公司 | Wind power generation and adjustable load unified operation system |
| CN105119271A (en) * | 2015-07-30 | 2015-12-02 | 国电南京自动化股份有限公司 | Energy management and control system and method based on two-dimensional bidirectional energy deploying tree |
| CN105116809A (en) * | 2015-09-10 | 2015-12-02 | 国电南京自动化股份有限公司 | User customizable intelligent micro grid load control system and method |
| CN105844368A (en) * | 2016-04-13 | 2016-08-10 | 江西仪能新能源微电网协同创新有限公司 | Building and industry energy efficiency managing system |
| CN109275355A (en) * | 2016-05-27 | 2019-01-25 | 优索莱博系统有限公司 | Solar power generating device management system, solar power generating device management method and computer readable storage medium |
| CN106410966A (en) * | 2016-11-02 | 2017-02-15 | 北京科诺伟业科技股份有限公司 | Energy management device for multi-energy complementary system |
| CN106549503A (en) * | 2016-12-27 | 2017-03-29 | 国网上海市电力公司 | Sodium-sulphur battery Power Station Monitored Control System |
| CN106712086A (en) * | 2017-01-17 | 2017-05-24 | 无锡协鑫分布式能源开发有限公司 | Microgrid optimization control mode |
| CN106934535A (en) * | 2017-03-01 | 2017-07-07 | 贵州电网有限责任公司 | A kind of cold, heat and electricity triple supply coordinates control management device and method |
| CN107528385B (en) * | 2017-06-29 | 2018-08-24 | 国网辽宁省电力有限公司 | A kind of source net lotus control method for coordinating and system based on new energy consumption |
| CN107528385A (en) * | 2017-06-29 | 2017-12-29 | 国网辽宁省电力有限公司 | A kind of source net lotus control method for coordinating and system based on new energy consumption |
| CN107482773A (en) * | 2017-08-14 | 2017-12-15 | 杭州中恒云能源互联网技术有限公司 | It is a kind of based on internet+microgrid energy management system and method |
| CN111433996A (en) * | 2017-11-28 | 2020-07-17 | Ls电气株式会社 | Hierarchical power control system |
| CN108233361A (en) * | 2017-12-18 | 2018-06-29 | 中国电建集团福建省电力勘测设计院有限公司 | Towards the synthesis energy supplying system layering and zoning cooperative control method of garden microgrid |
| CN110519073A (en) * | 2018-05-22 | 2019-11-29 | 天津大学（青岛）海洋工程研究院有限公司 | A kind of communication means of family microgrid energy router energy management unit |
| CN109687504A (en) * | 2018-11-14 | 2019-04-26 | 杭州赫智电子科技有限公司 | Micro-capacitance sensor energy source optimization distribution side based on source lotus balance |
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| CN109755938A (en) * | 2019-01-23 | 2019-05-14 | 亿利资源集团有限公司 | Active distribution network and its control method |
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| CN110380397A (en) * | 2019-06-18 | 2019-10-25 | 天津大学 | A kind of control framework suitable for mesolow direct current distribution system |
| CN110380397B (en) * | 2019-06-18 | 2022-12-23 | 天津大学 | Control framework suitable for medium-low voltage direct current power distribution and utilization system |
| CN110401186A (en) * | 2019-07-13 | 2019-11-01 | 国网天津市电力公司 | Area power grid source net lotus stores up the ubiquitous Dispatching Control System of Multi-value coordination |
| CN111045330A (en) * | 2019-12-23 | 2020-04-21 | 南方电网科学研究院有限责任公司 | Attack identification method based on Elman neural network and grid-connected interface device |
| CN111127251A (en) * | 2019-12-23 | 2020-05-08 | 南方电网科学研究院有限责任公司 | Attack identification method based on LSTM neural network and grid-connected interface device |
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| CN111711214A (en) * | 2020-07-22 | 2020-09-25 | 兰州兰石恩力微电网有限公司 | Micro-grid dispatching monitoring system |
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