CN105119271A - Energy management and control system and method based on two-dimensional bidirectional energy deploying tree - Google Patents

Energy management and control system and method based on two-dimensional bidirectional energy deploying tree Download PDF

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CN105119271A
CN105119271A CN201510461120.6A CN201510461120A CN105119271A CN 105119271 A CN105119271 A CN 105119271A CN 201510461120 A CN201510461120 A CN 201510461120A CN 105119271 A CN105119271 A CN 105119271A
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energy
micro
microgrid
capacitance sensor
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CN105119271B (en
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赖晓路
孟宪侠
朱华婧
孙攀
孙锋
童欲豪
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Guodian Nanjing Automation Co Ltd
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Guodian Nanjing Automation Co Ltd
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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
    • 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
    • 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
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
    • 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
    • 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
    • Y04S10/14—Energy storage units
    • 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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Abstract

The invention discloses an energy management and control system and method based on a two-dimensional bidirectional energy deploying tree. The system includes an internetwork management and control layer, a region control layer and a local control layer; the internetwork management and control layer includes a micro grid energy management system and is used for deploying energy currents in micro grids and coordinating a plurality of micro power grids to realize combined control; the region control layer includes a micro grid central controller and a plurality of micro grids, wherein the micro grid central controller is used for deploying energy of the region control layer and collecting the electric quantity of the local control layer and comprehensively regulating and controlling micro grid operation; and the local control layer includes a distributed power controller and a load controller, and realizes micro grid transient power balance and load management. The method of the energy management and control system is characterized in that an energy deploying search mode is a mode combining random search starting from an upper-level micro power grid with sequential search of micro power grids of the same level, the hit rate of temporary transfer of energy is effectively improved, and system overhead is reduced.

Description

The energy management and control system and method for setting is allocated based on two-dimentional bidirectional energy
Technical field
The present invention relates to a kind of energy management based on two-dimentional bidirectional energy allotment tree and control system and method, belong to technical field of electric power automation, be specially adapted to micro-capacitance sensor region energy and manage and control field.
Background technology
Micro-capacitance sensor generally has multiple micro battery, as wind-powered electricity generation, photovoltaic, diesel engine generator etc., and the electric power energy that micro-capacitance sensor also can use traditional bulk power grid to provide.The energy management of micro-capacitance sensor and control system should at least comprise following module: data acquisition and monitoring, micro-capacitance sensor scheduling strategy and economical operation, micro-capacitance sensor state estimation, micro-capacitance sensor safety analysis etc.Wherein micro-capacitance sensor scheduling strategy and economical operation module determine micro-capacitance sensor and how to use distributed energy efficiently, and how how the operational mode of the level and smooth various micro-source of switching and micro-capacitance sensor, ensure a series of problems such as the stability of micro-capacitance sensor.
The energy management of current micro-capacitance sensor and control system generally adopt master-slave control mode, many agentbased control pattern and reciprocity control model, but often kind of control model all exists certain problem.
Master & slave control is exactly, in the control system of micro-capacitance sensor, certain controller is worked as host, and other are from controller, generally needs and write to each other between master-slave controller, and obeys master controller from controller.Various electric parameters in master controller real-time detecting system, the operation control objectives according to micro-capacitance sensor takes corresponding control measures, keeps voltage and the frequency stabilization of micro-capacitance sensor.There is following problem in master slave mode: the requirement being not easy " plug and play " that realize distributed energy under (1) micro-capacitance sensor master slave mode; (2) to delay machine or controlled node and main controlled node communication failure once main controlled node, master slave mode reasonably cannot allocate the relation of distributed energy and load in micro-capacitance sensor; (3) control rate is limited to traffic rate between main and subordinate node.
Multi-agent system is made up of by coacting multiple agency, and its elementary cell is agency, and agency can carry out interaction with its place environment.Agency is made up of 3 functional layers: management and organized layer, cooperation layer and execution level.Management and organized layer mainly obtain object definition or inquiry, and related constraint condition, comprise executive plan, functional assessment and study.The task of cooperation layer is the execution according to the basic process definition coming Self management and organized layer, action step activation action; Cooperation layer can be expanded action, thus responds event.Execution level is that a series of actions performs, and followed by the inspection to action.There is following problem in many proxy modes: (1) needs to customize special control strategy to each Agent; (2) requirement for traffic rate between Agent is high, and current existing means of communication is not easy to accomplish large-scale application; (3) Agent is an intelligent cell, and the intelligent algorithm of employing needs the accumulation of historical data, and therefore an Agent reaches optimum running status needs the longer time.
Equity controls to refer to that all distributed power sources in micro-capacitance sensor have identical status in control, there is not master slave relation between each controller, the voltage of each micro battery foundation access point and frequency independent operating.Equity control model shortcoming: during (1) isolated power grid, the voltage of micro-capacitance sensor and the deviation always existed between frequency and its rated value to a certain degree, and this error is not easily eliminated; (2) because the size of resistance in micro-capacitance sensor be can not ignore relative to reactance, the impact that micro-capacitance sensor voltage is subject to the impact of active power, frequency is subject to reactive power is also very remarkable, therefore adopts the sensitivity of the Droop control method of traditional droop characteristic may be not ideal enough.
Each node in two dimension energy allotment tree contains the energy keyword of micro-capacitance sensor wind-powered electricity generation, photovoltaic, energy storage, load, and it is corresponding that the energy system in region micro-capacitance sensor, sub-microgrid and micro-capacitance sensor and energy allocate the every one deck set.Each energy node and its father node, child node and the left and right brotgher of node interconnected.The advantage of this framework method is can the effectively change of distributed power source and load in dynamic management micro-capacitance sensor, because increase under this framework or delete a node, only affect former node and father node, and can not affect sibling, space utilization rate is higher; On the other hand, can carry out random energies allotment, and can carry out order energy allotment between the brotgher of node between father and son's node, the two-way dispensing mode of this two dimension can improve energy and temporarily transfer and be configured with validity hit rate.
The explanation of nouns of relevant technical terms:
Micro-capacitance sensor (Microgrid, MG): be the single controlled stand alone generating system be made up of distributed power source (DR), load, energy storage device and control device, by distributing rationally of local distributed power source or medium and small conventional Power Generation Mode, thering is provided the special electrical network of electric energy to neighbouring load, is a kind of fairly large autonomous system based on conventional power source; In the inner controllability by power supply and load of micro-capacitance sensor, fully meeting user on the basis of the quality of power supply and power supply safety requirement, realize micro-capacitance sensor be incorporated into the power networks or self-government runs; Micro-capacitance sensor externally shows as an integral unit, and smoothly can be incorporated to major network operation.
Distributed power source (Distrbutedresources, DR): for meeting the specific needs of user, support the economical operation of existing power distribution network or meet the requirement of these two aspects simultaneously, on-the-spot or near small-sized, and the electricity generation system of environmental compatible of user's situ configuration power number multikilowatt to MW class and user; Current most of distributed power source is based on new forms of energy, regenerative resource and thermoelectricity connection or hot cold Electricity Federation.
Energy storage: by control device by certain energy storage or release; Physics energy storage (as energy storage of drawing water, compressed-air energy storage, flywheel energy storage etc.), chemical energy storage (as lead-acid battery, redox flow batteries, sodium-sulphur battery, lithium ion battery) and Power Flow (as superconducting magnetic energy storage, ultracapacitor energy storage etc.) three major types can be divided into.
Multi-agent system (multi-agentsystem) be a kind of can intelligence and neatly to the system that the change of condition of work and the demand of surrounding process respond; Multi-agent system is made up of by coacting multiple agency, and its elementary cell is agency, and agency can carry out interaction with its place environment; Agency is made up of 3 functional layers: management and organized layer, cooperation layer and execution level.Management and organized layer mainly obtain object definition or inquiry, and related constraint condition, comprise executive plan, functional assessment and study; The task of cooperation layer is the execution according to the basic process definition coming Self management and organized layer, action step activation action; Cooperation layer can be expanded action, thus responds event.Execution level is that a series of actions performs, and followed by the inspection to action.
Summary of the invention
The object of the invention is the deficiency overcoming prior art existence, there is provided the energy management based on two-dimentional bidirectional energy allotment tree and control system and method, solving can to the technical problem of closing on micro-capacitance sensor or the sub-microgrid secondment energy time energy deficiency appears in single micro-capacitance sensor or sub-microgrid.
The present invention adopts following technical scheme: based on energy management and the control system of two-dimentional bidirectional energy allotment tree, it is characterized in that, comprise key-course between net, Region control layer, on the spot key-course, between described net, key-course is connected with described Region control layer, and described Region control layer is connected with described key-course on the spot; Between described net, key-course comprises microgrid energy management system, the trend of the allotment micro-capacitance sensor self-energy of described microgrid energy management system primary responsibility economization and coordinate multiple micro-capacitance sensor and jointly control; Described Region control layer comprises micro-capacitance sensor central controller, multiple micro-capacitance sensor, described micro-capacitance sensor central controller is responsible for allocating the energy of described Region control layer and is collected the information of each intelligent device in micro-capacitance sensor and the electric parameters of key-course on the spot described in gathering, the operation of comprehensive regulation micro-capacitance sensor; Described key-course on the spot comprises distributed power controller, load governor, and the transient power being used for being responsible for realizing micro-capacitance sensor balances and load management.
Preferably, the subordinate of micro-capacitance sensor is provided with multiple sub-microgrid, each micro-capacitance sensor comprises energy keyword, energy keyword comprises wind-powered electricity generation energy keyword, photovoltaic energy keyword, energy storage energy keyword, load and energy keyword, micro-capacitance sensor points to the pointer of sub-microgrid by energy keyword, is used for retrieving the situation of subordinate sub-microgrid energy input and output; Micro-capacitance sensor and sub-microgrid are by doubly linked list cascade; Sub-microgrid, sub-microgrid at the same level, the sub-microgrid of subordinate are connected to each other sub-microgrid with higher level respectively.
The present invention also proposes energy management based on two-dimentional bidirectional energy allotment tree and the method for control system, it is characterized in that, the energy allotment way of search mode that to be the stochastic searching of employing from sub-microgrid combine with the sequential search of peer sub-microgrid.
Preferably, specifically comprise the steps:
When there is grid-connected turn of unplanned property orphan net in SS1 micro-capacitance sensor, disconnect the switch of PCC point, under energy accumulation current converter being switched to v/f pattern, start timer, and whether detect timer overtime simultaneously, if timer is detected as time-out, then lonely net pattern failure;
SS2 judges the relation of sub-microgrid load and stored energy capacitance, if load is less than or equal to stored energy capacitance, then proceeds to step SS3; If load is greater than stored energy capacitance, then carry out time delay, then temporarily transfer the energy of sub-microgrid at the same level, if success, then proceed to step SS3; If failure, proceeds time delay, temporarily transfer the energy of the sub-microgrid of higher level simultaneously, if success, then proceed to step SS3, if failure, proceed to step SS4;
SS3 judges that whether micro-capacitance sensor busbar voltage, frequency be normal, and if so, then photovoltaic DC-to-AC converter or wind-powered electricity generation inverter startup, starts lonely net pattern; Otherwise proceed time delay, monitor micro-capacitance sensor busbar voltage, frequency simultaneously;
SS4 judges whether sub-microgrid load can excise, and if so, then excises secondary loads or one-level load, proceeds to step SS5; Otherwise proceed to step SS6;
SS5 judges whether sub-microgrid load is greater than stored energy capacitance, if so, then proceeds to step SS6; Otherwise proceed to step SS3;
SS6 return information: micro-capacitance sensor internal burden is excessive, v/f pattern starts appearance overload risk.
The beneficial effect that the present invention reaches: (1) adopts tree to organize the energy relationship between distributed power source (wind-powered electricity generation, photovoltaic), energy storage, load etc. of micro-capacitance sensor, can reflect the relation of multiple sub-microgrid and multilevel distributed power supply (wind-powered electricity generation, photovoltaic) in micro-capacitance sensor, energy storage, load clearly; (2) adopt the distributed power source (wind-powered electricity generation, photovoltaic) of the two-way tree-shaped anatomical connectivity micro-capacitance sensor of two dimension, energy storage, load and each sub-microgrid, improve the efficiency of energy allotment; (3) all kinds of distributed power source of micro-capacitance sensor and load, it is all dynamic change, adopt the two-way tree-shaped structure management micro-capacitance sensor of two dimension can improve the efficiency of EMS management O&M, because increase on this framework basis or delete a distributed power source or load, only affect atom microgrid and the sub-microgrid of higher level, and sub-microgrid at the same level can not be affected, space utilization rate is higher; (4) way of search is the mode adopting stochastic searching from sub-microgrid to combine with the sequential search of peer sub-microgrid, improves the hit rate that energy secondment is configured with validity.
Accompanying drawing explanation
Fig. 1 is of the present invention based on the two-dimentional energy management of bidirectional energy allotment tree and the Organization Chart of control system.
Fig. 2 is of the present invention based on the two-dimentional energy management of bidirectional energy allotment tree and the structural representation of control system.
Fig. 3 is the schematic diagram allocating the energy management of tree and a kind of embodiment of control system based on two-dimentional bidirectional energy of the present invention.
Fig. 4 is the flow chart allocating the energy management of tree and the method for control system based on two-dimentional bidirectional energy of the present invention.
Fig. 5 is that energy of the present invention allocates flow chart at random.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
Fig. 1 is of the present invention based on the two-dimentional energy management of bidirectional energy allotment tree and the Organization Chart of control system, the present invention adopts following technical scheme: based on energy management and the control system of two-dimentional bidirectional energy allotment tree, it is characterized in that, comprise key-course between net, Region control layer, on the spot key-course, between net, key-course is connected with Region control layer, and Region control layer is connected with key-course on the spot; Between net, key-course comprises microgrid energy management system, the trend of the allotment micro-capacitance sensor self-energy of microgrid energy management system primary responsibility economization and coordinate multiple micro-capacitance sensor and jointly control; Region control layer comprises micro-capacitance sensor central controller, multiple micro-capacitance sensor, micro-capacitance sensor central controller is responsible for the energy of allotment Region control layer and is collected the information of each intelligent device in micro-capacitance sensor and gather the electric parameters of key-course on the spot, the operation of comprehensive regulation micro-capacitance sensor; Key-course comprises distributed power controller, load governor on the spot, and the transient power being used for being responsible for realizing micro-capacitance sensor balances and load management.
Fig. 2 is of the present invention based on the two-dimentional energy management of bidirectional energy allotment tree and the structural representation of control system, the subordinate of micro-capacitance sensor is provided with multiple sub-microgrid, each micro-capacitance sensor comprises energy keyword, energy keyword comprises wind-powered electricity generation energy keyword, photovoltaic energy keyword, energy storage energy keyword, load and energy keyword, micro-capacitance sensor points to the pointer of sub-microgrid by energy keyword, is used for retrieving the situation of subordinate sub-microgrid energy input and output; Micro-capacitance sensor and sub-microgrid are by doubly linked list cascade; Sub-microgrid, sub-microgrid at the same level, the sub-microgrid of subordinate are connected to each other sub-microgrid with higher level respectively.
Fig. 3 is the structural representation allocating the energy management of tree and a kind of embodiment of control system based on two-dimentional bidirectional energy of the present invention, MicrogridA, MicrogridB, namely MicrogridC refers to micro-capacitance sensor A, micro-capacitance sensor B, micro-capacitance sensor C, micro-capacitance sensor A 3 Fans energy output are at a time respectively 3kW, 2.9kW, 3.2kW, with photovoltaic energy, energy storage energy is added and is still less than load 76kW, and the energy output of three Fans of micro-capacitance sensor B is respectively 10kW, 15kW, 6.8kW, wind power generation capacity and photovoltaic energy, energy storage energy is added and is greater than load 80kW, therefore micro-capacitance sensor A temporarily transfers the energy of 21kW from micro-capacitance sensor B.
Fig. 4 is the flow chart allocating the energy management of tree and the method for control system based on two-dimentional bidirectional energy of the present invention, the present invention also proposes based on the two-dimentional energy management of bidirectional energy allotment tree and the method for control system, it is characterized in that, energy allotment way of search is the mode adopting stochastic searching from sub-microgrid to combine with the sequential search of peer sub-microgrid, effectively improves the hit rate of energy secondment; Specifically comprise the steps:
When there is grid-connected turn of unplanned property orphan net in SS1 micro-capacitance sensor, disconnect the switch of PCC point, under energy accumulation current converter being switched to v/f pattern, start timer, and whether detect timer overtime simultaneously, if timer is detected as time-out, then lonely net pattern failure;
SS2 judges the relation of sub-microgrid load and stored energy capacitance, if load is less than or equal to stored energy capacitance, then proceeds to step SS3; If load is greater than stored energy capacitance, then carry out time delay, then temporarily transfer the energy of sub-microgrid at the same level, if success, then proceed to step SS3; If failure, proceeds time delay, temporarily transfer the energy of the sub-microgrid of higher level simultaneously, if success, then proceed to step SS3, if failure, proceed to step SS4;
SS3 judges that whether micro-capacitance sensor busbar voltage, frequency be normal, and if so, then photovoltaic DC-to-AC converter or wind-powered electricity generation inverter startup, starts lonely net pattern; Otherwise proceed time delay, monitor micro-capacitance sensor busbar voltage, frequency simultaneously;
SS4 judges whether sub-microgrid load can excise, and if so, then excises secondary loads or one-level load, proceeds to step SS5; Otherwise proceed to step SS6;
SS5 judges whether sub-microgrid load is greater than stored energy capacitance, if so, then proceeds to step SS6; Otherwise proceed to step SS3;
SS6 return information: micro-capacitance sensor internal burden is excessive, v/f pattern starts appearance overload risk.
Fig. 5 is that energy of the present invention allocates flow chart at random, and energy allocation process is as follows:
Step 1: start isolated power grid, judge whether the load of book microgrid inside is greater than stored energy capacitance, if so, then energy difference forelock is delivered to the sub-microgrid of higher level, proceed to step (2), otherwise proceed to step 5;
Step 2: the sub-microgrid of higher level travels through the sub-microgrid of its subordinate, success and sub-microgrid, for empty, if the match is successful for difference, then proceed to step 3 to carry out difference matching judgment difference coupling; If difference coupling is unsuccessful, then re-execute step 2; If fruit microgrid is empty, then proceed to step 4;
Step 3: the sub-microgrid of peer of the sub-microgrid of traversal higher level, proceeds difference and mates and judge that whether difference coupling is successful, if the match is successful for difference, then proceed to step 4; Otherwise it fails to match for difference, proceeds to step 5;
Step 4: the sub-microgrid energy of higher level is temporarily transferred unsuccessfully;
Step 5: the sub-microgrid energy of higher level is temporarily transferred successfully.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and distortion, these improve and distortion also should be considered as protection scope of the present invention.

Claims (4)

1. based on energy management and the control system of two-dimentional bidirectional energy allotment tree, it is characterized in that, comprise key-course between net, Region control layer, on the spot key-course, between described net, key-course is connected with described Region control layer, and described Region control layer is connected with described key-course on the spot; Between described net, key-course comprises microgrid energy management system, the trend of the allotment micro-capacitance sensor self-energy of described microgrid energy management system primary responsibility economization and coordinate multiple micro-capacitance sensor and jointly control; Described Region control layer comprises micro-capacitance sensor central controller, multiple micro-capacitance sensor, described micro-capacitance sensor central controller is responsible for allocating the energy of described Region control layer and is collected the information of each intelligent device in micro-capacitance sensor and the electric parameters of key-course on the spot described in gathering, the operation of comprehensive regulation micro-capacitance sensor; Described key-course on the spot comprises distributed power controller, load governor, and the transient power being used for being responsible for realizing micro-capacitance sensor balances and load management.
2. the energy management based on two-dimentional bidirectional energy allotment tree according to claim 1 and control system, it is characterized in that, the subordinate of described micro-capacitance sensor is provided with multiple sub-microgrid, each described micro-capacitance sensor comprises energy keyword, described energy keyword comprises wind-powered electricity generation energy keyword, photovoltaic energy keyword, energy storage energy keyword, load and energy keyword, described micro-capacitance sensor points to the pointer of described sub-microgrid by described energy keyword, is used for retrieving the situation of the sub-microgrid energy input and output of subordinate; Described micro-capacitance sensor and described sub-microgrid are by doubly linked list cascade; Sub-microgrid, sub-microgrid at the same level, the sub-microgrid of subordinate are connected to each other described sub-microgrid with higher level respectively.
3. adopt according to claim 1 based on the two-dimentional energy management of bidirectional energy allotment tree and the method for control system, it is characterized in that, energy allotment way of search is the mode adopting stochastic searching from sub-microgrid to combine with the sequential search of peer sub-microgrid.
4. the energy management based on two-dimentional bidirectional energy allotment tree according to claim 3 and control method, is characterized in that, specifically comprise the steps:
When there is grid-connected turn of unplanned property orphan net in SS1 micro-capacitance sensor, disconnect the switch of PCC point, under energy accumulation current converter being switched to v/f pattern, start timer, and whether detect timer overtime simultaneously, if timer is detected as time-out, then lonely net pattern failure;
SS2 judges the relation of sub-microgrid load and stored energy capacitance, if load is less than or equal to stored energy capacitance, then proceeds to step SS3; If load is greater than stored energy capacitance, then carry out time delay, then temporarily transfer the energy of sub-microgrid at the same level, if success, then proceed to step SS3; If failure, proceeds time delay, temporarily transfer the energy of the sub-microgrid of higher level simultaneously, if success, then proceed to step SS3, if failure, proceed to step SS4;
SS3 judges that whether micro-capacitance sensor busbar voltage, frequency be normal, and if so, then photovoltaic DC-to-AC converter or wind-powered electricity generation inverter startup, starts lonely net pattern; Otherwise proceed time delay, monitor micro-capacitance sensor busbar voltage, frequency simultaneously;
SS4 judges whether sub-microgrid load can excise, and if so, then excises secondary loads or one-level load, proceeds to step SS5; Otherwise proceed to step SS6;
SS5 judges whether sub-microgrid load is greater than stored energy capacitance, if so, then proceeds to step SS6; Otherwise proceed to step SS3;
SS6 return information: micro-capacitance sensor internal burden is excessive, v/f pattern starts appearance overload risk.
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