CN108090667A - Regional new energy receives partition method, apparatus and system - Google Patents

Regional new energy receives partition method, apparatus and system Download PDF

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Publication number
CN108090667A
CN108090667A CN201711334023.6A CN201711334023A CN108090667A CN 108090667 A CN108090667 A CN 108090667A CN 201711334023 A CN201711334023 A CN 201711334023A CN 108090667 A CN108090667 A CN 108090667A
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China
Prior art keywords
vector
matrix
partition
network
edge weights
Prior art date
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Pending
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CN201711334023.6A
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Chinese (zh)
Inventor
林霞
李可
李强
韩松
田凤字
揭鸣
揭一鸣
孔令元
李扬
廉震
冯相军
刘朋
王祥军
万卫东
胡太元
种法超
王龙
刘懿
黄昊
栾健
石磊
时永
朱思萌
李崭
王群
张英彬
李瑶
朱新颖
薛会
高常德
张立卓
张明智
王冲
王抒阅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Zaozhuang Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Zaozhuang Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Zaozhuang Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201711334023.6A priority Critical patent/CN108090667A/en
Publication of CN108090667A publication Critical patent/CN108090667A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/06Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063Operations research, analysis or management
    • G06Q10/0631Resource planning, allocation, distributing or scheduling for enterprises or organisations
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/06Electricity, gas or water supply

Abstract

The present invention provides a kind of regional new energy to receive partition method, apparatus and system, including:Regional power grids network is converted into edge weights figure, the Laplace operator matrix of calculating edge weights figure and its corresponding characteristic value and feature vector, the K for constructing Laplacian Matrix weigh the first minimal characteristic vector tectonic reverse vector matrix;Choose vertex of the point of partition vector matrix as sectionalizing of network.During subregion, the laod unbalance that each region generates, i.e. subarea management degree are mainly specifically contemplated that, the degree of balance is higher, and the degree of coupling is lower, can pass through its paricular value size and its definite partition scheme of character pair vector by Laplacian Spectra decomposition principle.

Description

Regional new energy receives partition method, apparatus and system
Technical field
The present invention relates to technical field of electric power, receive partition method and device in particular to a kind of regional new energy.
Background technology
To power grid and the most substantive reason itself affected precisely due to generation of electricity by new energy is special after energy access power grid The intermittence of property, is affected by weather.Wind field is influenced by wind speed size, and photovoltaic is then subject to intensity of illumination and its angle The influence of (except tracking mode).When new energy permeability is relatively low, and all opposite effect of electric network active reactive reserve is big, this influence It is not to power network safety operation very significantly, the influence to protection coordination is also small accordingly.But oozing when new energy It is this for operation of power networks and relay protection when being comparable to the transmission power size of power grid when degree increases thoroughly Influence cannot not draw attention.The generated energy that can be seen that photovoltaic from the new energy operative practice at scene can be in 10%- Change between 100%, such as the photovoltaic plant of a 50KW, it can change between 10KW to 50KW.And wind field not only changes Acutely, and the variation window of time is also smaller than photovoltaic, and also in full hair, next minute active output is approximately possible previous point of kind 0, from the point of view of usually operational monitoring, load prediction is affected by it most it is clear that its conventional treatment method passes through itself and high ferro It crosses and is equally considered as random shock load, to being at present to relevant art means are not taken.Certainly this be by new energy in itself Natural characteristic determine, although not carrying out corresponding management to it in method of operation management and protection level, not It is to say that new energy does not just affect power grid in this regard.On the contrary, it is exactly the new energy in the level that these be can't see Just changing the normal operation of power grid and the matching relationship of protection act behavior silently.
With the continuous access of the particularly large-scale wind field of new energy and its photovoltaic, due to its limited active and reactive adjusting Ability so that it is in current dispatching of power netwoks operation and is not involved in frequency modulation, the management that adjusting is idle.But with synchronous machine The firepower electrical plant of matter is progressively out of service, and new energy needs to participate in idle, active adjusting as a kind of main forms of electricity generation , subregion is carried out to existing electric system, but currently without effective electric system partition method, rationally accesses new energy Source.
For the problem that above-mentioned electric system carries out subregion, new energy is accessed, currently no effective solution has been proposed.
The content of the invention
Problem present in for the above-mentioned prior art, the present invention provides a kind of regional new energy to receive partition method.
In a first aspect, an embodiment of the present invention provides a kind of regional new energy to receive partition method, including:
Regional power grids network information is obtained, regional power grids network is converted into edge weights figure;
The weight of edge weights figure is set, calculates the Laplace operator matrix of edge weights figure and its corresponding characteristic value And feature vector;
According to the Laplace operator matrix of edge weights figure and its corresponding characteristic value and feature vector, La Pula is constructed The K of this matrix weighs the first minimal characteristic vector tectonic reverse vector matrix;
Choose vertex of the point of partition vector matrix as sectionalizing of network.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiment of first aspect, wherein, institute The method of stating further includes:
The corresponding row vector of first minimal eigenvalue is weighed according to partition vector matrix computations K, by comparing its vector each other Included angle cosine judge characteristic close degree between sectionalizing of network.
The possible embodiment of with reference to first aspect the first, an embodiment of the present invention provides second of first aspect Possible embodiment, wherein, the step of corresponding row vector of the first minimal eigenvalue is weighed according to partition vector matrix computations K it Afterwards, the method further includes:
K is weighed the corresponding row vector of the first minimal eigenvalue to be normalized.
With reference to first aspect, an embodiment of the present invention provides the third possible embodiment of first aspect, wherein, choosing After the step of taking the vertex put as sectionalizing of network of partition vector matrix, the method further includes:
Remaining point in partition vector matrix is assigned to according to the distance among vertex and regional center (RC) in subregion.
With reference to first aspect, an embodiment of the present invention provides the 4th kind of possible embodiment of first aspect, wherein, choosing After the step of taking the vertex put as sectionalizing of network of partition vector matrix, the method further includes:
The trend size institute accounting supplied according to characteristic value and new energy determines new energy access point.
Second aspect, the embodiment of the present invention additionally provide a kind of regional new energy and receive partitioning device, including:
Regional power grids network for obtaining regional power grids network information, is converted into edge weights figure by modular converter;
Characteristic value calculating module for setting the weight of edge weights figure, calculates the Laplace operator of edge weights figure Matrix and its corresponding characteristic value and feature vector;
Constructing module, for the Laplace operator matrix according to edge weights figure and its corresponding characteristic value and feature to Amount, the K for constructing Laplacian Matrix weigh the first minimal characteristic vector tectonic reverse vector matrix;
Division module, for choosing vertex of the point of partition vector matrix as sectionalizing of network.
With reference to second aspect, an embodiment of the present invention provides the first possible embodiment of second aspect, wherein, institute Device is stated to further include:
Judgment module for weighing the corresponding row vector of the first minimal eigenvalue according to partition vector matrix computations K, passes through ratio Included angle cosine compared with its vector each other judges characteristic close degree between sectionalizing of network.
With reference to the first possible embodiment of second aspect, an embodiment of the present invention provides second of second aspect Possible embodiment, wherein, described device further includes:
Normalizing module is normalized for K to be weighed the corresponding row vector of the first minimal eigenvalue.
The third aspect, an embodiment of the present invention provides a kind of regional new energy to receive partition system, including processor and deposits Reservoir, for storing the program that processor is supported to perform first aspect the method, the processor is configured the memory To be used to perform the program stored in the memory.
Fourth aspect, an embodiment of the present invention provides a kind of computer storage media, for saving as described in second aspect Device used in computer software instructions.
The embodiment of the present invention brings following advantageous effect:
An embodiment of the present invention provides a kind of regional new energy to receive partition method, including:Regional power grids network is converted Into edge weights figure, the Laplace operator matrix of edge weights figure and its corresponding characteristic value and feature vector, construction are calculated The K of Laplacian Matrix weighs the first minimal characteristic vector tectonic reverse vector matrix;The point of partition vector matrix is chosen as electricity The vertex of power subregion.During subregion, the laod unbalance that each region generates, i.e. subarea management are mainly specifically contemplated that Degree, the degree of balance is higher, and the degree of coupling is lower, can pass through its paricular value size and its character pair by Laplacian Spectra decomposition principle The definite partition scheme of vector.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification It obtains it is clear that being understood by implementing the present invention.The purpose of the present invention and other advantages in specification, claim Specifically noted structure is realized and obtained in book and attached drawing.
For the above objects, features and advantages of the present invention is enable to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, can also be obtained according to these attached drawings other attached drawings.
A kind of regional new energy that Fig. 1 is provided by first embodiment of the invention receives the flow chart of partition method;
A kind of regional new energy that Fig. 2 is provided by second embodiment of the invention receives the flow chart of partition method;
A kind of regional new energy that Fig. 3 is provided by third embodiment of the invention receives the flow chart of partition method;
A kind of regional new energy that Fig. 4 is provided by fourth embodiment of the invention receives the structural frames of partition method device Figure;
The regional new energy of another kind that Fig. 5 is provided by fifth embodiment of the invention receives the structural frames of partition method device Figure.
Specific embodiment
To make the destination of the embodiment of the present invention, technical solution and advantage clearer, below in conjunction with attached drawing to this hair Bright technical solution is clearly and completely described, it is clear that and described embodiment is part of the embodiment of the present invention, without It is whole embodiments.The component of embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawings can be with a variety of It configures to arrange and design.Therefore, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit below The scope of claimed invention processed, but it is merely representative of the selected embodiment of the present invention.Based on the embodiments of the present invention, Those of ordinary skill in the art's all other embodiments obtained without making creative work, belong to this hair The scope of bright protection.
For the problem that electric system carries out subregion, new energy is accessed, is described in detail below to the embodiment of the present invention.
Embodiment one
The flow chart that a kind of regional new energy shown in FIG. 1 receives partition method is participated in, this method is applied to specifically include Following steps:
S101. regional power grids network information is obtained, regional power grids network is converted into edge weights figure;
S102., the weight of edge weights figure is set, calculates the Laplace operator matrix of edge weights figure and its corresponding Characteristic value and feature vector;
S103. according to the Laplace operator matrix of edge weights figure and its corresponding characteristic value and feature vector, construction The K of Laplacian Matrix weighs the first minimal characteristic vector tectonic reverse vector matrix;
S104. vertex of the point of partition vector matrix as sectionalizing of network is chosen.
An embodiment of the present invention provides a kind of regional new energy to receive partition method, including:Regional power grids network is converted Into edge weights figure, the Laplace operator matrix of edge weights figure and its corresponding characteristic value and feature vector, construction are calculated The K of Laplacian Matrix weighs the first minimal characteristic vector tectonic reverse vector matrix;The point of partition vector matrix is chosen as electricity The vertex of power subregion.During subregion, the laod unbalance that each region generates, i.e. subarea management are mainly specifically contemplated that Degree, the degree of balance is higher, and the degree of coupling is lower, can pass through its paricular value size and its character pair by Laplacian Spectra decomposition principle The definite partition scheme of vector.
Embodiment two
The flow chart that a kind of regional new energy shown in Fig. 2 receives partition method is participated in, this method carries in embodiment one The regional new energy supplied is realized on the basis of receiving partition method, is specifically comprised the following steps:
S201. regional power grids network information is obtained, regional power grids network is converted into edge weights figure;
S202., the weight of edge weights figure is set, calculates the Laplace operator matrix of edge weights figure and its corresponding Characteristic value and feature vector;
S203. according to the Laplace operator matrix of edge weights figure and its corresponding characteristic value and feature vector, construction The K of Laplacian Matrix weighs the first minimal characteristic vector tectonic reverse vector matrix;
S204. the corresponding row vector of the first minimal eigenvalue is weighed according to partition vector matrix computations K, it is minimum that K is weighed first The corresponding row vector of characteristic value is normalized, and the included angle cosine by comparing its vector each other judges characteristic between sectionalizing of network Close degree.
S205. vertex of the point of partition vector matrix as sectionalizing of network is chosen.
An embodiment of the present invention provides a kind of regional new energy to receive partition method, including:Regional power grids network is converted Into edge weights figure, the Laplace operator matrix of edge weights figure and its corresponding characteristic value and feature vector, construction are calculated The K of Laplacian Matrix weighs the first minimal characteristic vector tectonic reverse vector matrix;The point of partition vector matrix is chosen as electricity The vertex of power subregion.Whole system can determine by the subregion distribution of the definite and last irrelevant characteristic quantity of boundary vector Trend subregion distribution map.And then the access point of extensive new energy is planned according to its network structure mechanism, for there is certain nothing The wind field of the active regulating power of work(can be according to its regulating power to subregion internal segment point selection access scheme, and is carried out at the same time and accordingly comments The method estimated.
Embodiment three
The flow chart that a kind of regional new energy shown in Fig. 3 receives partition method is participated in, this method carries in embodiment one The regional new energy supplied is realized on the basis of receiving partition method, is specifically comprised the following steps:
S301. regional power grids network information is obtained, regional power grids network is converted into edge weights figure;
S302., the weight of edge weights figure is set, calculates the Laplace operator matrix of edge weights figure and its corresponding Characteristic value and feature vector;
S303. according to the Laplace operator matrix of edge weights figure and its corresponding characteristic value and feature vector, construction The K of Laplacian Matrix weighs the first minimal characteristic vector tectonic reverse vector matrix;
S304. the corresponding row vector of the first minimal eigenvalue is weighed according to partition vector matrix computations K, it is minimum that K is weighed first The corresponding row vector of characteristic value is normalized, and the included angle cosine by comparing its vector each other judges characteristic between sectionalizing of network Close degree.
S305. vertex of the point of partition vector matrix as sectionalizing of network is chosen.
S306. remaining point in partition vector matrix is assigned to according to the distance among vertex and regional center (RC) in subregion It goes.
An embodiment of the present invention provides a kind of regional new energy to receive partition method, including:Regional power grids network is converted Into edge weights figure, the Laplace operator matrix of edge weights figure and its corresponding characteristic value and feature vector, construction are calculated The K of Laplacian Matrix weighs the first minimal characteristic vector tectonic reverse vector matrix;The point of partition vector matrix is chosen as electricity The vertex of power subregion.Angle between its paricular value size and its character pair vector can be passed through by Laplacian Spectra decomposition principle Cosine value determines trend partition scheme, i.e., from the perspective of engineer application namely definite subregion, further passes through boundary vector Determine and the distribution of the subregion of last irrelevant characteristic quantity is that can determine whole system trend subregion distribution map, according to its network Structure mechanism plans the access point of extensive new energy.It is corresponding with regional center (RC) K points to determine that boundary characteristic value corresponds to row vector The cosine angle of column vector, and its distance apart from regional center (RC) is determined according to the maximum connection minimum value of wind field tidal power generating, and The offset for determining trend according to this and the influence degree to subregion trend, can root for the wind field for having certain idle active regulating power According to its regulating power to subregion internal segment point selection access scheme, and it is carried out at the same time the method accordingly assessed.
Example IV
Subregion report method is received for the regional new energy that previous embodiment is provided, an embodiment of the present invention provides one The regional new energy of kind receives partitioning device, and a kind of regional new energy shown in Figure 4 receives the structure diagram of partitioning device, should Device includes such as lower part:
Regional power grids network for obtaining regional power grids network information, is converted into edge weights figure by modular converter;
Characteristic value calculating module for setting the weight of edge weights figure, calculates the Laplace operator of edge weights figure Matrix and its corresponding characteristic value and feature vector;
Constructing module, for the Laplace operator matrix according to edge weights figure and its corresponding characteristic value and feature to Amount, the K for constructing Laplacian Matrix weigh the first minimal characteristic vector tectonic reverse vector matrix;
Division module, for choosing vertex of the point of partition vector matrix as sectionalizing of network.
An embodiment of the present invention provides a kind of regional new energy to receive partitioning device, including:Regional power grids network is converted Into edge weights figure, the Laplace operator matrix of edge weights figure and its corresponding characteristic value and feature vector, construction are calculated The K of Laplacian Matrix weighs the first minimal characteristic vector tectonic reverse vector matrix;The point of partition vector matrix is chosen as electricity The vertex of power subregion.
Embodiment five
Subregion report method is received for the regional new energy that previous embodiment is provided, an embodiment of the present invention provides one The regional new energy of kind receives partitioning device, and a kind of regional new energy shown in Figure 5 receives the structure diagram of partitioning device, should Device includes such as lower part:
Regional power grids network for obtaining regional power grids network information, is converted into edge weights figure by modular converter;
Characteristic value calculating module for setting the weight of edge weights figure, calculates the Laplace operator of edge weights figure Matrix and its corresponding characteristic value and feature vector;
Constructing module, for the Laplace operator matrix according to edge weights figure and its corresponding characteristic value and feature to Amount, the K for constructing Laplacian Matrix weigh the first minimal characteristic vector tectonic reverse vector matrix;
Division module, for choosing vertex of the point of partition vector matrix as sectionalizing of network.
Judgment module for weighing the corresponding row vector of the first minimal eigenvalue according to partition vector matrix computations K, passes through ratio Included angle cosine compared with its vector each other judges characteristic close degree between sectionalizing of network.
Normalizing module is normalized for K to be weighed the corresponding row vector of the first minimal eigenvalue.
An embodiment of the present invention provides a kind of regional new energy to receive partitioning device, including:Regional power grids network is converted Into edge weights figure, the Laplace operator matrix of edge weights figure and its corresponding characteristic value and feature vector, construction are calculated The K of Laplacian Matrix weighs the first minimal characteristic vector tectonic reverse vector matrix;The point of partition vector matrix is chosen as electricity The vertex of power subregion.Whole system can determine by the subregion distribution of the definite and last irrelevant characteristic quantity of boundary vector Trend subregion distribution map.And then the access point of extensive new energy is planned according to its network structure mechanism, for there is certain nothing The wind field of the active regulating power of work(can be according to its regulating power to subregion internal segment point selection access scheme, and is carried out at the same time and accordingly comments The method estimated.
The embodiment of the present invention additionally provides a kind of regional new energy and receives partition system, including processor and memory, institute State memory for store processor is supported to perform the program for the method that above-described embodiment provides, the processor is configured as using The program stored in the execution memory.
The embodiment of the present invention additionally provides a kind of computer storage media, for saving as the device of above-described embodiment offer Computer software instructions used.
It should be noted that in embodiment provided by the present invention, it should be understood that disclosed system and method, it can To realize by another way.The apparatus embodiments described above are merely exemplary, for example, the unit is drawn Point, it is only a kind of division of logic function, there can be other dividing mode in actual implementation, in another example, multiple units or group Part may be combined or can be integrated into another system or some features can be ignored or does not perform.It is described to be used as separation unit The unit that part illustrates may or may not be physically separate, and the component shown as unit can be or also may be used Not to be physical location, you can be located at a place or can also be distributed in multiple network element.It can be according to reality Need some or all of unit therein is selected to realize the destination of this embodiment scheme.
In addition, each functional unit in embodiment provided by the invention can be integrated in a processing unit, also may be used To be that unit is individually physically present, can also two or more units integrate in a unit.
If the function is realized in the form of SFU software functional unit and is independent production marketing or in use, can be with It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words The part contribute to the prior art or the part of the technical solution can be embodied in the form of software product, the meter Calculation machine software product is stored in a storage medium, is used including some instructions so that a computer equipment (can be People's computer, server or network equipment etc.) perform all or part of the steps of the method according to each embodiment of the present invention. And foregoing storage medium includes:USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic disc or CD.
In addition, term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or implying phase To importance.
Finally it should be noted that:Embodiment described above is only the specific embodiment of the present invention, to illustrate the present invention Technical solution, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair It is bright to be described in detail, it will be understood by those of ordinary skill in the art that:Any one skilled in the art In the technical scope disclosed by the present invention, can still modify to the technical solution recorded in previous embodiment or can be light It is readily conceivable that variation or equivalent substitution is carried out to which part technical characteristic;And these modifications, variation or replacement, do not make The essence of appropriate technical solution departs from the spirit and scope of technical solution of the embodiment of the present invention, should all cover the protection in the present invention Within the scope of.Therefore, protection scope of the present invention described should be subject to the protection scope in claims.

Claims (10)

1. a kind of area new energy receives partition method, which is characterized in that including:
Regional power grids network information is obtained, regional power grids network is converted into edge weights figure;
The weight of edge weights figure, the Laplace operator matrix of calculating edge weights figure and its corresponding characteristic value and spy are set Sign vector;
According to the Laplace operator matrix of edge weights figure and its corresponding characteristic value and feature vector, Laplce's square is constructed The K of battle array weighs the first minimal characteristic vector tectonic reverse vector matrix;
Choose vertex of the point of partition vector matrix as sectionalizing of network.
2. according to the method described in claim 1, it is characterized in that, the method further includes:
The corresponding row vector of first minimal eigenvalue is weighed according to partition vector matrix computations K, by comparing the folder of its vector each other Angle cosine judges characteristic close degree between sectionalizing of network.
3. according to the method described in claim 2, it is characterized in that, the first minimal characteristic is weighed according to partition vector matrix computations K After the step of being worth corresponding row vector, the method further includes:
K is weighed the corresponding row vector of the first minimal eigenvalue to be normalized.
4. according to the method described in claim 1, it is characterized in that, choose top of the point of partition vector matrix as sectionalizing of network After the step of point, the method further includes:
Remaining point in partition vector matrix is assigned to according to the distance among vertex and regional center (RC) in subregion.
5. according to the method described in claim 1, it is characterized in that, choose top of the point of partition vector matrix as sectionalizing of network After the step of point, the method further includes:
The trend size institute accounting supplied according to characteristic value and new energy determines new energy access point.
6. a kind of area new energy receives partitioning device, which is characterized in that described device includes:
Regional power grids network for obtaining regional power grids network information, is converted into edge weights figure by modular converter;
Characteristic value calculating module for setting the weight of edge weights figure, calculates the Laplace operator matrix of edge weights figure And its corresponding characteristic value and feature vector;
Constructing module, for the Laplace operator matrix according to edge weights figure and its corresponding characteristic value and feature vector, The K of construction Laplacian Matrix weighs the first minimal characteristic vector tectonic reverse vector matrix;
Division module, for choosing vertex of the point of partition vector matrix as sectionalizing of network.
7. device according to claim 6, which is characterized in that described device further includes:
Judgment module, for weighing the corresponding row vector of the first minimal eigenvalue according to partition vector matrix computations K, by comparing it The included angle cosine of vector judges characteristic close degree between sectionalizing of network each other.
8. device according to claim 6, which is characterized in that described device further includes:
Normalizing module is normalized for K to be weighed the corresponding row vector of the first minimal eigenvalue.
9. a kind of area new energy receives partition system, which is characterized in that including processor and memory, the memory is used for Storage supports processor perform claim to require the program of 1 to 5 any one the method, and the processor is configurable for holding The program stored in the row memory.
10. a kind of computer storage media, which is characterized in that for saving as the device described in claim 1 to 5 any one Computer software instructions used.
CN201711334023.6A 2017-12-13 2017-12-13 Regional new energy receives partition method, apparatus and system Pending CN108090667A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103093097A (en) * 2013-01-15 2013-05-08 天津大学 Electrical power system fragile section identification method based on normalized-cut
CN103606115A (en) * 2013-12-05 2014-02-26 国家电网公司 Evaluation method of energy-saving type power grid
CN104952002A (en) * 2015-07-14 2015-09-30 南昌大学 Urban low-voltage partitioning method based on spectral clustering algorithm
CN106886978A (en) * 2017-02-16 2017-06-23 清华大学深圳研究生院 A kind of super resolution ratio reconstruction method of image

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103093097A (en) * 2013-01-15 2013-05-08 天津大学 Electrical power system fragile section identification method based on normalized-cut
CN103606115A (en) * 2013-12-05 2014-02-26 国家电网公司 Evaluation method of energy-saving type power grid
CN104952002A (en) * 2015-07-14 2015-09-30 南昌大学 Urban low-voltage partitioning method based on spectral clustering algorithm
CN106886978A (en) * 2017-02-16 2017-06-23 清华大学深圳研究生院 A kind of super resolution ratio reconstruction method of image

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Application publication date: 20180529