CN104200403A - Evaluation method and device - Google Patents
Evaluation method and device Download PDFInfo
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- CN104200403A CN104200403A CN201410499095.6A CN201410499095A CN104200403A CN 104200403 A CN104200403 A CN 104200403A CN 201410499095 A CN201410499095 A CN 201410499095A CN 104200403 A CN104200403 A CN 104200403A
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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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Abstract
The invention provides an evaluation method and device. The method comprises the steps as follows: firstly, responding to the evaluation request input by a user, and establishing power supply zones according to a preset power distribution network; secondly, establishing spare power automatic switching models in the power supply zones; finally, evaluating the power supply zones through utilizing the preset evaluation principle, so as to obtain an evaluation result. According to the evaluation method and the device, the potential safety hazard exists in the power distribution network is found through the evaluation on the power distribution network, so that the problem that the safety of a power system is lowered due to the potential safety hazard of the power distribution network is avoided.
Description
Technical field
The present invention relates to power distribution network technical field, particularly relate to a kind of evaluating method and device.
Background technology
Power distribution network refers to from power transmission network or regional generating plant accepts electric energy, is distributed on the spot or distributed to step by step by voltage the power network of all types of user by distribution facility.
In prior art; dispatcher can only qualitatively judge external factors such as weather by rule of thumb; cannot the impact of quantitative evaluation external factor on power distribution network; be difficult to adapt to the fast-developing and increasingly sophisticated situation of power distribution network; and then conventionally can there is potential safety hazard because of power distribution network, cause the security of electric system the to reduce problem of (as: large-area power-cuts, power distribution network disintegrate etc.).
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of evaluating method and device, finds the potential safety hazard that power distribution network exists, and then avoids the potential safety hazard because of power distribution network, the problem that causes power system security to reduce by the evaluation and test to power distribution network.
To achieve these goals, the technical scheme that the embodiment of the present invention provides is as follows:
An evaluating method, comprising:
The evaluation and test request of response user input, sets up power supply zone according to the power distribution network setting in advance;
In described power supply zone, set up prepared auto restart model;
The evaluation rule that utilization sets in advance is evaluated and tested described power supply zone, obtains evaluation result.
Preferably, the evaluation and test request of described response user input, according to the power distribution network setting in advance, set up power supply zone and comprise:
The evaluation and test request of response user input, carries out network topology analysis to the power distribution network setting in advance;
According to the power supply zone sign of carrying in described evaluation and test request, the power distribution network carrying out after network topology analysis is calculated, set up power supply zone.
Preferably, also comprise:
The assessment request of response user input, the Rules of Assessment calculating assessment result of utilizing described evaluation result and setting in advance.
Preferably, the assessment request of response user input, the Rules of Assessment calculating assessment result of utilizing described evaluation result and setting in advance, comprising:
The assessment request of response user input, obtains the evaluation condition carrying in described assessment request;
According to described evaluation condition, evaluation result and the Rules of Assessment that sets in advance, calculate assessment result.
Preferably, described evaluation condition is risks and assumptions.
An evaluating apparatus, comprising:
Response unit, for responding the evaluation and test request of user's input, sets up power supply zone according to the power distribution network setting in advance;
Model is set up unit, for setting up prepared auto restart model at described power supply zone;
Evaluation and test unit, for utilizing the evaluation rule setting in advance to evaluate and test described power supply zone, obtains evaluation result.
Preferably, described response unit comprises:
Topology analysis units, for responding the evaluation and test request of user's input, carries out network topology analysis to the power distribution network setting in advance;
Response subelement, for the power supply zone sign of carrying according to described evaluation and test request, calculates the power distribution network carrying out after network topology analysis, sets up power supply zone.
Preferably, also comprise:
Computing unit, for responding the assessment request of user's input, the Rules of Assessment calculating assessment result of utilizing described evaluation result and setting in advance.
Preferably, described computing unit comprises:
Evaluation condition acquiring unit, for responding the assessment request of user's input, obtains the evaluation condition carrying in described assessment request;
Computation subunit, for calculating assessment result according to described evaluation condition, evaluation result and the Rules of Assessment that sets in advance.
Preferably, described evaluation condition is risks and assumptions.
The application provides a kind of evaluating method and device, evaluation and test by response user input is asked, according to the power distribution network setting in advance, set up power supply zone, and in power supply zone, set up prepared auto restart model, finally utilize the evaluation rule setting in advance to evaluate and test power supply zone, obtain evaluation result, the application is by finding to the evaluation and test of power distribution network the potential safety hazard that power distribution network exists, and then avoid the potential safety hazard because of power distribution network, the problem that causes power system security to reduce.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
A kind of evaluating method process flow diagram that Fig. 1 provides for the embodiment of the present application one;
The structural representation of a kind of evaluating apparatus that Fig. 2 provides for the embodiment of the present application two.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment mono-:
A kind of evaluating method process flow diagram that Fig. 1 provides for the embodiment of the present application one.
As shown in Figure 1, the method comprises:
The evaluation and test request of S101, response user input, sets up power supply zone according to the power distribution network setting in advance.
In a kind of evaluating method providing in the embodiment of the present application, preferably, the evaluation and test request of response user input, the power distribution network setting in advance is carried out to network topology analysis, as: by power supply zone electric pressure, carry out topological analysis, this power distribution network is become to switching branches model by CIM model conversion, calculate network topology structure.
When the power distribution network setting in advance is carried out after network topology analysis, can be according to the power supply zone sign of carrying in this evaluation and test request, the power distribution network that this is carried out after network topology analysis calculates, obtain power supply zone, as: when the power supply zone carrying is designated 220kV, centered by Ze Yi 220kV transformer station, set up power supply zone in this evaluation and test request; When the power supply zone carrying in this evaluation and test request is designated 110kV, centered by Ze Yi 110kV transformer station, set up power supply zone, below be only the optimal way of the embodiment of the present application, inventor can also arrange arbitrarily the Criterion of this power supply zone according to the demand of oneself, at this, do not limit.
In a kind of evaluating method that the embodiment of the present application provides, setting up power supply zone is to be based upon power distribution network to carry out on the basis of network topology, it can effectively guarantee that a fault in power supply zone is negligible on the impact of the equipment of other power supply zones, when being analyzed, the fault in a certain power supply zone with regard to not needing, other power supply zones are calculated like this, to raise the efficiency.
S102, in power supply zone, set up prepared auto restart model.
In the embodiment of the present application after setting up power supply zone, need to set up prepared auto restart model according to the actual conditions of this power supply zone, as: main transformer prepared auto restart model, circuit backup power automatic switching model, the prepared auto restart model of other equipment etc., so that analyze afterwards due to inclement weather, equipment deficiency, a plurality of equipment that the reasons such as human error cause (comprising: major network circuit, bus, main transformer) the major network failure risk that while or successive failure cause, consider the prepared auto restart situation of falling row after fault actions, the action meeting of these prepared auto restarts is arranged opposite side by the dead electricity load causing due to fault automatically.
The evaluation rule that S103, utilization set in advance is evaluated and tested power supply zone, obtains evaluation result.
In the embodiment of the present application, preferred, power supply zone during evaluation rule should be for carrying out for branch road.The node branch road connected graph of model power supply zone, then search for arbitrary the spanning tree of this figure, generate based on this monotroded Zhi Huilu, and then a subregion is merged into in the loop that has common edge, the corresponding branch road in these torus partitionings is removed from figure, and remaining radial branch road carries out subregion by connectedness.
For Branch Type equipment, anticipation is cut-off, cut-off cause that power supply zone is connective to be destroyed in the situation that not considering anticipation, owing to re-starting distribution in associated branch in the trend Jiang district of anticipation after cut-offfing, in district, the trend of branch road distributes and may have larger variation, but according to area principle, outside district, branch road and this branch road do not form ring, therefore very little on the impact of Branch Power Flow outside district, in the district that only in district, trend redistribution causes, the variation of meritorious and reactive loss is redistributed the small impact of place, Jiang Dui district generation in frequency modulation or voltage controller power source, this is completely negligible in safety analysis.
In the embodiment of the present application, after setting up prepared auto restart model, need utilize this evaluation rule setting in advance to evaluate and test power supply zone, obtain evaluation result.
In the embodiment of the present application, preferably, this evaluation result is fault collection, can be so that those skilled in the art understand the potential safety hazard that this power distribution network exists by this fault collection, it is more than the optimal way of the embodiment of the present application, inventor can also arrange arbitrarily the form of expression of this evaluation result according to the demand of oneself, at this, do not limit.
In the embodiment of the present application, preferably, while adopting above-mentioned partition method to carry out subregion to actual power distribution network, a large power distribution network may be decomposed into one or several larger subregion and many little subregions, for large subregion, the scale of its fault collection may be still larger, therefore be necessary further to decompose, with the fault collection of fast filtering safety, and the emphasis of concern be positioned to the fault that needs labor that may have safety problem.
Further, in a kind of evaluating method providing in the embodiment of the present application, also comprise: the assessment request of response user input, the Rules of Assessment calculating assessment result of utilizing evaluation result and setting in advance.
In the embodiment of the present application, preferred, the assessment request of response user input, utilize evaluation result and process that the Rules of Assessment that sets in advance calculates assessment result is: the assessment request of response user input, obtain the evaluation condition carrying in assessment request; According to evaluation condition, evaluation result and the Rules of Assessment that sets in advance, calculate assessment result.
In the embodiment of the present application, preferably, assessment result is a plurality of equipment whiles or the successive failure causing due to reasons such as inclement weather, equipment deficiency, human errors, as the line tripping that causes of thunderbolt and respective switch tripping or malfunction cause the expansion of power failure equipments etc., and the fault situation showing under different topological structures and different wiring situation is also different, the power failure range causing is also different.
And in the embodiment of the present application, preferably, assessment result directly applies to scheduling decision, therefore assessment result need can be intuitively, comprehensively, the current operation conditions of reaction power distribution network of system, conventional assessment result is power loss expectation value, electric weight expectation value, stoppage in transit probability, stoppage in transit frequency etc.Evaluation condition is risks and assumptions, and above is only the optimal way of the embodiment of the present application, and inventor can also arrange arbitrarily the concrete manifestation form of this risks and assumptions and assessment result according to the demand of oneself, at this, introduce no longer one by one.
The Rules of Assessment that different assessment result (as: power loss expectation value, electric weight expectation value, stoppage in transit probability, stoppage in transit frequency etc.) is corresponding different, and belong to prior art according to the process that evaluation condition and the Rules of Assessment that sets in advance calculate assessment result, detailed description refers to prior art, at this, is not described in detail.
The embodiment of the present application provides a kind of evaluating method, the method is asked by the evaluation and test of response user input, according to the power distribution network setting in advance, set up power supply zone, and in power supply zone, set up prepared auto restart model, finally utilize the evaluation rule setting in advance to evaluate and test power supply zone, obtain evaluation result, the application is by finding to the evaluation and test of power distribution network the potential safety hazard that power distribution network exists, and then avoid the potential safety hazard because of power distribution network, the problem that causes power system security to reduce.
Embodiment bis-:
The structural representation of a kind of evaluating apparatus that Fig. 2 provides for the embodiment of the present application two.
As shown in Figure 2, this device comprises:
Response unit 1, for responding the evaluation and test request of user's input, sets up power supply zone according to the power distribution network setting in advance.
In the embodiment of the present application, preferred, this response unit 1 comprises: topology analysis units, for responding the evaluation and test request of user's input, carries out network topology analysis to the power distribution network setting in advance; Response subelement, for the power supply zone sign of carrying according to evaluation and test request, calculates the power distribution network carrying out after network topology analysis, sets up power supply zone.
Model is set up unit 2, for set up prepared auto restart model at power supply zone.
Evaluation and test unit 3, for utilizing the evaluation rule setting in advance to evaluate and test power supply zone, obtains evaluation result.
Further, in a kind of evaluating apparatus providing in the embodiment of the present application two, also comprise: computing unit, for responding the assessment request of user's input, the Rules of Assessment calculating assessment result of utilizing evaluation result and setting in advance.
In the embodiment of the present application, preferred, this computing unit comprises: evaluation condition acquiring unit, for responding the assessment request of user's input, obtains the evaluation condition carrying in assessment request; Computation subunit, for calculating assessment result according to evaluation condition, evaluation result and the Rules of Assessment that sets in advance.
The embodiment of the present application provides a kind of evaluating apparatus, this device comprises response unit, model is set up unit and evaluation and test unit, first the evaluation and test that responds user input by response unit is asked, according to the power distribution network setting in advance, set up power supply zone, and by model, set up unit and in power supply zone, set up prepared auto restart model, the evaluation rule finally being set in advance by evaluation and test unit by using is evaluated and tested power supply zone, obtain evaluation result, the application is by finding to the evaluation and test of power distribution network the potential safety hazard that power distribution network exists, and then avoid the potential safety hazard because of power distribution network, the problem that causes power system security to reduce.
In the present invention, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.For the disclosed device of embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part partly illustrates referring to method.
Below be only the preferred embodiment of the present invention, make those skilled in the art can understand or realize the present invention.To the multiple modification of these embodiment, will be apparent to one skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an evaluating method, is characterized in that, comprising:
The evaluation and test request of response user input, sets up power supply zone according to the power distribution network setting in advance;
In described power supply zone, set up prepared auto restart model;
The evaluation rule that utilization sets in advance is evaluated and tested described power supply zone, obtains evaluation result.
2. method according to claim 1, is characterized in that, the evaluation and test request of described response user input is set up power supply zone according to the power distribution network setting in advance and comprised:
The evaluation and test request of response user input, carries out network topology analysis to the power distribution network setting in advance;
According to the power supply zone sign of carrying in described evaluation and test request, the power distribution network carrying out after network topology analysis is calculated, set up power supply zone.
3. method according to claim 2, is characterized in that, also comprises:
The assessment request of response user input, the Rules of Assessment calculating assessment result of utilizing described evaluation result and setting in advance.
4. method according to claim 3, is characterized in that, the assessment request of response user input, and the Rules of Assessment calculating assessment result of utilizing described evaluation result and setting in advance, comprising:
The assessment request of response user input, obtains the evaluation condition carrying in described assessment request;
According to described evaluation condition, evaluation result and the Rules of Assessment that sets in advance, calculate assessment result.
5. method according to claim 4, is characterized in that, described evaluation condition is risks and assumptions.
6. an evaluating apparatus, is characterized in that, comprising:
Response unit, for responding the evaluation and test request of user's input, sets up power supply zone according to the power distribution network setting in advance;
Model is set up unit, for setting up prepared auto restart model at described power supply zone;
Evaluation and test unit, for utilizing the evaluation rule setting in advance to evaluate and test described power supply zone, obtains evaluation result.
7. device according to claim 6, is characterized in that, described response unit comprises:
Topology analysis units, for responding the evaluation and test request of user's input, carries out network topology analysis to the power distribution network setting in advance;
Response subelement, for the power supply zone sign of carrying according to described evaluation and test request, calculates the power distribution network carrying out after network topology analysis, sets up power supply zone.
8. device according to claim 7, is characterized in that, also comprises:
Computing unit, for responding the assessment request of user's input, the Rules of Assessment calculating assessment result of utilizing described evaluation result and setting in advance.
9. device according to claim 8, is characterized in that, described computing unit comprises:
Evaluation condition acquiring unit, for responding the assessment request of user's input, obtains the evaluation condition carrying in described assessment request;
Computation subunit, for calculating assessment result according to described evaluation condition, evaluation result and the Rules of Assessment that sets in advance.
10. device according to claim 9, is characterized in that, described evaluation condition is risks and assumptions.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410499095.6A CN104200403A (en) | 2014-09-25 | 2014-09-25 | Evaluation method and device |
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| CN201410499095.6A CN104200403A (en) | 2014-09-25 | 2014-09-25 | Evaluation method and device |
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| CN104200403A true CN104200403A (en) | 2014-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590583A (en) * | 2020-05-27 | 2020-08-28 | 太原理工大学 | Intelligent chess playing method based on big data |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437573A (en) * | 2011-12-29 | 2012-05-02 | 广东电网公司深圳供电局 | Evaluation and control method and system for reliability of electric distribution network based on fuzzy modeling |
| CN103955762A (en) * | 2014-04-23 | 2014-07-30 | 国家电网公司 | Method for risk evaluation through main network and distribution network united cooperative calculation |
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- 2014-09-25 CN CN201410499095.6A patent/CN104200403A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437573A (en) * | 2011-12-29 | 2012-05-02 | 广东电网公司深圳供电局 | Evaluation and control method and system for reliability of electric distribution network based on fuzzy modeling |
| CN103955762A (en) * | 2014-04-23 | 2014-07-30 | 国家电网公司 | Method for risk evaluation through main network and distribution network united cooperative calculation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590583A (en) * | 2020-05-27 | 2020-08-28 | 太原理工大学 | Intelligent chess playing method based on big data |
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Application publication date: 20141210 |