CN103345715B - Electrical equipment transformation method - Google Patents
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- CN103345715B CN103345715B CN201310280011.5A CN201310280011A CN103345715B CN 103345715 B CN103345715 B CN 103345715B CN 201310280011 A CN201310280011 A CN 201310280011A CN 103345715 B CN103345715 B CN 103345715B
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Abstract
A kind of electrical equipment transformation method, comprises step: the equipment information obtaining each power equipment; The priority conditions preset is utilized to judge described equipment information, if power equipment corresponding to the equipment information meeting described priority conditions is set to transform the high power equipment of priority, otherwise being set to transform the low power equipment of priority, described priority conditions comprises qualitative judgement condition and rational judgment condition; The power equipment that described transformation priority is low is carried out power equipment risk assessment and obtains value-at-risk; Obtain the operation year limit information of the low power equipment of described transformation priority; Calculate economic index value and expansionary desired value that the low power equipment of described transformation priority runs; The sequencing information of the low power equipment of the described transformation priority of transformation is calculated according to described value-at-risk, operation year limit information and economic index value and expansionary desired value; According to priority and sequencing information, power equipment is transformed. The present invention reduces the safe operation risk that power equipment exists.
Description
Technical field
The present invention relates to power equipment transformation field, particularly relate to electrical equipment transformation method.
Background technology
The demand of electric power energy is constantly increased by the fast development of Chinese national economy, but the development of partial electric grid facility relatively lags behind, power equipment is relatively aging proposes challenge to electric power netting safe running, need constantly to carry out and existing power system is carried out scrap build, improve existing electric network composition, it is to increase the technical measures of the stabilization of power grids; To defeated, become, distribution equipment transform, comprise power equipment transformation is referred to update the equipment, updating apparatus etc., it is possible to promote the application of advanced and applicable new technology, it is to increase defeated, become, the ability of distribution equipment, reliability and security and stability etc.
In legacy equipment remodeling method, generally select power equipment to carry out risk assessment according to the life cycle of equipment or the cost of equipment, determine to carry out power equipment transformation according to assessment result.
Above-mentioned traditional method, only determines to select which platform power equipment to carry out risk assessment and transformation according to life cycle or cost height. Owing to electrical network existing a large amount of different life or the power equipment of different cost, only power equipment is transformed using life cycle or cost height order as foundation, cause a lot of running status difference and be badly in need of transformation power equipment, owing to life cycle length or cost are low, but cannot be transformed in time, cause this kind of power equipment to there is safe operation risk.
Summary of the invention
Based on this, it is necessary to dangerous for power equipment, there is operation risk problem, it is provided that a kind of electrical equipment transformation method.
A kind of electrical equipment transformation method, comprises step:
Obtain the equipment information of each power equipment, the described attribute information of equipment information equipment, the status information of equipment;
Utilize the priority conditions preset to judge described equipment information, if power equipment corresponding to the equipment information meeting described priority conditions is set to transform the high power equipment of priority, otherwise it is set to transform the low power equipment of priority; Wherein, described priority conditions comprises qualitative judgement condition and rational judgment condition;
The power equipment that described transformation priority is low is carried out power equipment risk assessment and obtains value-at-risk;
Obtain the operation year limit information of the low power equipment of described transformation priority;
Calculate economic index value and expansionary desired value that the low power equipment of described transformation priority runs;
The sequencing information of the low power equipment of the described transformation priority of transformation is calculated according to described value-at-risk, operation year limit information and economic index value and expansionary desired value;
In transformation power equipment process, first the power equipment that described transformation priority is high is transformed, then according to described sequencing information, the power equipment that described transformation priority is low is transformed.
Above-mentioned electrical equipment transformation method, utilizes the priority conditions preset to judge the equipment information of power equipment, is divided into by power equipment and transforms the high power equipment of priority and transform the low power equipment of priority. Then according to year limit information, power equipment low for transformation priority sorts by value-at-risk, economic index and expansionary index. Finally, in transformation power equipment process, first the power equipment that transformation priority is high is transformed, then according to sequencing information, the power equipment that transformation priority is low is transformed. By the present invention, reduce the safe operation risk that power equipment exists.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of electrical equipment transformation method embodiment of the present invention.
Embodiment
Each embodiment for electrical equipment transformation method of the present invention is described in detail below.
See Fig. 1, it is the schematic flow sheet of electrical equipment transformation method embodiment of the present invention, comprises step:
Step S101: the equipment information obtaining each power equipment, the attribute information of equipment information equipment, the status information of equipment;
Step S102: utilize the priority conditions judgment device information preset, if power equipment corresponding to the equipment information meeting priority conditions is set to transform the high power equipment of priority, otherwise is set to transform the low power equipment of priority; Wherein, priority conditions comprises qualitative judgement condition and rational judgment condition;
Step S103: the power equipment that transformation priority is low is carried out power equipment risk assessment and obtains value-at-risk; Obtain the operation year limit information of the low power equipment of transformation priority; Calculate economic index value and expansionary desired value that the low power equipment of transformation priority runs;
Step S104: the sequencing information calculating the low power equipment of transformation transformation priority according to value-at-risk, operation year limit information and economic index value and expansionary desired value;
Step S105: in transformation power equipment process, first transforms the power equipment that transformation priority is high, then is transformed by the power equipment that transformation priority is low according to sequencing information.
Above-mentioned electrical equipment transformation method, utilizes the priority conditions preset to judge the equipment information of power equipment, is divided into by power equipment and transforms the high power equipment of priority and transform the low power equipment of priority. Then according to year limit information, power equipment low for transformation priority sorts by value-at-risk, economic index and expansionary index. Finally, in transformation power equipment process, first the power equipment that transformation priority is high is transformed, then according to sequencing information, the power equipment that transformation priority is low is transformed. By the present invention, reduce the safe operation risk that power equipment exists.
First, it is possible to from coupling defect record and state evaluation result, obtain the equipment information of each power equipment.
In a specific embodiment, before embodiment of the present invention step S102, it is also possible to comprise the following steps:
According to default device type, power equipment is classified, according to default device type, default priority conditions is classified. Default device type can comprise: transforming plant primary equipment, substation secondary device, power transmission circuit, signal equipment be totally 4 big class 52. Such as, transforming plant primary equipment comprises main-transformer, isolating switch, combination electrical equipment, bus, isolator, independent ground connection cutter lock, voltage transformer, current transformer, lightening protection installation etc. Substation secondary device comprises alternating current-direct current origin system, relaying, peace from equipment, automation system etc. Power transmission circuit comprises aerial power transmission line, cable power transmission circuit, aerial power transmission line change cable power transmission circuit etc. It is of course possible to many-sided classification, it is not limited to this scheme sorting technique, specifically classifies as required. After power equipment and priority conditions are classified respectively, the more convenient judgement when the priority conditions that later use is preset judges the equipment information of power equipment, it is to increase judging efficiency.
According to classification, utilize the priority conditions judgment device information preset, if power equipment corresponding to the equipment information meeting priority conditions is set to transform the high power equipment of priority, otherwise it is set to transform the low power equipment of priority; Wherein, priority conditions comprises qualitative judgement condition and rational judgment condition, such as arranges keyword and parameter threshold. In a specific embodiment, keyword comprises not meeting of prestoring and the 2nd presets the keyword of equipment information of power equipment of economic requirement, the keyword of equipment information of the power equipment not meeting the 2nd preset security reliability requirement that prestores, what prestore does not meet the 2nd keyword presetting the equipment information of the power equipment that technological standard requires, parameter threshold comprises the threshold value of the equipment information of the power equipment not meeting the 3rd preset security reliability requirement. The present invention seeks to want tentatively to be divided into power equipment two classes, the power equipment of the power equipment of the satisfied 2nd default economic requirement, the default technological standard requirement of the power equipment not meeting the 2nd preset security reliability requirement, the satisfied 2nd all refers to the power equipment that some urgent needs to be improved, so only needing to meet one of them condition, all can be set to transform the high power equipment of priority. Certainly, keyword is not limited to above-mentioned keyword and parameter threshold, it is possible to set some keywords and parameter threshold as required, and parameter threshold is also not limited to the threshold value of safe reliability, in case of need, it is also possible to comprise economy or expansionary etc. threshold value.
The transformation low power equipment of priority carries out the method that power equipment risk assessment obtains value-at-risk to be had a variety of, such as, carry out risk assessment according to the information transforming the low power equipment of priority and obtain risk class, determine value-at-risk according to risk class and the risk class prestored and value-at-risk synopsis. Can also be Knowledge based engineering analytical procedure, analytical procedure based on model, qualitative analysis and quantitative analysis etc.
In a specific embodiment, operation year limit information is compared with the age threshold prestored, determine time limit assessed value according to the synopsis of comparative result and the result prestored and time limit assessed value.
In a specific embodiment, it is determined that the economic index value that the power equipment that transformation priority is low runs and expansionary desired value step, comprise step:
The equipment information of power equipment low for transformation priority is mated with the first economy keyword prestored, economic index value is determined according to matching result and the matching result prestored and economic index value synopsis, wherein, the first economy keyword prestored represents the keyword of the equipment information of the power equipment not meeting the first default economic requirement prestored;
The equipment information of power equipment low for transformation priority is mated with the prestore first expansionary keyword, expansionary desired value is determined according to matching result and the matching result prestored and expansionary desired value synopsis, wherein, the expansionary keyword of first prestored represents the keyword of the equipment information not meeting the power equipment that the first default technological standard requires prestored.
In the present embodiment, economic index is the value arranged according to improved benefit, and expansionary index is the value arranged according to improved service ability. Certainly, it is determined that economic index and expansionary finger calibration method are not limited to aforesaid method. Computing economy index and expansionary index can also obtain respective value by the improved equipment of history is carried out statistical study, it is also possible to obtained by some other method.
Then, adopt formula P=k1*P1+k2*P2+k3*P3+k4*P4Determining to transform the assessed value of the low each power equipment of priority, P represents assessed value, P1Represent value-at-risk, P2Represent time limit assessed value, P3Represent economic index value, P4Represent expansionary desired value, k1��k2��k3��k4Represent preset weights. The setting of weights is arranged as required. The sequencing information of the power equipment that transformation priority is low is determined according to assessed value.
It is described in detail with a concrete utilization embodiment below.
First, obtain the equipment information of each power equipment, the attribute information of equipment information equipment, the status information of equipment;
, it is possible to each power equipment is pressed equipment or facility classification, then comprise become electricity once, two times, power transmission circuit, communication totally 4 big class 52. Such as, transforming plant primary equipment is divided into main-transformer, isolating switch, combination electrical equipment, bus, isolator, independent ground connection cutter lock, voltage transformer, current transformer, lightening protection installation etc. Substation secondary device is divided into alternating current-direct current origin system, relaying, peace from equipment, automation system etc. Power transmission circuit is divided into aerial power transmission line, cable power transmission circuit, aerial power transmission line to change cable power transmission circuit etc. Certainly concrete classification can many-sided be classified, and is not limited to this scheme sorting technique, specifically classifies as required.
Then, utilize the priority conditions judgment device information preset, if power equipment corresponding to the equipment information meeting priority conditions is set to transform the high power equipment of priority, otherwise it is set to transform the low power equipment of priority. Wherein, priority conditions comprises keyword and parameter threshold. Keyword comprise prestore the 2nd economy keyword, the 2nd safe reliability keyword, the 2nd expansionary keyword, parameter threshold comprises the 2nd safe reliability threshold value. 2nd economy keyword represents the keyword of the equipment information of the power equipment not meeting the 2nd default economic requirement prestored, 2nd safe reliability keyword represents the keyword of the equipment information of the power equipment not meeting the 2nd preset security reliability requirement prestored, 2nd expansionary keyword represents the keyword of the equipment information not meeting the power equipment that the 2nd default technological standard requires prestored, and the 2nd safe reliability threshold value comprises the threshold value of the equipment information of the power equipment not meeting the 3rd preset security reliability requirement.
These keywords and threshold value can obtain from the equipment information of equipment state evaluation result, defect record, the report of prerun regular inspection and code specification etc. As shown in table 1, it is main transformer, the equipment information that circuit high resistance kind equipment is corresponding of transforming plant primary equipment in the embodiment of the present invention. As shown in table 2, it is the equipment information that parallel connection 10��66kV dry reactor of transforming plant primary equipment in the embodiment of the present invention is corresponding.Table 1, table 2, only listing wherein several equipment information, other are no longer exhaustive. Relatively urgent equipment information is sufficient condition, and the equipment information not being very urgent is evaluation condition, as the condition that the power equipment that priority is low is assessed.
Table 1
Table 2
The 2nd economy keyword that prestores, the 2nd safe reliability keyword, the 2nd expansionary keyword, the 2nd safe reliability threshold value can have 166 articles altogether, are certainly also not limited to these 166. These keywords and equipment information corresponding to threshold value are all the urgent equipment information of comparison, and power equipment corresponding to these equipment information is all the equipment being badly in need of transformation. So, the judgement of this step is that sufficient condition judges, as long as each power equipment information meets any one, is namely set to transform the high power equipment of priority. Wherein, the high power equipment of the priority level that has that All factors being equal, preference will be give to is transformed. The power equipment that all conditions does not meet is set to transform the low power equipment of priority. Judgment rule is as follows:
Part qualitatively judges, this part is qualitative factor, can with " ... exist ... " or " ... do not meet ... " Deng setting, " existences " or " not meeting " heel be mainly keyword, by input keyword match judge, if transformer is aluminum steel coil transformer, serious seepage oil gas, this kind can directly judge, mainly through keyword match, such as " aluminum steel circle " " serious seepage oil gas ", naturally it is also possible to directly arrange keyword match. Keyword can refine according to equipment state evaluation result, defect record, prerun regular inspection report etc. Part rational judgment, such as important tests desired value, judges according to default threshold value.
Then, it is necessary to the power equipment that transformation priority is low is assessed, to obtain assessed value. First judging according to each qualitative judgement or rational judgment factor, qualitative factor judges by inputting the coupling of keyword; Quantitative factor is judged by default threshold value. The then system not met is directly by minimum point of output of each scoring factor; Meet then according to scoring factor scores. The equipment packet of each power equipment contains 2 of operation year limit information, property information safe and reliable to operation, technological and economic information and technical development information or more information. For each information, if the qualitative condition of this power equipment and quantitative conditions all do not meet, then minimum point of output of the scoring factor corresponding to equipment information that system directly comprises by this power equipment; If this power equipment meets wherein 1 or more equipment information, then this equipment information is corresponding weight assignment, the equipment information weight that all the other do not meet is 0; The setting of each equipment information evaluation value can follow the equal principle of score value sum of each equipment information scoring factor, to avoid the interference to weighted value.
Evaluation condition can comprise the first economy keyword, the first safe reliability keyword and threshold value, the first expansionary keyword, the development age threshold that prestore. Wherein, the first economy keyword prestored represents the keyword of the equipment information of the power equipment not meeting the first default economic requirement prestored; The the first development reliability keyword prestored and threshold value represent keyword and the threshold value of the equipment information of the power equipment not meeting the first default development reliability requirement prestored; The expansionary keyword of first prestored represents the keyword of the equipment information not meeting the power equipment that the first default technological standard requires prestored. Specific as follows:
Operation year limit information is compared with the age threshold prestored, determine time limit assessed value such as according to the synopsis of comparative result and the result prestored and time limit assessed value: running year in limited time when exceeding, score value gives 9, run year in limited time when reaching, score value gives 6, gives score value 3 when not reaching.
Carry out risk assessment according to the information transforming the low power equipment of priority and obtain each risk class, such as: the risk class produced by defect level gives score value, value-at-risk is by defect rate of breakdown (unit: %, �� (0-1)) and there is severity of consequence (unit: 1, by 20, 40, 60, 5 grade distinguishings such as 80 and 100) evaluate, defect rate of breakdown put into operation by various kinds of equipment after fault frequency and the number of devices of correspondence add up, add up between occurring severity of consequence to be settled in an area by financial loss and loss of life and personal injury number, value-at-risk drops on [70, 100) be excessive risk, value-at-risk drops on [50, 70) interval is high risk, value-at-risk drops on [20, 50) interval is risk, value-at-risk drops on (0, 20) interval is low risk. then each value-at-risk is determined according to each risk class and the risk class prestored and value-at-risk synopsis.
The equipment information of power equipment low for transformation priority is mated with the first economy keyword prestored, determines economic index value according to matching result and the matching result prestored and economic index value synopsis. The equipment information of power equipment low for transformation priority is mated with the prestore first expansionary keyword, determines expansionary desired value according to matching result and the matching result prestored and expansionary desired value synopsis. Wherein, the equipment information that the first economy keyword keyword expansionary with first prestored is corresponding is the relative not urgent equipment information prestored, and power equipment corresponding to these equipment information is not the equipment being badly in need of transformation. Not transforming and can also run, the benefit, the service ability that just reach after transformation can be better. That is: Technological Economy defines the Technological Economy requirement of equipment or facility, has a power failure from minimizing and reduces loss and considers to give point value of evaluation; Technical development defines the technological standard requirement of equipment or facility, gives point value of evaluation from the state of the art after technology upgrading and the company service ability consideration of lifting. These keywords and threshold value can obtain from equipment state evaluation result, defect record, the report of prerun regular inspection and code specification etc.
Technological Economy keyword judges, such as: GIS device is transformed, after meeting keyword, automatically give score value 7, it is judged to reduce and repeats to have a power failure, it is to increase the region quality of power supply, assets loss 13% can be reduced, wherein assets loss calculates by reparation expense/original value of the equipment, and the expense of reparation presses ratio and the pricing of body overhaul and component inspection generation, and the data that system carries are statistical study gained in recent years.
Technical development keyword judges, such as: such as switching cabinet transformation, installs ripe on-Line Monitor Device reliably in the important substation in city, then system gives score value 4.5 automatically, because without impact after technology upgrading, but can promote service ability. If rated current does not meet requirement, then system gives score value 3 automatically, because without impact after technological transformation, can not improve service ability.
Following formula can be adopted:
P=k1*P1+k2*P2+k3*P3+k4*P4
Determining to transform the assessed value of the low each power equipment of priority, P represents assessed value, P1Represent value-at-risk, P2Represent time limit assessed value, P3Represent economic index value, P4Represent expansionary desired value, k1��k2��k3��k4Represent preset weights. K can be followed1> k2> k3> k4, wherein k3Can also with k4Equal. Certain weights size specifically sets as required, not necessarily presses the present embodiment method.
Finally, first being transformed by power equipment high for transformation priority, the priority between the power equipment that transformation priority is high is not successively, it is possible to depending on particular case. Then for the power equipment that transformation priority is low, according to the size of assessed value, first the power equipment that assessed value is big is transformed.
The present invention program carries out effective qualitative assessment from the technical innovation project preferential rank of project group faced by property safe and reliable to operation, Technological Economy, four directions such as the operation time limit and technical development etc., to realize the more excellent distribution of the power equipment of engineering project group, reduce the safe operation risk that power equipment exists. According to the preferred implementation method that this invention proposes, there is simple advantage, it is convenient in power supply enterprise technical innovation project project group preferably middle application.
The above embodiment only have expressed several enforcement modes of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to patent scope of the present invention. , it is also possible to make some distortion and improvement, it should be appreciated that for the person of ordinary skill of the art, without departing from the inventive concept of the premise these all belong to protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (5)
1. an electrical equipment transformation method, it is characterised in that, comprise step:
Obtain the equipment information of each power equipment, the described attribute information of equipment information equipment, the status information of equipment;
Utilize the priority conditions preset to judge described equipment information, if power equipment corresponding to the equipment information meeting described priority conditions is set to transform the high power equipment of priority, otherwise it is set to transform the low power equipment of priority; Wherein, described priority conditions comprises qualitative judgement condition and rational judgment condition;
The power equipment that described transformation priority is low is carried out power equipment risk assessment and obtains value-at-risk;
Obtain the operation year limit information of the low power equipment of described transformation priority;
Calculate economic index value and expansionary desired value that the low power equipment of described transformation priority runs;
The sequencing information of the low power equipment of the described transformation priority of transformation is calculated according to described value-at-risk, operation year limit information and economic index value and expansionary desired value;
In transformation power equipment process, first the power equipment that described transformation priority is high is transformed, then according to described sequencing information, the power equipment that described transformation priority is low is transformed.
2. electrical equipment transformation method according to claim 1, it is characterized in that, the priority conditions that described utilization is preset judges described equipment information, if power equipment corresponding to the equipment information meeting described priority conditions is set to transform the high power equipment of priority, otherwise before being set to transform the low power equipment step of priority, also comprise step:
According to default device type, described power equipment is classified, according to described default device type, described default priority conditions is classified.
3. electrical equipment transformation method according to claim 1 and 2, it is characterised in that, the economic index value that the power equipment that described calculating described transformation priority is low runs and expansionary desired value step, comprise step:
The equipment information of power equipment low for described transformation priority is mated with the first economy keyword prestored, described economic index value is determined according to matching result and the matching result prestored and economic index value synopsis, wherein, the first economy keyword prestored described in represents the keyword of the equipment information of the power equipment not meeting the first default economic requirement prestored;
The equipment information of power equipment low for described transformation priority is mated with the prestore first expansionary keyword, described expansionary desired value is determined according to matching result and the matching result prestored and expansionary desired value synopsis, wherein, the expansionary keyword of first prestored described in represents the keyword of the equipment information not meeting the power equipment that the first default technological standard requires prestored.
4. electrical equipment transformation method according to claim 1 and 2, it is characterized in that, the described sequencing information step calculating the low power equipment of the described transformation priority of transformation according to described value-at-risk, operation year limit information and economic index value and expansionary desired value, comprises step:
Described operation year limit information is compared with the age threshold prestored, determines time limit assessed value according to the synopsis of comparative result and the result prestored and time limit assessed value;
Adopt formula P=k1*P1+k2*P2+k3*P3+k4*P4Calculating the assessed value of the low each power equipment of described transformation priority, P represents described assessed value, P1Represent described value-at-risk, P2Represent described time limit assessed value, P3Represent described economic index value, P4Represent described expansionary desired value, k1��k2��k3��k4Represent preset weights;
Determine to transform the sequencing information of the low power equipment of described transformation priority according to described assessed value.
5. electrical equipment transformation method according to claim 1 and 2, it is characterized in that, described qualitative judgement condition comprises not meeting of prestoring and the 2nd presets the keyword of equipment information of power equipment of economic requirement, the keyword of equipment information of the power equipment not meeting the 2nd preset security reliability requirement that prestores, what prestore does not meet the 2nd keyword presetting the equipment information of the power equipment that technological standard requires, described rational judgment condition comprises the threshold value of the equipment information of the power equipment not meeting the 3rd preset security reliability requirement.
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| CN104850482A (en) * | 2014-08-25 | 2015-08-19 | 国家电网公司 | Host equipment state detection method and device |
| CN105956930A (en) * | 2016-04-11 | 2016-09-21 | 重庆大学 | Determination method of difference operation maintenance strategy of electric power device |
| CN106529696B (en) * | 2016-09-22 | 2020-08-04 | 国网山西省电力公司晋城供电公司 | Early warning method and early warning device for equipment in power grid |
| CN111311061B (en) * | 2020-01-16 | 2024-03-12 | 上海三菱电梯有限公司 | Elevator reconstruction scheme generation method and elevator reconstruction scheme generation system |
| CN112686772B (en) * | 2020-12-11 | 2022-07-19 | 国网湖北省电力有限公司电力科学研究院 | Method for determining flexible and straight transformation time sequence of multi-feed receiving-end power grid |
| CN115713339B (en) * | 2023-01-09 | 2023-05-12 | 量子科技长三角产业创新中心 | Data quantum computing management and control method, device, equipment and computer medium |
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