CN105513449A - Comprehensive evaluation method for power grid regulating and controlling integral simulating training system - Google Patents
Comprehensive evaluation method for power grid regulating and controlling integral simulating training system Download PDFInfo
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Abstract
The invention relates to a comprehensive evaluation method for a power grid regulating and controlling integral simulating training system. The comprehensive evaluation method integrates intelligent evaluation based on an index evaluation method, and is characterized in that an operation event sequence of a trainee is evaluated by an intelligent evaluation method; the index evaluation method is adopted for the power grid operation state index variation condition caused by the operation; and according to different tasks, an instructor can integrate the two results and finally obtain a comprehensive evaluation result of the trainee. The comprehensive evaluation method solves the automatic evaluation problem of the power grid regulating and controlling integral simulating training system, improves the training efficiency, truly, objectively and comprehensively feeds back the training effect, makes exams and matches fairer and more equitable, and is an important means for realizing the practicality of a remote network simulating training system.
Description
Technical field
The present invention relates to lation training course for power system field, especially a kind of power grid regulation integrated simulation training system field.
Background technology
State Grid Corporation of China clearly proposed in " 12 " period: company will attach most importance to " three collection five are large " management system construction, set up the management system, the operating mechanism that adapt to Modern Corporation demand for development, promote product and melt combination, accelerate internationalization paces, General Promotion efficiency of operation and benefit, tentatively build up world-class enterprise." emphasis of wherein building large operation architecture realizes state to adjust network regulation to run business integrative operation, set up converting equipment at different levels and run the integrated adjustment and control system that Centralized Monitoring business merges with dispatching of power netwoks business height.
Along with electrical network is fast-developing and the transformation of power grid management pattern, power grid regulation personnel and power transformation operation maintenance personnel bear power grid security, stablize, the responsibility of economical operation is also more and more large; Simultaneously along with the application of a large amount of new technology and equipment of electrical network, brand-new requirements at the higher level are proposed to the aspect such as knowledge, technology, technical ability of electrical network normal operation personnel, need greatly to improve the operative skill of the quality of regulation and control professional and level of skill, transformer station's O&M, to ensure that it is grasped the ability of novel device operation characteristic and controls the ability of operation of power networks.Under power grid regulation integrated simulation training system has become China's electrical network new management pattern, operations staff improves the requisite modernization training tool of professional skill, especially improving the daily supervision of trainee, normal running, the abnormal and technical ability such as accident process and process plays the effect do not replaced.But because training lacks effectively evaluating means, the use of system too relies on teacher, causes system availability poor, has no idea to allow trainee utilize carry out training on the spot at any time off hours, can not realize the normalization of training.
Current lation training course for power system evaluation mainly contains three kinds of methods:
1, subjective estimate method
Subjective estimate method is recorded in detail the various operation of student in training process and the result after operation, from operation note, student carried out to the method for artificial assessment.This is that a kind of workload is large, lack the evaluation measures of careful property, objectivity, standard, the experience and knowledge of main dependence teacher, the situation failed to judge and judge by accident may be there is, especially the bulk power grid for voltage levels runs assessment, because its operation mechanism is very complicated, there is larger limitation for Training Evaluation in people.
2, metrics evaluation method
Electrical network metrics evaluation method is in student training operating process, evaluating system carries out the scanning of consecutive periods to operation of power networks state, from the method that the aspect operations of electrical network index to student such as processing safety, electric network security, electric network reliability, power supply reliability, economy are assessed, the method is marked to indices according to setting rule on basis point basis.This appraisal procedure, teacher's load is little, and evaluation result is objective, but only carries out the larger limitation of evaluation existence by electrical network index, and the concrete operations flow process for equipment cannot be evaluated.This evaluation method can only be applicable to dispatching of power netwoks person, and cannot to monitor, the operation maintenance personnel expansion effective evaluation more paying close attention to concrete operations flow process.
3, comparison evaluation assessment
Teacher generates standard operation record by the operation of specification, and operation note and the standard operation record of student carry out comparison one by one, thus to the method that the operating process of student is evaluated.Its advantage is simple, workload is moderate, can evaluate equipment concrete operations flow process, shortcoming is the standard operation record made before evaluation procedure relies on teacher very much, the different Influence on test result to evaluating of standard operation record is very large, the standard operation record that teacher is formed by operation simultaneously is also difficult to enumerate the proper operation method likely occurred, for the artificial tasks of some Complex Flexibles, the confidence level of evaluation reduces greatly.Because monitor, power transformation operation maintenance personnel more stress the training of operating process aspect, this evaluation method adopts more.
In sum, existing method all can not solve simultaneously to the evaluation problem of dispatching of power netwoks person, monitor, power transformation operation maintenance personnel well, cannot meet the needs that power grid regulation integrated simulation training system is evaluated, the present invention is the comprehensive evaluation formed after having considered the relative merits of existing evaluation method.
What emphasis of the present invention will solve is power grid regulation integrated simulation training system automatic Evaluation problem.Power grid regulation integration original converting equipment is run Centralized Monitoring business merge mutually with dispatching services, then in conjunction with the management mode of power transformation O&M active station, realize carrying out integrated management to electrical network, regulation and control center, O&M transformer station.Power grid regulation integrated simulation system achieves grid simulation, the emulation of regulation and control center, the integrative coordinated associative simulation training of O&M substation simulation, united training can be carried out to scheduling, monitoring, transformer station's operation maintenance personnel simultaneously, because the responsibilities of scheduling, monitoring, transformer station's operation maintenance personnel is different, also lack effectively evaluating method at present.The present invention is intended to fill up this blank.
Summary of the invention
Technical scheme of the present invention is:
An integrated evaluating method for power grid regulation integrated simulation training system, described integrated evaluating method is combined with intelligent evaluation assessment on the basis of metrics evaluation method, it is characterized in that:
The Action Events sequence Intelligent Evaluation method of student is evaluated, metrics evaluation method is then adopted to the operation of power networks state index situation of change caused after its operation, then according to different tasks, both results can merge by different proportion by teacher, finally obtain the comprehensive valency result of student.
Further, described metrics evaluation method refers in training process, assess described system carries out consecutive periods scanning to operation of power networks state, processing safety evaluation, electric network security evaluation, electric network reliability evaluation, power supply reliability evaluation, Economic Evaluation are carried out to the operation of student, according to indices marking according to setting rule on basis point basis.
Further, described processing safety evaluation refers to is deducted points by the identification of maloperation in training, and it comprises on-load broaching tool lock, on-load closes disconnecting link, fill nonloaded line or transformer, band nonloaded line or transformer broaching tool lock, charged pressing ground cutter, band ground cutter combination switch, live ground wiring and non-synchronous combination switch with disconnecting link; Occur maloperation, this training is fails;
Described electric network security evaluation refers to that, section out-of-limit situation out-of-limit by intermittent scanning equipment is deducted points to student's reply; Higher, the out-of-limit duration of out-of-limit degree is then deducted points more;
Described electric network reliability evaluation refers to by static security analysis, transient security analysis, can utilize its deeply, comprehensively analysis and evaluation result complete the assessment to student's accident adaptibility to response;
Described power supply reliability evaluation refers to load loss situation in intermittent scanning training process, and calculate formation dead electricity amount by time integral, comprehensive across comparison can be carried out to dead electricity figureofmerit to the student that undergoes training, what dead electricity amount was minimum is defined as full marks, and the dead electricity figureofmerit of other student carries out the adjustment in proportion of mark according to ratio.
Described Economic Evaluation refers to the deviation of the genset of intermittent scanning electrical network, interconnection and plan, and is calculated by time integral and form plan deviation electricity, then according to deviation electricity with arrange weight and deduct points.
Further, described Intelligent Evaluation method is first by analyzing safe operation of power system code, electrical equipment knowledge, safe operation knowledge, build knowledge base to evaluate concrete operations flow process, then realize reasoning evaluation algorithms on this basis, in training process, the content of operation of trainee and the correctness of sequence of operation are evaluated.
Further, the concrete steps of described Intelligent Evaluation method are:
Step 1, sets up knowledge base, and electric system " five prevent " rule, power transformation operation code, this kind of domain-planning of operation of power networks rule are converted into computing machine and can identify and the working knowledge carrying out reasoning;
Step 2, Intelligent Evaluation program obtains the operation task that teacher sends from analogue system, by reasoning evaluation algorithms, obtains the committed step of operation task;
Step 3, after the committed step forming operation task, obtains the rule relevant to operation task, and interpretation of rules is become specific Logic judgment, if violate this rule, then deducts corresponding mark;
Step 4, sends to Intelligent Evaluation program by the sequence of operation of student, and the specific Logic judgment that the operation steps of this task formed according to Intelligent Evaluation program and respective rule are formed is marked, and obtains the end product of described Intelligent Evaluation method.
Further, described safe operation knowledge comprises operative knowledge and the safety practice of primary equipment, and the operative knowledge of second class protection equipment and safety practice.
Further, described Intelligent Evaluation method is carried out online in analogue system operational process.
Further, after described Intelligent Evaluation method off-line after student has operated forms operation note, off-line carries out.
Beneficial effect of the present invention is: comprehensive evaluation solves the automatic Evaluation problem of power grid regulation integrated simulation training system, energy enhancement training efficiency, objective feeds back result of training comprehensively, make examination, match more fair and just, be realize the practical important means of telecommunication network simulation training system.
Accompanying drawing explanation
Fig. 1 is Intelligent Evaluation method process flow diagram;
Fig. 2 is 2696 isolating switchs is running status;
Fig. 3 is that 2696 isolating switchs are converted to inspecting state;
Fig. 4 is power grid regulation integrative simulation training comprehensive evaluation process flow diagram;
Embodiment
Comprehensive evaluation for power grid regulation integrated simulation training system is combined with intelligent evaluation assessment (namely utilizing the method that rule base can be evaluated concrete operations flow process) again on the basis of metrics evaluation method, thus a kind of new integrated evaluating method produced.
Metrics evaluation method is in training process, evaluating system carries out the scanning of consecutive periods to operation of power networks state, evaluate from the operation of aspect index to student such as processing safety, electric network security, electric network reliability, power supply reliability, economy, according to indices marking according to setting rule on basis point basis.
● processing safety evaluation: deducted points by the identification of maloperation in training, it comprises for on-load broaching tool lock, on-load conjunction disconnecting link, fills nonloaded line or transformer, band nonloaded line or transformer broaching tool lock, charged pressing ground cutter, band ground cutter combination switch, live ground wiring, non-synchronous combination switch etc. with disconnecting link; Usually occur maloperation, this training is fails.
● electric network security evaluation:, section out-of-limit situation out-of-limit by intermittent scanning equipment is deducted points to student's reply.Deduct points relevant to out-of-limit degree, out-of-limit duration.Higher, the out-of-limit duration of out-of-limit degree is then deducted points more.
● electric network reliability evaluation: by static security analysis, transient security analysis, can utilize its deeply, comprehensively analysis and evaluation result complete the assessment to student's accident adaptibility to response.
● power supply reliability evaluation: load loss situation in intermittent scanning training process, and calculate formation dead electricity amount by time integral, comprehensive across comparison can be carried out to dead electricity figureofmerit to the student that undergoes training, what dead electricity amount was minimum is defined as full marks, and the dead electricity figureofmerit of other student carries out the adjustment in proportion of mark according to ratio.
● Economic Evaluation: the deviation of the genset of intermittent scanning electrical network, interconnection and plan, and calculated by time integral and form plan deviation electricity, then according to deviation electricity with arrange weight and deduct points.Economic Evaluation also considers Network Loss Rate factor simultaneously.
Intelligent Evaluation method carries out evaluation method by setting up rule base to concrete operations flow process; first by analyzing safe operation of power system code, electrical equipment knowledge, safe operation knowledge (comprising the operative knowledge of primary equipment and safety practice, the operative knowledge of second protection equipment and safety practice); build intelligent evaluation system operative knowledge rule base; realize reasoning evaluation algorithms on this basis, in training process, the content of operation of trainee, the correctness of sequence of operation are evaluated.This evaluation method comprises reasoning evaluation algorithms and knowledge base.Reasoning evaluation algorithms is the feature combining power system operation, according to the target search grid simulation database of concrete operations task, obtain analogue system current state, determine the committed step of operation task, by knowledge base in concrete operation task, translation becomes specific Logic judgment, thus to the method that the operation correctness of student is evaluated.
Intelligent Evaluation method evaluation procedure, with reference to figure 1, below illustrates:
1. first, knowledge base is set up.
Rule base the domain-plannings such as electric system " five prevent " rule, power transformation operation code, operation of power networks rule is converted into computing machine can identify and the working knowledge carrying out reasoning to have good versatility.Rule base is exemplified below:
Rule 1: by mistake to draw, falsely close circuit breaker or disconnector (being strayed into interval)
Reason: proofing rules specifies, will determine that whether interval is correct before operation.
Rule 2: during power failure, the first pulling load side of isolation switch, then draw mains side (service condition: power failure operation)
Reason: " working specification of primary equipment ", " safety " clear stipulaties, during power failure, prevents the on-load when switch void is disconnected from operating a switch and causes bus accident, make fault spread; First operational load side only can cause line tripping.
Rule 3: non-electrical verification before conjunction ground cutter
Reason: " working specification of primary equipment ", " safety " clear stipulaties, must identify no-voltage before closing ground cutter.
Rule 4: relay protection and electrical network aut.eq. are moved back in miscarrying
Reason: " working specification of secondary device ", " safety " clear stipulaties, electrical equipment does not allow unprotect to run.
2. Intelligent Evaluation process analysis simulation operations task, obtains the committed step of operation task.
Intelligent Evaluation program obtains the operation task that teacher sends from analogue system, by reasoning evaluation algorithms, determines the committed step of operation task.As " thatch ground A-wire 2696 isolating switch is running status " in Fig. 2 electrical network, in Fig. 3 electrical network, " then transfer thatch ground A-wire 2696 isolating switch to inspecting state by running status ".Assessment process analyzes the semanteme of artificial tasks, and obtain 2696 [operation]-> [maintenance], according to electric system feature, committed step is:
1) 2696 isolating switchs are pulled open
2) 26964 disconnectores are pulled open
3) 26961 disconnectores are pulled open
4) close 2696C0 grounding switch
5) close 2696B0 grounding switch
3. rule is construed to specific Logic judgment in specific tasks.
After formation concrete operation step sequence, obtain the rule relevant to operation task, and be the Logic judgment that program can identify by interpretation of rules, if violate this rule, deduct corresponding mark.
" rule 1: draw, falsely close circuit breaker or disconnector " can be interpreted as by mistake in this operation task: do not comprise 2696 isolating switchs in the primary equipment of operation, namely 26964 disconnectores, 26961 disconnectores, 2696C0 grounding switch, 2696B0 grounding switch be judged as breaking the rules 1.
" rule 2: during power failure; the first pulling load side of isolation switch; draw mains side < service condition again: power failure operation > ": can be interpreted as in this operation task: when pulling open 26961 disconnector, if 26964 disconnectores are in co-bit, be judged as breaking the rules 2.
" regular 3: non-electrical verification before closing ground cutter " can be interpreted as in this operation task: when conjunction 2696C0 grounding switch operates with conjunction 2696B0 grounding switch, if do not identify the no-voltage operation in this place before, be judged as breaking the rules 3.
" rule 4: miscarrying move back relay protection and electrical network aut.eq. " can be interpreted as in this operation task: as long as the secondary device of operation, causes relay protection and electrical network aut.eq. and throws and move back, be all judged as breaking the rules 4.
4. Intelligent Evaluation is to student's operation evaluation.
The all operations of student is sent to Intelligent Evaluation program, and the specific Logic judgment that the operation steps of this task formed according to Intelligent Evaluation program and respective rule are formed is marked, and obtains the end product of Intelligent Evaluation method.
In addition, Intelligent Evaluation method can be carried out online in analogue system operational process, also can form off-line after operation note and carries out by off-line after student operate.
Metrics evaluation method is that evaluating system carries out consecutive periods scanning to analogue system operation of power networks state, marks to indices according to setting rule on basis point basis.
Comprehensive evaluation is the combination of index evaluation assessment and Intelligent Evaluation method, the Action Events of student is sent to Intelligent Evaluation program evaluate, metrics evaluation method is then adopted to the operation of power networks state index situation of change caused after its operation, according to different tasks, both results can merge by different proportion by teacher, finally obtain student's comprehensive evaluation result.Idiographic flow as shown in Figure 4.
Compared with prior art, simultaneously the maximum advantage of the method to realize the evaluation to yardman, monitor and operation maintenance personnel, the workload of teacher is greatly not only alleviated compared with subjective estimate method, comparison evaluation assessment, the evaluation of complex simulation task can also be carried out, the evaluation to operating process can be realized compared with metrics evaluation method, evaluate more comprehensive.
Below the present invention be described in detail, only as described above, be only preferred embodiment of the present invention, when not limiting scope of the invention process.Namely all equalizations done according to the present patent application scope change and modify, and all should still belong in patent covering scope of the present invention.
Claims (8)
1. an integrated evaluating method for power grid regulation integrated simulation training system, described integrated evaluating method is combined with intelligent evaluation assessment on the basis of metrics evaluation method, it is characterized in that:
The Action Events sequence Intelligent Evaluation method of student is evaluated, metrics evaluation method is then adopted to the operation of power networks state index situation of change caused after its operation, then according to different tasks, both results can merge by different proportion by teacher, finally obtain the comprehensive valency result of student.
2. the integrated evaluating method of power grid regulation integrated simulation training system as claimed in claim 1, is further characterized in that:
Described metrics evaluation method refers in training process, assess described system carries out consecutive periods scanning to operation of power networks state, processing safety evaluation, electric network security evaluation, electric network reliability evaluation, power supply reliability evaluation, Economic Evaluation are carried out to the operation of student, according to indices marking according to setting rule on basis point basis.
3. the integrated evaluating method of power grid regulation integrated simulation training system as claimed in claim 2, is further characterized in that:
Described processing safety evaluation refers to is deducted points by the identification of maloperation in training, and it comprises on-load broaching tool lock, on-load closes disconnecting link, fill nonloaded line or transformer, band nonloaded line or transformer broaching tool lock, charged pressing ground cutter, band ground cutter combination switch, live ground wiring and non-synchronous combination switch with disconnecting link; Occur maloperation, this training is fails;
Described electric network security evaluation refers to that, section out-of-limit situation out-of-limit by intermittent scanning equipment is deducted points to student's reply; Higher, the out-of-limit duration of out-of-limit degree is then deducted points more;
Described electric network reliability evaluation refers to by static security analysis, transient security analysis, can utilize its deeply, comprehensively analysis and evaluation result complete the assessment to student's accident adaptibility to response;
Described power supply reliability evaluation refers to load loss situation in intermittent scanning training process, and calculate formation dead electricity amount by time integral, comprehensive across comparison can be carried out to dead electricity figureofmerit to the student that undergoes training, what dead electricity amount was minimum is defined as full marks, and the dead electricity figureofmerit of other student carries out the adjustment in proportion of mark according to ratio.
Described Economic Evaluation refers to the deviation of the genset of intermittent scanning electrical network, interconnection and plan, and is calculated by time integral and form plan deviation electricity, then according to deviation electricity with arrange weight and deduct points.
4. the integrated evaluating method of power grid regulation integrated simulation training system as claimed in claim 1, is further characterized in that:
Described Intelligent Evaluation method is first by analyzing safe operation of power system code, electrical equipment knowledge, safe operation knowledge, build knowledge base to evaluate concrete operations flow process, then realize reasoning evaluation algorithms on this basis, in training process, the content of operation of trainee and the correctness of sequence of operation are evaluated.
5. the integrated evaluating method of power grid regulation integrated simulation training system as claimed in claim 4, is further characterized in that: the concrete steps of described Intelligent Evaluation method are:
Step 1, sets up knowledge base, and electric system " five prevent " rule, power transformation operation code, this kind of domain-planning of operation of power networks rule are converted into computing machine and can identify and the working knowledge carrying out reasoning;
Step 2, Intelligent Evaluation program obtains the operation task that teacher sends from analogue system, by reasoning evaluation algorithms, obtains the committed step of operation task;
Step 3, after the committed step forming operation task, obtains the rule relevant to operation task, and interpretation of rules is become specific Logic judgment, if violate this rule, then deducts corresponding mark;
Step 4, sends to Intelligent Evaluation program by the sequence of operation of student, and the specific Logic judgment that the operation steps of this task formed according to Intelligent Evaluation program and respective rule are formed is marked, and obtains the end product of described Intelligent Evaluation method.
6. the integrated evaluating method of power grid regulation integrated simulation training system as claimed in claim 4; be further characterized in that: described safe operation knowledge comprises operative knowledge and the safety practice of primary equipment, and the operative knowledge of second class protection equipment and safety practice.
7. the integrated evaluating method of the power grid regulation integrated simulation training system as described in any one of claim 1-6, is further characterized in that: described Intelligent Evaluation method is carried out online in analogue system operational process.
8. the integrated evaluating method of the power grid regulation integrated simulation training system as described in any one of claim 1-6, is further characterized in that: after described Intelligent Evaluation method off-line after student has operated forms operation note, off-line carries out.
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| CN106203780A (en) * | 2016-06-28 | 2016-12-07 | 国网技术学院 | A kind of electric analog training evaluation methodology based on stratified calculation and system |
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| CN109495296B (en) * | 2018-11-02 | 2022-05-13 | 国网四川省电力公司电力科学研究院 | Intelligent substation communication network state evaluation method based on clustering and neural network |
| CN109861977A (en) * | 2018-12-28 | 2019-06-07 | 北京红山瑞达科技有限公司 | A kind of method that promotion personnel awareness of network security is promoted |
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| CN110689287A (en) * | 2019-11-18 | 2020-01-14 | 国网甘肃省电力公司 | Simulation training evaluation method and system based on power dispatching rule knowledge base |
| CN110889986A (en) * | 2019-11-18 | 2020-03-17 | 国网甘肃省电力公司 | Control integration self-adaptive evaluation method based on xAPI behavior acquisition technology |
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