CN105761167A - Method for evaluating health status of transformer station secondary equipment - Google Patents
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Abstract
The invention discloses a method for evaluating the health status of transformer station secondary equipment. The method comprises following steps of: triggering an evaluation strategy; acquiring the correlative operation information of the secondary equipment to be evaluated according to the evaluation strategy; contrasting the operation information with an evaluation basis to generate an evaluation result about the health status of the secondary equipment to be evaluated; and making, outputting, and storing an evaluation report according to the evaluation result. The invention also discloses a system for evaluating the health status of transformer station secondary equipment. The method and the system may intelligently acquire, analyze, and count various conditions of the transformer station secondary equipment in an operation process, enables a user to check, determine, and process the conditions in a convenient and visualized way so as to maintain the secondary equipment rapidly and accurately, save a plenty of human and material resources, and further guarantee safe, stable, and reliable operation of a power grid.
Description
Technical field
The present invention relates to intelligent substation technical field, particularly to appraisal procedure and the assessment system of a kind of substation secondary device health status.
Background technology
Substation secondary device is the important component part of power system, and the safe operation of secondary device is to maintaining stablizing of power system, it is ensured that the reliability service tool of electrical network is of great significance.Along with the continuous enhancing of the fast development of intelligent grid, substation secondary device self-test capability and communication capacity, therefore, the operation of equipment, maintenance, maintenance, management are had higher requirement.
The O&M of secondary device is generally divided into following several modes by us at present: regular inspection, Quan Jian, Te Wei.Quick increase along with number of devices, the extensive application of new technique, the continuous lifting that fine-grained management requires, but it is relatively fixed in operation maintenance personnel establishment, under the practical situation such as the repair time is greatly shortened, task substantial increase, a lot of problem will certainly be brought, as: maintenance is not enough (this is not repaiied), maintenance superfluous (that should not repair repaiies), keep in repair and delayed (be broken and just repair, purpose not up to prophylactic repair), in advance maintenance (equipment is not bad, repair bad), blindly maintenance (not knowing to repair, time is up just repaiies) etc..Meanwhile, current Intelligent transformer station, in order to grasp the ruuning situation of equipment in time, still need to spend substantial amounts of human and material resources.
As can be seen here, traditional O&M pattern has not adapted to the O&M demand of intelligent grid.For adapting to the development of intelligent grid, in the urgent need to providing one can save user cost, and in time, reliable O&M method and system.
Summary of the invention
The present invention solves that above-mentioned technical problem provides appraisal procedure and the assessment system of a kind of substation secondary device health status, the substation secondary device various situations in running can be carried out intelligent acquisition, analysis and statistics, facilitate user intuitively to consult and judgement processes, thus reaching quick and precisely secondary device to be safeguarded, save a large amount of human and material resources, and then guarantee that electricity net safety stable runs reliably.
For achieving the above object, the present invention provides the appraisal procedure of a kind of substation secondary device health status, comprises the steps: to trigger assessment strategy；The relevant operation information of secondary device to be assessed is gathered according to described assessment strategy；Described operation information is generated the assessment result about described secondary device health status to be assessed with assessment according to carrying out contrast；Make assessment report output according to described assessment result and store.
Further, before the step of described triggering assessment strategy, including: work out assessment strategy, including formulating the assessment order of secondary device to be assessed, assessment content, assessment frequency and startup time and the assessment result way of output.
Further, described assessment content includes described secondary device to be assessed and the communication conditions of substation, operation information check result, sampling comparison result, external area error analysis result, alert analysis result, recorder data analysis result.
Further, described operation information is being generated about among the step of the assessment result of described secondary device health status to be assessed according to carrying out contrast with assessment, including: carry out Classifying Sum and calculating according to described assessment according to every in described operation information, carry out closed loop simultaneously for the secondary device to be assessed that operational factor is abnormal and automatically configure and obtain configuration result comprehensively to generate described assessment result.
Further, Classifying Sum and calculating is being carried out according to every in described operation information according to described assessment, simultaneously, closed loop is carried out for the secondary device to be assessed that operational factor is abnormal and automatically configures and obtain configuration result comprehensively to generate among the step of described assessment result, including: gather the operation information of described secondary device to be assessed in the assessment period and put into buffer memory；From described buffer memory, read the described operation information gathered, and compare with the related data in described assessment foundation；If there is abnormal data, add up described abnormal data at once, and record the period of data exception；If data are normal, then the record data normal period；If operational factor is abnormal, it is corrected abnormal according to the reference value of operational factor in described assessment foundation, and repeat the above steps comparison operational factor again is to verify correction result, and described correction result is recorded as configuration result；Release buffer memory, stores described operation information；Undertaken the period of the described data normal period recorded respectively Yu described data exception adding up and the comprehensive described configuration result described assessment result of generation.
Further, by described operation information with assessment according to carry out contrast generate about the step of the assessment result of described secondary device health status to be assessed before, including: described secondary device to be assessed is carried out assessment of failure, including: from the historical record of described secondary device communication disruption to be assessed, filter out period the buffer memory of communication disruption in the described assessment period；Judge that in the described assessment period, whether the operation of described secondary device to be assessed is normal, if abnormal, then the record operation exception period；If normal, then continuing to judge in the described assessment period, whether data link interrupts, if interrupted, then record data link interrupts the period；If do not interrupted, then statistics residue interrupts period total duration.
Further, if described normal, then continuing to judge in the described assessment period, whether data link interrupts, if interrupted, then record data link interrupts the period；If do not interrupted, then after statistics residue interrupts the step of period total duration, including: the described operation exception period was added with the described data link interruption period, counts total duration of non-equipment fault；It is calculated obtaining the equipment physical fault time by total duration that described residue interrupts period total duration and non-equipment fault.
Further, making among assessment report output the step that stores according to described assessment result, including: the assessment result of corresponding described secondary device to be assessed and health Evaluation classification standard are analyzed, to obtain the health status grade of described secondary device to be assessed, wherein, described health status grade is divided into health status, attention state and high-risk status；Judge the health status grade of described secondary device to be assessed, and then take suitable means to notify user according to described health status grade.
Further, suitable means are being taked to notify among the step of user according to described health status grade, including: if it is determined that when the health status grade obtaining described secondary device to be assessed is health status, do not trigger alarm；If it is determined that when the health status grade obtaining described secondary device to be assessed is attention state, online pushing equipment health anomalies alerts, and sends note and the mail of equipment health anomalies by note cat and mail router to related personnel；If it is determined that when the health status grade obtaining described secondary device to be assessed is high-risk status, the healthy high-risk alarm of online pushing equipment, and send the equipment high-risk note of health and mail to related personnel by note cat and mail router.
For achieving the above object, the present invention also provides for the assessment system of a kind of substation secondary device health status, including: main website and substation, described main website includes communication server, database server and application server；Described substation, the assessment strategy for triggering according to described application server gathers the operation information of secondary device to be assessed；Described communication server, is used for and communication between described substation, obtains the operation information that described substation gathers；Described application server, for issuing assessment strategy to described substation by described communication server；The operation information acquired by described communication server is generated the assessment result about described secondary device health status to be assessed with the assessment obtained from described database server according to carrying out contrast；And make assessment report output according to described assessment result；Described database server, for storing the operation information that described communication server is acquired；And store the assessment result of described application server generation and the assessment form of making.
The appraisal procedure of the substation secondary device health status of the present invention and assessment system, have the advantages that the collection by the operation information to secondary device to be assessed, according to assessment according to this secondary device being carried out health Evaluation and then passing judgment on out its health status, to facilitate the health status according to this secondary device to formulate special maintenance echelon, make operation maintenance personnel have more energy to put in the disposal of the secondary device that health status worsens, and then eliminate power grid security hidden danger in time.
Accompanying drawing explanation
Fig. 1 is the flow chart of the appraisal procedure of substation secondary device health status of the present invention.
Fig. 2 be substation secondary device health status of the present invention appraisal procedure in assessment strategy formulate flow chart.
Fig. 3 be substation secondary device health status of the present invention appraisal procedure in assessment result generate method flow chart.
Fig. 4 be substation secondary device health status of the present invention appraisal procedure in the flow chart of operation information acquisition method.
Fig. 5 be substation secondary device health status of the present invention appraisal procedure in the flow chart that automatically configures of operational factor closed loop.
Fig. 6 be substation secondary device health status of the present invention appraisal procedure in secondary device to be assessed carried out the method flow diagram of assessment of failure.
Fig. 7 be substation secondary device health status of the present invention appraisal procedure in alarm pushing logic chart.
Detailed description of the invention
Below in conjunction with drawings and embodiments, the present invention is described in detail.
Consult Fig. 1, the appraisal procedure of the substation secondary device health status of embodiment of the present invention, comprise the steps:
Step S1, works out assessment strategy.
Specifically include assessment order, assessment content, assessment frequency and the startup time and the assessment result way of output of formulating secondary device to be assessed.Wherein, assessment order refer mainly to secondary device quantity to be assessed be two and above time, to its order assessed successively；Assessment content includes secondary device to be assessed and analyzes result with the communication conditions of substation, operation definite value check result, pressing plate check result, sampling comparison result, external area error analysis result, alert analysis result, recorder data；The frequency of assessment and in the startup time, the frequency of assessment can be tieed up grade according to spy and arrange and also can artificially arrange, as when one-level spy ties up during twice, two grades special dimensions of assessment in a week assessment in a week once, three grades special tie up time within two weeks, assess once.Certainly, this assessment strategy also can arrange the assessment result way of output, be mainly used in secondary device early warning object setting assessment report output path, filename being set and being in a bad state of health.
For example, step S1 includes following sub-step, as shown in Figure 2:
Step S11, starts assessment strategy configuration module.Can be started by system manager.
Step S12, arranges assessment content and exception equipment.This exception equipment refers mainly to the secondary device not assessing inspecting state and substation communication disruption.
Step S13, selects one or more secondary devices of pending assessment in electrical network.
Step S14, arranges frequency and the startup time of evaluation operation.
Step S15, arranges evaluation operation and terminates the processing mode of later evaluation result.
Step S16, arranges evaluation operation and terminates outgoing route and the report name of rear secondary device health Evaluation form.
Step S17, arranges the sending object of SMS, mail early warning information.
Step S18, conversation strategy configuration result.Namely the configuration done is preserved.
Step S19, generates assessment strategy and exits assessment strategy configuration module.
Step S2, triggers assessment strategy.
It can adopt and manually triggers or automatically trigger two ways, it is preferred to use triggering mode automatically.Automatically the assessment frequency in mainly configuring and what the startup time triggered automatically is triggered according to assessment strategy.
Step S3, gathers the relevant operation information of secondary device to be assessed according to assessment strategy.
Wherein, the operation information correspondence assessment gathered content included by content.
Step S4, generates assessment result about to be assessed secondary device health status with assessment according to carrying out contrast by operation information.This assessment is according to being typically derived from evaluation criteria data base, owing to the evaluation criteria of different secondary devices and correspondence is generally inconsistent, therefore generally can read, according to keywords such as the model of secondary device, version and dates, the assessment foundation matched with secondary device to be assessed from evaluation criteria data base.
Step S5, makes assessment report output according to assessment result and stores.
Before step S3, also include: judge the communications status of secondary device to be assessed and substation.If communications status is normal, enter step S3；If communications status is abnormal, it is judged that the communications status of next secondary device to be assessed and substation.
Consult Fig. 3, in step s 4, specifically include that and carry out Classifying Sum and calculating according to assessment according to every in operation information, carry out closed loop simultaneously for the secondary device to be assessed that operational factor is abnormal and automatically configure and obtain configuration result comprehensively to generate assessment result.Concrete, this step includes following sub-step:
Step S41, gathers the operation information of secondary device to be assessed in the assessment period and puts into buffer memory.
Step S42, reads the operation information gathered from buffer memory, and compares with the related data in assessment foundation.This step specifically can include following sub-step, specifically as shown in Figure 4:
Step S421, comparison secondary device current operating conditions to be assessed (run/maintenance/stop transport).
Step S422, comparison secondary device to be assessed and substation communications status (on/off).
Step S423, comparison secondary device to be assessed runs definite value check result (consistency/inconsistency).
Step S424, comparison secondary device to be assessed pressing plate state check result (consistency/inconsistency).
Step S425, comparison secondary device to be assessed sampling comparison result (in scope/scope outer).
Step S426, comparison secondary device external area error to be assessed analyzes result (consistent/abnormal).
Step S427, comparison secondary device to be assessed warning information analyzes result (normal/abnormal).
Step S428, comparison secondary device to be assessed recorder data analyzes result (normal/abnormal).
After step S42, enter step S43, it is judged that whether data are normal.If data exception, enter step S44；If data are normal, enter step S45.
Step S44, adds up abnormal data at once, and records the period of data exception.In step S44, also include sub-step: in detection operation information, whether operational factor is abnormal, if it is abnormal, it is corrected abnormal according to the reference value of operational factor in assessment foundation, and repeat step S41-step S44, comparison operational factor again is to verify correction result, and correction result is recorded as configuration result.
Step S45, records the data normal period.
Step S46, discharges buffer memory, is stored by operation information.
Step S47, is undertaken the period of normal for the data recorded respectively period Yu data exception adding up and comprehensive described configuration result generation assessment result.
Specifically, the sub-step of step S44 is mainly: operational factor is checked out the difference section of discovery and automatically configured according to the mandate of user, again carries out operational factor and check to assess configuration result after configuration.Concrete, as it is shown in figure 5, comprising:
Step S441, checks through operational factor, it has been found that content discrepant with reference value in operational factor.
Step S442, it is judged that whether user authorizes automatically configures.
Step S443, if user's unauthorized automatically configures, exits and automatically configures operation.
Step S444, automatically configures if user authorizes, then according to reference value, difference content in operational factor is automatically configured.
Step S445, checks operational factor again automatically configuring after operation completes, and automatically configures result assessing operational factor.
Step S446, exports operational factor configuration result.Consult Fig. 6, before step S 4, including: secondary device to be assessed is carried out assessment of failure.Specifically, this step includes following sub-step:
Step S31, filters out period the buffer memory of communication disruption in the assessment period from the historical record of secondary device communication disruption to be assessed.
Step S32, it is judged that in the assessment period, whether the operation of secondary device to be assessed is normal.If abnormal, enter step S33；If normal, enter step S34.
Step S33, records the operation exception period.
Step S34, continues to judge in the assessment period, whether data link interrupts.If interrupted, enter step S35；If do not interrupted, enter step S36.Wherein, step S32 and step S34 the fault duration that other fault except the situation except secondary device faults itself to be assessed causes can be counted.
Step S35, record data link interrupts the period.
Step S36, statistics residue interrupts period total duration.
Further, after step S33-step S36 either step, also include:
Step S37, is added the operation exception period with the data link interruption period, counts total duration of non-equipment fault.
Step S38, is calculated obtaining the equipment physical fault time by total duration that residue interrupts period total duration and non-equipment fault.
Consult Fig. 7, among step S5, including:
Step S51, is analyzed the assessment result of corresponding secondary device to be assessed and health Evaluation classification standard, to obtain the health status grade of secondary device to be assessed.
Wherein, health status grade can be divided into health status, attention state and high-risk status.It is of course also possible to divide according to other standard.Health Evaluation classification standard is formulated in advance.
Step S52, it is judged that the health status grade of secondary device to be assessed, and take suitable means to notify user according to health status grade.Namely the alarm means that different crises are corresponding different.
Specifically, if it is determined that when the health status grade obtaining secondary device to be assessed is health status, do not trigger alarm；If it is determined that when the health status grade obtaining secondary device to be assessed is attention state, online pushing equipment health anomalies alerts, and sends note and the mail of equipment health anomalies by note cat and mail router to related personnel；If it is determined that when the health status grade obtaining secondary device to be assessed is high-risk status, the healthy high-risk alarm of online pushing equipment, and send the equipment high-risk note of health and mail to related personnel by note cat and mail router.Certainly, when attention state and high-end trim, it is also possible to by QQ, wechat etc., instant tool notification related personnel processes.
The present invention also provides for the assessment system of a kind of substation secondary device health status, including: main website and substation, main website includes communication server, database server and application server；Substation, the assessment strategy for triggering according to application server gathers the operation information of secondary device to be assessed；Communication server, is used for and communication between substation, obtains the operation information that substation gathers；Application server, for issuing assessment strategy to substation by communication server；The operation information acquired by communication server is generated the assessment result about secondary device health status to be assessed with the assessment obtained from database server according to carrying out contrast；And make assessment report output according to assessment result；Database server, for the operation information that memory communicating server is acquired；And the assessment form of the assessment result of storage application server generation and making.
This assessment system generally can also include work station, and work station is human computer conversation's terminal of main website, and it is with application server mutual response.Work station can be used for previously described on-line alarm.
This assessment system generally can also include note cat, for being sent in the mobile phone of associated user by assessment result with short message mode, can inform user in time when secondary device health status to be assessed is abnormal.
The appraisal procedure of the substation secondary device health status of the present invention and assessment system, have the advantages that the collection by the operation information to secondary device to be assessed, according to assessment according to this secondary device being carried out health Evaluation and then passing judgment on out its health status, to facilitate the health status according to this secondary device to formulate special maintenance echelon, make operation maintenance personnel have more energy to put in the disposal of the secondary device that health status worsens, and then eliminate power grid security hidden danger in time.
These are only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (10)
1. the appraisal procedure of a substation secondary device health status, it is characterised in that comprise the steps:
Trigger assessment strategy；
The relevant operation information of secondary device to be assessed is gathered according to described assessment strategy；
Described operation information is generated the assessment result about described secondary device health status to be assessed with assessment according to carrying out contrast；
Make assessment report output according to described assessment result and store.
2. the appraisal procedure of substation secondary device health status according to claim 1, it is characterised in that before the step of described triggering assessment strategy, including:
Work out assessment strategy, including formulating the assessment order of secondary device to be assessed, assessment content, assessment frequency and startup time and the assessment result way of output.
3. the appraisal procedure of substation secondary device health status according to claim 2, it is characterized in that, described assessment content includes described secondary device to be assessed and analyzes result, alert analysis result, recorder data analysis result with the communication conditions of substation, operation information check result, sampling comparison result, external area error.
4. the appraisal procedure of substation secondary device health status according to claim 1, it is characterized in that, described operation information is being generated about among the step of the assessment result of described secondary device health status to be assessed according to carrying out contrast with assessment, including:
Carry out Classifying Sum and calculating according to described assessment according to every in described operation information, carry out closed loop simultaneously for the secondary device to be assessed that operational factor is abnormal and automatically configure and obtain configuration result comprehensively to generate described assessment result.
5. the appraisal procedure of substation secondary device health status according to claim 4, it is characterized in that, Classifying Sum and calculating is being carried out according to every in described operation information according to described assessment, simultaneously, closed loop is carried out for the secondary device to be assessed that operational factor is abnormal and automatically configures and obtain configuration result comprehensively to generate among the step of described assessment result, including:
Gather the operation information of described secondary device to be assessed in the assessment period and put into buffer memory；
From described buffer memory, read the described operation information gathered, and compare with the related data in described assessment foundation；
If there is abnormal data, add up described abnormal data at once, and record the period of data exception；If data are normal, then the record data normal period；If operational factor is abnormal, it is corrected abnormal according to the reference value of operational factor in described assessment foundation, and repeat the above steps comparison operational factor again is to verify correction result, and described correction result is recorded as configuration result；
Release buffer memory, stores described operation information；
Undertaken the period of the described data normal period recorded respectively Yu described data exception adding up and the comprehensive described configuration result described assessment result of generation.
6. the appraisal procedure of substation secondary device health status according to claim 5, it is characterized in that, by described operation information with assessment according to carry out contrast generate about the step of the assessment result of described secondary device health status to be assessed before, including:
Described secondary device to be assessed is carried out assessment of failure, including:
Period the buffer memory of communication disruption in the described assessment period is filtered out from the historical record of described secondary device communication disruption to be assessed；
Judge that in the described assessment period, whether the operation of described secondary device to be assessed is normal, if abnormal, then the record operation exception period；
If normal, then continuing to judge in the described assessment period, whether data link interrupts, if interrupted, then record data link interrupts the period；If do not interrupted, then statistics residue interrupts period total duration.
7. the appraisal procedure of substation secondary device health status according to claim 6, it is characterised in that if described normal, then continue to judge in the described assessment period, whether data link interrupts, if interrupted, then record data link interrupts the period；If do not interrupted, then after statistics residue interrupts the step of period total duration, including:
The described operation exception period was added with the described data link interruption period, counts total duration of non-equipment fault；
It is calculated obtaining the equipment physical fault time by total duration that described residue interrupts period total duration and non-equipment fault.
8. the appraisal procedure of substation secondary device health status according to claim 1, it is characterised in that making among assessment report output the step that stores according to described assessment result, including:
The assessment result of corresponding described secondary device to be assessed and health Evaluation classification standard are analyzed, to obtain the health status grade of described secondary device to be assessed, wherein, described health status grade is divided into health status, attention state and high-risk status；
Judge the health status grade of described secondary device to be assessed, and then take suitable means to notify user according to described health status grade.
9. the appraisal procedure of substation secondary device health status according to claim 8, it is characterised in that taking suitable means to notify among the step of user according to described health status grade, including:
If it is determined that when the health status grade obtaining described secondary device to be assessed is health status, do not trigger alarm；
If it is determined that when the health status grade obtaining described secondary device to be assessed is attention state, online pushing equipment health anomalies alerts, and sends note and the mail of equipment health anomalies by note cat and mail router to related personnel；
If it is determined that when the health status grade obtaining described secondary device to be assessed is high-risk status, the healthy high-risk alarm of online pushing equipment, and send the equipment high-risk note of health and mail to related personnel by note cat and mail router.
10. the assessment system of a substation secondary device health status, it is characterised in that including:
Main website and substation, described main website includes communication server, database server and application server；
Described substation, the assessment strategy for triggering according to described application server gathers the operation information of secondary device to be assessed；
Described communication server, is used for and communication between described substation, obtains the operation information that described substation gathers；
Described application server, for issuing assessment strategy to described substation by described communication server；The operation information acquired by described communication server is generated the assessment result about described secondary device health status to be assessed with the assessment obtained from described database server according to carrying out contrast；And make assessment report output according to described assessment result；
Described database server, for storing the operation information that described communication server is acquired；And store the assessment result of described application server generation and the assessment form of making.
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Cited By (7)
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| CN106571627A (en) * | 2016-10-12 | 2017-04-19 | 中国南方电网有限责任公司 | Secondary device health state evaluation method based on on-line monitoring information |
| CN106877503A (en) * | 2017-03-15 | 2017-06-20 | 国家电网公司 | Risk identification and method for early warning in secondary device intelligence operational system |
| CN107133733A (en) * | 2017-04-26 | 2017-09-05 | 消检通（深圳）科技有限公司 | Fire-fighting equipment maintenance report form generation method, device and computer-readable recording medium |
| CN109217233A (en) * | 2018-11-13 | 2019-01-15 | 国网甘肃省电力公司电力科学研究院 | Realize the method and system of secondary device communication state assessment control |
| CN109697572A (en) * | 2018-12-28 | 2019-04-30 | 国网电子商务有限公司 | Appraisal procedure, device and the electronic equipment of photovoltaic plant health status |
| CN112561727A (en) * | 2020-10-23 | 2021-03-26 | 国网山东省电力公司日照供电公司 | Comprehensive management system for operation analysis and health assessment of power distribution network |
| CN113194003A (en) * | 2021-05-18 | 2021-07-30 | 深圳供电局有限公司 | Substation communication statistical method and module for intelligent control of secondary equipment |
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