CN105044656B - A kind of electric energy meter thermodynamic state verification method - Google Patents
A kind of electric energy meter thermodynamic state verification method Download PDFInfo
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Abstract
The present invention relates to a kind of electric energy meter thermodynamic state verification method, this electric energy meter thermodynamic state verification method is to be based on electric energy meter running status, consider the key elements such as electric energy meter operation stability, operational reliability and latent defect, to the excavation of electric energy meter reasonable Develop Data, model calculating, thermodynamic state verification, and Maintain strategy is formulated according to state test result.Present invention firstly provides electric energy measuring equipment method for evaluating state, electric energy meter operation and management mode is lifted to thermodynamic state verification by periodic inspection, the human and material resources of cycle field test needs can not only be greatlyd save, and under intelligent grid fast development background, electric energy meter thermodynamic state verification is by as the new strategy of electric power meter intelligent management from now on.
Description
Technical field
The invention belongs to electric field experimental field, especially a kind of electric energy meter thermodynamic state verification method.
Background technology
The extensive use of Current electronic formula electric energy meter, different from mechanical power energy meter, the metering of electronic electric energy meter misses
Difference is more stable within the re-testing periods.State Grid Corporation of China has implemented overall process quality surveillance pipe to electronic electric energy meter
Reason, before covering bid, before the supply of material, after arrival, in operation until overall process out of service, the thermodynamic state verification to electric energy meter track
Evaluation provides implementation premise.
But the field test work Main Basiss DL/T448-2000 of current electric energy meter《Electric power meter technical management is advised
Journey》The mode that field test is periodically arrived by technical staff is carried out.As high-volume electronic electric energy meter is filling, power information
The deep application of the related systems such as collection, existing periodically field test can not meet custodian to judge whether meter is overproof
Member needs to capturing service management and control and electric energy meter operation management.Therefore artificial periodically field test is no longer unique technical supervision
Means, and as the raising that power network development, user increase and company's lean management requires is, it is necessary to carry out the electricity of field test
Energy table quantity persistently increases, the contradiction of workload increase and personnel's reduction.
Electric energy meter field periodic inspection primarily to find that mechanical power energy meter is interior in the case of long-play in time
There is a kind of measuring means for situations such as abrasion, aging causing error in dipping to change and formulating in portion's component.Metrological regulation
The defined field-checking cycle is also the requirement carried out for induction type electric energy meter.At present, electronic electric energy meter in company
It is used widely, its error in dipping has been found stability by field test in recent years will be significantly larger than inductive power
Table, if scene inspection of the proper extension in shipment row electronic electric energy meter field test cycle, or adjustment electronic electric energy meter
Detection method is tested, is worth metrological personnel further investigation to be inquired into.In recent years, increasing sharply with company service power customer quantity
The relative aging with field-checking staffs', field-checking work complete quality and are difficult to reach expected target requirement, work
Make contradiction, therefore need badly and seek to establish a kind of new work management method or mechanism adaptation electronic electric energy meter stabilization
The monitoring requirement of operation.
The content of the invention
Operating efficiency is improved it is an object of the invention to overcome the deficiencies of the prior art and provide one kind, is used manpower and material resources sparingly
Electric energy meter thermodynamic state verification method.
The present invention solves its technical problem and takes following technical scheme to realize：
A kind of electric energy meter thermodynamic state verification method, it is characterised in that：This electric energy meter thermodynamic state verification method is transported based on electric energy meter
Row state, consider the key elements such as electric energy meter operation stability, operational reliability and latent defect, electric energy meter is rationally opened
Data mining, model calculating, thermodynamic state verification are opened up, and corresponding Maintain strategy is formulated according to state test result.
Moreover, concretely comprise the following steps：
(1) triggering is examined；
(2) quantity of state is chosen；
(3) troubleshooting, the abnormality amount that quantity of state knows electric energy meter is (2) chosen according to step, is disposed, for different
The normal insurmountable electric energy meter of state carries out failure and changes table, and state evaluation is carried out after changing table；Successfully solved for abnormality
Electric energy meter directly carries out state evaluation；
(4) state evaluation, evaluation procedure are：
1. starting state evaluates task management policy, electric energy meter to be evaluated enters state evaluation task management system；
2. the task of evaluation and detailed generation；
3. data acquisition, data are obtained according to task is detailed；
4. automatic Evaluation, automatic Evaluation is carried out using evaluation algorithms model；
5. generate evaluation result report；
(5) state judges, the evaluation result (4) obtained according to step carries out state judgement, and is audited；
(6) Maintain strategy, examination and adjustment cycle are generated.
Moreover, (1) step examines the mode of triggering to include：1. family's defect triggering, family pinpoints the problems in, user
Actively open family's defect triggering；
2. on-line monitoring triggering, on-line monitoring triggering is carried out by networked system for test-target electric energy meter；
3. field test triggers, testing ground is tested triggering；
4. clocked flip, specification test cycle time, triggered automatically after often reaching the corresponding time.
Moreover, (2) step chooses quantity of state：For step (1) in the electric energy meter that is 2. 3. 4. triggered by situation, extraction target electricity
The quantity of state of energy table, 10 quantity of states that reflection electric energy meter runs accurately and reliably degree need to be chosen, including：Electric energy meter misses substantially
Difference, kinematic error, error diffusion, batch return of goods rate, operation troubles rate, run time, electricity are abnormal, clock is abnormal and use
Family prestige；
For step (1) middle situation 1. family's defect triggering target electric energy meter, it is not necessary to carry out step (2), directly enter
Row failure changes table.
Moreover, the method for disposal of step (3) troubleshooting includes：
1. for the electric energy meter that clock is abnormal, when carrying out main website pair, pair when unsuccessful progress failure change table, it is laggard to change table
Row state evaluation；Pair when successfully directly carry out state evaluation；
2. for the electric energy meter that electricity is abnormal, site disposal is carried out, table is changed for abnormal unsolved progress failure, changes table
After carry out state evaluation；For the direct carry out state evaluation solved extremely；
3. for the electric energy meter of kinematic error, error contrast is carried out, the overproof electric energy meter of comparing result carries out failure and changes table,
State evaluation is carried out after changing table；Not overproof direct carry out state evaluation.
Moreover, (6) step generates Maintain strategy, electric energy meter is divided into stabilization, general and attention according to state determination results
The different degrees of inspection level of three classes；
Stabilized, extend round of visits；
General class, the cycle according to as defined in DL448 continue executing with inspection；
Pay attention to class, shorten round of visits.
The advantages and positive effects of the present invention are：
1st, the lifting of existing electric energy meter periodic inspection pattern is arrived thermodynamic state verification by the utilization of this method, not only increases live inspection
Operating efficiency is tested, and saves the human and material resources of a large amount of field test needs of work, only Efficiency in Buildings in Tianjin Area can save into every year
This more than 1,000 ten thousand yuan, the technology is by as the new strategy of electric power meter intelligent management from now on.
2nd, the information system such as the collection of this method strengthened research power information, sales service application, metering production scheduling platform
Data, the correlation behavior amount that reflection electric energy meter runs accurately and reliably degree is chosen, periodically carries out electric energy meter evaluation of running status, root
Carry out thermodynamic state verification according to evaluation result.
3rd, present invention firstly provides electric energy measuring equipment method for evaluating state, electric energy meter operation and management mode is examined by the cycle
Test lifting and arrive thermodynamic state verification, the human and material resources of cycle field test needs can not only be greatlyd save, and it is quick in intelligent grid
Under its development, electric energy meter thermodynamic state verification is by as the new strategy of electric power meter intelligent management from now on.
Brief description of the drawings
Fig. 1 is electric energy meter thermodynamic state verification techniqueflow schematic diagram.
Embodiment
Below in conjunction with the accompanying drawings and the invention will be further described by specific embodiment, and following examples are descriptive
, it is not limited, it is impossible to which protection scope of the present invention is limited with this.
A kind of electric energy meter thermodynamic state verification method, this electric energy meter thermodynamic state verification method are to be based on electric energy meter running status, comprehensive
Consider the key elements such as electric energy meter operation stability, operational reliability and latent defect, the reasonable Develop Data of electric energy meter is excavated,
Model calculates, thermodynamic state verification, and formulates Maintain strategy according to state test result.
Concretely comprise the following steps：
(1) triggering is examined, and examining the mode of triggering includes：
1. family's defect triggering, family pinpoints the problems in, and user actively opens family's defect triggering；
2. on-line monitoring triggering, on-line monitoring triggering is carried out by networked system for test-target electric energy meter；
3. field test triggers, testing ground is tested triggering；
4. clocked flip, specification test cycle time, triggered automatically after often reaching the corresponding time；
(2) quantity of state is chosen,
For step (1) in the electric energy meter that is 2. 3. 4. triggered by situation, extract the quantity of state of target electric energy meter, need to choose anti-
10 quantity of states that electric energy meter runs accurately and reliably degree are reflected, including：Basic Error of Energy Meter, kinematic error, error diffusion,
Batch return of goods rate, operation troubles rate, run time, electricity exception, clock exception and user's prestige；
For the situation target electric energy meter that 1. family's defect triggers in previous step, it is not necessary to carry out step (2), directly
Carry out failure and change table；
(3) troubleshooting, the abnormality amount that quantity of state knows electric energy meter is (2) chosen according to step, is disposed, for different
The normal insurmountable electric energy meter of state carries out failure and changes table, and state evaluation is carried out after changing table；Successfully solved for abnormality
Electric energy meter directly carries out state evaluation；
Method of disposal includes：
1. for the electric energy meter that clock is abnormal, when carrying out main website pair, pair when unsuccessful progress failure change table, it is laggard to change table
Row state evaluation；Pair when successfully directly carry out state evaluation；
2. for the electric energy meter that electricity is abnormal, site disposal is carried out, table is changed for abnormal unsolved progress failure, changes table
After carry out state evaluation；For the direct carry out state evaluation solved extremely；
3. for the electric energy meter of kinematic error, error contrast is carried out, the overproof electric energy meter of comparing result carries out failure and changes table,
State evaluation is carried out after changing table；Not overproof direct carry out state evaluation；
(4) state evaluation, evaluation procedure are：
1. starting state evaluates task management policy, electric energy meter to be evaluated enters state evaluation task management system；
2. the task of evaluation and detailed generation；
3. data acquisition, data are obtained according to task is detailed；
Data acquisition source includes：Marketing information system, power information acquisition system (add major-minor table to compare, hand over and adopt knot
Fruit), MDS systems, the other systems such as error on-line monitoring system；
4. automatic Evaluation, automatic Evaluation is carried out using evaluation algorithms model；
5. generate evaluation result report；
(5) state judges, the evaluation result (4) obtained according to step carries out state judgement, and is audited；
(6) Maintain strategy is generated, electric energy meter is divided into stabilization, general and attention three classes difference according to state determination results
Degree inspection level, and examination and adjustment strategy；
Stabilized, the examination and adjustment cycle, can be by the renewal of existing round of visits；
General class, the cycle according to as defined in DL448 continue executing with inspection；
Pay attention to class, in the examination and adjustment cycle, shorten round of visits.
Although disclosing embodiments of the invention and accompanying drawing for the purpose of illustration, those skilled in the art can manage
Solution：Do not departing from the present invention and spirit and scope of the appended claims in, it is various replace, change and modifications all be it is possible,
Therefore, the scope of the present invention is not limited to embodiment and accompanying drawing disclosure of that.
Claims (5)
- A kind of 1. electric energy meter thermodynamic state verification method, it is characterised in that：This electric energy meter thermodynamic state verification method is run based on electric energy meter State, electric energy meter operation stability, operational reliability and latent defect key element are considered, to the reasonable development number of electric energy meter Calculated according to excavation, model, thermodynamic state verification, and Maintain strategy is formulated according to state test result；Concretely comprise the following steps：(1) triggering is examined；(2) quantity of state is chosen；(3) troubleshooting, the abnormality amount that quantity of state knows electric energy meter is (2) chosen according to step, is disposed, for abnormal shape The insurmountable electric energy meter of state carries out failure and changes table, and state evaluation is carried out after changing table；The electric energy successfully solved for abnormality Table directly carries out state evaluation；(4) state evaluation, evaluation procedure are：1. starting state evaluates task management policy, electric energy meter to be evaluated enters state evaluation task management system；2. the task of evaluation and detailed generation；3. data acquisition, data are obtained according to task is detailed；4. automatic Evaluation, automatic Evaluation is carried out using evaluation algorithms model；5. generate evaluation result report；(5) state judges, the evaluation result (4) obtained according to step carries out state judgement, and is audited；(6) Maintain strategy, examination and adjustment cycle are generated.
- 2. electric energy meter thermodynamic state verification method according to claim 1, it is characterised in that：(1) step examines the mode bag of triggering Include：1. family's defect triggering, family pinpoints the problems in, and user actively opens family's defect triggering；2. on-line monitoring triggering, on-line monitoring triggering is carried out by networked system for test-target electric energy meter；3. field test triggers, testing ground is tested triggering；4. clocked flip, specification test cycle time, triggered automatically after often reaching the corresponding time.
- 3. electric energy meter thermodynamic state verification method according to claim 2, it is characterised in that：(2) step chooses quantity of state：For Step (1) in the electric energy meter that is 2. 3. 4. triggered by situation, extract the quantity of state of target electric energy meter, reflection electric energy meter operation need to be chosen Accurately and reliably 10 quantity of states of degree, including：Basic Error of Energy Meter, kinematic error, error diffusion, batch return of goods rate, Operation troubles rate, run time, electricity exception, clock exception and user's prestige；For the target electric energy meter in step (1) middle situation 1. family's defect triggering, it is not necessary to carry out step (2), directly carry out former Barrier changes table.
- 4. electric energy meter thermodynamic state verification method according to claim 1, it is characterised in that：The disposal side of step (3) troubleshooting Method includes：1. for the electric energy meter that clock is abnormal, when carrying out main website pair, pair when unsuccessful progress failure change table, carry out shape after changing table State is evaluated；Pair when successfully directly carry out state evaluation；2. for the electric energy meter that electricity is abnormal, site disposal is carried out, table is changed for abnormal unsolved progress failure, it is laggard to change table Row state evaluation；For the direct carry out state evaluation solved extremely；3. for the electric energy meter of kinematic error, error contrast is carried out, the overproof electric energy meter of comparing result carries out failure and changes table, changes table After carry out state evaluation；Not overproof direct carry out state evaluation.
- 5. electric energy meter thermodynamic state verification method according to claim 2, it is characterised in that：(6) step generates Maintain strategy, root Electric energy meter is divided into stabilization, the general and attention different degrees of inspection level of three classes according to state determination results；Stabilized, extend round of visits；General class, the cycle according to as defined in DL448 continue executing with inspection；Pay attention to class, shorten round of visits.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110376542A (en) * | 2019-07-10 | 2019-10-25 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of electric energy meter state evaluation system and method |
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| CN106842101A (en) * | 2015-12-03 | 2017-06-13 | 中国电力科学研究院 | A kind of evaluation method of electric energy meter running status |
| CN105929359A (en) * | 2016-07-11 | 2016-09-07 | 国网重庆市电力公司 | Method for evaluating running accuracy of electric energy meter |
| CN108830437A (en) * | 2018-04-09 | 2018-11-16 | 国电南瑞科技股份有限公司 | A kind of appraisal procedure for intelligent electric energy meter operation |
| CN110873857B (en) * | 2018-09-04 | 2023-01-17 | 中国计量科学研究院 | Intelligent electric energy meter running state evaluation method and system based on multi-source data fusion |
| CN109884576A (en) * | 2019-04-01 | 2019-06-14 | 国网宁夏电力有限公司电力科学研究院 | A kind of electric energy meter thermodynamic state verification method |
| CN110837946A (en) * | 2019-10-09 | 2020-02-25 | 国网天津市电力公司电力科学研究院 | Electric energy meter state evaluation method based on genetic algorithm |
| CN113238180A (en) * | 2021-06-22 | 2021-08-10 | 广东电网有限责任公司计量中心 | State detection method and device for intelligent electric meter |
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