CN110376542A - A kind of electric energy meter state evaluation system and method - Google Patents
A kind of electric energy meter state evaluation system and method Download PDFInfo
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- CN110376542A CN110376542A CN201910621599.3A CN201910621599A CN110376542A CN 110376542 A CN110376542 A CN 110376542A CN 201910621599 A CN201910621599 A CN 201910621599A CN 110376542 A CN110376542 A CN 110376542A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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Abstract
The invention discloses a kind of electric energy meter state evaluation system and method, which includes electric energy meter state monitoring module, and the real time status and electric energy meter unique characteristics for running to electric energy meter are monitored;Electric energy meter condition grading computing module is connected with the electric energy meter state monitoring module, for the real time status data and electric energy meter unique characteristics calculation risk value according to the electric energy meter monitored according to electric energy meter state monitoring module;State determination module, it is connected with the electric energy meter state monitoring module, electric energy meter state monitoring module respectively, the state value-at-risk of last time electric energy meter to be calculated according to electric energy meter condition grading computing module makes the difference with this next state value-at-risk, according to the range of difference, determine the operating status of electric energy meter, Maintain strategy module is connected with the state determination module, to export corresponding field test strategy according to the operating status of electric energy meter determined by state determination module.This system is easy to carry out electric energy meter quantitative status assessment, and formulates Maintain strategy, realize to electric energy meter operating status it is controllable, controlling.
Description
Technical field
The present invention relates to status of electric power to evaluate field, specially a kind of electric energy meter state evaluation system and method.
Background technique
With the continuous expansion of power grid scale, energy metering device quantity is also being continuously increased, and week is examined as defined in regulation
Phase or excessively frequently, a large amount of human and material resources need to be put into, and energy metering device operating status is simultaneously between field-checking twice
It is uncontrollable;Period is too long, can not promptly and accurately grasp the operating status of electric energy meter equipment, these too long and too short inspections
It tests, it is difficult to meet the needs of critical point management.
Summary of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of electric energy meter state evaluation system and side are provided
Method timely and accurately to grasp the operating status of electric energy meter, and provides Strategies of Maintenance according to operation conditions.
To achieve the above object, the technical scheme is that
In a first aspect, the embodiment of the invention provides a kind of electric energy meter state evaluation systems, including;
Electric energy meter state monitoring module, real time status and electric energy meter unique characteristics for running to electric energy meter are supervised
It surveys;
Electric energy meter condition grading computing module is connected with the electric energy meter state monitoring module, for according to according to electricity
The real time status data and electric energy meter unique characteristics calculation risk value of the electric energy meter of energy table status monitoring module monitors;
State determination module is connected with the electric energy meter state monitoring module, electric energy meter state monitoring module respectively,
The state value-at-risk of last time electric energy meter to be calculated according to electric energy meter condition grading computing module is done with this next state value-at-risk
Difference determines the operating status of electric energy meter according to the range of difference,
Maintain strategy module is connected, with the electricity according to determined by state determination module with the state determination module
Can the operating status of table export corresponding field test strategy.
The electric energy meter state monitoring module includes:
Data acquisition unit does real time on-line monitoring for the operating parameter to electric energy meter;
Ocular estimate unit carries out real-time monitoring for the overall appearance feature to electric energy meter, electricity box internal feature.
The electric energy meter condition grading computing module includes:
Risk factors judging unit, connects the standard database of server, and the standard database establishes every wind
The data of dangerous factors quantization standards of grading, data and standard database for will input from electric energy meter state monitoring module carry out
Comparison, judges whether it is preset risk factors in standard library module;
Score value computing unit is connected with the risk factors judging unit, for determining risk factors determination module
Risk factors, carry out quantization marking.
For the state determination module according to the range of difference, the method for determining the operating status of electric energy meter is as follows:
Operating status | Last state value-at-risk-this next state value-at-risk |
Well | ≤5 |
Normally | > 5 and≤20 |
Pay attention to | > 20 and≤40 |
It is abnormal | > 40 |
The Maintain strategy module formulates each operation according to the state of electric energy meter affiliated metering device type and electric energy meter
The field test strategy of electric energy meter is as follows under state:
Second aspect, the embodiment of the invention provides a kind of electric energy meter method for evaluating state, comprising the following steps:
The real time status and electric energy meter unique characteristics of electric energy meter operation are monitored;
Calculate the quantization value-at-risk of anticipation risk factors;
Determine the operating status of electric energy meter;
The field test strategy of electric energy meter is formulated according to the operating status of electric energy meter.
The value-at-risk for calculating default risk factors includes:
Establish the standard database of every risk factors Quantitative marking standard;
Real time on-line monitoring is done to the operating parameter of electric energy meter, obtains electric energy meter real time execution supplemental characteristic, while to electricity
The overall appearance feature of energy table, electricity box internal feature carry out real-time monitoring, obtain electric energy meter feature real time data;
Whether detection electric energy meter real time execution supplemental characteristic and electric energy meter feature real time data are pre- in standard database
If risk factors;
Contrast standard database, to the risk factors quantization of input and calculation risk value.
The step of operating status of the determining electric energy meter, specifically include: according to the state value-at-risk of last time electric energy meter with
It is poor that this next state value-at-risk is made, and according to the range of difference, determines the operating status of electric energy meter.
The step of the field test strategy for formulating electric energy meter, specifically includes: according to the affiliated metering device class of electric energy meter
Type determines the field test strategy of electric energy meter in conjunction with the state of electric energy meter
Compared with prior art, the present invention the beneficial effect is that:
(1) evaluation index is extracted in terms of data acquisition and ocular estimate two, selecting index is complete, can be with concentrated expression electricity
The operating status of energy table.
(2) corresponding quantification of targets standard is established, is easy to carry out electric energy meter quantitative status assessment, and formulate inspection
Strategy, realize to electric energy meter operating status it is controllable, controlling.
Detailed description of the invention
Fig. 1 is the composition schematic diagram of electric energy meter state evaluation system provided in an embodiment of the present invention;
In figure: 1, electric energy meter state monitoring module;2, electric energy meter condition grading computing module;3, state determination module;4,
Maintain strategy module;11, data acquisition unit;12, ocular estimate unit;21, risk factors judging unit;22, normal data
Library;23, score value computing unit.
Specific embodiment
The contents of the present invention are described in further details with reference to the accompanying drawings and detailed description.
Embodiment:
It is described refering to fig. 1, electric energy meter state evaluation system provided in this embodiment include electric energy meter state monitoring module 1,
Electric energy meter condition grading computing module 2, state determination module 3, Maintain strategy module 4.Wherein, which calculates
Module 2 is connected with electric energy meter state monitoring module 1, state determination module 3 and electric energy meter condition grading computing module 2 and electric energy meter
State monitoring module 1 is respectively connected with, and Maintain strategy module 4 is connected with state determination module 3.
The real time status and electric energy meter unique characteristics that the electric energy meter state monitoring module 1 is used to run electric energy meter are supervised
It surveys, including data acquisition unit 11 and ocular estimate unit 12.The data acquisition unit 11 is used for the operating parameter to electric energy meter
(such as voltage, electric current, phase, active power, reactive power) does real time on-line monitoring;Ocular estimate unit 12 is used for a variety of
The full spectrum informations such as electricity box overall appearance feature, electricity box internal feature and line security carry out real-time monitoring, from data acquisition and
Two aspects of ocular estimate extract evaluation index, and selecting index is complete, can be with the operating status of concentrated expression electric energy meter.
And the electric energy meter condition grading computing module 2 is then for determining the electric energy that electric energy meter state monitoring module 1 is monitored
Whether the real time status data of table are risk factors, are that risk factors carry out quantization marking.The module includes that risk factors determine
Unit 21 connects the standard database 22 of server, which establishes every risk factors Quantitative marking standard,
For comparing the data of the data inputted from electric energy meter state monitoring module 1 and standard database 22, judge whether it is
Preset risk factors in java standard library mould;Score value computing unit 23 is connected with the risk factors judging unit 21, for wind
The risk factors that dangerous factor judging unit 21 determines, carry out quantization marking.In this way, can be more objective in such a way that marking compares
It sees, accurately reflect the current time of day of electric energy meter.
State determination module 3, the last state value-at-risk calculated according to electric energy meter condition grading computing module 2 and this shape
It is poor that state value-at-risk is made, and the operating status of electric energy meter is determined according to the range of difference, and specific risk difference and state control are as follows.
Operating status | Last state value-at-risk-this next state value-at-risk |
Well | ≤5 |
Normally | > 5 and≤20 |
Pay attention to | > 20 and≤40 |
It is abnormal | > 40 |
Maintain strategy module 4 formulates each operating status according to the state of electric energy meter affiliated metering device type and electric energy meter
The field test strategy of lower electric energy meter, and the Risk-warning notice is issued, specific field test strategy is as follows:
Corresponding quantification of targets standard is established above, is easy to carry out electric energy meter quantitative status assessment, and formulate inspection
Test strategy, realize to electric energy meter operating status it is controllable, controlling.
Correspondingly, the present embodiment additionally provides a kind of electric energy meter method for evaluating state, comprising the following steps:
1) real time status and electric energy meter unique characteristics of electric energy meter operation are monitored;
2) the quantization value-at-risk of anticipation risk factors is calculated;
Determine the operating status of electric energy meter;
4) the field test strategy of electric energy meter is formulated.
The step of calculating the value-at-risk of default risk factors in one of electric energy meter method for evaluating state in step 2), tool
Body includes:
1) standard database of every risk factors Quantitative marking standard is established;
2) real time on-line monitoring done to the operating parameter of electric energy meter, at the same to inside a variety of electricity box overall appearances, electricity box and
The full spectrum informations such as line security carry out real-time monitoring;
3) detecting step 2) data whether be preset risk factors in standard database;
4) contrast standard database, to the risk factors quantization of input and calculation risk value.
The step of operating status of electric energy meter is determined in one of electric energy meter method for evaluating state in step 3), it is specific to wrap
Include: it is poor to be made according to the state value-at-risk of last time electric energy meter and this next state value-at-risk, according to the range of difference, determines electric energy meter
Operating status.
The step of the field test strategy of electric energy meter, tool are formulated in one of electric energy meter method for evaluating state in step 4)
Body includes:, in conjunction with the state of electric energy meter, to determine the field test strategy of electric energy meter according to the affiliated metering device type of electric energy meter.
Simply to illustrate that technical concepts and features of the invention, its purpose is allows in the art above-described embodiment
Those of ordinary skill cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all
It is the equivalent changes or modifications that the essence of content according to the present invention is made, should be covered by the scope of protection of the present invention.
Claims (9)
1. a kind of electric energy meter state evaluation system, which is characterized in that including;
Electric energy meter state monitoring module, real time status and electric energy meter unique characteristics for running to electric energy meter are monitored;
Electric energy meter condition grading computing module is connected with the electric energy meter state monitoring module, for according to according to electric energy meter
The real time status data and electric energy meter unique characteristics calculation risk value of the electric energy meter of state monitoring module monitoring;
State determination module is connected with the electric energy meter state monitoring module, electric energy meter state monitoring module respectively, to
The state value-at-risk of the last time electric energy meter calculated according to electric energy meter condition grading computing module makes the difference with this next state value-at-risk, root
According to the range of difference, the operating status of electric energy meter is determined,
Maintain strategy module is connected, with the electric energy meter according to determined by state determination module with the state determination module
Operating status export corresponding field test strategy.
2. electric energy meter state evaluation system as described in claim 1, which is characterized in that the electric energy meter state monitoring module packet
It includes:
Data acquisition unit does real time on-line monitoring for the operating parameter to electric energy meter;
Ocular estimate unit carries out real-time monitoring for the overall appearance feature to electric energy meter, electricity box internal feature.
3. electric energy meter state evaluation system as claimed in claim 1 or 2, which is characterized in that the electric energy meter condition grading meter
Calculating module includes:
Risk factors judging unit, connect server standard database, the standard database establish every risk because
Plain Quantitative marking standard, the data of data and standard database for will input from electric energy meter state monitoring module carry out pair
Than judging whether it is preset risk factors in standard library module;
Score value computing unit is connected with the risk factors judging unit, the wind for determining risk factors determination module
Dangerous factor carries out quantization marking.
4. electric energy meter state evaluation system as claimed in claim 3, which is characterized in that the state determination module is according to difference
Range, the method for determining the operating status of electric energy meter is as follows:
5. electric energy meter state evaluation system as claimed in claim 4, which is characterized in that the Maintain strategy module, according to electricity
The state of energy table affiliated metering device type and electric energy meter, the field test strategy for formulating electric energy meter under each operating status are as follows:
6. a kind of electric energy meter method for evaluating state, which comprises the following steps:
The real time status and electric energy meter unique characteristics of electric energy meter operation are monitored;
Calculate the quantization value-at-risk of anticipation risk factors;
Determine the operating status of electric energy meter;
The field test strategy of electric energy meter is formulated according to the operating status of electric energy meter.
7. electric energy meter method for evaluating state as claimed in claim 6, which is characterized in that the wind for calculating default risk factors
Nearly value includes:
Establish the standard database of every risk factors Quantitative marking standard;
Real time on-line monitoring is done to the operating parameter of electric energy meter, obtains electric energy meter real time execution supplemental characteristic, while to electric energy meter
Overall appearance feature, electricity box internal feature carry out real-time monitoring, obtain electric energy meter feature real time data;
It detects electric energy meter real time execution supplemental characteristic and whether electric energy meter feature real time data is preset in standard database
Risk factors;
Contrast standard database, to the risk factors quantization of input and calculation risk value.
8. electric energy meter method for evaluating state as claimed in claim 6, it is characterised in that: determine the step of the operating status of electric energy meter
Suddenly, specifically include: it is poor to be made according to the state value-at-risk of last time electric energy meter and this next state value-at-risk, according to the range of difference, really
Determine the operating status of electric energy meter.
9. electric energy meter method for evaluating state as claimed in claim 6, it is characterised in that: formulate the field test strategy of electric energy meter
Step specifically includes: determining the scene inspection of electric energy meter in conjunction with the state of electric energy meter according to the affiliated metering device type of electric energy meter
Test strategy.
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Cited By (1)
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Application publication date: 20191025 |