CN110441727A - A kind of pair of electric energy performance school instrument carries out the method and device of state evaluation - Google Patents
A kind of pair of electric energy performance school instrument carries out the method and device of state evaluation Download PDFInfo
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- CN110441727A CN110441727A CN201910717694.3A CN201910717694A CN110441727A CN 110441727 A CN110441727 A CN 110441727A CN 201910717694 A CN201910717694 A CN 201910717694A CN 110441727 A CN110441727 A CN 110441727A
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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 the method and devices that a kind of pair of electric energy performance school instrument carries out state evaluation, and the method includes obtaining parameter preset；Index decomposition is carried out to the state evaluation aspect of electric energy performance school instrument, determines the quantization status items that can be used for showing the electric energy school instrument state evaluation；School instrument state evaluation model is showed according to the parameter preset and electric energy, determines the weighted value and quantized value of the quantization status items, and the appraisal result of the electric energy performance school instrument is calculated；According to the appraisal result and default threshold value of warning, early warning is carried out to electric energy performance school instrument；The method introduces state evaluation in electric energy performance school instrument, the state of school instrument at the scene is showed by state evaluation electric energy, in time discovery and processing electric energy performance school instrument there are the problem of, it promotes the efficiency of electric energy meter field detection and ensures the accuracy of electric energy meter field detection, reduce because electric energy shows school instrument inaccuracy bring economic loss.
Description
Technical field
The present invention relates to electrical energy measurement professional domains, carry out state more particularly, to a kind of pair of electric energy performance school instrument and comment
The method and device of valence
Background technique
Electric energy performance school instrument be to be mounted on power grid enterprises, electricity power enterprise, place, electricity consumption enterprise are used for trade settlement, inside and examine
The device of core electric energy meter progress on-site test.
Power industry standard DL/T448 " electric energy metering device technical management regulation " requires fixed to installing type electric energy meter at present
Phase carries out on-site test to ensure that the accuracy of scene operation electric energy meter, existing detection pattern are that testing staff carries electric energy meter
Now school instrument carries out on-site test to the electric energy meter in its range of management, since electric energy meter distribution is extensive and remote location,
Electric energy shows school instrument when transporting scene to inevitably in the presence of jolting and being lost, and electric energy performance school instrument is caused to carry out electric energy meter field inspection
State when survey is difficult to control, and there is the case where can not accurately measuring scene operation electric energy meter accuracy, it is therefore desirable to carry out electricity
The state-detection of school instrument can be showed.
As detection data automatic collection is in the application of electric energy performance school instrument, so that electric energy performance school instrument and main website, electric energy
The data item of interaction is improved day by day between table, this shows school instrument for electric energy and provides feasibility to state evaluation itself is implemented.
Summary of the invention
It is difficult to slap to solve state of the performance school instrument of electric energy existing for background technique when carrying out electric energy meter field detection
Control, there are problems that, which can not accurately measure scene, runs the accurate implementations of electric energy meter, and the present invention provides a kind of pair of electric energy to show
The method of school instrument progress state evaluation, which comprises
Obtain parameter preset；
To the detection data accuracy of electric energy performance school instrument, operational reliability, potential risk and detection influence amount
Index decomposition is carried out, determines the M quantization status items that can be used for showing the electric energy school instrument state evaluation；The M is positive whole
Number；
School instrument state evaluation model is showed according to the parameter preset and electric energy, determines the M quantization status items
Weighted value and quantized value, and the appraisal result of the electric energy performance school instrument is calculated；
According to the appraisal result and default threshold value of warning, early warning is carried out to electric energy performance school instrument.
Further, when the detection data accuracy includes that the electric energy performance school instrument carries out on-site test to electric energy meter
Obtain the accuracy of error information, standard set-up shows when school instrument carries out calibration or period verification electric energy and obtains error information
The accuracy of accuracy and electric energy performance school instrument clock jitter；
The operational reliability includes the reliability of the electric energy performance school instrument operation and the stability of various functions；
The potential risk include may cause inside the electric energy performance school instrument component defect of its function forfeiture with
And software vulnerability；
Environmental condition and the electric energy meter when detection influence amount includes the electric energy performance school instrument examinations
Voltage, the electric current indication information measured when now school instrument detects at the scene.
Further, the M quantization status items include: the electric energy performance school instrument calibration or the margin of error that period verifies
According to the qualification rate of the error information of, tested electric energy meter, the stability of tested electric energy meter error data, now school instrument clock jitter, behaviour
The reliability of work, the component defect occurred with batch electric energy performance school instrument, with batch electric energy shows school instrument at the stability of function
The software vulnerability of generation, three-phase current unbalance degree, non-equilibrium among three phase voltages, environment temperature, ambient humidity.
Further, in the electric energy performance school instrument state evaluation model, the electric energy performance school instrument calibration or period core
The weight for the error information looked into is P1；
The qualification rate weight of the error information of the tested electric energy meter is P2；
The stability weight of the tested electric energy meter error data is P3；
The existing school instrument clock jitter weight is P4；
The reliability weight of the operation is P5；
The stability weight of the function is P6；
The component defect weight that the same batch electric energy performance school instrument occurs is P7；
The software vulnerability weight that the same batch electric energy performance school instrument occurs is P8；
The three-phase current unbalance degree weight is P9；
The non-equilibrium among three phase voltages weight is P10；
The environment temperature weight is P11；
The ambient humidity weight is P12；
Wherein 0 < Pi< 1, (i=1,2 ..., 12)；
P1+P2+P3+P4+P5+P6+P7+P8+P9+P10+P11+P12=1.
Further, in the electric energy performance school instrument state evaluation model, the electric energy performance school instrument calibration or period core
The quantized value calculation formula for the error information looked into is,
Wherein, S1The quantized value of the error information of the calibration of school instrument or period verification, a are showed for the electric energy1It is less than for error
The error dot quantity of its 80% limit value, b1For margin of error strong point sum；
The quantized value calculation formula of the qualification rate of the error information of the tested electric energy meter is,
Wherein, S2For the quantized value of the qualification rate of the error information of the tested electric energy meter, a2To be detected electric energy meter error number
According to the quantity for being less than tested electric energy meter error data limitation, b2For error information sum；
The quantized value calculation formula of the stability of the tested electric energy meter error data is,
Wherein, S3For the quantized value of the stability of the tested electric energy meter error data, a3For by the standard deviation of error information
Difference is less than the quantity of tested electric energy meter error limit value 60%, b3For tested electric energy meter sum；
The quantized value of the existing school instrument clock jitter is,
S4=1, as clock jitter≤Pmin of electric energy performance school instrument；
S4=1, as the clock jitter > Pmin of electric energy performance school instrument；
The quantized value calculation formula of the reliability of the operation is,
Wherein, S5For the quantized value of the qualification rate of the error information of the tested electric energy meter, a5School instrument software is showed for electric energy
Reliability service number, b5For total number of run；The P is positive number；
The quantized value calculation formula of the stability of the function is,
Wherein, S6For the quantized value of the stability of the function, a6Each detection project of school instrument software is showed for electric energy normally to transport
Capable number, b6For total number of run detection mesh number；
The quantized value calculation formula for the component defect that the same batch electric energy performance school instrument occurs is,
Wherein, S7The quantized value for the component defect that school instrument occurs, a are showed for the same batch electric energy7For same batch electric energy
Show the electric energy performance school instrument quantity that component defect occurs for school instrument, b7School instrument is showed for same batch electric energy, and component number occurs
Amount；
The quantized value calculation formula for the software vulnerability that the same batch electric energy performance school instrument occurs is,
Wherein, S8The quantized value for the software vulnerability that school instrument occurs, a are showed for the same batch electric energy8For same batch electric energy meter
Now software vulnerability quantity, b occur for school instrument8The quantity of school instrument is showed for the batch electric energy；
The quantized value calculation formula of the three-phase current unbalance degree is,
Wherein, S9For the quantized value of the three-phase current unbalance degree, a9The three-phase current in circuit is accessed when to detect every time
Degree of unbalancedness≤Q% detection number and, b9Always to detect number；The Q is positive number；
The quantized value calculation formula of the non-equilibrium among three phase voltages is,
Wherein, S10For the quantized value of the non-equilibrium among three phase voltages, a10The three-phase electricity in circuit is accessed when to detect every time
The degree of unbalancedness of pressure≤N% detection number and b10Always to detect number；The N is positive number；
The quantized value calculation formula of the environment temperature is,
Wherein, S11For the quantized value of the environment temperature, a11It is located at the inspection in DEG C section (- T~S) for detection environment temperature
Survey number and b11Always to detect number；The T and S is positive number；
The quantized value calculation formula of the ambient humidity is,
Wherein, S12For the quantized value of the ambient humidity, a12For detection envionmental humidity≤90% detection number and,
b12Always to detect number.
Further, the appraisal result calculation formula that the electric energy performance school instrument is calculated are as follows:
F=(S1P1+S2P2+S3P3+S4P4+S5P5+S6P6+S7P7+S8P8+S9P9+S10P10+S11P11+S12P12)*100
Wherein, F is the appraisal result that the electric energy shows school instrument.
The device that a kind of pair of electric energy performance school instrument carries out state evaluation includes:
Parameter acquiring unit, described parameter acquiring unit one end are connected with state evaluation model unit；The parameter obtains
It takes unit for obtaining parameter preset, and the parameter preset is sent to the state evaluation model unit；
State evaluation model unit, state evaluation model unit one end are connected with the parameter acquiring unit, separately
One end is connected with the scoring computing unit；The state evaluation unit is used for the detection data to electric energy performance school instrument
Accuracy, operational reliability, potential risk and detection influence amount carry out index decomposition, and determining, which can be used for, shows the electric energy
M quantization status items of school instrument state evaluation；The M is positive integer；The state evaluation model unit is for determining the M
Quantify the weighted value and quantized value of status items, and the weighted value and quantized value that described M quantifies status items are sent to institute
Commentary divides computing unit；
Score computing unit, and described scoring computing unit one end is connected with the state evaluation model unit, the other end
It is connected with early warning control unit；The scoring computing unit is used to quantify according to described M the weighted value and amount of status items
The appraisal result of the electric energy performance school instrument is calculated in change value, and the appraisal result is sent to the early warning and controls list
Member；
Early warning control unit, the early warning control unit is according to the appraisal result and default threshold value of warning, to described
Electric energy shows school instrument and carries out early warning control.
Further, the state evaluation model unit includes:
Index decomposition module, index decomposition module one end are connected with the parameter acquiring unit, other end difference
It is connected with the weight determination module and quantized value computing module；The index decomposition module is used to show the electric energy
Detection data accuracy, operational reliability, potential risk and the detection influence amount of school instrument carry out index decomposition, and determination can be used for
To M quantization status items of electric energy performance school instrument state evaluation, and the M quantization status items are sent to the weight
Determining module and the quantized value computing module；
Weight determination module, described weight determination module one end are connected with the index decomposition module, the other end and institute
Commentary divides computing unit to be connected；The weight determination module is used to determine the described M weighted value for quantifying status items, and by institute
The weighted value for stating M quantization status items is sent to the scoring computing unit；
Quantized value computing module, quantized value computing module one end respectively with the parameter acquiring unit and the finger
Mark decomposing module is connected, and the other end is connected with the scoring computing unit；The quantized value computing module is used for according to institute
Parameter preset is stated, the quantized value of the M quantization status items is calculated, and the quantized value that described M quantifies status items is sent to
The scoring computing unit.
Further, when the detection data accuracy includes that the electric energy performance school instrument carries out on-site test to electric energy meter
Obtain the accuracy of error information, standard set-up shows when school instrument carries out calibration or period verification electric energy and obtains error information
The accuracy of accuracy and electric energy performance school instrument clock jitter；
The operational reliability includes the reliability of the electric energy performance school instrument operation and the stability of various functions；
The potential risk include may cause inside the electric energy performance school instrument component defect of its function forfeiture with
And software vulnerability；
Environmental condition and the electric energy meter when detection influence amount includes the electric energy performance school instrument examinations
Voltage, the electric current indication information measured when now school instrument detects at the scene.
Further, the M quantization status items include: the electric energy performance school instrument calibration or the margin of error that period verifies
According to the qualification rate of the error information of, tested electric energy meter, the stability of tested electric energy meter error data, now school instrument clock jitter, behaviour
The reliability of work, the component defect occurred with batch electric energy performance school instrument, with batch electric energy shows school instrument at the stability of function
The software vulnerability of generation, three-phase current unbalance degree, non-equilibrium among three phase voltages, environment temperature, ambient humidity.
Further, in the electric energy performance school instrument state evaluation model, the electric energy performance school instrument calibration or period core
The weight for the error information looked into is P1；
The qualification rate weight of the error information of the tested electric energy meter is P2；
The stability weight of the tested electric energy meter error data is P3；
The existing school instrument clock jitter weight is P4；
The reliability weight of the operation is P5；
The stability weight of the function is P6；
The component defect weight that the same batch electric energy performance school instrument occurs is P7；
The software vulnerability weight that the same batch electric energy performance school instrument occurs is P8；
The three-phase current unbalance degree weight is P9；
The non-equilibrium among three phase voltages weight is P10；
The environment temperature weight is P11；
The ambient humidity weight is P12；
Wherein 0 < Pi< 1, (i=1,2 ..., 12)；
P1+P2+P3+P4+P5+P6+P7+P8+P9+P10+P11+P12=1.
The invention has the benefit that technical solution of the present invention, gives a kind of pair of electric energy performance school instrument and carries out state
The method and device of evaluation, the method includes obtaining parameter preset；To the electric energy performance school instrument state evaluation in terms of into
Row index decomposes, and determines the quantization status items that can be used for showing the electric energy school instrument state evaluation；According to the parameter preset
And electric energy shows school instrument state evaluation model, determines the weighted value and quantized value of the quantization status items, and is calculated
The appraisal result of the electric energy performance school instrument；According to the appraisal result and default threshold value of warning, school is showed to the electric energy
Instrument carries out early warning；The method introduces state evaluation in electric energy performance school instrument, shows school instrument existing by state evaluation electric energy
State, in time discovery and processing electric energy performance school instrument there are the problem of, promoted electric energy meter field detection efficiency simultaneously ensure
The accuracy of electric energy meter field detection is reduced because electric energy shows school instrument inaccuracy bring economic loss.
Detailed description of the invention
By reference to the following drawings, exemplary embodiments of the present invention can be more fully understood by:
Fig. 1 is that a kind of pair of electric energy of the specific embodiment of the invention shows the flow chart that school instrument carries out method for evaluating state；
Fig. 2 is that a kind of pair of electric energy of the specific embodiment of the invention shows the structure chart that school instrument carries out state evaluation device.
Specific embodiment
Exemplary embodiments of the present invention are introduced referring now to the drawings, however, the present invention can use many different shapes
Formula is implemented, and is not limited to the embodiment described herein, and to provide these embodiments be at large and fully disclose
The present invention, and the scope of the present invention is sufficiently conveyed to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon note.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The context of related fields has consistent meaning, and is not construed as Utopian or too formal meaning.
Fig. 1 is that a kind of pair of electric energy of the specific embodiment of the invention shows the flow chart that school instrument carries out method for evaluating state.
As shown in Figure 1, which comprises
Step 110, parameter preset is obtained；
In this example, the parameter preset includes: error information, the electric energy meter of electric energy performance school instrument calibration or period verification
Now school instrument is detected to obtain the error information of electric energy meter, electric energy performance school instrument is detected to obtain the margin of error of every piece of electric energy meter
Sudden strain of a muscle does not occur according to, electric energy performance school instrument clock and time service clock/calibration clock deviation, electric energy performance school instrument software to move back, crash
Number, each detection project of electric energy performance school instrument software operate normally number, with batch electric energy performance school instrument fault statistics, same
The degree of unbalancedness of the three-phase current in access circuit, detection every time when batch electric energy shows school instrument software vulnerability statistics, every time detection
When access circuit three-phase voltage degree of unbalancedness, detection when environment temperature and detection when envionmental humidity.
Step 120, index decomposition is carried out to electric energy performance school instrument state, determines quantization status items；The electric energy is showed
Detection data accuracy, operational reliability, potential risk and the detection influence amount of school instrument carry out index decomposition, and determination can be used for
To 12 quantization status items of electric energy performance school instrument state evaluation；
Further, when the detection data accuracy includes that the electric energy performance school instrument carries out on-site test to electric energy meter
Obtain the accuracy of error information, standard set-up shows when school instrument carries out calibration or period verification electric energy and obtains error information
The accuracy of accuracy and electric energy performance school instrument clock jitter；
The operational reliability includes the reliability of the electric energy performance school instrument operation and the stability of various functions；
The potential risk include may cause inside the electric energy performance school instrument component defect of its function forfeiture with
And software vulnerability；
Environmental condition and the electric energy meter when detection influence amount includes the electric energy performance school instrument examinations
Voltage, the electric current indication information measured when now school instrument detects at the scene；
Further, 12 quantizations status items include: the electric energy performance school instrument calibration or the error that period verifies
Data, the qualification rate of the error information of tested electric energy meter, the stability of tested electric energy meter error data, now school instrument clock jitter,
The reliability of operation, the component defect occurred with batch electric energy performance school instrument, with batch electric energy shows school at the stability of function
Software vulnerability, the three-phase current unbalance degree, non-equilibrium among three phase voltages, environment temperature, ambient humidity of instrument generation.
Step 130, quantization status items weighted value is determined；School instrument state evaluation is showed according to the parameter preset and electric energy
Model determines the weighted value of 12 quantizations status items；
Further, in the electric energy performance school instrument state evaluation model, the electric energy performance school instrument calibration or period core
The weight for the error information looked into is P1；
The qualification rate weight of the error information of the tested electric energy meter is P2；
The stability weight of the tested electric energy meter error data is P3；
The existing school instrument clock jitter weight is P4；
The reliability weight of the operation is P5；
The stability weight of the function is P6；
The component defect weight that the same batch electric energy performance school instrument occurs is P7；
The software vulnerability weight that the same batch electric energy performance school instrument occurs is P8；
The three-phase current unbalance degree weight is P9；
The non-equilibrium among three phase voltages weight is P10；
The environment temperature weight is P11；
The ambient humidity weight is P12；
Wherein 0 < Pi< 1, (i=1,2 ..., 12)；
P1+P2+P3+P4+P5+P6+P7+P8+P9+P10+P11+P12=1；
In this example, each status items weighted value is as shown in table 1.
1 electric energy of table shows school instrument state evaluation item and weight
Step 140, quantization status items quantized value is calculated；
In the electric energy performance school instrument state evaluation model,
Electric energy shows the calibration of school instrument or period verification error data evaluation standard is as shown in table 2；
2 electric energy of table shows the calibration of school instrument or period verification error data evaluation standard
The electric energy performance school instrument is calibrated or the quantized value calculation formula of the error information of period verification is,
Wherein, S1The quantized value of the error information of the calibration of school instrument or period verification, a are showed for the electric energy1It is less than for error
The error dot quantity of its 80% limit value, b1For margin of error strong point sum；
The Proportion Conformance Evaluation standard of the error information of tested electric energy meter is as shown in table 3；
Table 3 is detected the Proportion Conformance Evaluation standard of the error information of electric energy meter
The quantized value calculation formula of the qualification rate of the error information of the tested electric energy meter is,
Wherein, S2For the quantized value of the qualification rate of the error information of the tested electric energy meter, a2To be detected electric energy meter error number
According to the quantity for being less than tested electric energy meter error data limitation, b2For error information sum；
The estimation of stability standard for examining electric energy meter error data is as shown in table 4；
Table 4 is detected the estimation of stability standard of electric energy meter error data
Standard deviation s (x) calculation method
S (x)=| xmax-xmin|/C, wherein C is very poor coefficient, the pass with the pendulous frequency n of every piece of electric energy meter error data
System is shown in Table 5；
The very poor coefficient of table 5
The quantized value calculation formula of the stability of the tested electric energy meter error data is,
Wherein, S3For the quantized value of the stability of the tested electric energy meter error data, a3For by the standard deviation of error information
Difference is less than the quantity of tested electric energy meter error limit value 60%, b3For tested electric energy meter sum；
It is as shown in table 6 that electric energy shows school instrument clock jitter evaluation criterion；
6 electric energy of table shows school instrument clock jitter evaluation criterion
The quantized value of the existing school instrument clock jitter is,
S4=1, as clock jitter≤Pmin of electric energy performance school instrument；
S4=1, as the clock jitter > Pmin of electric energy performance school instrument；
In this example, P=5；
The evaluation criterion of operating reliability is as shown in table 7；
The evaluation criterion of 7 operating reliability of table
The quantized value calculation formula of the reliability of the operation is,
Wherein, S5For the quantized value of the qualification rate of the error information of the tested electric energy meter, a5School instrument software is showed for electric energy
Reliability service number, b5For total number of run；The P is positive number；
It is as shown in table 8 that electric energy shows school instrument functional evaluation standard；
8 electric energy of table shows school instrument functional evaluation standard
The quantized value calculation formula of the stability of the function is,
Wherein, S6For the quantized value of the stability of the function, a6Each detection project of school instrument software is showed for electric energy normally to transport
Capable number, b6For total number of run detection mesh number；
The component flaw evaluation standard occurred with batch electric energy performance school instrument is as shown in table 9；
The component flaw evaluation standard that table 9 occurs with batch electric energy performance school instrument
The quantized value calculation formula for the component defect that the same batch electric energy performance school instrument occurs is,
Wherein, S7The quantized value for the component defect that school instrument occurs, a are showed for the same batch electric energy7For same batch electric energy
Show the electric energy performance school instrument quantity that component defect occurs for school instrument, b7School instrument is showed for same batch electric energy, and component number occurs
Amount；
The software vulnerability evaluation criterion occurred with batch electric energy performance school instrument is as shown in table 10；
The software vulnerability evaluation criterion that table 10 occurs with batch electric energy performance school instrument
The quantized value calculation formula for the software vulnerability that the same batch electric energy performance school instrument occurs is,
Wherein, S8The quantized value for the software vulnerability that school instrument occurs, a are showed for the same batch electric energy8For same batch electric energy meter
Now software vulnerability quantity, b occur for school instrument8The quantity of school instrument is showed for the batch electric energy；
Three-phase current unbalance degree evaluation criterion is as shown in table 11；
11 three-phase current unbalance degree evaluation criterion of table
The quantized value calculation formula of the three-phase current unbalance degree is,
Wherein, S9For the quantized value of the three-phase current unbalance degree, a9The three-phase current in circuit is accessed when to detect every time
Degree of unbalancedness≤Q% detection number and, b9Always to detect number；The Q is positive number；In this example, Q=2；
Non-equilibrium among three phase voltages evaluation criterion is as shown in table 12；
12 non-equilibrium among three phase voltages evaluation criterion of table
The quantized value calculation formula of the non-equilibrium among three phase voltages is,
Wherein, S10For the quantized value of the non-equilibrium among three phase voltages, a10The three-phase electricity in circuit is accessed when to detect every time
The degree of unbalancedness of pressure≤N% detection number and b10Always to detect number；The N is positive number；In this example, N=2；
Environment temperature evaluation criterion is as shown in table 13；
13 environment temperature evaluation criterion of table
The quantized value calculation formula of the environment temperature is,
Wherein, S11For the quantized value of the environment temperature, a11It is located at the inspection in DEG C section (- T~S) for detection environment temperature
Survey number and b11Always to detect number；The T and S is positive number；In this example, T=10, S=45；
Envionmental humidity evaluation criterion is as shown in table 14；
14 envionmental humidity evaluation criterion of table
The quantized value calculation formula of the ambient humidity is,
Wherein, S12For the quantized value of the ambient humidity, a12For detection envionmental humidity≤90% detection number and,
b12Always to detect number.
Step 150, according to the parameter preset, the quantization status items weighted value, the quantization status items quantized value meter
Calculate the appraisal result for obtaining the electric energy performance school instrument；The appraisal result that the electric energy performance school instrument is calculated calculates public
Formula are as follows:
F=(S1P1+S2P2+S3P3+S4P4+S5P5+S6P6+S7P7+S8P8+S9P9+S10P10+S11P11+S12P12)*100
Wherein, F is the appraisal result that the electric energy shows school instrument.
Step 160, according to the appraisal result and default threshold value of warning, early warning is carried out to electric energy performance school instrument；
Tester state judgment basis is as shown in Table 15；
15 tester state judgment basis of table
Specifically, in the present embodiment, the first threshold value of warning and the second threshold value of warning is arranged；First threshold value of warning
It is 30, second threshold value of warning is 80；
When the appraisal result of acquisition is below the first threshold value of warning, confirm that the electric energy performance school instrument has very big mistake
Difference is alarmed to relevant staff；
When the influence value of acquisition is between the first threshold value of warning and the second threshold value of warning, the electric energy performance school instrument exists
Centainly, relevant staff is fed back to by early warning to pay close attention to；
When the influence value of acquisition is on the second threshold value of warning, the electric energy performance school instrument error is smaller, more stable,
It can be used normally.
Fig. 2 is that a kind of pair of electric energy of the specific embodiment of the invention shows the structure chart that school instrument carries out state evaluation device.
As shown in Fig. 2, described device includes:
Parameter acquiring unit 1, described 1 one end of parameter acquiring unit are connected with state evaluation model unit 2；The parameter
The parameter preset is sent to the state evaluation model unit 2 for obtaining parameter preset by acquiring unit 1；
In this example, the parameter preset includes: error information, the electric energy meter of electric energy performance school instrument calibration or period verification
Now school instrument is detected to obtain the error information of electric energy meter, electric energy performance school instrument is detected to obtain the margin of error of every piece of electric energy meter
Sudden strain of a muscle does not occur according to, electric energy performance school instrument clock and time service clock/calibration clock deviation, electric energy performance school instrument software to move back, crash
Number, each detection project of electric energy performance school instrument software operate normally number, with batch electric energy performance school instrument fault statistics, same
The degree of unbalancedness of the three-phase current in access circuit, detection every time when batch electric energy shows school instrument software vulnerability statistics, every time detection
When access circuit three-phase voltage degree of unbalancedness, detection when environment temperature and detection when envionmental humidity；
State evaluation model unit 2, described 2 one end of state evaluation model unit are connected with the parameter acquiring unit 1,
The other end is connected with the scoring computing unit 3；The state evaluation unit 2 is used for the detection to electric energy performance school instrument
Data accuracy, operational reliability, potential risk and detection influence amount carry out index decomposition, and determination can be used for the electric energy
Show M quantization status items of school instrument state evaluation；The M is positive integer；The state evaluation model unit 2 is for determining institute
The weighted value and quantized value of M quantization status items are stated, and the weighted value and quantized value that quantify status items for described M are sent
To the scoring computing unit 3；Specifically, M=12 in this example；
Score computing unit 3, and described 3 one end of scoring computing unit is connected with the state evaluation model unit 2, another
End is connected with early warning control unit 4；It is described scoring computing unit 3 be used for according to described M quantization status items weighted value with
And the appraisal result of the electric energy performance school instrument is calculated in quantized value, and the appraisal result is sent to the early warning and is controlled
Unit 4；
Early warning control unit 4, the early warning control unit 4 is according to the appraisal result and default threshold value of warning, to institute
It states electric energy performance school instrument and carries out early warning control.
Further, the state evaluation model unit 2 includes:
Index decomposition module 21, described 21 one end of index decomposition module are connected with the parameter acquiring unit 1, the other end
It is connected respectively with the weight determination module 22 and quantized value computing module 23；The index decomposition module 21 is used for institute
Detection data accuracy, operational reliability, potential risk and the detection influence amount for stating electric energy performance school instrument carry out index decomposition,
It determines the M quantization status items that can be used for showing the electric energy school instrument state evaluation, and the M quantization status items is sent
To the weight determination module 22 and the quantized value computing module 23；
Weight determination module 22, described 22 one end of weight determination module is connected with the index decomposition module 21, another
End is connected with the scoring computing unit 3；The weight determination module 22 is used to determine the weight of the M quantization status items
Value, and the weighted value that described M quantifies status items is sent to the scoring computing unit 3；
Quantized value computing module 23, described 23 one end of quantized value computing module respectively with the parameter acquiring unit 1 and
The index decomposition module 21 is connected, and the other end is connected with the scoring computing unit 3；The quantized value computing module 23
For calculating the quantized value of the M quantization status items according to the parameter preset, and described M is quantified the amount of status items
Change value is sent to the scoring computing unit 3.
Further, when the detection data accuracy includes that the electric energy performance school instrument carries out on-site test to electric energy meter
Obtain the accuracy of error information, standard set-up shows when school instrument carries out calibration or period verification electric energy and obtains error information
The accuracy of accuracy and electric energy performance school instrument clock jitter；
The operational reliability includes the reliability of the electric energy performance school instrument operation and the stability of various functions；
The potential risk include may cause inside the electric energy performance school instrument component defect of its function forfeiture with
And software vulnerability；
Environmental condition and the electric energy meter when detection influence amount includes the electric energy performance school instrument examinations
Voltage, the electric current indication information measured when now school instrument detects at the scene.
Further, the M quantization status items include: the electric energy performance school instrument calibration or the margin of error that period verifies
According to the qualification rate of the error information of, tested electric energy meter, the stability of tested electric energy meter error data, now school instrument clock jitter, behaviour
The reliability of work, the component defect occurred with batch electric energy performance school instrument, with batch electric energy shows school instrument at the stability of function
The software vulnerability of generation, three-phase current unbalance degree, non-equilibrium among three phase voltages, environment temperature, ambient humidity.
Further, in the electric energy performance school instrument state evaluation model, the electric energy performance school instrument calibration or period core
The weight for the error information looked into is P1；
The qualification rate weight of the error information of the tested electric energy meter is P2；
The stability weight of the tested electric energy meter error data is P3；
The existing school instrument clock jitter weight is P4；
The reliability weight of the operation is P5；
The stability weight of the function is P6；
The component defect weight that the same batch electric energy performance school instrument occurs is P7；
The software vulnerability weight that the same batch electric energy performance school instrument occurs is P8；
The three-phase current unbalance degree weight is P9；
The non-equilibrium among three phase voltages weight is P10；
The environment temperature weight is P11；
The ambient humidity weight is P12；
Wherein 0 < Pi< 1, (i=1,2 ..., 12)；
P1+P2+P3+P4+P5+P6+P7+P8+P9+P10+P11+P12=1.
In this example, each status items weighted value is as shown in table 16.
16 electric energy of table shows school instrument state evaluation item and weight
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that the implementation of the disclosure
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Those skilled in the art will understand that can be carried out adaptively to the module in the equipment in embodiment
Change and they are arranged in one or more devices different from this embodiment.It can be the module or list in embodiment
Member or component are combined into a module or unit or component, and furthermore they can be divided into multiple submodule or subelement or
Sub-component.Other than such feature and/or at least some of process or unit exclude each other, it can use any
Combination is to all features disclosed in this specification (including adjoint claim, abstract and attached drawing) and so disclosed
All process or units of what method or apparatus are combined.Unless expressly stated otherwise, this specification is (including adjoint power
Benefit require, abstract and attached drawing) disclosed in each feature can carry out generation with an alternative feature that provides the same, equivalent, or similar purpose
It replaces.The step of being related in this specification, which numbers, is only used for distinguishing each step, and the time being not limited between each step
Or the relationship of logic, restriction unless the context clearly, otherwise the relationship between each step includes the case where various possible.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments means to be in the disclosure
Within the scope of and form different embodiments.For example, embodiment claimed in detail in the claims is one of any
Can in any combination mode come using.
The various component embodiments of the disclosure can be implemented in hardware, or to run on one or more processors
Software module realize, or be implemented in a combination thereof.The disclosure is also implemented as executing side as described herein
The some or all equipment or system program (for example, computer program and computer program product) of method.It is such
It realizes that the program of the disclosure can store on a computer-readable medium, or can have the shape of one or more signal
Formula.Such signal can be downloaded from an internet website to obtain, and perhaps be provided on the carrier signal or with any other shape
Formula provides.
The disclosure is limited it should be noted that above-described embodiment illustrates rather than the disclosure, and ability
Field technique personnel can be designed alternative embodiment without departing from the scope of the appended claims.Word "comprising" is not arranged
Except there are element or steps not listed in the claims.Word "a" or "an" located in front of the element does not exclude the presence of more
A such element.The disclosure can be by means of including the hardware of several different elements and by means of properly programmed calculating
Machine is realized.If several in these systems can be by same in the unit claim for listing dry systems
Hardware branch embodies.
The above is only the specific embodiment of the disclosure, it is noted that for the ordinary skill people of this field
Member for, do not depart from the disclosure spirit under the premise of, can make several improvements, modify and deform, these improve, modification,
It is regarded as falling within the scope of protection of this application with deformation.
Claims (11)
1. the method that a kind of pair of electric energy performance school instrument carries out state evaluation, which is characterized in that the described method includes:
Obtain parameter preset；
The detection data accuracy of electric energy performance school instrument, operational reliability, potential risk and detection influence amount are carried out
Index decomposition determines the M quantization status items that can be used for showing the electric energy school instrument state evaluation；The M is positive integer；
School instrument state evaluation model is showed according to the parameter preset and electric energy, determines the weight of the M quantization status items
Value and quantized value, and the appraisal result of the electric energy performance school instrument is calculated；
According to the appraisal result and default threshold value of warning, early warning is carried out to electric energy performance school instrument.
2. according to the method described in claim 1, it is characterized by:
The detection data accuracy includes that the electric energy performance school instrument obtains error information when carrying out on-site test to electric energy meter
Accuracy, standard set-up to electric energy performance school instrument carry out calibration or period verify when obtain error information accuracy and institute
State the accuracy of electric energy performance school instrument clock jitter；
The operational reliability includes the reliability of the electric energy performance school instrument operation and the stability of various functions；
The potential risk includes that may cause the component defect of its function forfeiture and soft inside electric energy performance school instrument
Part loophole；
Environmental condition and the electric energy performance school when detection influence amount includes the electric energy performance school instrument examinations
Voltage, the electric current indication information measured when instrument detects at the scene.
3. the method according to claim 1, wherein the M quantization status items include: electric energy performance school
The qualification rate of the error information of error information, tested electric energy meter that instrument calibration or period verify is detected electric energy meter error data
Stability, now school instrument clock jitter, the reliability of operation, the stability of function, the first device occurred with batch electric energy performance school instrument
Part defect, software vulnerability, the three-phase current unbalance degree, non-equilibrium among three phase voltages, ring occurred with batch electric energy performance school instrument
Border temperature, ambient humidity.
4. according to the method described in claim 3, it is characterized by: the electric energy performance school instrument state evaluation model in, it is described
The weight that electric energy shows the error information of the calibration of school instrument or period verification is P1；
The qualification rate weight of the error information of the tested electric energy meter is P2；
The stability weight of the tested electric energy meter error data is P3；
The existing school instrument clock jitter weight is P4；
The reliability weight of the operation is P5；
The stability weight of the function is P6；
The component defect weight that the same batch electric energy performance school instrument occurs is P7；
The software vulnerability weight that the same batch electric energy performance school instrument occurs is P8；
The three-phase current unbalance degree weight is P9；
The non-equilibrium among three phase voltages weight is P10；
The environment temperature weight is P11；
The ambient humidity weight is P12；
Wherein 0 < Pi< 1, (i=1,2 ..., 12)；
P1+P2+P3+P4+P5+P6+P7+P8+P9+P10+P11+P12=1.
5. according to the method described in claim 4, it is characterized by: the electric energy performance school instrument state evaluation model in, it is described
Electric energy performance school instrument is calibrated or the quantized value calculation formula of the error information of period verification is,
Wherein, S1The quantized value of the error information of the calibration of school instrument or period verification, a are showed for the electric energy1It is less than it for error
The error dot quantity of 80% limit value, b1For margin of error strong point sum；
The quantized value calculation formula of the qualification rate of the error information of the tested electric energy meter is,
Wherein, S2For the quantized value of the qualification rate of the error information of the tested electric energy meter, a2It is small for tested electric energy meter error data
In the quantity of tested electric energy meter error data limitation, b2For error information sum；
The quantized value calculation formula of the stability of the tested electric energy meter error data is,
Wherein, S3For the quantized value of the stability of the tested electric energy meter error data, a3It is small by the standard deviation of error information
In the quantity of tested electric energy meter error limit value 60%, b3For tested electric energy meter sum；
The quantized value of the existing school instrument clock jitter is,
S4=1, as clock jitter≤Pmin of electric energy performance school instrument；
S4=1, as the clock jitter > Pmin of electric energy performance school instrument；
The quantized value calculation formula of the reliability of the operation is,
Wherein, S5For the quantized value of the qualification rate of the error information of the tested electric energy meter, a5It is reliable that school instrument software is showed for electric energy
Number of run, b5For total number of run；The P is positive number；
The quantized value calculation formula of the stability of the function is,
Wherein, S6For the quantized value of the stability of the function, a6Show what each detection project of school instrument software operated normally for electric energy
Number, b6For total number of run detection mesh number；
The quantized value calculation formula for the component defect that the same batch electric energy performance school instrument occurs is,
Wherein, S7The quantized value for the component defect that school instrument occurs, a are showed for the same batch electric energy7For the performance of same batch electric energy
The electric energy that component defect occurs for school instrument shows school instrument quantity, b7School instrument is showed for same batch electric energy, and component number occurs；
The quantized value calculation formula for the software vulnerability that the same batch electric energy performance school instrument occurs is,
Wherein, S8The quantized value for the software vulnerability that school instrument occurs, a are showed for the same batch electric energy8School is showed for same batch electric energy
Software vulnerability quantity, b occur for instrument8The quantity of school instrument is showed for the batch electric energy；
The quantized value calculation formula of the three-phase current unbalance degree is,
Wherein, S9For the quantized value of the three-phase current unbalance degree, a9The three-phase current in circuit is accessed not when to detect every time
The degree of balance≤Q% detection number and b9Always to detect number；The Q is positive number；
The quantized value calculation formula of the non-equilibrium among three phase voltages is,
Wherein, S10For the quantized value of the non-equilibrium among three phase voltages, a10The three-phase voltage in circuit is accessed when to detect every time
Degree of unbalancedness≤N% detection number and b10Always to detect number；The N is positive number；
The quantized value calculation formula of the environment temperature is,
Wherein, S11For the quantized value of the environment temperature, a11It is located at the detection number in DEG C section (- T~S) for detection environment temperature
With b11Always to detect number；The T and S is positive number；
The quantized value calculation formula of the ambient humidity is,
Wherein, S12For the quantized value of the ambient humidity, a12For detection envionmental humidity≤90% detection number and b12For
Total detection number.
6. method according to claim 5, which is characterized in that the appraisal result that the electric energy performance school instrument is calculated
Calculation formula are as follows:
F=(S1P1+S2P2+S3P3+S4P4+S5P5+S6P6+S7P7+S8P8+S9P9+S10P10+S11P11+S12P12)*100
Wherein, F is the appraisal result that the electric energy shows school instrument.
7. the device that a kind of pair of electric energy performance school instrument carries out state evaluation, which is characterized in that described device includes:
Parameter acquiring unit, described parameter acquiring unit one end are connected with state evaluation model unit；The parameter obtains single
The parameter preset is sent to the state evaluation model unit for obtaining parameter preset by member；
State evaluation model unit, state evaluation model unit one end are connected with the parameter acquiring unit, the other end
It is connected with the scoring computing unit；It is accurate to the detection data of electric energy performance school instrument that the state evaluation unit is used for
Property, operational reliability, potential risk and detection influence amount carry out index decomposition, determine can be used for the electric energy show school instrument
M quantization status items of state evaluation；The M is positive integer；The state evaluation model unit is for determining the M quantization
The weighted value and quantized value of status items, and the weighted value and quantized value that described M quantifies status items are sent to institute's commentary
Divide computing unit；
Score computing unit, and described scoring computing unit one end is connected with the state evaluation model unit, the other end in advance
Alert control unit is connected；The scoring computing unit is used to quantify according to described M the weighted value and quantized value of status items
The appraisal result of the electric energy performance school instrument is calculated, and the appraisal result is sent to the early warning control unit；
Early warning control unit, the early warning control unit is according to the appraisal result and default threshold value of warning, to the electric energy
It shows school instrument and carries out early warning control.
8. device according to claim 7, which is characterized in that the state evaluation model unit includes:
Index decomposition module, index decomposition module one end are connected with the parameter acquiring unit, the other end respectively with institute
It states weight determination module and quantized value computing module is connected；The index decomposition module is used to show school instrument to the electric energy
Detection data accuracy, operational reliability, potential risk and detection influence amount carry out index decomposition, determination can be used for institute
M quantization status items of electric energy performance school instrument state evaluation are stated, and the M quantization status items are sent to the weight and are determined
Module and the quantized value computing module；
Weight determination module, described weight determination module one end are connected with the index decomposition module, the other end and institute's commentary
Computing unit is divided to be connected；The weight determination module is used to determine the described M weighted value for quantifying status items, and by the M
The weighted value of a quantization status items is sent to the scoring computing unit；
Quantized value computing module, quantized value computing module one end are divided with the parameter acquiring unit and the index respectively
Solution module is connected, and the other end is connected with the scoring computing unit；The quantized value computing module is used for according to described pre-
Setting parameter, calculate it is described M quantization status items quantized value, and by described M quantify status items quantized value be sent to described in
Score computing unit.
9. device according to claim 7, which is characterized in that the detection data accuracy includes electric energy performance school
Obtained when instrument carries out on-site test to electric energy meter the accuracy of error information, standard set-up to electric energy performance school instrument carry out calibration or
The accuracy of error information and the accuracy of electric energy performance school instrument clock jitter are obtained when period verifies；
The operational reliability includes the reliability of the electric energy performance school instrument operation and the stability of various functions；
The potential risk includes that may cause the component defect of its function forfeiture and soft inside electric energy performance school instrument
Part loophole；
Environmental condition and the electric energy performance school when detection influence amount includes the electric energy performance school instrument examinations
Voltage, the electric current indication information measured when instrument detects at the scene.
10. device according to claim 7, which is characterized in that the M quantization status items include: the electric energy performance
Qualification rate, the tested electric energy meter error data of the error information of error information, tested electric energy meter that the calibration of school instrument or period verify
Stability, now school instrument clock jitter, the reliability of operation, the stability of function, with batch electric energy performance school instrument occur member
Device defects, with batch electric energy performance school instrument occur software vulnerability, three-phase current unbalance degree, non-equilibrium among three phase voltages,
Environment temperature, ambient humidity.
11. device according to claim 10, it is characterised in that: in the electric energy performance school instrument state evaluation model, institute
The weight for stating the error information of electric energy performance school instrument calibration or period verification is P1；
The qualification rate weight of the error information of the tested electric energy meter is P2；
The stability weight of the tested electric energy meter error data is P3；
The existing school instrument clock jitter weight is P4；
The reliability weight of the operation is P5；
The stability weight of the function is P6；
The component defect weight that the same batch electric energy performance school instrument occurs is P7；
The software vulnerability weight that the same batch electric energy performance school instrument occurs is P8；
The three-phase current unbalance degree weight is P9；
The non-equilibrium among three phase voltages weight is P10；
The environment temperature weight is P11；
The ambient humidity weight is P12；
Wherein 0 < Pi< 1, (i=1,2 ..., 12)；
P1+P2+P3+P4+P5+P6+P7+P8+P9+P10+P11+P12=1.
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