CN106918798A - Electrical energy meter fault method of testing - Google Patents
Electrical energy meter fault method of testing Download PDFInfo
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- CN106918798A CN106918798A CN201710208796.3A CN201710208796A CN106918798A CN 106918798 A CN106918798 A CN 106918798A CN 201710208796 A CN201710208796 A CN 201710208796A CN 106918798 A CN106918798 A CN 106918798A
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The invention provides a kind of electrical energy meter fault exciting test method, the method includes carrying out electric energy meter to be measured environmental testing, break-make electrical testing and communication test, and when electric energy meter to be measured, one or more tests are unsatisfactory for corresponding Eligibility requirements, then judge that electric energy meter to be measured is unqualified.The running environment and state of the method simulation electric energy meter work that the present invention is provided, further to be screened to electric energy meter, for there is no abnormal electric energy meter to install and use again in the filler test, therefore, the method greatly reduces the possibility that blank screen, communication failure or measuring error phenomenon occurs in electric energy meter, electric energy meter incipient fault is excluded, the economic loss of user or power supply enterprise is reduced, and improve the fairness doctrine in power market transaction.
Description
Technical field
The present invention relates to electric energy meter technical field of measurement and test, in particular to a kind of electrical energy meter fault method of testing.
Background technology
At present, electric energy meter has been widely used in power supply enterprise and user, and the quality of electric energy meter is directly connected to metering
The fairness doctrine in the accuracy and power market transaction of electric energy.At present, run with security and stability to ensure electric energy meter, electric energy meter
Checked and accepted by full performance test sampling examination before the supply of material and the full inspection after the supply of material before the mounting.
But, above-mentioned experiment detection environment is single, it is impossible to comprehensively excite due to design, software, manufacturing process etc.
Still there is blank screen, communication failure or measures inaccurate in use in electric energy meter incipient fault caused by reason, electric energy meter
Etc. failure, economic loss is caused to user or power supply enterprise.
The content of the invention
In consideration of it, the present invention proposes a kind of electrical energy meter fault method of testing, the method is aimed to solve the problem that at present can not be in advance
It was found that electric energy meter incipient fault causes field failure rate problem high.
On one side, the present invention proposes a kind of electrical energy meter fault method of testing, and the method comprises the following steps：To be measured
Electric energy meter carries out environmental testing, break-make electrical testing and communication test, also, one or more are tested not when the electric energy meter to be measured
Meet corresponding Eligibility requirements, then judge that the electric energy meter to be measured is unqualified；Wherein, the environmental testing is, by electric energy to be measured
When the environmental condition stabilization of table is to the first preset requirement, according to the first predeterminated voltage and the first predetermined current to the electric energy to be measured
Table is energized to the first Preset Time, and detects whether the electric energy meter to be measured meets the first Eligibility requirements；The break-make electrical testing
For when the environmental condition of the electric energy meter to be measured is stabilized into the second preset requirement, according to default step mode to described to be measured
Electric energy meter power-on records the electric energy metrical value of the electric energy meter to be measured to first total Preset Time or first total preset times
And detect whether the electric energy meter to be measured meets the second Eligibility requirements；The communication test is, by the ring of the electric energy meter to be measured
When border conditional stability is to three preset requirements, according to the second predeterminated voltage and the second predetermined current to the electric energy meter power-on to be measured
And second total Preset Time or second total preset times are communicated to the electric energy meter to be measured according to default communication mode, and
Detect whether the electric energy meter to be measured meets the 3rd Eligibility requirements.
Further, in above-mentioned electrical energy meter fault method of testing, environmental testing is specifically included：Temperature test, it is described to be measured
During the ambient temperature-stable of electric energy meter to the first preset temperature, side is treated to described according to the 3rd predeterminated voltage and the 3rd predetermined current
Electric energy meter power-on detects whether the electric energy meter to be measured meets the 4th Eligibility requirements to the second Preset Time；Humidity measurement, institute
It is pre- according to the 4th when stating environment temperature and ambient humidity stabilization to second preset temperature and the first default humidity of electric energy meter to be measured
If voltage and the 4th predetermined current treat side electric energy meter to the 3rd Preset Time to described, and detect whether the electric energy meter to be measured is full
The 5th Eligibility requirements of foot；Stress_responsive genes, when the environmental condition stabilization of the electric energy meter to be measured is to default harmonic environment, according to the 6th
Predeterminated voltage and the 6th predetermined current are energized to the 4th Preset Time, and detect whether the electric energy meter to be measured meets six directions lattice
It is required that；The default harmonic environment refer to electric energy meter to be measured running environment in be alternately present the first pulse signal and the second pulse
Signal, first pulse signal continues the first preset time period, and second pulse signal continues the second preset time period.
Further, in above-mentioned electrical energy meter fault method of testing, first pulse signal and second pulse signal
It is respectively according to the square wave and peaked wave of IR46 standards；Or, first pulse signal and second pulse signal are respectively
According to the peaked wave and square wave of IR46 standards.
Further, in above-mentioned electrical energy meter fault method of testing, the default step mode is according to the 5th predeterminated voltage
The electric energy meter to be measured is powered with the 5th predetermined current, is powered off after continuous the 3rd preset time period that is powered, continued to the
Four preset time periods, and repeat the above steps until first total preset times or first total Preset Time.
Further, in above-mentioned electrical energy meter fault method of testing, the default communication mode is default according to described second
Voltage and second predetermined current are powered to the electric energy meter to be measured, continuously read the electric energy meter data to be measured to
Stop reading after five preset time periods, continue to the 6th preset time period, and repeat the above steps until to reach the 3rd total pre-
If number of times or the 3rd total Preset Time.
Further, in above-mentioned electrical energy meter fault method of testing, second predeterminated voltage and second predetermined current
It is the rated voltage and rated current or maximum voltage and maximum current of the electric energy meter to be measured.
Further, in above-mentioned electrical energy meter fault method of testing, the 3rd Eligibility requirements refer to the electric energy meter to be measured
There is not the phenomenon of blank screen or deadlock.
Further, in above-mentioned electrical energy meter fault method of testing, the 4th Eligibility requirements refer to the electric energy meter to be measured
The electric energy metering error value for blank screen phenomenon or deadlock phenomenon and the electric energy meter to be measured do not occur meets the first criterion of acceptability.
Further, in above-mentioned electrical energy meter fault method of testing, second Eligibility requirements, the 5th Eligibility requirements and
6th Eligibility requirements refer to that the electric energy metering error value of the electric energy meter to be measured meets respective criterion of acceptability.
Further, in above-mentioned electrical energy meter fault method of testing, the determination step is further included：When the electricity to be measured
When energy table meets all corresponding Eligibility requirements, then judge that the electric energy meter to be measured is qualified.
The various running environment for coming to simulate electric energy meter work and operation that the method that the present invention is provided is installed in electric energy meter
State, further to be screened to electric energy meter, for not having abnormal electric energy meter to install again in the filler test
Use, therefore, the method greatly reduces the possibility that blank screen, communication failure or measuring error phenomenon occurs in electric energy meter, row
Except electric energy meter incipient fault, the economic loss of user or power supply enterprise is reduced, and improve the public affairs in power market transaction
Plain is then.In addition, the method is simple to operate, it is easy to accomplish.
Brief description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear understanding.Accompanying drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And in whole accompanying drawing, identical part is denoted by the same reference numerals.In the accompanying drawings：
Fig. 1 is the schematic flow sheet of electrical energy meter fault method of testing in the embodiment of the present invention；
Fig. 2 is the schematic flow sheet of environmental testing in electrical energy meter fault method of testing in the embodiment of the present invention.
Specific embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in accompanying drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
Limited.Conversely, there is provided these embodiments are able to be best understood from the disclosure, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.It should be noted that in the case where not conflicting, embodiment in the present invention and
Feature in embodiment can be mutually combined.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Referring to Fig. 1, Fig. 1 is the schematic flow sheet of electrical energy meter fault method of testing in the embodiment of the present invention.As illustrated, should
Method includes：Environmental testing S1, break-make electrical testing S2 and communication test S3 are carried out to electric energy meter to be measured, also, judges electricity to be measured
Can table Qualification S4：When the electric energy meter to be measured, one or more tests are unsatisfactory for corresponding Eligibility requirements, then judge described
Electric energy meter to be measured is unqualified.Specifically, electric energy meter to be measured one or multinomial test in three groups of tests is unsatisfactory for respective qualified
It is required that, then judge that the electric energy meter to be measured is unqualified.The judgement also includes that it is right to be satisfied by electric energy meter to be measured carries out above-mentioned test
During the Eligibility requirements answered, then judge that electric energy meter to be measured is qualified.Certified products can just put into onsite application, and defective work is then eliminated, no
Certified products can return producer or carry out other treatment.
Wherein environmental testing S1 is：During by the environmental condition stabilization of electric energy meter to be measured to the first preset requirement, according to first
Predeterminated voltage and the first predetermined current detect whether electric energy meter to be measured meets to electric energy meter power-on to be measured to the first Preset Time
First Eligibility requirements.
Specifically, the first preset requirement of electric energy meter test environment conditions to be measured is set first, then adjusts electric energy to be measured
The environment such as the temperature and humidity in laboratory regulation button where table is first pre- by other regulative mode set environment conditions
If it is required that, it is default according to first when the stabilization such as temperature and humidity in the test environment of electric energy meter to be measured is to the first preset requirement
Voltage and the first predetermined current power off test completion to electric energy meter power-on to be measured after being energized to the first Preset Time, detect to be measured
Whether electric energy meter meets the first Eligibility requirements.Wherein, the first preset requirement can be the definite value of multiple environmental factor such as temperature
Or certain scope, when the first preset requirement is definite value, the test environment conditions stabilization of electric energy meter to be measured is preset to first will
Seeking Truth refers to that the test environment of electric energy meter to be measured can fluctuate in the certain limit of the first preset requirement definite value, specific value range
Can determine according to actual needs.Ring when first preset requirement of electric energy meter test environment to be measured can work according to electric energy meter
Border determines that the first predeterminated voltage, the first predetermined current and the first Preset Time can then need and electric energy meter according to actual test
Working condition determine that the present embodiment do not do any restriction to it.Whether electric energy meter to be measured is qualified can be by electric energy meter to be measured
Electric energy error value or observe the running status of electric energy meter to be measured and judge whether to reach the first lattice requirement of conjunction, wherein first is qualified
It is required that for example the phenomenon of blank screen, the present embodiment can not can be occurred for the display screen of electric energy meter to be measured according to actual conditions determination
Any restriction is not done to it.
Break-make electrical testing S2 is, when the environmental condition of electric energy meter to be measured is stabilized into the second preset requirement, according to default logical
Electrically to electric energy meter power-on to be measured to first total Preset Time or first total preset times, the electricity of electric energy meter to be measured is recorded
Energy variable simultaneously detects whether electric energy meter to be measured meets the second Eligibility requirements.
Specifically, the second preset requirement of environmental condition in power on/off testing procedure is set according to actual conditions, it is preferable that
Temperature is 70 DEG C in setting the second preset requirement.According to the default step mode of actual conditions setting test, it is preferable that default logical
Refer to electrically that electric energy meter to be measured is powered according to the 5th predeterminated voltage of electric energy meter to be measured and the 5th predetermined current, be powered
Stop being powered after to the 3rd preset time period, continue to the 4th preset time period, repeat above-mentioned power on/off step until the
One total Preset Time or the stopping after power on/off number of times reaches first total preset times, and whether detect electric energy meter to be measured
Meet the second Eligibility requirements.Wherein, the second Eligibility requirements refer to that the electric energy metering error value of electric energy meter to be measured meets the conjunction of itself
Case marker is accurate, and otherwise, electric energy meter to be measured is unqualified.Preferably, the second Eligibility requirements can be by the laboratory of ambient temperature and moisture
It is interior electric energy meter to be measured and standard electric energy meter are powered according to rated voltage and rated current, the electricity of electric energy meter to be measured is checked after stopping
Energy error in dipping value is that the difference of the standard energy value of the electric energy metrical value and standard electric energy meter of electric energy meter to be measured judges.If electric
Energy error in dipping value reaches the criterion of acceptability of the test, then electric energy meter to be measured is qualified in judging the testing procedure, otherwise then judges
It is unqualified.The criterion of acceptability of the test can determine according to national standard, company standard or actual conditions, right in the present embodiment
It does not do any restriction.Wherein, default step mode can be by setting the power settings for driving electric energy meter to be measured to run, can be with
The output voltage and output current of power supply are set as square wave and low-voltage or low current are zero.It is 3rd preset time period, the 4th pre-
If time period, first total Preset Time and first total preset times can determine that the present embodiment is to it according to actual conditions
Any restriction is not done.It is the typical fault state of further simulation electric energy meter real work, the 5th predeterminated voltage and the 5th preset
Electric current can be respectively the rated voltage and rated current of electric energy meter to be measured.Preferably, the 3rd preset time period is pre- more than the 4th
If the time period, the 3rd preset time period and the 4th preset time period can be 10ms~1min.It is further preferred that the 3rd is default
Time period can be 60s, and the 4th preset time period is 5s, and first total preset times are 2000 times.
Communication test S3 is, default according to second when the environmental condition of electric energy meter to be measured is stabilized into three preset requirements
It is total that voltage and the second predetermined current are communicated to second to electric energy meter power-on to be measured and according to default communication mode to electric energy meter to be measured
Preset Time or second total preset times, and detect whether electric energy meter to be measured meets the 3rd Eligibility requirements.
Specifically, the 3rd preset requirement of electric energy meter test environment conditions to be measured is set first, then adjusts electric energy to be measured
The environment such as the temperature and humidity in laboratory regulation button is adjusted to the 3rd preset requirement where table, treats the test environment of side electric energy meter
During middle stabilization to three preset requirement, according to the second predeterminated voltage and the second predetermined current is to the electric energy meter power-on to be measured and presses
After the second total Preset Time is communicated to electric energy meter to be measured or second total preset times are communicated to according to default communication mode
Qualified detection is carried out to electric energy meter to be measured.Wherein, default communication mode can be according to the second predeterminated voltage and the second default electricity
Stream is powered to electric energy meter to be measured, stops reading after continuously reading electric energy meter data to be measured to the 5th preset time period, continues
To the 6th preset time period, repeat the above steps until reaching second total Preset Time or reading and stopping the number of times for reading
Reach second total preset times.The communication mode for reading data in above-mentioned default communication mode every time can be electric power with identical
Line carrier communication or radio communication one of which, naturally it is also possible to be i.e. first receive data of other reading manners such as compartment
According to power line carrier communication mode is used, communication is used for the second time, subsequently repeat above-mentioned reading manner, the present embodiment
In do not do any restriction to it.Further to simulate the typical fault state of electric energy meter to be measured, the second predeterminated voltage and second pre-
If electric current can be the rated voltage and rated current of electric energy meter to be measured, or, the second predeterminated voltage and the second predetermined current
Can also be 1.15 times and maximum current of the rated voltage of electric energy meter to be measured.Further to simulate the typical case of electric energy meter to be measured
Malfunction, it is preferable that temperature can be 70 DEG C in the 3rd preset requirement of environmental condition.In addition, the step is the 3rd qualified
It is required that referring to the phenomenon that blank screen or deadlock does not occur in test process in electric energy meter to be measured, electric energy meter otherwise i.e. to be measured was being tested
Occur blank screen in journey or deadlock then judges that the electric energy meter to be measured is unqualified.This technology personnel it is generally known that, electric energy meter to be measured
Maximum current is electric energy meter maximum allowed current Imax to be measured.
It should be noted that above three test environment test S1, break-make electrical testing S2 and communication test S3 are without successively
Sequentially.
The various running environment and fortune of coming to simulate electric energy meter work that the method that the present embodiment is provided is installed in electric energy meter
Row state, further to be screened to electric energy meter, for not having abnormal electric energy meter to pacify again in the filler test
Dress is used, therefore, the method greatly reduces the possibility that blank screen, communication failure or measuring error phenomenon occurs in electric energy meter,
Electric energy meter incipient fault is excluded, reduce the economic loss of user or power supply enterprise, and improve power market transaction
The fairness doctrine.In addition, the method is simple to operate, it is easy to accomplish.
Referring to Fig. 2, Fig. 2 is the schematic flow sheet of environmental testing in electrical energy meter fault method of testing in the embodiment of the present invention.
As illustrated, in the above-described embodiments, environmental testing S1 specifically includes as follows：
Temperature test S11:During the ambient temperature-stable of electric energy meter to be measured to the first preset temperature, according to the 3rd predeterminated voltage
Side electric energy meter power-on to the second Preset Time is treated with the 3rd predetermined current, and it is qualified to detect whether electric energy meter to be measured meets the 4th
It is required that.
Specifically, the first preset temperature of electric energy meter test environment to be measured is set first, then adjusts electric energy meter institute to be measured
During temperature to the first preset temperature in the temperature in laboratory, the test environment of electric energy meter to be measured, according to the 3rd predeterminated voltage
With the 3rd predetermined current to electric energy meter power-on to be measured, test completion is powered off after being energized to Preset Time, detect that electric energy meter to be measured is
The 4th Eligibility requirements of no satisfaction.Wherein, the first preset temperature can be definite value or scope, when the first preset temperature is definite value,
The test environment stabilization of electric energy meter to be measured to the first preset temperature can be the test environment of electric energy meter to be measured in the first default temperature
Fluctuation in the certain limit of degree, specific value range can according to actual needs judge that such as the first preset temperature is 70 DEG C, real
Stablize to the first default temperature equivalent to the test environment of electric energy meter to be measured when testing the environment temperature of room between 69 DEG C~71 DEG C
Degree.Wherein, other factors are defaulted as constant value in the environment of electric energy meter to be measured, such as the ambient humidity requirement of electric energy meter to be measured is sky
The usual humidity of gas, the humidity without adjusting laboratory.First preset temperature of electric energy meter test environment to be measured can be according to electricity
Environment when energy table works determines that the present embodiment does not do any restriction to it.Preferably, in order to simulate the typical fault of electric energy meter
State, the first preset temperature is more than 70 DEG C.It is further preferred that for the typical fault of further accurate simulation electric energy meter
State, the 3rd predeterminated voltage and the 3rd predetermined current can be 1.2 times and maximum current of electric energy meter rated voltage to be measured, second
Preset Time can be 96h.The whether qualified display screen that can observe electric energy meter to be measured of electric energy meter to be measured whether blank screen or
Whether electric energy meter to be measured there is deadlock phenomenon and detects the electric energy metering error value of electric energy meter to be measured whether to meet first qualified
Standard, if electric energy meter to be measured the phenomenon of blank screen or deadlock does not occur and detects the electricity of electric energy meter to be measured in test process
Energy error in dipping value meets the first criterion of acceptability, then judge that electric energy meter to be measured is qualified；Otherwise it is unqualified.Wherein, electric energy to be measured
The determination method of the electric energy metering error value of table is identical with break-make electrical testing S2, and the present embodiment is not repeated it, however, its
First criterion of acceptability of middle electric energy metering error value is not necessarily identical with the criterion of acceptability in break-make electrical testing S2, can be according to state
Family's standard, company standard or actual conditions determination, any restriction is not done to it in the present embodiment.
Humidity measurement S12, environment temperature and the ambient humidity stabilization of electric energy meter to be measured is pre- to the second preset temperature and first
If during humidity, treating side electric energy meter power-on to the 3rd Preset Time according to the 4th predeterminated voltage and the 4th predetermined current, and detect
Whether electric energy meter to be measured meets the 5th Eligibility requirements.
Specifically, second preset temperature and the first default humidity of electric energy meter test environment to be measured are set first, are then adjusted
The temperature and humidity for saving laboratory where electric energy meter to be measured is stablized to the second preset temperature and the first default humidity respectively, according to
4th predeterminated voltage and the 4th predetermined current electric energy meter to be measured is tested and judged whether it is qualified.Wherein, the second default temperature
Degree and the first default humidity can be definite value or certain scope, when the second preset temperature or the first default humidity are definite value,
Test environment stabilization to the test environment that the preset requirement refers to electric energy meter to be measured of electric energy meter to be measured can be in the certain of definite value
In the range of fluctuate, specific value range can judge according to actual needs.For the typical case of further accurate simulation electric energy meter
Malfunction, it is preferable that the 4th predeterminated voltage and the 4th predetermined current can be the rated voltage and specified electricity of electric energy meter to be measured
Stream, the second preset temperature and the first default humidity can be respectively 85 DEG C and 85%.3rd Preset Time can be according to actual survey
Examination needs and the working condition of electric energy meter determines, the present embodiment does not do any restriction to it.Preferably, the 3rd Preset Time can be with
It is 500h.It can be electric energy meter to be measured by the electric energy metering error value judgement of electric energy meter to be measured that whether electric energy meter to be measured is qualified
Electric energy metering error value judges the second criterion of acceptability of satisfaction, and then electric energy meter to be measured is qualified, otherwise as unqualified.Wherein, electricity to be measured
The determination method of the electric energy metering error value of energy table is identical with break-make electrical testing S2, and the present embodiment is not repeated it, however,
Wherein in the test criterion of acceptability of electric energy metering error value not necessarily with the first criterion of acceptability or temperature in break-make electrical testing S2
The criterion of acceptability tested in sub- S11 is identical, can be determined according to national standard, company standard or actual conditions, the present embodiment
In do not do any restriction to it.
Stress_responsive genes S13：When the environmental condition stabilization of electric energy meter to be measured is to default harmonic environment, according to the 6th predeterminated voltage
With the 6th predetermined current to electric energy meter power-on to be measured to the 4th Preset Time, and detect whether electric energy meter to be measured meets six directions lattice
It is required that；The default harmonic environment refer to electric energy meter to be measured running environment in be alternately present the first pulse signal and the second pulse
Signal, first pulse signal continues the first preset time period, and second pulse signal continues the second preset time period.
Specifically, stablize to above-mentioned default harmonic environment equivalent to electric energy meter power-on in the environmental condition of electric energy meter to be measured
6th predeterminated voltage and the 6th predetermined current superposition the first pulse signal or the second pulse signal.That is, being first according to
First superposed signal of one pulse signal and the 6th predeterminated voltage and the 6th predetermined current continues to electric energy meter power-on to be measured
Stop being powered after one Preset Time, then, according to the second of the second pulse signal and the 6th predeterminated voltage and the 6th predetermined current
Superposed signal continues to the second Preset Time to stop to electric energy meter power-on to be measured, and the first superposed signal and second is superimposed new number
Alternate energisation, detects whether electric energy meter to be measured meets the 6th Eligibility requirements.Wherein, the first pulse signal and second pulse is believed
Number different pulse signals, the present embodiment can be selected not to do any restriction to it according to different working condition.For further
The typical fault state of accurate simulation electric energy meter, it is preferable that the first pulse signal and second pulse signal can be according to
According to the square wave or peaked wave of IR46 standards, it is further preferred that the first pulse signal and second pulse signal can be respectively
It is the square wave and peaked wave of foundation IR46 standards, or, the first pulse signal and second pulse signal can be respectively
According to the peaked wave and square wave of IR46 standards.Wherein, the first superposed signal and the second superposed signal can also be according to IR46 marks
Accurate square wave or peaked wave.Whether electric energy meter to be measured is qualified can to judge to treat by the electric energy metering error value of electric energy meter to be measured
The electric energy metering error value for surveying electric energy meter judges to meet the criterion of acceptability of the test that then electric energy meter to be measured is qualified, is otherwise and does not conform to
Lattice.Wherein, the determination method of the electric energy metering error value of electric energy meter to be measured is identical with break-make electrical testing S2, and the present embodiment is to it
Do not repeat, however, wherein in the test criterion of acceptability of electric energy metering error value not necessarily with break-make electrical testing S2 in
Criterion of acceptability in one criterion of acceptability, temperature test S11 or humidity measurement S12 is identical, can be according to national standard, company standard
Or actual conditions determine, do not do any restriction in the present embodiment to it.Certainly, in the first superposed signal and the second superposed signal
Parameter or second superposition new number and the first superposed signal parameter can respectively according to following Tables 1 and 2 selection, table 1
It is specific as follows with table 2：
The square wave parameter selection menu of table 1
| Harmonic wave quantity | Current amplitude | Current phase angle | Voltage amplitude | Voltage phase angle |
| 1 | 100% | 0° | 100% | 0° |
| 3 | 30% | 0° | 3.8% | 180° |
| 5 | 18% | 0° | 2.4% | 180° |
| 7 | 14% | 0° | 1.7% | 180° |
| 11 | 9% | 0° | 1.0% | 180° |
| 13 | 5% | 0° | 0.8% | 180° |
The peaked wave parameter selection menu of table 2
| Harmonic wave quantity | Current amplitude | Current phase angle | Voltage amplitude | Voltage phase angle |
| 1 | 100% | 0° | 100% | 0° |
| 3 | 30% | 180° | 3.8% | 0° |
| 5 | 18% | 0° | 2.4% | 180° |
| 7 | 14% | 180° | 1.7% | 0° |
| 11 | 9% | 180° | 1.0% | 0° |
| 13 | 5% | 0° | 0.8% | 180° |
It should be noted that said temperature test S11, humidity measurement S12 harmonics test S13 do not have sequencing.
In sum, the various operations for coming to simulate electric energy meter work that the method that the present embodiment is provided is installed in electric energy meter
Environment and running status, further to be screened to electric energy meter, for there is no abnormal electric energy meter in the filler test
Installed and used again, therefore, the method greatly reduces electric energy meter and blank screen, communication failure or measuring error phenomenon occurs
Possibility, excludes electric energy meter incipient fault, reduces the economic loss of user or power supply enterprise, and improves electricity market friendship
The fairness doctrine in easily.In addition, the method is simple to operate, it is easy to accomplish.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention
God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of electrical energy meter fault method of testing, it is characterised in that including：Environmental testing, power on/off are carried out to electric energy meter to be measured
Test and communication test, also, when the electric energy meter to be measured, one or more tests are unsatisfactory for corresponding Eligibility requirements, then judge
The electric energy meter to be measured is unqualified；Wherein,
The environmental testing is, during by the environmental condition stabilization of electric energy meter to be measured to the first preset requirement, according to the first default electricity
Press with the first predetermined current to the electric energy meter power-on to be measured to the first Preset Time, and detect whether the electric energy meter to be measured is full
The first Eligibility requirements of foot；
The break-make electrical testing is, when the environmental condition of the electric energy meter to be measured is stabilized into the second preset requirement, according to default
Step mode records described to be measured to the electric energy meter power-on to be measured to first total Preset Time or first total preset times
The electric energy metrical value of electric energy meter simultaneously detects whether the electric energy meter to be measured meets the second Eligibility requirements；
The communication test is, pre- according to second when the environmental condition of the electric energy meter to be measured is stabilized into three preset requirements
If voltage and the second predetermined current are to the electric energy meter power-on to be measured and logical to the electric energy meter to be measured according to default communication mode
Letter to second total Preset Time or second total preset times, and detect the electric energy meter to be measured whether meet the 3rd it is qualified will
Ask.
2. electrical energy meter fault method of testing according to claim 1, it is characterised in that the environmental testing is specifically included：
Temperature test, during ambient temperature-stable to first preset temperature of the electric energy meter to be measured, according to the 3rd predeterminated voltage and
3rd predetermined current treats side electric energy meter power-on to the second Preset Time to described, and detects whether the electric energy meter to be measured meets
Four Eligibility requirements；
Humidity measurement, environment temperature and the ambient humidity stabilization of the electric energy meter to be measured is default wet to the second preset temperature and first
When spending, side electric energy meter power-on to the 3rd Preset Time is treated to described according to the 4th predeterminated voltage and the 4th predetermined current, and detect
Whether the electric energy meter to be measured meets the 5th Eligibility requirements；
Stress_responsive genes, when the environmental condition stabilization of the electric energy meter to be measured is to default harmonic environment, according to the 6th predeterminated voltage and
6th predetermined current, to the 4th Preset Time, and detects whether the electric energy meter to be measured meets to the electric energy meter power-on to be measured
Six Eligibility requirements；The default harmonic environment refer to electric energy meter to be measured running environment in be alternately present the first pulse signal and
Two pulse signals, first pulse signal continues the first preset time period, second pulse signal continue second it is default when
Between section.
3. electrical energy meter fault method of testing according to claim 2, it is characterised in that
First pulse signal and second pulse signal are respectively according to the square wave and peaked wave of IR46 standards；Or,
First pulse signal and second pulse signal are respectively according to the peaked wave and square wave of IR46 standards.
4. electrical energy meter fault method of testing according to claim 1, it is characterised in that the default step mode be according to
5th predeterminated voltage and the 5th predetermined current are powered to the electric energy meter to be measured, break after continuous the 3rd preset time period that is powered
Electricity, continues to the 4th preset time period, and repeats the above steps until first total preset times or first total Preset Time.
5. electrical energy meter fault method of testing according to claim 1, it is characterised in that the default communication mode be according to
Second predeterminated voltage and second predetermined current are powered to the electric energy meter to be measured, continuously read the electricity to be measured
Can stop reading after table data to the 5th preset time period, continue to the 6th preset time period, and repeat the above steps until reaching
To the 3rd total preset times or the 3rd total Preset Time.
6. electrical energy meter fault method of testing according to claim 1, it is characterised in that second predeterminated voltage and described
Second predetermined current is the rated voltage and rated current or maximum voltage and maximum current of the electric energy meter to be measured.
7. electrical energy meter fault method of testing according to claim 1, it is characterised in that the 3rd Eligibility requirements refer to institute
State the phenomenon that blank screen or deadlock does not occur in electric energy meter to be measured.
8. the method for electrical energy meter fault according to claim 2 test, it is characterised in that the 4th Eligibility requirements refer to
The electric energy meter to be measured blank screen or deadlock phenomenon does not occur and the electric energy metering error value of the electric energy meter to be measured meets the first conjunction
Case marker is accurate.
9. electrical energy meter fault method of testing according to claim 2, it is characterised in that second Eligibility requirements, described
5th Eligibility requirements and the 6th Eligibility requirements refer to that the electric energy metering error value of the electric energy meter to be measured meets respective conjunction
Case marker is accurate.
10. the electrical energy meter fault method of testing according to any one in claim 1 to 9, it is characterised in that described to sentence
Determine step to further include：
When the electric energy meter to be measured meets all corresponding Eligibility requirements, then judge that the electric energy meter to be measured is qualified.
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