CN114114130B - Electric energy meter testing method, system and device based on simulation site actual load - Google Patents
Electric energy meter testing method, system and device based on simulation site actual load Download PDFInfo
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Abstract
The invention provides an electric energy meter testing method, system and device based on simulated field actual load, and relates to the field of electric energy meter testing. The operation control of the back-end load is realized by controlling the on-off of each socket in the actual load module, so that the on-site actual load is simulated, the on-site user state is simulated, the reliability test of the electric energy meter is realized, the reliability of the electric energy meter in actual use is improved, the probability of abnormality of the electric energy meter in actual use is reduced, the problem of the meter caused by abnormal operation of the meter is avoided, and thus, the huge economic loss caused by users and power supply companies is further avoided, and the user experience is improved.
Description
Technical Field
The application relates to the field of electric energy meter testing, in particular to an electric energy meter testing method, system and device based on simulation field actual load.
Background
At present, the cost calculation between a power supply company and resident users is almost always carried out by a single-phase electronic electric energy meter. In the field use process of residents, because the electric energy meter is insufficient in testing the actual state, abnormal operation of the electric energy meter can occur in the actual environment, so that the electric energy meter is problematic, and huge economic losses are brought to users and power supply companies.
Therefore, a method for testing the electric energy meter is needed, and reliability of the electric energy meter is tested, so that the probability of abnormality of the electric energy meter in actual use is reduced.
Disclosure of Invention
In order to solve the problems in the prior art, the embodiment of the invention provides a method, a system and a device for testing an electric energy meter based on simulating the actual load of a site, which are used for realizing the reliability test of the electric energy meter by simulating the user state of the site, increasing the reliability of the electric energy meter in actual use, reducing the probability of abnormal operation of the electric energy meter in actual use, and avoiding the problem of the meter caused by abnormal operation of the meter, thereby further avoiding great economic loss caused by users and power supply companies and improving the user experience; the technical scheme is as follows:
In a first aspect, an electric energy meter testing method based on simulating an actual load on site is provided, where the method is applied to an electric energy meter including at least S, N electric energy meters, a standard meter P and a standard meter E, where the electric energy meters include electric energy meters with carrier modules configured and electric energy meters without carrier modules configured, and the method includes:
Acquiring an electric energy consumption value of the standard table P;
according to the data of the standard meter, calculating to obtain the consumption electric energy value of the test electric energy meter;
according to the data of the standard meter and the electric energy consumption value of the standard meter P, calculating the theoretical electric energy consumption value of the nth test electric energy meter by using the following formula:
Tn＝Tp+Tbase+X1*Tnavg+X2*Thavg；
Wherein, T n is the theoretical power consumption value of the test power meter with the number n, T p is the power consumption value of the standard meter p, T base is the power consumption value of the standard meter, X 1 is the number of test power meters without carrier modules after the nth meter, T navg is the power consumption value of the test power meter without carrier modules, X 2 is the number of test power meters with carrier modules after the nth meter, and T havg is the power consumption value of the test power meter with carrier modules;
And judging whether the nth test electric energy meter is reliable or not according to the theoretical electric energy consumption value of the nth test electric energy meter and the actual meter reading value of the nth test electric energy meter.
Optionally, the obtaining the power consumption value of the standard table P includes:
According to the electric energy consumption value of the standard meter, calculating the electric energy consumption of the standard meter E by using the following formula, and taking the electric energy consumption value as the electric energy consumption value of the standard meter;
Tbase＝Tp-Te；
wherein, T base is the power consumption value of the standard meter, T p is the power consumption value of the standard meter P, and T e is the power consumption value of the standard meter E.
Optionally, the carrier module is configured by the test ammeter, and the calculating to obtain the electric energy consumption value of the test electric energy meter configuring the carrier module according to the data of the standard meter includes:
Calculating to obtain single block consumption power (consumption power value of the test power meter) of the test power meter of the configuration carrier module according to data of the standard meter, total number of the test power meters and consumption power value of the standard meter by using the following formula;
Wherein, T havg is the power consumption value of the test electric energy meter with the carrier module, N is the total number of the test electric energy meters, T s is the data of the standard meter S, T p is the data of the standard meter P, T base is the power consumption value of the standard meter, T is the time from the beginning of the system operation to the recording time, the unit is hours, and X1 is the number of the test electric energy meters without the carrier module.
Optionally, the carrier module is not configured by the test ammeter, and calculating the electric energy consumption value of the test electric energy meter of the carrier module is not configured according to the data of the standard meter includes:
The power of the module, the power consumption of the carrier module and the system operation time are utilized to calculate and obtain the single block consumed electric energy of the test electric energy meter without the carrier module according to the following formula,
Tnavg＝Thavg-0.0005*t；
Wherein, T navg is the single block of the test electric energy meter without carrier module, T havg is the single block of the test electric energy meter with carrier module, T is the time from the beginning of the system operation to the recording time, the unit is hours, and 0.0005 is the power of the carrier module, the unit is kilowatt.
Optionally, the method further comprises:
And calculating the daily consumption electric energy value of each test electric energy meter.
Optionally, the calculating the daily consumption power value of each test power meter includes:
Calculating the daily consumption electric energy value of the standard meter;
calculating the daily consumption electric energy value of each test electric energy meter by using the following formula according to the daily consumption electric energy value of the standard meter and the daily freezing data of the test electric energy meter;
Wherein, T dhpc is the single daily power consumption of the test electric energy meter with the carrier module, N is the total number of the test electric energy meters, T ds is the combined active electric energy in the standard meter S daily freezing record, T dp is the combined active electric energy in the standard meter P daily freezing record, T dbase is the daily power consumption value of the standard meter, and X1 is the number of the test electric energy meters without the carrier module;
Tdnpc＝Tdhpc-0.012；
wherein, T dnpc is the single daily power consumption of the test electric energy meter without the carrier module, and T dhpc is the single daily power consumption of the test electric energy meter with the carrier module.
Optionally, the calculating the daily consumption power value of the standard meter includes
Calculating the daily consumption electric energy of the standard meter by using the following formula according to the daily freezing data of the standard meter,
Tdbase＝Tdp-Tde；
Wherein, T dbase is the daily consumption electric energy of the standard meter, T dp is the combined active electric energy in the daily freezing record of the standard meter P, and T de is the combined active electric energy in the daily freezing record of the standard meter E.
In a second aspect, an electric energy meter test system based on simulating an actual load on site is provided, the system at least includes S, N test electric energy meters, a standard meter P and a standard meter E, S, N test electric energy meters, a standard meter P and a standard meter E are respectively connected to the load through sockets, the test electric energy meters include test electric energy meters configured with carrier modules, and electric energy meters not configured with carrier modules, the system further includes:
the data acquisition device is used for acquiring data of S, N test electric energy meters, a standard meter P and a standard meter E of the standard meter;
the load control device is used for controlling the on-off of each socket in the actual load module and realizing the operation control of the rear-end load so as to simulate the actual load on site;
Calculation analysis means for performing the following operations:
Acquiring an electric energy consumption value of the standard table P;
according to the data of the standard meter, calculating to obtain the consumption electric energy value of the test electric energy meter;
according to the data of the standard meter and the electric energy consumption value of the standard meter P, calculating the theoretical electric energy consumption value of the nth test electric energy meter by using the following formula:
Tn＝Tp+Tbase+X1*Tnavg+X2*Thavg；
Wherein, T n is the theoretical power consumption value of the test power meter with the number n, T p is the power consumption value of the standard meter p, T base is the power consumption value of the standard meter, X 1 is the number of test power meters without carrier modules after the nth meter, T navg is the power consumption value of the test power meter without carrier modules, X 2 is the number of test power meters with carrier modules after the nth meter, and T havg is the power consumption value of the test power meter with carrier modules;
Judging whether the nth test electric energy meter is reliable or not according to the theoretical electric energy consumption value of the nth test electric energy meter and the actual meter reading value of the nth test electric energy meter;
And the output prompting device is used for outputting a test result indicating whether the nth block of the test electric energy meter is reliable or not.
Optionally, the obtaining the power consumption value of the standard table P includes:
According to the electric energy consumption value of the standard meter, calculating the electric energy consumption of the standard meter E by using the following formula, and taking the electric energy consumption value as the electric energy consumption value of the standard meter;
Tbase＝Tp-Te；
wherein, T base is the power consumption value of the standard meter, T p is the power consumption value of the standard meter P, and T e is the power consumption value of the standard meter E.
Optionally, the carrier module is configured by the test ammeter, and the calculating to obtain the electric energy consumption value of the test electric energy meter configuring the carrier module according to the data of the standard meter includes:
Calculating to obtain single-block consumption power of the test electric energy meter configured with the carrier module according to the data of the standard meter, the total number of the test electric energy meters and the consumption power value of the standard meter by using the following formula;
Wherein, T havg is the power consumption value of the test electric energy meter with the carrier module, N is the total number of the test electric energy meters, T s is the data of the standard meter S, T p is the data of the standard meter P, T base is the power consumption value of the standard meter, T is the time from the beginning of the system operation to the recording time, the unit is hours, and X1 is the number of the test electric energy meters without the carrier module.
Optionally, the carrier module is not configured by the test ammeter, and calculating the electric energy consumption value of the test electric energy meter of the carrier module is not configured according to the data of the standard meter includes:
The power of the module, the power consumption of the carrier module and the system operation time are utilized to calculate and obtain the single block consumed electric energy of the test electric energy meter without the carrier module according to the following formula,
Tnavg＝Thavg-0.0005*t；
Wherein, T navg is the single block of the test electric energy meter without carrier module, T havg is the single block of the test electric energy meter with carrier module, T is the time from the beginning of the system operation to the recording time, the unit is hours, and 0.0005 is the power of the carrier module, the unit is kilowatt.
Optionally, the method further comprises:
And calculating the daily consumption electric energy value of each test electric energy meter.
Optionally, the calculating the daily consumption power value of each test power meter includes:
Calculating the daily consumption electric energy value of the standard meter;
calculating the daily consumption electric energy value of each test electric energy meter by using the following formula according to the daily consumption electric energy value of the standard meter and the daily freezing data of the test electric energy meter;
Wherein, T dhpc is the single daily power consumption of the test electric energy meter with the carrier module, N is the total number of the test electric energy meters, T ds is the combined active electric energy in the standard meter S daily freezing record, T dp is the combined active electric energy in the standard meter P daily freezing record, T dbase is the daily power consumption value of the standard meter, and X1 is the number of the test electric energy meters without the carrier module;
Tdnpc＝Tdhpc-0.012；
wherein, T dnpc is the single daily power consumption of the test electric energy meter without the carrier module, and T dhpc is the single daily power consumption of the test electric energy meter with the carrier module.
Optionally, the calculating the daily consumption power value of the standard meter includes
Calculating the daily consumption electric energy of the standard meter by using the following formula according to the daily freezing data of the standard meter,
Tdbase＝Tdp-Tde；
Wherein, T dbase is the daily consumption electric energy of the standard meter, T dp is the combined active electric energy in the daily freezing record of the standard meter P, and T de is the combined active electric energy in the daily freezing record of the standard meter E.
In a third aspect, there is provided an electric energy meter testing device based on simulating an actual load on site, the electric energy meter testing device comprising:
The acquisition module is used for acquiring the electric energy consumption value of the standard meter P;
the first calculation module is used for calculating and obtaining the consumption electric energy value of the test electric energy meter according to the data of the standard meter;
the second calculation module is configured to calculate, according to the data of the standard meter and the power consumption value of the standard meter P, a theoretical power consumption value of the nth test power meter according to the following formula:
Tn＝Tp+Tbase+X1*Tnavg+X2*Thavg；
Wherein, T n is the theoretical power consumption value of the test power meter with the number n, T p is the power consumption value of the standard meter p, T base is the power consumption value of the standard meter, X 1 is the number of test power meters without carrier modules after the nth meter, T navg is the power consumption value of the test power meter without carrier modules, X 2 is the number of test power meters with carrier modules after the nth meter, and T havg is the power consumption value of the test power meter with carrier modules;
And the judging/outputting module is used for judging and outputting whether the nth test electric energy meter is reliable according to the theoretical electric energy consumption value of the nth test electric energy meter and the actual meter reading value of the nth test electric energy meter.
Optionally, the obtaining the power consumption value of the standard table P includes:
According to the electric energy consumption value of the standard meter, calculating the electric energy consumption of the standard meter E by using the following formula, and taking the electric energy consumption value as the electric energy consumption value of the standard meter;
Tbase＝Tp-Te；
wherein, T base is the power consumption value of the standard meter, T p is the power consumption value of the standard meter P, and T e is the power consumption value of the standard meter E.
Optionally, the carrier module is configured by the test ammeter, and the calculating to obtain the electric energy consumption value of the test electric energy meter configuring the carrier module according to the data of the standard meter includes:
Calculating to obtain single-block consumption power of the test electric energy meter configured with the carrier module according to the data of the standard meter, the total number of the test electric energy meters and the consumption power value of the standard meter by using the following formula;
Wherein, T havg is the power consumption value of the test electric energy meter with the carrier module, N is the total number of the test electric energy meters, T s is the data of the standard meter S, T p is the data of the standard meter P, T base is the power consumption value of the standard meter, T is the time from the beginning of the system operation to the recording time, the unit is hours, and X1 is the number of the test electric energy meters without the carrier module.
Optionally, the carrier module is not configured by the test ammeter, and calculating the electric energy consumption value of the test electric energy meter of the carrier module is not configured according to the data of the standard meter includes:
The power of the module, the power consumption of the carrier module and the system operation time are utilized to calculate and obtain the single block consumed electric energy of the test electric energy meter without the carrier module according to the following formula,
Tnavg＝Thavg-0.0005*t；
Wherein, T navg is the single block of the test electric energy meter without carrier module, T havg is the single block of the test electric energy meter with carrier module, T is the time from the beginning of the system operation to the recording time, the unit is hours, and 0.0005 is the power of the carrier module, the unit is kilowatt.
Optionally, the method further comprises:
And calculating the daily consumption electric energy value of each test electric energy meter.
Optionally, the calculating the daily consumption power value of each test power meter includes:
Calculating the daily consumption electric energy value of the standard meter;
calculating the daily consumption electric energy value of each test electric energy meter by using the following formula according to the daily consumption electric energy value of the standard meter and the daily freezing data of the test electric energy meter;
Wherein, T dhpc is the single daily power consumption of the test electric energy meter with the carrier module, N is the total number of the test electric energy meters, T ds is the combined active electric energy in the standard meter S daily freezing record, T dp is the combined active electric energy in the standard meter P daily freezing record, T dbase is the daily power consumption value of the standard meter, and X1 is the number of the test electric energy meters without the carrier module;
Tdnpc＝Tdhpc-0.012；
wherein, T dnpc is the single daily power consumption of the test electric energy meter without the carrier module, and T dhpc is the single daily power consumption of the test electric energy meter with the carrier module.
Optionally, the calculating the daily consumption power value of the standard meter includes
Calculating the daily consumption electric energy of the standard meter by using the following formula according to the daily freezing data of the standard meter,
Tdbase＝Tdp-Tde；
Wherein, T dbase is the daily consumption electric energy of the standard meter, T dp is the combined active electric energy in the daily freezing record of the standard meter P, and T de is the combined active electric energy in the daily freezing record of the standard meter E.
In a fourth aspect, there is provided a power meter testing device based on simulating an actual load on site, the power meter testing device comprising a processor and a memory, the memory for storing a set of program code, the processor invoking the program code stored in the memory for performing the method of any of claims 1 to 7.
The technical scheme provided by the embodiment of the invention has the beneficial effects that:
1. the operation control of the back-end load is realized by controlling the on-off of each socket in the actual load module, so that the on-site actual load is simulated, the on-site user state is simulated, the reliability test of the electric energy meter is realized, the reliability of the electric energy meter in actual use is improved, the probability of abnormality of the electric energy meter in actual use is reduced, the problem of the meter caused by abnormal operation of the meter is avoided, and thus, the huge economic loss caused by users and power supply companies is further avoided, and the user experience is improved;
2. The theoretical electric energy consumption value of the test electric energy meter is calculated through data of S, N test electric energy meters, data of a standard meter P and data of a standard meter E, so that the reliability of a test result is further improved, and the reliability of the electric energy meter in actual use is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of an electric energy meter testing method based on simulated field actual load provided by the embodiment of the invention;
Fig. 2 is a schematic diagram of an electric energy meter test system based on simulating an actual load on site according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, a first embodiment provides a method for testing an electric energy meter based on simulating an actual load on site, where the method is applied to an electric energy meter at least including S, N test electric energy meters, a standard meter P and a standard meter E, the test electric energy meters include a test electric energy meter configured with a carrier module, and an electric energy meter not configured with a carrier module, and the method includes:
101. acquiring the electric energy consumption value of the standard table P;
102. according to the data of the standard meter, calculating to obtain the consumed electric energy value of the test electric energy meter;
103. According to the data of the standard meter and the electric energy consumption value of the standard meter P, calculating the theoretical electric energy consumption value of the nth test electric energy meter by using the following formula:
Tn＝Tp+Tbase+X1*Tnavg+X2*Thavg；
Wherein, T n is the theoretical power consumption value of the test power meter with the number n, T p is the power consumption value of the standard meter p, T base is the power consumption value of the standard meter, X 1 is the number of test power meters without carrier modules after the nth meter, T navg is the power consumption value of the test power meter without carrier modules, X 2 is the number of test power meters with carrier modules after the nth meter, and T havg is the power consumption value of the test power meter with carrier modules;
104. and judging whether the nth test electric energy meter is reliable or not according to the theoretical electric energy consumption value of the nth test electric energy meter and the actual meter reading value of the nth test electric energy meter.
Optionally, step 101 of obtaining the power consumption value of the standard table P includes:
according to the electric energy consumption value of the standard meter, calculating the electric energy consumption of the standard meter E by using the following formula, and taking the electric energy consumption value as the electric energy consumption value of the standard meter;
Tbase＝Tp-Te；
Wherein, T base is the power consumption value of the standard meter, T p is the power consumption value of the standard meter P, and T e is the power consumption value of the standard meter E.
Optionally, the carrier module is configured by the test ammeter, and step 102 of calculating the power consumption value of the test power meter configuring the carrier module according to the data of the standard meter includes:
Calculating to obtain single-block consumption power of the test electric energy meter configured with the carrier module according to the data of the standard meter, the total number of the test electric energy meters and the consumption power value of the standard meter by using the following formula;
Wherein, T havg is the power consumption value of the test electric energy meter with the carrier module, N is the total number of the test electric energy meters, T s is the data of the standard meter S, T p is the data of the standard meter P, T base is the power consumption value of the standard meter, T is the time from the beginning of the system operation to the recording time, the unit is hours, and X1 is the number of the test electric energy meters without the carrier module.
Optionally, the carrier module is not configured by the test ammeter, and step 102 of calculating the power consumption value of the test power meter of the carrier module not configured according to the data of the standard meter includes:
The power of the module, the power consumption of the carrier module and the system operation time are utilized to calculate and obtain the single block consumed electric energy of the test electric energy meter without the carrier module according to the following formula,
Tnavg＝Thavg-0.0005*t；
Wherein, T navg is the single block of the test electric energy meter without carrier module, T havg is the single block of the test electric energy meter with carrier module, T is the time from the beginning of the system operation to the recording time, the unit is hours, and 0.0005 is the power of the carrier module, the unit is kilowatt.
Optionally, the method further comprises:
105. and calculating the daily consumption electric energy value of each test electric energy meter.
Optionally, step 105 of calculating the daily consumption power value of each test power meter includes:
calculating the daily consumption electric energy value of the standard meter;
calculating the daily consumption electric energy value of each test electric energy meter by using the following formula according to the daily consumption electric energy value of the standard meter and the daily freezing data of the test electric energy meter;
Wherein, T dhpc is the single daily power consumption of the test electric energy meter with the carrier module, N is the total number of the test electric energy meters, T ds is the combined active electric energy in the standard meter S daily freezing record, T dp is the combined active electric energy in the standard meter P daily freezing record, T dbase is the daily power consumption value of the standard meter, and X1 is the number of the test electric energy meters without the carrier module;
Tdnpc＝Tdhpc-0.012；
wherein, T dnpc is the single daily power consumption of the test electric energy meter without the carrier module, and T dhpc is the single daily power consumption of the test electric energy meter with the carrier module.
Optionally, calculating the daily consumption power value of the standard meter includes
The daily consumption electric energy of the standard meter is calculated by using the following formula according to the daily freezing data of the standard meter,
Tdbase＝Tdp-Tde；
Wherein, T dbase is the daily consumption electric energy of the standard meter, T dp is the combined active electric energy in the daily freezing record of the standard meter P, and T de is the combined active electric energy in the daily freezing record of the standard meter E.
Further, for the convenience of understanding the technical solution described in the embodiments of the present invention by those skilled in the art, the above method may be further expressed as:
Test preparation: the upper computer reads the communication address of the experiment table, and sequentially allocates the communication address again, then performs timing operation on the experiment table to ensure time accuracy, then performs variable and accuracy assessment, copies all freezing occurrence time of the experiment table back after the assessment, configures freezing time of the standard table according to the time, then configures all reporting modes of all the experiment tables to be actively reported, performs zero clearing operation on the standard table and the experiment table, and completes test preparation.
The first step: the scheme is configured, and the alternative scheme comprises full load test, fixed time power down test, random on-off certain load test, fixed on-off certain load test, random on-off random load test and the like, and necessary parameters of the scheme are configured simultaneously after the scheme is selected, the running time is selected, and the scheme test is started.
And a second step of: the upper computer performs on-off control on the socket at the load end within a specified time according to the setting, so that different states of the load end are realized, and a test environment is created for the experiment table.
And a third step of: reading relevant freezing data of all test tables and standard tables by the upper computer one minute after the corresponding freezing time, analyzing the freezing data of the test tables, and verifying the reliability of various freezing functions of the tables;
Fourth step: the upper computer monitors the report data of the experiment table in real time, actively collects the report and the upper 1 record of the event corresponding to the standard table when the report data of the table is received, analyzes the event data of the experiment table, and verifies the reliability of various event functions of the table;
Fifth step: the upper computer starts reading daily freezing data of the standard meter ten minutes after the morning, calculates daily power consumption of the electric energy meter and provides the daily power consumption to the output module;
The data analysis mentioned in the third and fourth steps will be described in detail here, and the analysis steps are as follows:
Step 1: calculating theoretical values of variables and electric energy according to data of the standard meters and the number of the experiment meters, wherein the variables adopt a calculation method of average values, and the electric energy calculates a reference value of each experiment meter by using the following method;
Firstly, the data of the standard meter is collected, the consumed electric energy to the standard meter E is calculated according to the following formula and is used as the consumed electric energy of the standard meter,
Tbase＝Tp-Te
Wherein, T base is the consumption electric energy of the standard meter, T p is the data of the standard meter P, and T e is the data of the standard meter E;
Then, the data of the standard meter, the total number of the experiment meter and the consumed electric energy of the standard meter are collected, the single consumed electric energy of the experiment meter with the carrier module is calculated according to the following formula,
Wherein, T havg is the single block of the experiment table with carrier modules, N is the total number of the experiment tables, T s is the data of the standard table S, T p is the data of the standard table P, T base is the power consumption of the standard table, T is the time from the beginning of the system to the recording time, the unit is hours, and X1 is the number of the experiment tables without carrier modules.
Secondly, calculating to obtain the single-block consumed electric energy of the experiment table without the carrier module according to the following formula by using the power of the module, the power consumption of the carrier module and the system operation time,
Tnavg＝Thavg-0.0005*t
Wherein, T navg is the power consumption of the experiment table single block without carrier module, T havg is the power consumption of the experiment table single block with carrier module, T is the time from the beginning of the system operation to the recording time, the unit is hours, and 0.0005 is the power of the carrier module, the unit is kilowatt.
And finally, calculating the theoretical value of each experiment table according to the consumed electric energy of the standard table and the consumed electric energy of the single experiment table by using the following formula:
Tn＝Tp+Tbase+X1*Tnavg+X2*Thavg
wherein, T n is the data of the electric energy meter with the number n, T p is the data of the standard meter p, T base is the electric energy consumed by the standard meter, X 1 is the number of the test electric energy meters without carrier modules after the nth meter, T navg is the electric energy consumption value of the test electric energy meters without carrier modules, X 2 is the number of the test electric energy meters with carrier modules after the nth meter, and T havg is the electric energy consumption value of the test electric energy meters with carrier modules;
Step 2: and (3) carrying out error calculation on all the acquired data and calculated theoretical values of the experiment table, judging that the error is normal when the error is less than 1%, and carrying out abnormality prompt on an output window in time to remind a tester and a research staff of carrying out abnormality analysis processing even if the error is smaller than 1%, taking the error from the beginning of the experiment to the current as a sample, calculating the root mean square error as an error offset reference of the electric energy meter, and outputting the error to the tester.
Referring to fig. 2, a second embodiment provides an electric energy meter test system based on simulating an actual load on site, where the system at least includes S, N test electric energy meters, a standard meter P and a standard meter E, S, N test electric energy meters, the standard meter P and the standard meter E are respectively connected to the load through sockets, the test electric energy meters include test electric energy meters configured with carrier modules, and electric energy meters not configured with carrier modules, and the system further includes:
The data acquisition device is used for acquiring data of S, N test electric energy meters, a standard meter P and a standard meter E;
the load control device is used for controlling the on-off of each socket in the actual load module and realizing the operation control of the rear-end load so as to simulate the actual load on site;
Calculation analysis means for performing the following operations:
acquiring the electric energy consumption value of the standard table P;
according to the data of the standard meter, calculating to obtain the consumed electric energy value of the test electric energy meter;
According to the data of the standard meter and the electric energy consumption value of the standard meter P, calculating the theoretical electric energy consumption value of the nth test electric energy meter by using the following formula:
Tn＝Tp+Tbase+X1*Tnavg+X2*Thavg；
Wherein, T n is the theoretical power consumption value of the test power meter with the number n, T p is the power consumption value of the standard meter p, T base is the power consumption value of the standard meter, X 1 is the number of test power meters without carrier modules after the nth meter, T navg is the power consumption value of the test power meter without carrier modules, X 2 is the number of test power meters with carrier modules after the nth meter, and T havg is the power consumption value of the test power meter with carrier modules;
Judging whether the nth test electric energy meter is reliable or not according to the theoretical electric energy consumption value of the nth test electric energy meter and the actual meter reading value of the nth test electric energy meter;
and the output prompting device is used for outputting test results indicating Su Di n blocks of test electric energy meters to determine whether the electric energy meters are reliable.
Optionally, obtaining the power consumption value of the standard table P includes:
according to the electric energy consumption value of the standard meter, calculating the electric energy consumption of the standard meter E by using the following formula, and taking the electric energy consumption value as the electric energy consumption value of the standard meter;
Tbase＝Tp-Te；
Wherein, T base is the power consumption value of the standard meter, T p is the power consumption value of the standard meter P, and T e is the power consumption value of the standard meter E.
Optionally, the test ammeter configures the carrier module, and calculating the electric energy consumption value of the test electric energy meter configuring the carrier module according to the data of the standard meter includes:
calculating to obtain single block consumption power of the test electric energy meter of the configuration carrier module according to the data of the standard meter, the total number of the test electric energy meters and the consumption power value of the standard meter;
Wherein, T havg is the power consumption value of the test electric energy meter with the carrier module, N is the total number of the test electric energy meters, T s is the data of the standard meter S, T p is the data of the standard meter P, T base is the power consumption value of the standard meter, T is the time from the beginning of the system operation to the recording time, the unit is hours, and X1 is the number of the test electric energy meters without the carrier module.
Optionally, the testing the electric meter and not configuring the carrier module, according to the data of the standard meter, calculating the electric energy consumption value of the testing electric energy meter not configuring the carrier module includes:
The power of the module, the power consumption of the carrier module and the system operation time are utilized to calculate and obtain the single block consumed electric energy of the test electric energy meter without the carrier module according to the following formula,
Tnavg＝Thavg-0.0005*t；
Wherein, T navg is the single block of the test electric energy meter without carrier module, T havg is the single block of the test electric energy meter with carrier module, T is the time from the beginning of the system operation to the recording time, the unit is hours, and 0.0005 is the power of the carrier module, the unit is kilowatt.
Optionally, the method further comprises:
And calculating the daily consumption electric energy value of each test electric energy meter.
Optionally, calculating the daily consumption power value of each test power meter includes:
calculating the daily consumption electric energy value of the standard meter;
calculating the daily consumption electric energy value of each test electric energy meter by using the following formula according to the daily consumption electric energy value of the standard meter and the daily freezing data of the test electric energy meter;
Wherein, T dhpc is the single daily power consumption of the test electric energy meter with the carrier module, N is the total number of the test electric energy meters, T ds is the combined active electric energy in the standard meter S daily freezing record, T dp is the combined active electric energy in the standard meter P daily freezing record, T dbase is the daily power consumption value of the standard meter, and X1 is the number of the test electric energy meters without the carrier module;
Tdnpc＝Tdhpc-0.012；
wherein, T dnpc is the single daily power consumption of the test electric energy meter without the carrier module, and T dhpc is the single daily power consumption of the test electric energy meter with the carrier module.
Optionally, calculating the daily consumption power value of the standard meter includes
The daily consumption electric energy of the standard meter is calculated by using the following formula according to the daily freezing data of the standard meter,
Tdbase＝Tdp-Tde；
Wherein, T dbase is the daily consumption electric energy of the standard meter, T dp is the combined active electric energy in the daily freezing record of the standard meter P, and T de is the combined active electric energy in the daily freezing record of the standard meter E.
The system may be further represented as:
the upper computer module is used for overall control of the system, preparation before experiments, data acquisition, data analysis and result output, and is used as a control core of the whole device;
The electric energy meter test module is used for building a test environment, the module adopts commercial power to supply power, firstly, the module is used for carrying out data monitoring on equipment behind the meter through a standard meter S and is used as a standard data source, then N experimental meters are sequentially connected in series as a test target, finally, two standard meters, namely a standard meter P and a standard meter E, are connected in series, the standard meter E monitors an actual load module behind the standard meter P, the standard meter P monitors the standard meter E and the actual load module, and therefore errors brought by the standard meter can be removed through calculation;
The actual load module is used for connecting and controlling the running state of an actual load, the module connects a plurality of sockets with controllable on-off to the output end of the standard meter E in parallel, the sockets are connected with the actual load commonly used on site, such as a television, a refrigerator, an air conditioner, a microwave oven and the like, and the on-off state of the sockets is controlled through the upper computer module, so that the use condition of a site user is simulated;
further, the upper computer module includes:
The scheme customizing unit is used for customizing different experimental modes in the experimental process by an experimenter, so that the actual running environment of a field user can be more comprehensively simulated when the actual load module works in different states;
The real load control unit is used for controlling the on-off of the socket of the real load module, controlling the socket to switch the on-off state at a proper moment according to the required on-off mode according to the setting of a customized scheme, and thus realizing the running state switching of the load;
the data acquisition unit is used for carrying out data interaction with the standard table and the experimental table, and a communication channel is established with each table by adopting a 485 and carrier communication mode, so that a good interaction environment is established for acquiring data, and smooth acquisition of the data is ensured;
The calculation analysis unit is used for analyzing the data and judging the experimental table data, analyzing and judging the experimental table data by utilizing the data analysis algorithm provided by the application, and obtaining a conclusion and pushing the conclusion to the subsequent unit;
And an output prompting unit: the method is used for providing detailed conclusion output for experimenters, and mainly displays the results of the calculation and analysis unit, so that the analysis results and the summary conclusion of the experimenters are used as references.
An embodiment III provides an electric energy meter testing device based on simulation site actual load, and the electric energy meter testing device includes:
the acquisition module is used for acquiring the electric energy consumption value of the standard table P;
the first calculation module is used for calculating and obtaining the consumption electric energy value of the test electric energy meter according to the data of the standard meter;
The second calculation module is configured to calculate, according to the data of the standard meter and the power consumption value of the standard meter P, a theoretical power consumption value of the nth test power meter according to the following formula:
Tn＝Tp+Tbase+X1*Tnavg+X2*Thavg；
Wherein, T n is the theoretical power consumption value of the test power meter with the number n, T p is the power consumption value of the standard meter p, T base is the power consumption value of the standard meter, X 1 is the number of test power meters without carrier modules after the nth meter, T navg is the power consumption value of the test power meter without carrier modules, X 2 is the number of test power meters with carrier modules after the nth meter, and T havg is the power consumption value of the test power meter with carrier modules;
and the judging/outputting module is used for judging and outputting whether the nth test electric energy meter is reliable according to the theoretical electric energy consumption value of the nth test electric energy meter and the actual meter reading value of the nth test electric energy meter.
Optionally, obtaining the power consumption value of the standard table P includes:
according to the electric energy consumption value of the standard meter, calculating the electric energy consumption of the standard meter E by using the following formula, and taking the electric energy consumption value as the electric energy consumption value of the standard meter;
Tbase＝Tp-Te；
Wherein, T base is the power consumption value of the standard meter, T p is the power consumption value of the standard meter P, and T e is the power consumption value of the standard meter E.
Optionally, the test ammeter configures the carrier module, and calculating the electric energy consumption value of the test electric energy meter configuring the carrier module according to the data of the standard meter includes:
Calculating to obtain single-block consumption power of the test electric energy meter configured with the carrier module according to the data of the standard meter, the total number of the test electric energy meters and the consumption power value of the standard meter by using the following formula;
Wherein, T havg is the power consumption value of the test electric energy meter with the carrier module, N is the total number of the test electric energy meters, T s is the data of the standard meter S, T p is the data of the standard meter P, T base is the power consumption value of the standard meter, T is the time from the beginning of the system operation to the recording time, the unit is hours, and X1 is the number of the test electric energy meters without the carrier module.
Optionally, the carrier module is not configured by the test ammeter, and the calculating to obtain the consumed electric energy value of the test electric energy meter according to the data of the standard meter includes:
The power of the module, the power consumption of the carrier module and the system operation time are utilized to calculate and obtain the single block consumed electric energy of the test electric energy meter without the carrier module according to the following formula,
Tnavg＝Thavg-0.0005*t；
Wherein, T navg is the single block of the test electric energy meter without carrier module, T havg is the single block of the test electric energy meter with carrier module, T is the time from the beginning of the system operation to the recording time, the unit is hours, and 0.0005 is the power of the carrier module, the unit is kilowatt.
Optionally, the method further comprises:
And calculating the daily consumption electric energy value of each test electric energy meter.
Optionally, calculating the daily consumption power value of each test power meter includes:
calculating the daily consumption electric energy value of the standard meter;
calculating the daily consumption electric energy value of each test electric energy meter by using the following formula according to the daily consumption electric energy value of the standard meter and the daily freezing data of the test electric energy meter;
Wherein, T dhpc is the single daily power consumption of the test electric energy meter with the carrier module, N is the total number of the test electric energy meters, T ds is the combined active electric energy in the standard meter S daily freezing record, T dp is the combined active electric energy in the standard meter P daily freezing record, T dbase is the daily power consumption value of the standard meter, and X1 is the number of the test electric energy meters without the carrier module;
Tdnpc＝Tdhpc-0.012；
wherein, T dnpc is the single daily power consumption of the test electric energy meter without the carrier module, and T dhpc is the single daily power consumption of the test electric energy meter with the carrier module.
Optionally, calculating the daily consumption power value of the standard meter includes
The daily consumption electric energy of the standard meter is calculated by using the following formula according to the daily freezing data of the standard meter,
Tdbase＝Tdp-Tde；
Wherein, T dbase is the daily consumption electric energy of the standard meter, T dp is the combined active electric energy in the daily freezing record of the standard meter P, and T de is the combined active electric energy in the daily freezing record of the standard meter E.
A fourth embodiment provides a power meter testing device based on simulating an actual load on site, the power meter testing device comprising a processor and a memory, the memory for storing a set of program code, the processor invoking the program code stored in the memory for performing the method of any one of claims 1 to 7.
Any combination of the above optional solutions may be adopted to form an optional embodiment of the present invention, which is not described herein.
The foregoing is only illustrative of the present invention and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present invention.
Claims (6)
1. The utility model provides an electric energy meter test method based on simulation scene actual load, its characterized in that, the method is applied to one and includes at least that standard table S, N test electric energy meter, standard table P and standard table E establish ties in proper order, standard table E is connected with actual load end, test electric energy meter includes the test electric energy meter of configuration carrier wave module to and the electric energy meter of not configuration carrier wave module, the method includes:
Acquiring an electric energy consumption value of the standard table P;
according to the data of the standard meter, calculating to obtain the consumption electric energy value of the test electric energy meter;
According to the data of the standard meter, the electric energy consumption value of the standard meter P and the electric energy consumption value of the test electric energy meter, calculating theoretical data of the nth test electric energy meter by using the following formula:
Tn＝Tp+Tbase+X1*Tnavg+X2*Thavg；
Wherein, T n is theoretical data of a test electric energy meter with n number, T p is a data value of a standard meter p, T base is an electric energy consumption value of the standard meter, X 1 is the number of test electric energy meters without carrier modules after the nth meter, T navg is the electric energy consumption value of test electric energy meters without carrier modules, X 2 is the number of test electric energy meters with carrier modules after the nth meter, and T havg is the electric energy consumption value of test electric energy meters with carrier modules;
Judging whether the nth test electric energy meter is reliable or not according to the theoretical electric energy data value of the nth test electric energy meter and the actual meter reading value of the nth test electric energy meter;
the obtaining the power consumption value of the standard table P includes:
According to the electric energy data value of the standard meter, calculating the consumed electric energy of the standard meter E by using the following formula, and taking the consumed electric energy as the consumed electric energy value of the standard meter;
Tbase＝Tp-Te；
Wherein, T base is the power consumption value of the standard meter, T p is the display data of the standard meter P, and T e is the power data value of the standard meter E;
the test ammeter is configured with a carrier module, and the calculation of the electric energy consumption value of the test ammeter configured with the carrier module according to the data of the standard meter comprises the following steps:
Calculating to obtain single block consumption power of the test electric energy meter configured with the carrier module by using the following formula according to the data of the standard meter, the total number of the test electric energy meters, the consumption power value of the standard meter and the number of the test electric energy meters not configured with the carrier module;
wherein, T havg is the electric energy consumption value of the test electric energy meter with the carrier wave module, N is the total number of the test electric energy meters, T s is the data of the standard meter S, T p is the data of the standard meter P, T base is the electric energy consumption value of the standard meter, T is the time from the beginning of the system operation to the recording moment, the unit is hours, and X1 is the number of the test electric energy meters without the carrier wave module;
The carrier module is not configured by the test ammeter, and the calculation of the electric energy consumption value of the test ammeter of the carrier module is not configured according to the data of the standard meter comprises the following steps:
calculating to obtain the single block consumption electric energy of the test electric energy meter without the carrier module according to the following formula by using the power of the carrier module, the power consumption of the carrier module and the system operation time;
Tnavg＝Thavg-0.0005*t；
Wherein, T navg is the single block of the test electric energy meter without carrier module, T havg is the single block of the test electric energy meter with carrier module, T is the time from the beginning of the system operation to the recording time, the unit is hours, and 0.0005 is the power of the carrier module, the unit is kilowatt.
2. The method according to claim 1, wherein the method further comprises:
And calculating the daily consumption electric energy value of each test electric energy meter.
3. The method of claim 2, wherein calculating the daily power consumption value for each test power meter comprises:
Calculating the daily consumption electric energy value of the standard meter;
calculating the daily consumption electric energy value of each test electric energy meter by using the following formula according to the daily consumption electric energy value of the standard meter and the daily freezing data of the test electric energy meter;
Wherein, T dhpc is the single daily power consumption of the test electric energy meter with the carrier module, N is the total number of the test electric energy meters, T ds is the combined active electric energy in the standard meter S daily freezing record, T dp is the combined active electric energy in the standard meter P daily freezing record, T dbase is the daily power consumption value of the standard meter, and X1 is the number of the test electric energy meters without the carrier module;
Tdnpc＝Tdhpc-0.012；
Wherein, T dnpc is the single daily power consumption of the test electric energy meter without the carrier module, and T dhpc is the single daily power consumption of the test electric energy meter with the carrier module;
said calculating the daily consumption power value of said standard meter includes
Calculating the daily consumption electric energy of the standard meter by using the following formula according to the daily freezing data of the standard meter,
Tdbase＝Tdp-Tde；
Wherein, T dbase is the daily consumption electric energy of the standard meter, T dp is the combined active electric energy in the daily freezing record of the standard meter P, and T de is the combined active electric energy in the daily freezing record of the standard meter E.
4. The utility model provides an electric energy meter test system based on simulation scene actual load, its characterized in that, the system includes standard table S, N at least and tests electric energy meter, standard table P and standard table E, S, N of standard table test electric energy meter standard table P with standard table E establishes ties in proper order, standard table E is connected with actual load end, test electric energy meter including the test electric energy meter of configuration carrier wave module to and the electric energy meter of not configuration carrier wave module, standard table E passes through the socket to be connected in the load, test electric energy meter includes the test electric energy meter of configuration carrier wave module, and the electric energy meter of not configuration carrier wave module, the system still includes:
the data acquisition device is used for acquiring data of S, N test electric energy meters, a standard meter P and a standard meter E of the standard meter;
the load control device is used for controlling the on-off of each socket in the actual load module and realizing the operation control of the rear-end load so as to simulate the actual load on site;
Calculation analysis means for performing the following operations:
Obtaining the consumed electric energy value of the standard table P;
according to the data of the standard meter, calculating to obtain the consumption electric energy value of the test electric energy meter;
According to the data of the standard meter, the electric energy consumption value of the standard meter P and the electric energy consumption value of the test electric energy meter, calculating theoretical data of the nth test electric energy meter by using the following formula:
Tn＝Tp+Tbase+X1*Tnavg+X2*Thavg；
Wherein, T n is theoretical data of a test electric energy meter with n number, T p is a data value of a standard meter p, T base is an electric energy consumption value of the standard meter, X 1 is the number of test electric energy meters without carrier modules after the nth meter, T navg is the electric energy consumption value of test electric energy meters without carrier modules, X 2 is the number of test electric energy meters with carrier modules after the nth meter, and T havg is the electric energy consumption value of test electric energy meters with carrier modules;
Judging whether the nth test electric energy meter is reliable or not according to the theoretical electric energy data value of the nth test electric energy meter and the actual meter reading value of the nth test electric energy meter;
The obtaining the consumed electric energy value of the standard table P includes:
According to the electric energy data value of the standard meter, calculating the consumed electric energy of the standard meter E by using the following formula, and taking the consumed electric energy as the consumed electric energy value of the standard meter;
Tbase＝Tp-Te；
Wherein, T base is the power consumption value of the standard meter, T p is the display data of the standard meter P, and T e is the power data value of the standard meter E;
the test ammeter is configured with a carrier module, and the calculation of the electric energy consumption value of the test ammeter configured with the carrier module according to the data of the standard meter comprises the following steps:
Calculating to obtain single block consumption power of the test electric energy meter configured with the carrier module by using the following formula according to the data of the standard meter, the total number of the test electric energy meters, the consumption power value of the standard meter and the number of the test electric energy meters not configured with the carrier module;
wherein, T havg is the electric energy consumption value of the test electric energy meter with the carrier wave module, N is the total number of the test electric energy meters, T s is the data of the standard meter S, T p is the data of the standard meter P, T base is the electric energy consumption value of the standard meter, T is the time from the beginning of the system operation to the recording moment, the unit is hours, and X1 is the number of the test electric energy meters without the carrier wave module;
The carrier module is not configured by the test ammeter, and the calculation of the electric energy consumption value of the test ammeter of the carrier module is not configured according to the data of the standard meter comprises the following steps:
calculating to obtain the single block consumption electric energy of the test electric energy meter without the carrier module according to the following formula by using the power of the carrier module, the power consumption of the carrier module and the system operation time;
Tnavg＝Thavg-0.0005*t；
Wherein, T navg is the single block of the test electric energy meter without carrier module, T havg is the single block of the test electric energy meter with carrier module, T is the time from the beginning of the system operation to the recording time, the unit is hours, and 0.0005 is the power of the carrier module, the unit is kilowatt.
5. An electric energy meter testing device based on simulation site actual load, which is characterized by comprising:
the acquisition module is used for acquiring the electric energy consumption value of the standard table P;
the first calculation module is used for calculating and obtaining the consumption electric energy value of the test electric energy meter according to the data of the standard meter;
the second calculation module is configured to calculate theoretical data of the nth test electric energy meter according to the data of the standard meter, the electric energy consumption value of the standard meter P, and the electric energy consumption value of the test electric energy meter by using the following formula:
Tn＝Tp+Tbase+X1*Tnavg+X2*Thavg；
Wherein, T n is theoretical data of a test electric energy meter with n number, T p is a data value of a standard meter p, T base is an electric energy consumption value of the standard meter, X 1 is the number of test electric energy meters without carrier modules after the nth meter, T navg is the electric energy consumption value of test electric energy meters without carrier modules, X 2 is the number of test electric energy meters with carrier modules after the nth meter, and T havg is the electric energy consumption value of test electric energy meters with carrier modules;
the judging and outputting module is used for judging whether the nth test electric energy meter is reliable or not according to the theoretical electric energy data value of the nth test electric energy meter and the actual meter reading value of the nth test electric energy meter;
the obtaining the power consumption value of the standard table P includes:
According to the electric energy data value of the standard meter, calculating the consumed electric energy of the standard meter E by using the following formula, and taking the consumed electric energy as the consumed electric energy value of the standard meter;
Tbase＝Tp-Te；
Wherein, T base is the power consumption value of the standard meter, T p is the display data of the standard meter P, and T e is the power data value of the standard meter E;
the test ammeter is configured with a carrier module, and the calculation of the electric energy consumption value of the test ammeter configured with the carrier module according to the data of the standard meter comprises the following steps:
Calculating to obtain single block consumption power of the test electric energy meter configured with the carrier module by using the following formula according to the data of the standard meter, the total number of the test electric energy meters, the consumption power value of the standard meter and the number of the test electric energy meters not configured with the carrier module;
wherein, T havg is the electric energy consumption value of the test electric energy meter with the carrier wave module, N is the total number of the test electric energy meters, T s is the data of the standard meter S, T p is the data of the standard meter P, T base is the electric energy consumption value of the standard meter, T is the time from the beginning of the system operation to the recording moment, the unit is hours, and X1 is the number of the test electric energy meters without the carrier wave module;
The carrier module is not configured by the test ammeter, and the calculation of the electric energy consumption value of the test ammeter of the carrier module is not configured according to the data of the standard meter comprises the following steps:
calculating to obtain the single block consumption electric energy of the test electric energy meter without the carrier module according to the following formula by using the power of the carrier module, the power consumption of the carrier module and the system operation time;
Tnavg＝Thavg-0.0005*t；
Wherein, T navg is the single block of the test electric energy meter without carrier module, T havg is the single block of the test electric energy meter with carrier module, T is the time from the beginning of the system operation to the recording time, the unit is hours, and 0.0005 is the power of the carrier module, the unit is kilowatt.
6. An electric energy meter testing device based on simulating field actual load, characterized in that it comprises a processor and a memory, said memory being adapted to store a set of program codes, said processor invoking said stored program codes of said memory for executing the method according to any of claims 1 to 3.
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