Electronic transformer testing system and testing method

Abstract

The present application relates to the technical field of electronic transformer testing, and discloses an electronic transformer testing system and testing method, which comprises an electronic transformer identification unit, a testing data acquisition module, a testing data analysis module and a testing score module, and the testing data acquisition module comprises a temperature characteristic testing data acquisition unit, a load characteristic testing data acquisition unit and an insulation strength testing data acquisition unit. The system acquires temperature performance data of the electronic transformer currently being tested under different temperature conditions, respectively calculates and analyzes the load characteristic data of the output of the electronic transformer under full load and no load conditions, obtains temperature performance analysis data and load characteristic analysis data, and combines insulation strength testing data obtained through insulation testing to finally obtain the testing score of the electronic transformer currently being tested, and determines whether it is qualified according to the score, thereby assisting the staff to quickly test the electronic transformer.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic transformer testing, in particular to an electronic transformer testing system and testing method. BACKGROUND

[0002] An electronic transformer is an advanced power system primary current and voltage acquisition device, and is determined by its structural principle. The electronic transformer adopts a large number of optical and electronic devices, which are very susceptible to temperature changes and can cause deterioration of its measurement accuracy and other performances. In the current type test, performance test and field application, when facing a large number of electronic transformers of the same batch, the staff needs to enter the data one by one for calculation and determine whether it is qualified, which leads to low test efficiency. This detection method cannot meet the detection requirements. SUMMARY

[0003] (I) Technical problems solved

[0004] In view of the deficiencies in the prior art, the present application provides an electronic transformer testing system and testing method, which has the advantages of rapid testing and solves the above technical problems.

[0005] (II) Technical solutions

[0006] To achieve the above object, the present application provides the following technical solutions: an electronic transformer testing system, comprising an electronic transformer identification unit, a test data acquisition module, a test data analysis module and a test scoring module;

[0007] The electronic transformer identification unit is used to identify the model of the electronic transformer currently being tested, obtain the test standard of the electronic transformer currently being tested, and send the model of the electronic transformer and the test standard of the electronic transformer to the test data acquisition module for corresponding testing.

[0008] The test data acquisition module comprises a temperature characteristic test data acquisition unit, a load characteristic test data acquisition unit and an insulation strength test data acquisition unit. The temperature characteristic test data acquisition unit acquires temperature performance data of the electronic transformer currently being tested under different temperature conditions. The load characteristic test data acquisition unit acquires load characteristic data of the output of the electronic transformer under full load and no load conditions. The insulation strength test data acquisition unit acquires insulation strength test data obtained by testing the electronic transformer under standard test values. The test data acquisition module sends the acquired temperature performance data, load characteristic data and insulation strength test data to the test data analysis module.

[0009] The test data analysis module performs calculation analysis on the insulation strength test data based on the temperature performance data and the load characteristic data, to obtain temperature performance analysis data and load characteristic analysis data, and the test data analysis module sends the temperature performance analysis data, the load characteristic analysis data and the insulation strength test data to the test score module.

[0010] The test score module outputs a test score of the electronic transformer currently being tested based on the temperature performance analysis data, the load characteristic analysis data and the insulation strength test data.

[0011] As a preferred technical solution of the present application, the electronic transformer identification unit is used to identify the model of the electronic transformer currently being tested, and the specific steps of obtaining the test standard of the electronic transformer currently being tested are as follows:

[0012] Step A1: searching for the input model of the electronic transformer in the storage database of the electronic transformer identification unit;

[0013] Step A2: if the input model of the electronic transformer exists in the storage database, reading the test standard of the electronic transformer currently being tested, and sending the model of the electronic transformer and the test standard of the electronic transformer to the test data acquisition module for corresponding test, if the input model of the electronic transformer does not exist in the storage database, executing step A3;

[0014] Step A3: taking the test standard of the electronic transformer input by the staff as the test standard of the electronic transformer currently being tested, storing the model of the electronic transformer and the test standard of the electronic transformer, and sending the model of the electronic transformer and the test standard of the electronic transformer to the test data acquisition module for corresponding test.

[0015] As a preferred technical solution of the present application, the expression of the temperature characteristic test data acquisition unit for acquiring the temperature performance data of the electronic transformer currently being measured under different temperature conditions is as follows:

[0016] WDXN=[SCZ1,…,SCZ n ,…,SCZ N ]

[0017] Wherein, SCZ1,…,SCZ n ,...,SCZ N respectively represent the output value of the electronic transformer under the first temperature condition,..., the output value under the n-th temperature condition,..., the output value under the N-th temperature condition, and WDXN represents a temperature performance data set.

[0018] As the preferred technical scheme of the present application, the specific expression of the temperature performance analysis data obtained by the test data analysis module based on the temperature performance data is as follows:

[0019]

[0020] Wherein, WFSX represents the temperature performance analysis data, SCZ0 represents the test standard value of the output value in the test standard of the electronic transformer currently tested, max[SCZ1,...,SCZ n ,...,SCZ N ] represents the maximum value in SCZ1,...,SCZ n ,...,SCZ N , min[SCZ1,...,SCZ n ,...,SCZ N ] represents the minimum value in SCZ1,...,SCZ n ,...,SCZ N , and |*| represents the absolute value.

[0021] As the preferred technical scheme of the present application, the specific expression of the load characteristic data set of the output of the electronic transformer under full load and no load conditions collected by the load characteristic test data collection unit is as follows:

[0022]

[0023] Wherein, FZTX represents the load characteristic data set, MZSCZ1,...,MZSCZ i ,...,MZSCZ I respectively represent the output value of the electronic transformer in the full load test process for the first time,..., the output value of the electronic transformer in the full load test process for the i-th time,..., the output value of the electronic transformer in the full load test process for the I-th time, KZSCZ1,...,KZSCZ i ,...,KZSCZ I respectively represent the output value of the electronic transformer in the no load test process for the first time,..., the output value of the electronic transformer in the no load test process for the i-th time,..., the output value of the electronic transformer in the no load test process for the I-th time.

[0024] As the preferred technical scheme of the present application, the expression of the load characteristic analysis data obtained by the test data analysis module based on the load characteristic data is as follows:

[0025]

[0026] Wherein, FZFX represents the load characteristic analysis data, MZSCZ irepresents the output value of the electronic transformer in the i-th full load test process, KZSCZ i represents the output value of the electronic transformer in the i-th no-load test process, MZSCZ0 represents the full load standard value, and KZSCZ0 represents the no-load standard value.

[0027] As a preferred technical scheme of the present application, the insulation strength test data acquisition unit acquires the insulation strength test data obtained by testing the electronic transformer under the standard test value wherein JYQD=1 represents passing the insulation strength test, and JYQD=0 represents failing the insulation strength test.

[0028] As a preferred technical scheme of the present application, the specific steps of outputting the test score of the electronic transformer currently being tested by the test score module based on the temperature performance analysis data, the load characteristic analysis data and the insulation strength test data are as follows:

[0029] Step B1: judging the insulation strength test data JYQD, if JYQD=1, executing step B2, if JYQD=0, terminating step B1 and outputting unqualified;

[0030] Step B2: outputting the test score of the electronic transformer currently being tested.

[0031] As a preferred technical scheme of the present application, the specific expression of outputting the test score of the electronic transformer currently being tested in step B2 is as follows:

[0032] CSPJ=WFSX+FZSX

[0033] wherein FZFX represents the load characteristic analysis data, WFSX represents the temperature performance analysis data, and CSPJ represents the test score.

[0034] The present application also provides an electronic transformer test method based on the above-mentioned electronic transformer test system, comprising the following steps:

[0035] Step one: identifying the model of the electronic transformer currently being tested to obtain the test standard of the electronic transformer currently being tested;

[0036] Step two: acquiring the temperature performance data of the electronic transformer currently being measured under different temperature conditions;

[0037] Step three: acquiring the load characteristic data of the output of the electronic transformer under full load and no load conditions;

[0038] Step four: the acquisition unit acquires the insulation strength test data obtained by testing the electronic transformer under the standard test value;

[0039] Step five: based on temperature performance data and load characteristic data insulation strength test data respectively for calculation and analysis, get temperature performance analysis data and load characteristic analysis data;

[0040] Step six: based on temperature performance analysis data, load characteristic analysis data and insulation strength test data output the test score of the electronic transformer under test.

[0041] Compared with the prior art, the present application provides an electronic transformer test system and test method, which has the following beneficial effects:

[0042] The present application acquires temperature performance data of the electronic transformer under test under different temperature conditions, respectively calculates and analyzes load characteristic data of the output of the electronic transformer under full load and no load conditions, obtains temperature performance analysis data and load characteristic analysis data, combines insulation test insulation strength test data, finally obtains the test score of the electronic transformer under test, and determines whether it is qualified according to the score, thereby assisting the staff to quickly detect the electronic transformer. BRIEF DESCRIPTION OF DRAWINGS

[0043] Figure 1 It is a system framework schematic diagram of the present application;

[0044] Figure 2 It is a flowchart of the present application. DETAILED DESCRIPTION

[0045] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0046] Please refer to Figure 1 - Figure 2 , an electronic transformer test system, comprising an electronic transformer identification unit, a test data acquisition module, a test data analysis module and a test scoring module;

[0047] The electronic transformer identification unit is used to identify the model of the electronic transformer currently being tested, obtain the test standard of the electronic transformer currently being tested, and send the model of the electronic transformer and the test standard of the electronic transformer to the test data acquisition module for corresponding testing. The process of the electronic transformer identification unit identifying the model of the electronic transformer currently being tested and obtaining the test standard of the electronic transformer currently being tested is as follows: searching for the input model of the electronic transformer in the storage database of the electronic transformer identification unit, if the input model of the electronic transformer exists in the storage database, reading the test standard of the electronic transformer currently being tested, and sending the model of the electronic transformer and the test standard of the electronic transformer to the test data acquisition module for corresponding testing, if the input model of the electronic transformer does not exist in the storage database, inputting the test standard of the electronic transformer by the staff as the test standard of the electronic transformer currently being tested, storing the model of the electronic transformer and the test standard of the electronic transformer, and sending the model of the electronic transformer and the test standard of the electronic transformer to the test data acquisition module for corresponding testing;

[0048] The test data acquisition module includes a temperature characteristic test data acquisition unit, a load characteristic test data acquisition unit, and an insulation strength test data acquisition unit. The temperature characteristic test data acquisition unit acquires temperature performance data of the electronic transformer currently being measured under different temperature conditions.

[0049] The load characteristic test data acquisition unit acquires load characteristic data of the output of the electronic transformer under full load and no load conditions.

[0050] The insulation strength test data acquisition unit acquires insulation strength test data obtained by testing the electronic transformer under standard test values. The test data acquisition module sends the acquired temperature performance data, load characteristic data, and insulation strength test data to the test data analysis module.

[0051] The test data analysis module performs calculation and analysis based on the temperature performance data, load characteristic data, and insulation strength test data, respectively, to obtain temperature performance analysis data and load characteristic analysis data. The test data analysis module sends the temperature performance analysis data, load characteristic analysis data, and insulation strength test data to the test scoring module. The expression of the temperature characteristic test data acquisition unit acquiring temperature performance data of the electronic transformer currently being measured under different temperature conditions is as follows:

[0052] WDXN=[SCZ1,…,SCZ n ,…,SCZ N ]

[0053] wherein SCZ1, …, SCZ n , SCZ N , respectively, represent the output value of the electronic transformer under the 1st temperature condition, …, the output value under the nth temperature condition, …, the output value under the Nth temperature condition, and WDXN represents a temperature performance data set, and the test data analysis module performs calculation and analysis based on the temperature performance data to obtain a specific expression of the temperature performance analysis data as follows:

[0054]

[0055] wherein WFSX represents the temperature performance analysis data, SCZ0 represents a test standard value of the output value in the test standard of the electronic transformer currently being tested, max[SCZ1, …, SCZ n , SCZ N ] represents the maximum value among SCZ1, …, SCZ N , SCZ N , min[SCZ1, …, SCZ n , SCZ N ] represents the minimum value among SCZ1, …, SCZ n , SCZ N , and |*| represents an absolute value, and the load characteristic test data acquisition unit acquires load characteristic data of the output of the electronic transformer under full load and no load conditions, and a specific expression of the load characteristic data is as follows:

[0056]

[0057] wherein FZTX represents a load characteristic data set, MZSCZ1, …, MZSCZ i , MZSCZ I , respectively, represent the output value of the electronic transformer in the 1st full load test process, …, the output value of the electronic transformer in the i-th full load test process, …, the output value of the electronic transformer in the Ith full load test process, KZSCZ1, …, KZSCZ i , KZSCZ I , respectively, represent the output value of the electronic transformer in the 1st no load test process, …, the output value of the electronic transformer in the i-th no load test process, …, the output value of the electronic transformer in the Ith no load test process, and the test data analysis module performs calculation and analysis based on the load characteristic data to obtain an expression of the load characteristic analysis data as follows:

[0058]

[0059] Wherein, FZFX represents the load characteristic analysis data, MZSCZ i represents the output value of the electronic transformer in the i-th full load test process, KZSCZ i represents the output value of the electronic transformer in the i-th no-load test process, MZSCZ0 represents the full load standard value, KZSCZ0 represents the no-load standard value, and the insulation strength test data acquisition unit acquires the insulation strength test data obtained by testing the electronic transformer under the standard test value Wherein, JYQD = 1 represents passing the insulation strength test, and JYQD = 0 represents failing the insulation strength test.

[0060] The test score module outputs the test score of the electronic transformer currently tested based on the temperature performance analysis data, the load characteristic analysis data and the insulation strength test data. First, the insulation strength test data JYQD is judged. If JYQD = 1, CSPJ = WFSX + FZFX is calculated. If JYQD = 0, the unqualified is outputted.

[0061] Wherein, FZFX represents the load characteristic analysis data, WFSX represents the temperature performance analysis data, and CSPJ represents the test score.

[0062] Embodiment one:

[0063] The specific data of the experiment on the electronic transformer are as follows:

[0064] The insulation strength test data acquisition unit acquires the insulation strength test data JYQD = 1 obtained by testing the electronic transformer under the standard test value, WDXN = [5.0, 4.3, 4.2, 5.1, 4.9], SCZ0 = 5, max [5.0, 4.95, 4.8, 5.1, 4.9] = 5.1, min [5.0, 4.95, 4.8, 5.1, 4.9] = 4.8,

[0065]

[0066] At this time, CSPJ = WFSX + FZFX = 0.06 + 0.028 = 0.034

[0067] Embodiment two:

[0068] The specific data of the experiment on the electronic transformer are as follows:

[0069] The insulation strength test data acquisition unit acquires the insulation strength test data JYQD = 0 obtained by testing the electronic transformer under the standard test value, and the unqualified is outputted at this time.

[0070] The application further provides an electronic transformer testing method based on the electronic transformer testing system, comprising the following steps:

[0071] Step one: the model of the electronic transformer currently being tested is identified to obtain the testing standard of the electronic transformer currently being tested;

[0072] Step two: temperature performance data of the electronic transformer currently being tested under different temperature conditions is collected;

[0073] Step three: load characteristic data of the output of the electronic transformer under full load and no load conditions is collected;

[0074] Step four: the insulation strength testing data obtained by testing the electronic transformer under the standard testing value is collected by the collection unit;

[0075] Step five: the temperature performance data and the load characteristic data and the insulation strength testing data are respectively calculated and analyzed to obtain temperature performance analysis data and load characteristic analysis data;

[0076] Step six: the testing score of the electronic transformer currently being tested is output based on the temperature performance analysis data, the load characteristic analysis data and the insulation strength testing data.

[0077] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An electronic transformer testing system, characterized by: The electronic transformer identification unit, the test data acquisition module, the test data analysis module and the test scoring module are included. The electronic transformer identification unit is used for identifying the model of the electronic transformer currently under test, obtaining the test standard of the electronic transformer currently under test, and sending the model of the electronic transformer and the test standard of the electronic transformer to the test data acquisition module for corresponding test. The test data acquisition module includes a temperature characteristic test data acquisition unit, a load characteristic test data acquisition unit and an insulation strength test data acquisition unit. The temperature characteristic test data acquisition unit acquires temperature performance data of the electronic transformer currently under test under different temperature conditions. The load characteristic test data acquisition unit acquires load characteristic data of the output of the electronic transformer under full load and no load conditions. The insulation strength test data acquisition unit acquires insulation strength test data obtained by testing the electronic transformer under standard test values. The test data acquisition module sends the acquired temperature performance data, load characteristic data and insulation strength test data to the test data analysis module. The test data analysis module performs calculation and analysis based on the temperature performance data, load characteristic data and insulation strength test data, respectively, to obtain temperature performance analysis data and load characteristic analysis data. The test data analysis module sends the temperature performance analysis data, load characteristic analysis data and insulation strength test data to the test scoring module. The test scoring module outputs the test score of the electronic transformer currently under test based on the temperature performance analysis data, load characteristic analysis data and insulation strength test data.

2. The electronic transformer testing system of claim 1, wherein: The specific steps of the electronic transformer identification unit for identifying the model of the electronic transformer currently under test to obtain the test standard of the electronic transformer currently under test are as follows: Step A1: searching for the input model of the electronic transformer in the storage database of the electronic transformer identification unit; Step A2: if the input model of the electronic transformer exists in the storage database, reading the test standard of the electronic transformer currently under test, and sending the model of the electronic transformer and the test standard of the electronic transformer to the test data acquisition module for corresponding test; if the input model of the electronic transformer does not exist in the storage database, performing step A3; Step A3: inputting the test standard of the electronic transformer by the staff as the test standard of the electronic transformer currently under test, storing the model of the electronic transformer and the test standard of the electronic transformer, and sending the model of the electronic transformer and the test standard of the electronic transformer to the test data acquisition module for corresponding test.

3. The electronic transformer testing system of claim 2, wherein: The expression of the temperature characteristic test data acquisition unit for acquiring temperature performance data of the electronic transformer currently under test under different temperature conditions is as follows: WDXN = [SCZ1,..., SCZ n ,..., SCZ N ] wherein SCZ1,..., SCZ n ,..., SCZ N denote the output values of the electronic instrument transformer under the 1st temperature condition,..., under the n-th temperature condition,..., under the N-th temperature condition, respectively, and WDXN denotes the temperature performance data set.

4. The electronic transformer testing system of claim 3, wherein: The specific expression of the test data analysis module for performing calculation and analysis based on the temperature performance data to obtain temperature performance analysis data is as follows: where WFSX represents the temperature performance analysis data, SCZ0 represents a test standard value of an output value in a test standard of the electronic transformer currently being tested, max[SCZ1,...,SCZ n ] represents the maximum value among SCZ1,...,SCZ N , min[SCZ1,...,SCZ n ] represents the minimum value among SCZ1,...,SCZ N , and |*| represents an absolute value. n N n N ​​​​ 5. The electronic transformer testing system of claim 4, wherein: The load characteristic test data acquisition unit acquires the specific expression of the load characteristic data of the output of the electronic transformer under full load and no load conditions as follows: wherein FZTX represents a load characteristic data set, MZSCZ1,..., MZSCZ i ..., MZSCZ I respectively represent the output value of the electronic transformer in the first full load test,..., the output value of the electronic transformer in the i-th full load test,..., the output value of the electronic transformer in the I-th full load test, KZSCZ1,..., KZSCZ i ..., KZSCZ I respectively represent the output value of the electronic transformer in the first no-load test,..., the output value of the electronic transformer in the i-th no-load test,..., the output value of the electronic transformer in the I-th no-load test.

6. The electronic transformer testing system of claim 5, wherein: The test data analysis module performs calculation and analysis based on the load characteristic data, and the expression of the load characteristic analysis data is as follows: wherein FZFX represents load characteristic analysis data, MZSCZ i represents the output value of the electronic transformer during the i-th full load test, KZSCZ i represents the output value of the electronic transformer during the i-th no load test, MZSCZ0 represents the full load standard value, KZSCZ0 represents the no load standard value.

7. The electronic transformer testing system of claim 6, wherein: The insulation strength test data acquisition unit acquires insulation strength test data obtained by testing the electronic transformer at a standard test value wherein JYQD=1 indicates passing the insulation strength test, and JYQD=0 indicates failing the insulation strength test.

8. The electronic transformer testing system of claim 7, wherein: The test score module outputs the test score of the electronic transformer currently being tested based on the temperature performance analysis data, the load characteristic analysis data and the insulation strength test data, and the specific steps are as follows: Step B1: judge the insulation strength test data JYQD, if JYQD=1, execute step B2, if JYQD=0, terminate step B1, and output unqualified; Step B2: output the test score of the electronic transformer currently being tested.

9. The electronic transformer testing system of claim 8, wherein: The specific expression of the test score of the electronic transformer currently being tested output in step B2 is as follows: CSPJ=WFSX+FZFX Wherein, FZFX represents the load characteristic analysis data, WFSX represents the temperature performance analysis data, and CSPJ represents the test score.

10. Electronic transformer testing method, based on a testing system of an electronic transformer according to any one of claims 1-9, characterized in that: The following steps are included: Step one: the model of the electronic transformer currently being tested is identified to obtain the test standard of the electronic transformer currently being tested; Step two: temperature performance data of the electronic transformer currently being measured under different temperature conditions is acquired; Step three: load characteristic data of the output of the electronic transformer under full load and no load conditions is acquired; Step four: the insulation strength test data obtained by the acquisition unit by testing the electronic transformer under the standard test value is acquired; Step five: temperature performance analysis data and load characteristic analysis data are obtained by performing calculation and analysis based on the temperature performance data, the load characteristic data and the insulation strength test data respectively; Step six: the test score of the electronic transformer currently being tested is output based on the temperature performance analysis data, the load characteristic analysis data and the insulation strength test data.

Images