Three-phase high-voltage electric energy meter testing device, method and equipment and readable storage medium

Abstract

The invention discloses a three-phase high-voltage electric energy meter testing device, method and equipment and a readable storage medium, and relates to the technical field of three-phase electric energy meter inspection. A three-phase generator is arranged to be connected with a voltage amplifier, a voltage booster and a tested electric energy meter through a voltage stabilization adjusting circuit, and is connected with a current amplifier, a current booster and the tested electric energy meter through a current stabilization adjusting circuit; the tested electric energy meter is connected with the standard voltage transformer and the standard current transformer and then connected with the standard electric energy meter, and the tested electric energy meter and the standard electric energy meter are connected with the comparator, so that the tested electric energy meter can be compared with the standard electric energy meter, and errors of the tested electric energy meter can be directly measured. Meanwhile, the voltage / current amplifier and the voltage / current booster can meet the requirements of a high-voltage to-be-tested electric energy meter, voltage reduction is achieved through the standard voltage transformer and the standard current transformer, electric signals output by the three-phase generator can be obtained by the standard electric energy meter, it is guaranteed that the electric signals obtained by the tested electric energy meter and the standard electric energy meter are unified, testing errors are reduced, and testing efficiency is improved. And the detection stability and precision degree are improved.

Description

Technical Field

[0001] The present application relates to the technical field of three-phase electric energy meter inspection, and in particular to a three-phase high-voltage electric energy meter testing device, method, equipment and readable storage medium. Background Art

[0002] With the development of three-phase energy meter inspection technology, today's high-voltage energy metering devices generally include voltage transformers, current transformers and energy meters, which are responsible for energy metering and line loss monitoring in the power grid. Therefore, through the verification and calibration of energy meters, transformers and secondary voltage drops, the error of the entire high-voltage energy metering device can be indirectly controlled.

[0003] In the related art, the error detection method of the high-voltage electric energy meter is to test the high-voltage voltage transformer (PT), high-voltage current transformer (CT) and low-voltage electric energy meter of the device separately under low voltage according to their respective verification procedures, and then calculate the overall error from these verification results. However, the applicant realizes that this detection method only tests the accuracy of each component, and for high-voltage electric energy metering devices, a large test error will occur, resulting in low stability and precision of the detection. Summary of the invention

[0004] In view of this, the present application provides a three-phase high-voltage electric energy meter testing device, method, equipment and readable storage medium. The main purpose is to solve the problem that the traditional detection method only checks the accuracy of each component. For high-voltage electric energy metering devices, large test errors will occur, resulting in low detection stability and precision.

[0005] According to the first aspect of the present application, a three-phase high-voltage electric energy meter test device is provided, which includes a three-phase generator, a voltage regulation circuit, a current regulation circuit, a voltage amplifier, a current amplifier, a booster, a current booster, a tested electric energy meter, a standard voltage transformer, a standard current transformer, a standard electric energy meter and a comparator:

[0006] The three-phase generator is electrically connected to the voltage stabilization adjustment circuit and the current stabilization adjustment circuit, and is used to generate a sinusoidal voltage and transmit the sinusoidal voltage to the voltage stabilization adjustment circuit, and to generate a sinusoidal current and transmit the sinusoidal current to the current stabilization adjustment circuit;

[0007] The voltage regulating circuit is electrically connected to the voltage amplifier, the booster and the input end of the electric energy meter to be measured in sequence, and is used to regulate the sinusoidal voltage to obtain a stable voltage, and transmit the stable voltage to the voltage amplifier;

[0008] The current regulating circuit is electrically connected to the current amplifier, the current booster and the input end of the electric energy meter to be measured in sequence, and is used to regulate the sinusoidal current to obtain a stable current, and transmit the stable current to the current amplifier;

[0009] The voltage amplifier is used to amplify the stable voltage and transmit the amplified stable voltage to the booster;

[0010] The current amplifier is used to amplify the stable current and transmit the amplified stable current to the current booster;

[0011] The booster is used to boost the amplified stable voltage to obtain a target voltage, and input the target voltage to the measured electric energy meter;

[0012] The current booster is used to boost the amplified current signal to obtain a target current, and input the target current into the electric energy meter under test;

[0013] The output end of the electric energy meter under test is electrically connected to the standard voltage transformer, the standard current transformer and the comparator, and is used to measure the target voltage and the target current, obtain target measurement information, send the target measurement information to the comparator, and transmit the target voltage to the standard voltage transformer and transmit the target current to the standard current transformer;

[0014] The standard voltage transformer is electrically connected to the input end of the standard electric energy meter, and is used to convert the target voltage to obtain a standard voltage, and input the standard voltage into the standard electric energy meter;

[0015] The standard current transformer is electrically connected to the input end of the standard electric energy meter, and is used to convert the target current to obtain a standard current, and input the standard current into the standard electric energy meter;

[0016] The input end of the standard electric energy meter is electrically connected to the comparator, and is used to measure the standard voltage and the standard current to obtain standard measurement information, and send the standard measurement information to the comparator;

[0017] The comparator is used to compare the target measurement information with the standard measurement information to obtain a test result.

[0018] Optionally, the device further comprises:

[0019] The signal conversion module is electrically connected to the comparator and the three-phase generator, and is used to obtain the test result of the comparator, convert the test result to obtain a test signal, and send the test signal to the main controller of the three-phase generator.

[0020] The feedback module is electrically connected to the voltage stabilization adjustment circuit, the current stabilization adjustment circuit, the voltage amplifier, the current amplifier and the standard electric energy meter, and is used to monitor the standard electric energy meter, the voltage amplifier and the current amplifier to obtain monitoring results. When the monitoring results indicate an abnormality, the feedback module adjusts the voltage stabilization adjustment circuit and the current stabilization adjustment circuit based on the monitoring results.

[0021] The power supply is electrically connected to the three-phase generator and is used to supply power to the three-phase generator.

[0022] Optionally, the standard voltage transformer is of level 0.005, the standard current transformer is of level 0.005S, and the standard electric energy meter is of level 0.01.

[0023] According to a second aspect of the present application, a three-phase high-voltage electric energy meter testing method is provided, the method comprising:

[0024] The three-phase generator generates a sinusoidal voltage and transmits the sinusoidal voltage to the voltage regulation circuit, and generates a sinusoidal current and transmits the sinusoidal current to the current regulation circuit;

[0025] The voltage-stabilizing adjustment circuit adjusts the sinusoidal voltage to obtain a stable voltage, and transmits the stable voltage to the voltage amplifier; the current-stabilizing adjustment circuit adjusts the sinusoidal current to obtain a stable current, and transmits the stable current to the current amplifier;

[0026] The voltage amplifier amplifies the stable voltage and transmits the amplified stable voltage to the voltage booster, and the current amplifier amplifies the stable current and transmits the amplified stable current to the current booster;

[0027] The voltage booster boosts the amplified stable voltage to obtain a target voltage, and inputs the target voltage to the electric energy meter under test; the current booster boosts the amplified current signal to obtain a target current, and inputs the target current to the electric energy meter under test;

[0028] The electric energy meter under test measures the target voltage and the target current to obtain target measurement information, sends the target measurement information to a comparator, and transmits the target voltage to a standard voltage transformer and transmits the target current to a standard current transformer;

[0029] The standard voltage transformer converts the target voltage to obtain a standard voltage, and inputs the standard voltage into a standard electric energy meter. The standard current transformer converts the target current to obtain a standard current, and inputs the standard current into the standard electric energy meter. The standard voltage transformer is of 0.005 grade, and the standard current transformer is of 0.005S grade.

[0030] The standard electric energy meter measures the standard voltage and the standard current to obtain standard measurement information, and sends the standard measurement information to the comparator. The comparator compares the target measurement information with the standard measurement information to obtain a test result. The standard electric energy meter is level 0.01.

[0031] Optionally, the method further comprises:

[0032] The signal conversion module obtains the test result of the comparator, converts the test result to obtain a test signal, and sends the test signal to the main controller of the three-phase generator;

[0033] The main controller of the three-phase generator receives the test signal and displays the test signal.

[0034] Optionally, the method further comprises:

[0035] The feedback module monitors the standard electric energy meter, the voltage amplifier, and the current amplifier to obtain monitoring results;

[0036] When the monitoring result indicates an abnormality, the feedback module adjusts the voltage stabilization adjustment circuit and the current stabilization adjustment circuit based on the monitoring result.

[0037] According to a third aspect of the present application, a device is provided, including a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps of any one of the methods described in the first aspect when executing the computer program.

[0038] According to a fourth aspect of the present application, a readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, the steps of any one of the methods described in the first aspect are implemented.

[0039] By means of the above technical scheme, the present application provides a three-phase high-voltage electric energy meter testing device, method, equipment and readable storage medium, the present application includes a three-phase generator, a voltage stabilization adjustment circuit, a current stabilization adjustment circuit, a voltage amplifier, a current amplifier, a booster, a current booster, a tested electric energy meter, a standard voltage transformer, a standard current transformer, a standard electric energy meter and a comparator: the three-phase generator is electrically connected to the voltage stabilization adjustment circuit and the current stabilization adjustment circuit, and is used to generate a sinusoidal voltage and transmit the sinusoidal voltage to the voltage stabilization adjustment circuit, and to generate a sinusoidal current and transmit the sinusoidal current to the current stabilization adjustment circuit, the voltage stabilization adjustment circuit is electrically connected to the voltage amplifier, the booster and the input end of the tested electric energy meter in sequence, and is used to adjust the sinusoidal voltage , obtain a stable voltage, and transmit the stable voltage to the voltage amplifier. The current regulating circuit is electrically connected to the current amplifier, the current booster and the input end of the measured electric energy meter in sequence, and is used to adjust the sinusoidal current to obtain a stable current, and transmit the stable current to the current amplifier. The voltage amplifier is used to amplify the stable voltage, and transmit the amplified stable voltage to the booster. The current amplifier is used to amplify the stable current, and transmit the amplified stable current to the current booster. The booster is used to boost the amplified stable voltage to obtain a target voltage, and input the target voltage to the measured electric energy meter. The current booster is used to boost the amplified current signal to obtain a target current, and input the target current to the measured electric energy meter. The measured electric energy meter The output end of the standard voltage transformer is electrically connected to the standard voltage transformer, the standard current transformer and the comparator, and is used to measure the target voltage and the target current to obtain the target measurement information, send the target measurement information to the comparator, and transmit the target voltage to the standard voltage transformer, and transmit the target current to the standard current transformer. The standard voltage transformer is electrically connected to the input end of the standard electric energy meter, and is used to convert the target voltage to obtain the standard voltage, and input the standard voltage to the standard electric energy meter. The standard current transformer is electrically connected to the input end of the standard electric energy meter, and is used to convert the target current to obtain the standard current, and input the standard current to the standard electric energy meter. The input end of the standard electric energy meter is electrically connected to the comparator, and is used to convert the standard voltage to obtain the standard voltage. And the standard current is measured to obtain standard measurement information, and the standard measurement information is sent to the comparator. The comparator is used to compare the target measurement information with the standard measurement information to obtain the test result. The electric energy meter to be tested and the standard electric energy meter can be compared to directly measure the error of the electric energy meter to be tested. At the same time, the voltage amplifier, the booster, the current amplifier, and the current booster can meet the needs of the high-voltage electric energy meter to be tested, and then the standard voltage transformer and the standard current transformer are used to achieve voltage reduction. The electrical signal output by the three-phase generator can be obtained by the standard electric energy meter through the standard voltage transformer and the standard current transformer, which ensures the unity of the electrical signals obtained by the measured and standard electric energy meters, reduces the test error, and improves the stability and precision of the detection.

[0040] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present application. Also, the same reference symbols are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0042] Figure 1 A schematic diagram of the structure of a three-phase high-voltage electric energy meter test provided in an embodiment of the present application is shown;

[0043] Figure 2 A schematic diagram of a method flow for testing a three-phase high-voltage electric energy meter provided in an embodiment of the present application is shown;

[0044] Figure 3 A schematic diagram of the device structure of a device provided in an embodiment of the present application is shown. DETAILED DESCRIPTION

[0045] The exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present application and to fully convey the scope of the present application to those skilled in the art.

[0046] The present application embodiment provides a three-phase high-voltage electric energy meter testing device, such as Figure 1 As shown, the device includes a three-phase generator 1, a voltage regulating circuit 2, a current regulating circuit 3, a voltage amplifier 4, a current amplifier 5, a voltage booster 6, a current booster 7, a measured electric energy meter 8, a standard voltage transformer 9, a standard current transformer 10, a standard electric energy meter 11 and a comparator 12:

[0047] The three-phase generator 1 is electrically connected to the voltage stabilizing adjustment circuit 2 and the current stabilizing adjustment circuit 3, and is used to generate a sinusoidal voltage and transmit the sinusoidal voltage to the voltage stabilizing adjustment circuit 2, as well as to generate a sinusoidal current and transmit the sinusoidal current to the current stabilizing adjustment circuit 3. The three-phase generator 1 can output a sinusoidal voltage and a sinusoidal current with stable amplitude and frequency, thereby ensuring the detection accuracy of the electric energy meter 8 under test.

[0048] The voltage regulating circuit 2 is electrically connected to the input terminal of the voltage amplifier 4, the booster 6 and the electric energy meter 8 under test in sequence, and is used to regulate the sinusoidal voltage to obtain a stable voltage, and transmit the stable voltage to the voltage amplifier 4. The voltage regulating circuit 2 can minimize voltage changes to protect the equipment, and can output a constant stable voltage when the input voltage fluctuates or interferes, ensuring that the electronic equipment can obtain a stable voltage supply, thereby obtaining reliable and accurate test results.

[0049] The steady current adjustment circuit 3 is electrically connected to the input end of the current amplifier 5, the current booster 7 and the measured electric energy meter 9 in sequence, and is used to adjust the sinusoidal current to obtain a stable current, and transmit the stable current to the current amplifier 5. The steady current adjustment circuit 3 can provide a constant and adjustable current output to ensure that the load device connected to its output end is supplied with a stable current.

[0050] The voltage amplifier 4 is used to amplify the stable voltage and transmit the amplified stable voltage to the booster 6. The current amplifier 5 is used to amplify the stable current and transmit the amplified stable current to the current booster 7. The booster 6 is used to boost the amplified stable voltage to obtain the target voltage, and input the target voltage to the electric energy meter under test 8. The current booster 7 is used to boost the amplified current signal to obtain the target current, and input the target current to the electric energy meter under test 8. The use of the voltage amplifier 4, the booster 6, the current amplifier 5, and the current booster 7 can meet the needs of the high-voltage electric energy meter to be tested, and improve the applicability of the three-phase high-voltage electric energy meter test device.

[0051] The output end of the electric energy meter 8 under test is electrically connected to the standard voltage transformer 9, the standard current transformer 10 and the comparator 12, and is used to measure the target voltage and target current, obtain target measurement information, send the target measurement information to the comparator 12, and transmit the target voltage to the standard voltage transformer 9 and the target current to the standard current transformer 10.

[0052] The standard voltage transformer 9 is electrically connected to the input end of the standard electric energy meter 11, and is used to convert the target voltage to obtain the standard voltage, and input the standard voltage to the standard electric energy meter 11. The standard current transformer 10 is electrically connected to the input end of the standard electric energy meter 11, and is used to convert the target current to obtain the standard current, and input the standard current to the standard electric energy meter 11. The standard voltage transformer 9 and the standard current transformer 10 enable the electrical signal output by the three-phase generator 1 to be acquired by the standard electric energy meter 11, thereby ensuring the uniformity of the electrical signals acquired by the tested electric energy meter 8 and the standard electric energy meter 11, reducing the test error, and improving the stability and precision of the detection.

[0053] The input end of the standard electric energy meter 11 is electrically connected to the comparator 12, and is used to measure the standard voltage and standard current, obtain standard measurement information, and send the standard measurement information to the comparator 12. The electrical signal obtained by the standard electric energy meter 11 is consistent with the electric energy meter 8 under test through the standard voltage transformer 9 and the standard current transformer 10, which can reduce the measurement error and improve the detection efficiency and accuracy of the electric energy meter 8 under test.

[0054] The comparator 12 is used to compare the target measurement information with the standard measurement information to obtain the test result. It can compare the electric energy meter 8 to be tested with the standard electric energy meter 9 and directly measure the error of the electric energy meter 8 to be tested, thereby improving the test efficiency of the three-phase high-voltage electric energy meter test device.

[0055] Specifically, the device also includes a signal conversion module 13:

[0056] The signal conversion module 13 is electrically connected to the comparator 12 and the three-phase generator 1, and is used to obtain the test result of the comparator 12, convert the test result to obtain a test signal, and send the test signal to the main controller of the three-phase generator 1 to display the comparison result. The signal conversion module 13 can perform signal conversion on the test result obtained by the comparator 12, and by processing and analyzing the collected digital signal, the comparator 12 and the three-phase generator 1 can be used in conjunction to improve the stability of the detection.

[0057] Specifically, the device further includes a feedback module 14:

[0058] The feedback module 14 is electrically connected to the voltage regulating circuit 2, the current regulating circuit 3, the voltage amplifier 4, the current amplifier 5 and the standard electric energy meter 11, and is used to monitor the standard electric energy meter 11, the voltage amplifier 4, and the current amplifier 5 to obtain monitoring results. When the monitoring results indicate an abnormality, the feedback module 14 adjusts the voltage regulating circuit 2 and the current regulating circuit 3 based on the monitoring results. The feedback module 14 can monitor the three-phase high-voltage electric energy meter test device in real time. When abnormal fluctuations in the standard electric energy meter 11, the voltage amplifier 4, and the current amplifier 5 are detected, the voltage regulating circuit 2 and the current regulating circuit 3 will be adjusted accordingly to ensure that the three-phase high-voltage electric energy meter test device can work normally and accurately test the electric energy meter 8 under test.

[0059] Specifically, in order to improve the detection accuracy of the three-phase high-voltage electric energy meter test device, the standard voltage transformer 9 is 0.005 level, the standard current transformer 10 is 0.005S level, and the standard electric energy meter 11 is 0.01 level, ensuring that the high-voltage electric energy meter to be tested can also obtain accurate test results.

[0060] Specifically, the three-phase high-voltage electric energy meter test device also includes a power supply 15, which is electrically connected to the three-phase generator 1 and is used to supply power to the three-phase generator 1 to ensure that the three-phase high-voltage electric energy meter test device can work normally.

[0061] The device provided in the embodiment of the present application includes a three-phase generator, a voltage stabilization adjustment circuit, a current stabilization adjustment circuit, a voltage amplifier, a current amplifier, a voltage booster, a current booster, a measured electric energy meter, a standard voltage transformer, a standard current transformer, a standard electric energy meter and a comparator: the three-phase generator is electrically connected to the voltage stabilization adjustment circuit and the current stabilization adjustment circuit, and is used to generate a sinusoidal voltage and transmit the sinusoidal voltage to the voltage stabilization adjustment circuit, and to generate a sinusoidal current and transmit the sinusoidal current to the current stabilization adjustment circuit; the voltage stabilization adjustment circuit is electrically connected to the voltage amplifier, the voltage booster and the input end of the measured electric energy meter in sequence, and is used to adjust the sinusoidal voltage to obtain a stable voltage, and transmit the stable voltage to the voltage amplifier; the current stabilization adjustment circuit The whole circuit is electrically connected with the current amplifier, the current booster and the input end of the electric energy meter under test in sequence, and is used to adjust the sinusoidal current to obtain a stable current, and transmit the stable current to the current amplifier. The voltage amplifier is used to amplify the stable voltage and transmit the amplified stable voltage to the booster. The current amplifier is used to amplify the stable current and transmit the amplified stable current to the current booster. The booster is used to boost the amplified stable voltage to obtain a target voltage, and input the target voltage to the electric energy meter under test. The current booster is used to boost the amplified current signal to obtain a target current, and input the target current to the electric energy meter under test. The output end of the electric energy meter under test is connected to the standard voltage transformer and the standard voltage transformer. The current transformer and the comparator are electrically connected to measure the target voltage and the target current, obtain the target measurement information, send the target measurement information to the comparator, and transmit the target voltage to the standard voltage transformer, transmit the target current to the standard current transformer, the standard voltage transformer is electrically connected to the input end of the standard electric energy meter, and is used to convert the target voltage to obtain the standard voltage, and input the standard voltage to the standard electric energy meter. The standard current transformer is electrically connected to the input end of the standard electric energy meter, and is used to convert the target current to obtain the standard current, and input the standard current to the standard electric energy meter. The input end of the standard electric energy meter is electrically connected to the comparator, and is used to measure the standard voltage and the standard current. The target measurement information is obtained, and the standard measurement information is sent to the comparator. The comparator is used to compare the target measurement information with the standard measurement information to obtain the test result. The electric energy meter to be tested can be compared with the standard electric energy meter to directly measure the error of the electric energy meter to be tested. At the same time, the voltage amplifier, the booster, the current amplifier, and the current booster can meet the needs of the high-voltage electric energy meter to be tested. The standard voltage transformer and the standard current transformer are used to achieve voltage reduction. The electrical signal output by the three-phase generator can be obtained by the standard electric energy meter through the standard voltage transformer and the standard current transformer, thereby ensuring the unity of the electrical signals obtained by the tested and standard electric energy meters, reducing the test error, and improving the stability and precision of the detection.

[0062] Further, as Figure 1 The specific implementation of the device, the embodiment of the present application provides a three-phase high-voltage electric energy meter testing method, such as Figure 2As shown, the method includes:

[0063] 201. The three-phase generator generates a sinusoidal voltage and transmits the sinusoidal voltage to a voltage stabilization adjustment circuit, and generates a sinusoidal current and transmits the sinusoidal current to a current stabilization adjustment circuit.

[0064] In an embodiment of the present application, a three-phase generator generates a sinusoidal voltage and transmits the sinusoidal voltage to a voltage stabilization adjustment circuit. At the same time, the three-phase generator also generates a sinusoidal current and transmits the sinusoidal current to a current stabilization adjustment circuit. Since the three-phase generator has high balance and stability, it can be used to test equipment, optimize equipment performance, and meet the needs of special experiments, so the present application uses a three-phase generator to detect the electric energy meter under test. Moreover, the output power of the three-phase generator is large, which can meet the needs of high-power loads. The waveform of the three-phase generator is stable, the transmission loss is small, and the energy consumption is low, which can improve the detection stability of the three-phase high-voltage electric energy meter test device.

[0065] 202. The voltage regulating circuit regulates the sinusoidal voltage to obtain a stable voltage, and transmits the stable voltage to the voltage amplifier. The current regulating circuit regulates the sinusoidal current to obtain a stable current, and transmits the stable current to the current amplifier.

[0066] In an embodiment of the present application, after receiving the sinusoidal voltage, the voltage regulating adjustment circuit will adjust the sinusoidal voltage to obtain a stable voltage, and pass the stable voltage to the voltage amplifier. The voltage regulating adjustment circuit adjusts the sinusoidal voltage so that the output voltage is always maintained at a preset value, ensuring that the electric energy meter under test, the standard electric energy meter, etc. can obtain a stable voltage supply, thereby improving the detection stability and detection accuracy of the three-phase high-voltage electric energy meter test device. At the same time, after receiving the sinusoidal current, the current regulating adjustment circuit will adjust the sinusoidal current to obtain a stable current, and pass the stable current to the current amplifier. Similarly, the current regulating adjustment circuit can provide a constant and adjustable current output for the electric energy meter under test, the standard electric energy meter, etc. by adjusting the sinusoidal current, ensuring that the load device connected to its output end obtains a stable current supply, thereby improving the stability and accuracy of the detection.

[0067] 203. The voltage amplifier amplifies the stable voltage and transmits the amplified stable voltage to the booster. The current amplifier amplifies the stable current and transmits the amplified stable current to the current booster.

[0068] In the embodiment of the present application, the voltage amplifier amplifies the stable voltage and transmits the amplified stable voltage to the booster, while the current amplifier amplifies the stable current and transmits the amplified stable current to the booster. The voltage amplifier and the current amplifier are used to amplify the stable voltage and the stable current respectively, which can meet the needs of the high-voltage electric energy meter to be tested, thereby improving the detection accuracy of the three-phase high-voltage electric energy meter test device for the high-voltage electric energy meter to be tested, and improving the applicability of the three-phase high-voltage electric energy meter test device.

[0069] 204. The booster boosts the amplified stable voltage to obtain a target voltage, and inputs the target voltage to the electric energy meter under test. The current booster boosts the amplified current signal to obtain a target current, and inputs the target current to the electric energy meter under test.

[0070] In the embodiment of the present application, the booster boosts the amplified stable voltage to obtain the target voltage, and inputs the target voltage to the electric energy meter under test. At the same time, the current booster boosts the amplified current signal to obtain the target current, and inputs the target current to the electric energy meter under test. On the basis of using the voltage amplifier and the current amplifier, the booster and the current booster are used to perform the voltage boost and current boost operations respectively, which can further meet the needs of the high-voltage electric energy meter to be tested, thereby further improving the detection accuracy of the three-phase high-voltage electric energy meter test device for the high-voltage electric energy meter to be tested, and improving the applicability of the three-phase high-voltage electric energy meter test device.

[0071] 205. The electric energy meter under test measures the target voltage and the target current to obtain target measurement information, sends the target measurement information to the comparator, and transmits the target voltage to the standard voltage transformer and the target current to the standard current transformer.

[0072] In the embodiment of the present application, the electric energy meter under test measures the target voltage and target current, obtains the target measurement information, and sends the target measurement information to the comparator. It should be noted that after adjustment and processing by the voltage stabilization adjustment circuit, the voltage amplifier, the booster, the current stabilization adjustment circuit, the current amplifier, and the current booster, the target current and target voltage obtained can meet the electric energy meter under test, regardless of whether the electric energy meter under test is a low-voltage electric energy meter or a high-voltage electric energy meter, the three-phase high-voltage electric energy meter test device can accurately detect it. At the same time, the electric energy meter under test transmits the target voltage to the standard voltage transformer and the target current to the standard current transformer, so that the electrical signal output by the three-phase generator can be obtained by the standard electric energy meter through the standard voltage transformer and the standard current transformer.

[0073] 206. The standard voltage transformer converts the target voltage to obtain the standard voltage, and inputs the standard voltage into the standard electric energy meter. The standard current transformer converts the target current to obtain the standard current, and inputs the standard current into the standard electric energy meter.

[0074] In an embodiment of the present application, after the standard voltage transformer receives the target voltage, it will convert the target voltage to obtain a standard voltage, and input the standard voltage into a standard electric energy meter. The standard voltage transformer can convert a high voltage into a low voltage so that the standard electric energy meter can measure it. Moreover, in order to improve the detection accuracy of the three-phase high-voltage electric energy meter test device, the standard voltage transformer used in this application is 0.005 level, which ensures that high-precision measurements can be completed, and can also work safely and reliably under high-voltage environments to reduce danger. At the same time, after the standard current transformer receives the target current, it will convert the target current to obtain a standard current, and input the standard current into a standard electric energy meter. Similarly, the standard current transformer of 0.005S level used in this application can not only work safely and reliably under high-voltage environments, but also ensure high accuracy when in a very small range, thereby improving the detection accuracy and stability of the three-phase high-voltage electric energy meter test device.

[0075] 207. The standard electric energy meter measures the standard voltage and the standard current to obtain standard measurement information, and sends the standard measurement information to the comparator. The comparator compares the target measurement information with the standard measurement information to obtain a test result.

[0076] In an embodiment of the present application, the standard electric energy meter measures the standard voltage and standard current to obtain standard measurement information, and sends the standard measurement information to the comparator, wherein the standard electric energy meter is at level 0.01. It should be noted that the electrical signal output by the three-phase generator can be obtained by the standard electric energy meter through the standard voltage transformer and the standard current transformer, ensuring that the electrical signals obtained by the tested electric energy meter and the standard electric energy meter are unified, thereby reducing the test error and improving the stability and precision of the detection. Then, the comparator compares the target measurement information with the standard measurement information to obtain the test result. Optionally, the comparator can calculate the difference between the test voltage of the tested electric energy meter and the standard voltage of the standard electric energy meter as the voltage measurement error of the tested electric energy meter, and at the same time calculate the difference between the test current of the tested electric energy meter and the standard current of the standard electric energy meter as the current test error of the tested electric energy meter, and use the voltage measurement error and the current test error as the test result of the tested electric energy meter.

[0077] 208. The signal conversion module obtains the test result of the comparator, converts the test result to obtain a test signal, and sends the test signal to the main controller of the three-phase generator. The main controller of the three-phase generator receives the test signal and displays the test signal.

[0078] In an embodiment of the present application, the signal conversion module obtains the test result of the comparator, converts the test result, obtains the test signal, and sends the test signal to the main controller of the three-phase generator. Then, the main controller of the three-phase generator receives the test signal and displays the test signal. It should be noted that the signal conversion process of the signal conversion module refers to the process of converting a signal from one form to another form. The purpose of the signal conversion process is to extract useful information from the signal number and perform corresponding processing and optimization, wherein the signal processing can be divided into two types: time domain processing and frequency domain processing. Further, the signal conversion module performs signal output, which means converting the collected and processed signal into a recognizable form and outputting it to the main controller of the three-phase generator for display. Optionally, the signal output can be presented in the form of images, sounds, text, etc., wherein the image output is to convert the test results into an image form and send it to the main controller of the three-phase generator for display, the sound output is to convert the test results into a sound form and send it to the main controller of the three-phase generator for playback, and the text output is to convert the test results into a text form and send it to the main controller of the three-phase generator for display, thereby meeting the user's use requirements for the three-phase high-voltage electric energy meter test device. Therefore, through the processing of the signal conversion module, clear, accurate and easy-to-understand detection results of the tested electric energy meter can be output, thereby improving the applicability and detection efficiency of the three-phase high-voltage electric energy meter test device.

[0079] 209. The feedback module monitors the standard electric energy meter, the voltage amplifier, and the current amplifier to obtain monitoring results. When the monitoring results indicate an abnormality, the feedback module adjusts the voltage regulating circuit and the current regulating circuit based on the monitoring results.

[0080] In an embodiment of the present application, the feedback module will continuously monitor the standard electric energy meter, the voltage amplifier, and the current amplifier to obtain monitoring results. When the monitoring results indicate an abnormality, the feedback module will adjust the voltage stabilization adjustment circuit and the current stabilization adjustment circuit based on the monitoring results. Optionally, when the feedback module detects that the output value of the standard electric energy meter fluctuates or is abnormal, the voltage stabilization adjustment circuit and the current stabilization adjustment circuit will be adjusted until the output value of the standard electric energy meter returns to normal. When the feedback module detects that the electrical signal in the current amplifier or the voltage amplifier is abnormal or fluctuates violently, the voltage stabilization adjustment circuit and the current stabilization adjustment circuit will also be adjusted until the electrical signal in the current amplifier or the voltage amplifier returns to normal, so that when an abnormality occurs in the three-phase high-voltage electric energy meter test device, timely adjustments are made to ensure that the three-phase high-voltage electric energy meter test device can continue to work stably.

[0081] The method provided in the embodiment of the present application is applied to a three-phase high-voltage electric energy meter test device, wherein the three-phase generator generates a sinusoidal voltage and transmits the sinusoidal voltage to a voltage stabilization adjustment circuit, and generates a sinusoidal current and transmits the sinusoidal current to a current stabilization adjustment circuit, wherein the voltage stabilization adjustment circuit adjusts the sinusoidal voltage to obtain a stable voltage, which is transmitted to a voltage amplifier, wherein the current stabilization adjustment circuit adjusts the sinusoidal current to obtain a stable current, which is transmitted to a current amplifier, wherein the voltage amplifier amplifies the stable voltage and transmits the amplified stable voltage to a booster, wherein the current amplifier amplifies the stable current and transmits the amplified stable current to a current booster, wherein the booster boosts the amplified stable voltage to obtain a target voltage, and inputs the target voltage to the electric energy meter under test, wherein the current booster boosts the amplified current signal to obtain a target current, and inputs the target current ... The target voltage and target current are measured and input into the electric energy meter under test, the electric energy meter under test measures the target voltage and target current to obtain target measurement information, sends the target measurement information to the comparator, and transmits the target voltage to the standard voltage transformer, and transmits the target current to the standard current transformer. The standard voltage transformer converts the target voltage to obtain the standard voltage, and inputs the standard voltage into the standard electric energy meter. The standard current transformer converts the target current to obtain the standard current, and inputs the standard current into the standard electric energy meter. The standard electric energy meter measures the standard voltage and standard current to obtain standard measurement information, and sends the standard measurement information to the comparator. The comparator compares the target measurement information with the standard measurement information to obtain the test result, wherein the standard voltage transformer is 0.005 level, the standard current transformer is 0.005S level, and the standard electric energy meter is 0.01 level. By electrically connecting the output end of the electric energy meter to be tested and the output end of the standard electric energy meter to the comparator at the same time, the electric energy meter to be tested and the standard electric energy meter can be compared, and the error of the electric energy meter to be tested can be directly measured. At the same time, the voltage amplifier, the booster, the current amplifier, and the current booster can meet the needs of the high-voltage electric energy meter to be tested. The standard voltage transformer and the standard current transformer are used to achieve voltage reduction. The electrical signal output by the three-phase generator can be obtained by the standard electric energy meter through the standard voltage transformer and the standard current transformer, ensuring the unity of the electrical signals obtained by the tested and standard electric energy meters, reducing test errors, and improving the stability and precision of detection.

[0082] It should be noted that the technical features of the above embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0083] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

[0084] In an exemplary embodiment, see Figure 3 , and also provides a device, which includes a bus, a processor, a memory and a communication interface, and may also include an input and output interface and a display device, wherein each functional unit can communicate with each other through the bus. The memory stores a computer program, and the processor is used to execute the program stored in the memory and execute the three-phase high-voltage electric energy meter test method in the above embodiment.

[0085] A readable storage medium stores a computer program, which implements the steps of the three-phase high-voltage electric energy meter testing method when executed by a processor.

[0086] Through the description of the above implementation methods, those skilled in the art can clearly understand that the present application can be implemented by hardware, or by means of software plus a necessary general hardware platform. Based on such an understanding, the technical solution of the present application can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a USB flash drive, a mobile hard disk, etc.), including a number of instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each implementation scenario of the present application.

[0087] Those skilled in the art will appreciate that the accompanying drawings are merely schematic diagrams of a preferred implementation scenario, and the modules or processes in the accompanying drawings are not necessarily required for implementing the present application.

[0088] Those skilled in the art will appreciate that the modules in the device in the implementation scenario can be distributed in the device in the implementation scenario according to the implementation scenario description, or can be changed accordingly and located in one or more devices different from the implementation scenario. The modules in the above implementation scenario can be combined into one module, or can be further split into multiple sub-modules.

[0089] The above application serial numbers are for description only and do not represent the advantages or disadvantages of the implementation scenarios.

[0090] The above disclosure only discloses several specific implementation scenarios of the present application. However, the present application is not limited thereto, and any changes that can be conceived by technicians in this field should fall within the scope of protection of the present application.

Claims

1. A three-phase high-voltage electric energy meter testing device, characterized in that: It includes a three-phase generator, a voltage regulating circuit, a current regulating circuit, a voltage amplifier, a current amplifier, a voltage booster, a current booster, a measured electric energy meter, a standard voltage transformer, a standard current transformer, a standard electric energy meter and a comparator: The three-phase generator is electrically connected to the voltage stabilization adjustment circuit and the current stabilization adjustment circuit, and is used to generate a sinusoidal voltage and transmit the sinusoidal voltage to the voltage stabilization adjustment circuit, and to generate a sinusoidal current and transmit the sinusoidal current to the current stabilization adjustment circuit; The voltage regulating circuit is electrically connected to the voltage amplifier, the booster and the input end of the electric energy meter to be measured in sequence, and is used to regulate the sinusoidal voltage to obtain a stable voltage, and transmit the stable voltage to the voltage amplifier; The current regulating circuit is electrically connected to the current amplifier, the current booster and the input end of the electric energy meter to be measured in sequence, and is used to regulate the sinusoidal current to obtain a stable current, and transmit the stable current to the current amplifier; The voltage amplifier is used to amplify the stable voltage and transmit the amplified stable voltage to the booster; The current amplifier is used to amplify the stable current and transmit the amplified stable current to the current booster; The booster is used to boost the amplified stable voltage to obtain a target voltage, and input the target voltage to the measured electric energy meter; The current booster is used to boost the amplified current signal to obtain a target current, and input the target current into the electric energy meter under test; The output end of the electric energy meter under test is electrically connected to the standard voltage transformer, the standard current transformer and the comparator, and is used to measure the target voltage and the target current, obtain target measurement information, send the target measurement information to the comparator, and transmit the target voltage to the standard voltage transformer and transmit the target current to the standard current transformer; The standard voltage transformer is electrically connected to the input end of the standard electric energy meter, and is used to convert the target voltage to obtain a standard voltage, and input the standard voltage into the standard electric energy meter; The standard current transformer is electrically connected to the input end of the standard electric energy meter, and is used to convert the target current to obtain a standard current, and input the standard current into the standard electric energy meter; The input end of the standard electric energy meter is electrically connected to the comparator, and is used to measure the standard voltage and the standard current to obtain standard measurement information, and send the standard measurement information to the comparator; The comparator is used to compare the target measurement information with the standard measurement information to obtain a test result.

2. The device according to claim 1, characterized in that The three-phase high-voltage electric energy meter testing device also includes a signal conversion module: The signal conversion module is electrically connected to the comparator and the three-phase generator, and is used to obtain the test result of the comparator, convert the test result to obtain a test signal, and send the test signal to the main controller of the three-phase generator.

3. The device according to claim 1, characterized in that The three-phase high-voltage electric energy meter testing device also includes a feedback module: The feedback module is electrically connected to the voltage stabilization adjustment circuit, the current stabilization adjustment circuit, the voltage amplifier, the current amplifier and the standard electric energy meter, and is used to monitor the standard electric energy meter, the voltage amplifier and the current amplifier to obtain monitoring results. When the monitoring results indicate an abnormality, the feedback module adjusts the voltage stabilization adjustment circuit and the current stabilization adjustment circuit based on the monitoring results.

4. The device according to claim 1, characterized in that The standard voltage transformer is of level 0.005, the standard current transformer is of level 0.005S, and the standard electric energy meter is of level 0.

01.

5. The device according to claim 1, characterized in that The three-phase high-voltage electric energy meter testing device also includes a power supply, which is electrically connected to the three-phase generator and is used to supply power to the three-phase generator.

6. A three-phase high-voltage electric energy meter testing method, characterized in that: The three-phase high-voltage electric energy meter test device includes: The three-phase generator generates a sinusoidal voltage and transmits the sinusoidal voltage to a voltage regulation circuit, and generates a sinusoidal current and transmits the sinusoidal current to a current regulation circuit; The voltage-stabilizing adjustment circuit adjusts the sinusoidal voltage to obtain a stable voltage, and transmits the stable voltage to the voltage amplifier; the current-stabilizing adjustment circuit adjusts the sinusoidal current to obtain a stable current, and transmits the stable current to the current amplifier; The voltage amplifier amplifies the stable voltage and transmits the amplified stable voltage to the voltage booster, and the current amplifier amplifies the stable current and transmits the amplified stable current to the current booster; The voltage booster boosts the amplified stable voltage to obtain a target voltage, and inputs the target voltage to the electric energy meter under test; the current booster boosts the amplified current signal to obtain a target current, and inputs the target current to the electric energy meter under test; The electric energy meter under test measures the target voltage and the target current to obtain target measurement information, sends the target measurement information to a comparator, and transmits the target voltage to a standard voltage transformer and transmits the target current to a standard current transformer; The standard voltage transformer converts the target voltage to obtain a standard voltage, and inputs the standard voltage into a standard electric energy meter. The standard current transformer converts the target current to obtain a standard current, and inputs the standard current into the standard electric energy meter. The standard voltage transformer is of 0.005 grade, and the standard current transformer is of 0.005S grade. The standard electric energy meter measures the standard voltage and the standard current to obtain standard measurement information, and sends the standard measurement information to the comparator. The comparator compares the target measurement information with the standard measurement information to obtain a test result. The standard electric energy meter is level 0.

01.

7. The method according to claim 6, characterized in that The method further comprises: The signal conversion module obtains the test result of the comparator, converts the test result to obtain a test signal, and sends the test signal to the main controller of the three-phase generator; The main controller of the three-phase generator receives the test signal and displays the test signal.

8. The method according to claim 6, characterized in that The method further comprises: The feedback module monitors the standard electric energy meter, the voltage amplifier, and the current amplifier to obtain monitoring results; When the monitoring result indicates an abnormality, the feedback module adjusts the voltage stabilization adjustment circuit and the current stabilization adjustment circuit based on the monitoring result.

9. A device comprising a memory and a processor, wherein the memory stores a computer program, characterized in that: When the processor executes the computer program, the steps of the method according to any one of claims 6 to 8 are implemented.

10. A readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the method according to any one of claims 6 to 8 are implemented.

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