CN113219394A - Mutual inductor electrical performance test control method, device, equipment and storage medium - Google Patents
Mutual inductor electrical performance test control method, device, equipment and storage medium Download PDFInfo
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- CN113219394A CN113219394A CN202110772309.2A CN202110772309A CN113219394A CN 113219394 A CN113219394 A CN 113219394A CN 202110772309 A CN202110772309 A CN 202110772309A CN 113219394 A CN113219394 A CN 113219394A
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Abstract
The invention discloses a mutual inductor electrical performance test control method, a device, equipment and a storage medium, wherein a test current and a test voltage are determined according to a test operation mode of a mutual inductor by obtaining the test operation mode; controlling the mutual inductor to perform boosting and current rising at different time according to the test current and the test voltage to obtain corresponding test data; the transformer error value is determined according to the test data, whether the transformer is qualified or not is judged according to the transformer error value, the operation steps of the transformer electrical performance test can be simplified, the transformer test can be carried out more quickly, conveniently and conveniently, the test control work efficiency is improved, the reliability of the transformer test control is guaranteed, the safety and the accuracy are improved, the labor consumption and the time consumption of monitoring are reduced, and the speed and the efficiency of transformer detection are improved.
Description
Technical Field
The invention relates to the technical field of electrical equipment detection, in particular to a mutual inductor electrical performance test control method, a device, equipment and a storage medium.
Background
At present, the electronic transformer has faults under certain severe weather conditions, and the influence of the weather factors is obvious, so that the accuracy of the electronic transformer in the full voltage and full current range is difficult to ensure. In order to solve the accuracy and stability of the electronic transformer under severe weather conditions, the electronic transformer electrified detection and assessment platform is established, and errors of the electronic transformer under various working states can be detected for a long time.
At present, a transformer operation characteristic assessment platform based on environmental influence exists, but electronic transformers which operate in a long-term live mode have many devices and switches, the requirements on accuracy and stability are high, the operation control is very complicated, the working efficiency is low, the safety is low during manual operation, voltage and current cannot be accurately lifted on time, and a large amount of manpower and time are consumed.
Disclosure of Invention
The invention mainly aims to provide a method, a device, equipment and a storage medium for controlling an electrical performance test of a mutual inductor, and aims to solve the technical problems that the mutual inductor in the prior art is very complicated in operation control, low in working efficiency, low in safety during manual operation, incapable of accurately lifting voltage and current on time and consuming a large amount of labor and time.
In a first aspect, the invention provides a method for controlling an electrical performance test of a mutual inductor, which comprises the following steps:
acquiring a test operation mode of the mutual inductor, and determining a test current and a test voltage according to the test operation mode;
controlling the mutual inductor to perform boosting and current rising at different time according to the test current and the test voltage to obtain corresponding test data;
and determining an error value of the mutual inductor according to the test data, and judging whether the mutual inductor is qualified or not according to the error value of the mutual inductor.
Optionally, the obtaining a test operation mode of the transformer, and determining a test current and a test voltage according to the test operation mode includes:
acquiring a test operation mode of the mutual inductor;
when the test operation mode is a comparison mode, controlling the mutual inductor to cut out a test line, and determining a test current and a test voltage;
and when the test operation mode is the calibration mode, controlling the mutual inductor to be connected into a test circuit, and determining test current and test voltage.
Optionally, when the test operation mode is a comparison mode, controlling the transformer to cut out a test line, and determining a test current and a test voltage, including:
when the test operation mode is a comparison mode, controlling the mutual inductor to cut out a test line;
when the test current is the preset virtual power current, controlling partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage;
when the test current is the preset real power current, the high-voltage current booster is disconnected, and part of output switches of the current controller are controlled to be closed and opened, so that the test current and the test voltage are determined;
and when the test current is the preset virtual and real power current, controlling the partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage.
Optionally, when the test operation mode is a calibration mode, controlling the transformer to access a test line, and determining a test current and a test voltage, including:
when the test operation mode is a calibration mode, controlling the mutual inductor to be connected into a test circuit;
when the test current is the preset virtual power current, controlling partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage;
when the test current is the preset real power current, the high-voltage current booster is disconnected, and part of output switches of the current controller are controlled to be closed and opened, so that the test current and the test voltage are determined;
and when the test current is the preset virtual and real power current, controlling the partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage.
Optionally, the controlling, according to the test current and the test voltage, the transformer to perform voltage boosting and current boosting at different times to obtain corresponding test data includes:
acquiring test current values and test voltage values corresponding to the levels of the mutual inductor in different time;
and controlling the mutual inductor to boost and flow according to the test current value and the test voltage value, and acquiring corresponding test data.
Optionally, the obtaining the test current value and the test voltage value corresponding to the level of the transformer in different time includes:
acquiring the grade, the rated voltage and the rated current of the mutual inductor;
inquiring the test voltage proportion and the test current proportion in different time according to a preset test working condition table;
determining a test voltage value according to the test voltage proportion and the rated voltage value;
and determining a test current value according to the test current proportion and the rated current value.
Optionally, the determining an error value of the transformer according to the test data, and determining whether the transformer is qualified according to the error value of the transformer includes:
acquiring sample voltage data of a standard voltage transformer and sample current data of the standard current transformer;
comparing the voltage data in the test data with the sample voltage data, calculating to obtain a voltage error value, comparing the current data in the test data with the sample current data, and calculating to obtain a current error value;
comparing the voltage error value and the current error value with a preset error threshold respectively, and judging that the mutual inductor is qualified when the voltage error value and the current error value are both smaller than the preset error threshold;
and when the voltage error value and/or the current error value are not smaller than a preset error threshold value, determining that the mutual inductor is unqualified.
In a second aspect, to achieve the above object, the present invention further provides a device for testing and controlling electrical performance of a transformer, where the device for testing and controlling electrical performance of a transformer includes:
the acquisition module is used for acquiring a test operation mode of the mutual inductor and determining a test current and a test voltage according to the test operation mode;
the voltage boosting and current boosting module is used for controlling the mutual inductor to perform voltage boosting and current boosting at different time according to the test current and the test voltage so as to obtain corresponding test data;
and the judging module is used for determining an error value of the mutual inductor according to the test data and judging whether the mutual inductor is qualified or not according to the error value of the mutual inductor.
In order to achieve the above object, the present invention further provides a device for testing and controlling electrical performance of a transformer, where the device for testing and controlling electrical performance of a transformer comprises: the instrument transformer electrical performance test control method comprises a memory, a processor and an instrument transformer electrical performance test control program stored on the memory and operable on the processor, wherein the instrument transformer electrical performance test control program is configured to realize the steps of the instrument transformer electrical performance test control method.
In a fourth aspect, to achieve the above object, the present invention further provides a storage medium, on which a mutual inductor electrical performance test control program is stored, and the mutual inductor electrical performance test control program, when executed by a processor, implements the steps of the mutual inductor electrical performance test control method as described above.
According to the electric performance test control method of the mutual inductor, the test operation mode of the mutual inductor is obtained, and the test current and the test voltage are determined according to the test operation mode; controlling the mutual inductor to perform boosting and current rising at different time according to the test current and the test voltage to obtain corresponding test data; the transformer error value is determined according to the test data, whether the transformer is qualified or not is judged according to the transformer error value, the operation steps of the transformer electrical performance test can be simplified, the transformer test can be carried out more quickly, conveniently and conveniently, the test control work efficiency is improved, the reliability of the transformer test control is guaranteed, the safety and the accuracy are improved, the labor consumption and the time consumption of monitoring are reduced, and the speed and the efficiency of transformer detection are improved.
Drawings
FIG. 1 is a schematic diagram of an apparatus architecture of a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a first embodiment of a method for testing and controlling the electrical performance of a transformer according to the present invention;
FIG. 3 is a schematic flow chart of a second embodiment of a method for testing and controlling the electrical performance of a transformer according to the present invention;
FIG. 4 is a schematic flow chart of a method for testing and controlling electrical performance of a transformer according to a third embodiment of the present invention;
FIG. 5 is a schematic flow chart of a fourth embodiment of a method for testing and controlling electrical performance of a transformer according to the present invention;
FIG. 6 is a schematic flow chart of a fifth embodiment of a method for testing and controlling electrical performance of a transformer according to the present invention;
FIG. 7 is a schematic flow chart of a sixth embodiment of a method for testing and controlling electrical performance of a transformer according to the present invention;
fig. 8 is a functional block diagram of the first embodiment of the instrument transformer electrical performance test control device of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The solution of the embodiment of the invention is mainly as follows: determining a test current and a test voltage according to a test operation mode of the mutual inductor by obtaining the test operation mode; controlling the mutual inductor to perform boosting and current rising at different time according to the test current and the test voltage to obtain corresponding test data; according to the mutual inductor error value is determined according to the test data, whether the mutual inductor is qualified or not is judged according to the mutual inductor error value, the operation steps of the mutual inductor electrical performance test can be simplified, the mutual inductor test can be carried out more quickly and conveniently, the test control working efficiency is improved, the reliability of the mutual inductor test control is ensured, the safety and the accuracy are improved, the manpower consumption and the time consumption of monitoring are reduced, the speed and the efficiency of mutual inductor detection are improved, the problems that in the prior art, the mutual inductor test operation control is very tedious in aspect, the working efficiency is low, the safety is low during manual operation, the voltage and the current cannot be accurately lifted on time, and a large amount of manpower and time are consumed are solved.
Referring to fig. 1, fig. 1 is a schematic device structure diagram of a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 1, the apparatus may include: a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., a Wi-Fi interface). The Memory 1005 may be a high-speed RAM Memory or a Non-Volatile Memory (Non-Volatile Memory), such as a disk Memory. The memory 1005 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the configuration of the apparatus shown in fig. 1 is not intended to be limiting of the apparatus and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a memory 1005 as a storage medium may include therein an operating system, a network communication module, a user interface module, and a transformer electrical performance test control program.
The device calls a mutual inductor electrical performance test control program stored in a memory 1005 through a processor 1001, and executes the following operations:
acquiring a test operation mode of the mutual inductor, and determining a test current and a test voltage according to the test operation mode;
controlling the mutual inductor to perform boosting and current rising at different time according to the test current and the test voltage to obtain corresponding test data;
and determining an error value of the mutual inductor according to the test data, and judging whether the mutual inductor is qualified or not according to the error value of the mutual inductor.
The apparatus of the present invention calls, by the processor 1001, the transformer electrical performance test control program stored in the memory 1005, and also performs the following operations:
acquiring a test operation mode of the mutual inductor;
when the test operation mode is a comparison mode, controlling the mutual inductor to cut out a test line, and determining a test current and a test voltage;
and when the test operation mode is the calibration mode, controlling the mutual inductor to be connected into a test circuit, and determining test current and test voltage.
The apparatus of the present invention calls, by the processor 1001, the transformer electrical performance test control program stored in the memory 1005, and also performs the following operations:
when the test operation mode is a comparison mode, controlling the mutual inductor to cut out a test line;
when the test current is the preset virtual power current, controlling partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage;
when the test current is the preset real power current, the high-voltage current booster is disconnected, and part of output switches of the current controller are controlled to be closed and opened, so that the test current and the test voltage are determined;
and when the test current is the preset virtual and real power current, controlling the partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage.
The apparatus of the present invention calls, by the processor 1001, the transformer electrical performance test control program stored in the memory 1005, and also performs the following operations:
when the test operation mode is a calibration mode, controlling the mutual inductor to be connected into a test circuit;
when the test current is the preset virtual power current, controlling partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage;
when the test current is the preset real power current, the high-voltage current booster is disconnected, and part of output switches of the current controller are controlled to be closed and opened, so that the test current and the test voltage are determined;
and when the test current is the preset virtual and real power current, controlling the partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage.
The apparatus of the present invention calls, by the processor 1001, the transformer electrical performance test control program stored in the memory 1005, and also performs the following operations:
acquiring test current values and test voltage values corresponding to the levels of the mutual inductor in different time;
and controlling the mutual inductor to boost and flow according to the test current value and the test voltage value, and acquiring corresponding test data.
The apparatus of the present invention calls, by the processor 1001, the transformer electrical performance test control program stored in the memory 1005, and also performs the following operations:
acquiring the grade, the rated voltage and the rated current of the mutual inductor;
inquiring the test voltage proportion and the test current proportion in different time according to a preset test working condition table;
determining a test voltage value according to the test voltage proportion and the rated voltage value;
and determining a test current value according to the test current proportion and the rated current value.
The apparatus of the present invention calls, by the processor 1001, the transformer electrical performance test control program stored in the memory 1005, and also performs the following operations:
acquiring sample voltage data of a standard voltage transformer and sample current data of the standard current transformer;
comparing the voltage data in the test data with the sample voltage data, calculating to obtain a voltage error value, comparing the current data in the test data with the sample current data, and calculating to obtain a current error value;
comparing the voltage error value and the current error value with a preset error threshold respectively, and judging that the mutual inductor is qualified when the voltage error value and the current error value are both smaller than the preset error threshold;
and when the voltage error value and/or the current error value are not smaller than a preset error threshold value, determining that the mutual inductor is unqualified.
According to the scheme, the test current and the test voltage are determined according to the test operation mode by obtaining the test operation mode of the mutual inductor; controlling the mutual inductor to perform boosting and current rising at different time according to the test current and the test voltage to obtain corresponding test data; the transformer error value is determined according to the test data, whether the transformer is qualified or not is judged according to the transformer error value, the operation steps of the transformer electrical performance test can be simplified, the transformer test can be carried out more quickly, conveniently and conveniently, the test control work efficiency is improved, the reliability of the transformer test control is guaranteed, the safety and the accuracy are improved, the labor consumption and the time consumption of monitoring are reduced, and the speed and the efficiency of transformer detection are improved.
Based on the hardware structure, the embodiment of the electric performance test control method of the mutual inductor is provided.
Referring to fig. 2, fig. 2 is a schematic flow chart of a first embodiment of a mutual inductor electrical performance test control method according to the present invention.
In a first embodiment, the method for controlling the electrical performance test of the mutual inductor comprises the following steps:
and S10, acquiring a test operation mode of the mutual inductor, and determining a test current and a test voltage according to the test operation mode.
It should be noted that the test operation mode of the transformer is a preset electrical performance test control mode, and different test operation modes correspond to different test currents and test voltages.
And step S20, controlling the mutual inductor to perform voltage boosting and current rising at different time according to the test current and the test voltage, and acquiring corresponding test data.
It should be noted that the mutual inductor may be controlled to perform the boosting operation in different test time periods by the test current and the test voltage, so as to obtain corresponding test data, where the test time may be a certain time period of a specified date or a combination of multiple time periods, which is not limited in this embodiment.
And step S30, determining a transformer error value according to the test data, and judging whether the transformer is qualified or not according to the transformer error value.
It should be noted that, an error between the transformer and the standard test data set in anticipation can be determined through the test data, so as to determine whether the tested transformer is a qualified transformer according to whether the error is large or not.
According to the scheme, the test current and the test voltage are determined according to the test operation mode by obtaining the test operation mode of the mutual inductor; controlling the mutual inductor to perform boosting and current rising at different time according to the test current and the test voltage to obtain corresponding test data; the transformer error value is determined according to the test data, whether the transformer is qualified or not is judged according to the transformer error value, the operation steps of the transformer electrical performance test can be simplified, the transformer test can be carried out more quickly, conveniently and conveniently, the test control work efficiency is improved, the reliability of the transformer test control is guaranteed, the safety and the accuracy are improved, the labor consumption and the time consumption of monitoring are reduced, and the speed and the efficiency of transformer detection are improved.
Further, fig. 3 is a schematic flow chart of a second embodiment of the electrical performance test control method for the transformer according to the present invention, and as shown in fig. 3, the second embodiment of the electrical performance test control method for the transformer according to the present invention is proposed based on the first embodiment, in this embodiment, the step S10 specifically includes the following steps:
and step S11, obtaining a test operation mode of the mutual inductor.
It should be noted that the test operation mode of the mutual inductor can be obtained by analyzing the current platform information of the examination platform for the electrical performance test control of the mutual inductor.
And step S12, when the test operation mode is a comparison mode, controlling the mutual inductor to cut out a test line, and determining test current and test voltage.
The mutual inductor live examination platform comprises a comparison mode, a standard mutual inductor comparison mode and a comparison mode, wherein the comparison mode is a main detection mode when the mutual inductor live examination platform operates and detects and is used for collecting and analyzing test article operation data and error data, a test line is cut out of the standard mutual inductor when the comparison mode is performed, and the mutual inductor comparison mode can be controlled to cut out the test line to determine test current and test voltage when the comparison mode is performed.
And step S13, when the test operation mode is the calibration mode, controlling the mutual inductor to be connected to a test line, and determining test current and test voltage.
It should be understood that the calibration mode is an auxiliary detection mode when the transformer electrified assessment platform operates and detects, and is mainly used for calibration of a reference standard and judgment and analysis of platform abnormal conditions; and when the test operation mode is the calibration mode, the mutual inductor can be controlled to be connected into a test circuit, and test current and test voltage are determined.
According to the scheme, the test operation mode of the mutual inductor is obtained; when the test operation mode is a comparison mode, controlling the mutual inductor to cut out a test line, and determining a test current and a test voltage; when the test operation mode is the calibration mode, the mutual inductor is controlled to be connected into a test circuit, test current and test voltage are determined, the test current and the test voltage can be determined according to the test operation mode in a targeted mode, mutual inductor tests can be performed more quickly and conveniently, and accuracy of test data is improved.
Further, fig. 4 is a schematic flow chart of a third embodiment of a method for testing and controlling electrical performance of a transformer according to the present invention, and as shown in fig. 4, the third embodiment of the method for testing and controlling electrical performance of a transformer according to the present invention is proposed based on the second embodiment, in this embodiment, the step S12 specifically includes the following steps:
and S121, controlling the mutual inductor to cut out a test line when the test operation mode is a comparison mode.
It should be noted that, when the test operation mode is the comparison mode, the transformer may be controlled to cut out a test line, and according to the composition of the test current, the method may be divided into three modes of combining virtual power current, real power current, and virtual and real power current.
And S122, when the test current is the preset virtual power current, controlling the partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage.
It should be understood that when the test current is the preset virtual power current, part of the output switches of the current controller can be controlled to be closed and opened, so as to determine the test current and the test voltage, for example, when the output switches of the current controllers 2, 3, 4, 5 and 6 are provided, the switch No. 2 is controlled to be closed, and the switches No. 3, 4, 5 and 6 are controlled to be opened.
And S123, when the test current is the preset real power current, disconnecting the high-voltage current booster, controlling partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage.
It can be understood that when the test current is the preset real power current, the high-voltage current booster can be timely disconnected, so that part of output switches of the current controller are controlled to be closed and opened, and the test current and the test voltage are determined; for example, when the output switches of the current controllers 2, 3, 4, 5 and 6 are available, the switches 2 and 3 are controlled to be closed, the switches 4, 5 and 6 are controlled to be opened, and the high-voltage current booster is disconnected.
And step S124, when the test current is the preset virtual and real power current, controlling the partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage.
It should be understood that when the test current is the preset virtual and real power current, part of the output switches may be controlled to be closed and opened to determine the test current and the test voltage, for example, when there are output switches of current controllers 2, 3, 4, 5 and 6, switches 2 and 3 may be controlled to be closed, and switches 4, 5 and 6 may be controlled to be opened, and the test current is the sum of the real power current and the virtual power current.
According to the scheme, when the test operation mode is the comparison mode, the mutual inductor is controlled to cut out a test line; when the test current is the preset virtual power current, controlling partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage; when the test current is the preset real power current, the high-voltage current booster is disconnected, and part of output switches of the current controller are controlled to be closed and opened, so that the test current and the test voltage are determined; when the test current is the preset virtual and real power current, part of output switches of the current controller are controlled to be switched on and off, the test current and the test voltage are determined, the test current and the test voltage can be determined according to the test operation mode in a targeted mode, the mutual inductor test can be performed more quickly and conveniently, and the accuracy of test data is improved.
Further, fig. 5 is a schematic flow chart of a fourth embodiment of a method for testing and controlling electrical performance of a transformer according to the present invention, and as shown in fig. 5, the fourth embodiment of the method for testing and controlling electrical performance of a transformer according to the present invention is proposed based on the second embodiment, in this embodiment, the step S13 specifically includes the following steps:
and S131, controlling the mutual inductor to be connected into a test line when the test operation mode is a calibration mode.
It should be noted that the calibration mode is an auxiliary detection mode when the transformer live examination platform operates and detects, and is mainly used for calibration of a reference standard and judgment and analysis of platform abnormal conditions; when the test operation mode is the calibration mode, the standard mutual inductor is connected to a test circuit and can be divided into three modes of combining virtual power current, real power current and virtual and real power current according to the composition of test current.
And S132, when the test current is the preset virtual power current, controlling the partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage.
It can be understood that when the test current is the preset virtual power current, part of the output switches of the current controller can be controlled to be closed and opened, so as to determine the test current and the test voltage, for example, when there are output switches No. 2, 3, 4, 5 and 6 of the current controller, switches No. 3, 4, 5 and 6 are controlled to be closed, and switch No. 2 is controlled to be opened.
And S133, when the test current is the preset real power current, disconnecting the high-voltage current booster, controlling the partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage.
It should be understood that when the test current is the preset real power current, the high-voltage current booster can be timely disconnected, so that part of output switches of the current controller are controlled to be closed and opened, and the test current and the test voltage are determined; for example, when the No. 2, 3, 4, 5 and 6 output switches of the current controllers are provided, the No. 4, 5 and 6 switches are controlled to be closed, the No. 2 and 3 switches are controlled to be opened, and the high-voltage current booster is disconnected.
And S134, when the test current is the preset virtual and real power current, controlling the on and off of part of output switches of the current controller, and determining the test current and the test voltage.
It can be understood that when the test current is the preset virtual and real power current, part of the output switches can be controlled to be switched on and off, so as to determine the test current and the test voltage, for example, when there are output switches of current controllers 2, 3, 4, 5 and 6, switches 3, 4, 5 and 6 can be generally controlled to be switched on, and switch 2 can be controlled to be switched off, and the test current is the sum of the real power current and the virtual power current.
According to the scheme, when the test operation mode is the calibration mode, the mutual inductor is controlled to be connected to a test circuit; when the test current is the preset virtual power current, controlling partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage; when the test current is the preset real power current, the high-voltage current booster is disconnected, and part of output switches of the current controller are controlled to be closed and opened, so that the test current and the test voltage are determined; when the test current is the preset virtual and real power current, part of output switches of the current controller are controlled to be switched on and off, the test current and the test voltage are determined, the test current and the test voltage can be determined according to the test operation mode in a targeted mode, the mutual inductor test can be performed more quickly and conveniently, and the accuracy of test data is improved.
Further, fig. 6 is a schematic flow chart of a fifth embodiment of the method for testing and controlling electrical performance of a transformer according to the present invention, and as shown in fig. 6, the fifth embodiment of the method for testing and controlling electrical performance of a transformer according to the present invention is proposed based on the first embodiment, in this embodiment, the step S20 specifically includes the following steps:
and step S21, obtaining test current values and test voltage values corresponding to the levels of the mutual inductor in different time.
It should be noted that different test times correspond to different levels of test current values and test voltage values of the transformer, and different levels of test current values and test voltage values.
And step S22, controlling the mutual inductor to boost and flow according to the test current value and the test voltage value, and acquiring corresponding test data.
It can be understood that the mutual inductor can be controlled to perform corresponding boosting and current rising operations through the test current value and the test voltage value, so that corresponding test data can be obtained.
Further, the step S21 specifically includes the following steps:
acquiring the grade, the rated voltage and the rated current of the mutual inductor;
inquiring the test voltage proportion and the test current proportion in different time according to a preset test working condition table;
determining a test voltage value according to the test voltage proportion and the rated voltage value;
and determining a test current value according to the test current proportion and the rated current value.
It should be noted that different rated voltages and rated currents correspond to different transformer levels, and the test voltage proportion and the test current proportion in different time periods can be inquired according to a preset test working condition table, so that the test voltage value and the test current value are determined by combining the rated voltages and the rated currents.
In a specific implementation, the system is controlled to boost and flow up to a specified value at corresponding time according to the requirements of the following table in the test running mode, the comparison mode and the calibration mode, and a general intelligent control power supply mode can comprise power supply control in three modes of remote control, a local program control mode and a local manual control mode; the table is as follows:
table 1 comparative model test conditions are as follows:
it can be understood that, in the comparison mode, the secondary output value U1 of the 0.1-level electromagnetic voltage transformer in the line is a standard value, the secondary output values U2 of the 0.2-level electromagnetic voltage transformer and the electronic voltage transformer are measured values, and the ratio error and the phase error are calculated; calculating a ratio error and a phase error by taking a secondary output value I1 of a 0.1-level electromagnetic current transformer in a circuit as a standard value and taking a secondary output value I2 of a 0.2-level electromagnetic voltage transformer and an electronic voltage transformer as measured values; the standard value and the measured value, and the error can be automatically measured and calculated by an online error comparison evaluation device.
Table 2 calibration mode test conditions are as follows:
it should be understood that the data U1 of the standard voltage transformer of the 0.01 level in the line is taken as a standard value, the secondary output values U2 of the electromagnetic voltage transformer and the electronic voltage transformer of the 0.1 level, 0.2 level in the line are taken as measured values, the ratio error and the phase error are calculated, the secondary output value I1 of the standard current transformer of the 0.01 level in the line is taken as a standard value, the secondary output values I2 of the electromagnetic current transformer and the electronic voltage transformer of the 0.1 level, 0.2 level in the line are taken as measured values, and the ratio error, the phase error, the standard value and the measured value, and the error can be automatically measured and calculated by the on-line error comparison and evaluation device.
In the specific implementation, data u2 of the electronic voltage transformer u1 and the electromagnetic voltage transformer are measured values, the standard values and the measured values are collected through an online monitoring device, and errors of the electronic transformer and the electromagnetic transformer are calculated; the condition of the current transformer is the same as that of a voltage calculation method, and the secondary current of the current transformer is selected by error calculation; in addition to the normal calibration mode operating period, the platform may also operate in the calibration mode when threshold overrun and manual actuation occurs.
According to the scheme, the test current value and the test voltage value corresponding to the level of the mutual inductor in different time are obtained; according to the test current value and the test voltage value, the mutual inductor is controlled to carry out boosting and current rising, corresponding test data are obtained, the operation steps of the mutual inductor electrical performance test can be simplified, the mutual inductor test can be carried out more quickly and conveniently, the test control working efficiency is improved, the reliability of the mutual inductor test control is guaranteed, and the safety and the accuracy are improved.
Further, fig. 7 is a schematic flowchart of a sixth embodiment of a method for testing and controlling electrical performance of a transformer according to the present invention, and as shown in fig. 7, the sixth embodiment of the method for testing and controlling electrical performance of a transformer according to the present invention is proposed based on the first embodiment, in this embodiment, the step S30 specifically includes the following steps:
and step S31, acquiring sample voltage data of the standard voltage transformer and sample current data of the standard current transformer.
It should be noted that the standard voltage transformer is a standard voltage transformer of a corresponding level selected in advance, the standard voltage transformer corresponds to sample voltage data, the standard current transformer is a standard current transformer of a corresponding level selected in advance, and the standard current transformer corresponds to sample current data.
Step S32, comparing the voltage data in the test data with the sample voltage data, calculating to obtain a voltage error value, and comparing the current data in the test data with the sample current data, calculating to obtain a current error value.
It should be appreciated that a voltage error value can be calculated by comparing the voltage data in the test data with the sample voltage data, and a current error value can be calculated by comparing the current data in the test data with the sample current data.
Step S33, comparing the voltage error value and the current error value with a preset error threshold, and determining that the transformer is qualified when both the voltage error value and the current error value are smaller than the preset error threshold.
It should be understood that the preset error threshold is a preset threshold of a judgment error, and by comparison, the transformer can be judged to be qualified when both the voltage error value and the current error value are smaller than the preset error threshold.
And step S34, when the voltage error value and/or the current error value are not less than a preset error threshold value, determining that the transformer is unqualified.
It is understood that, correspondingly, by comparison, the transformer can be determined to be not qualified when the voltage error value and/or the current error value is not less than a preset error threshold value.
According to the scheme, the sample voltage data of the standard voltage transformer and the sample current data of the standard current transformer are obtained; comparing the voltage data in the test data with the sample voltage data, calculating to obtain a voltage error value, comparing the current data in the test data with the sample current data, and calculating to obtain a current error value; comparing the voltage error value and the current error value with a preset error threshold respectively, and judging that the mutual inductor is qualified when the voltage error value and the current error value are both smaller than the preset error threshold; when the voltage error value and/or the current error value are not smaller than the preset error threshold value, the mutual inductor is judged to be unqualified, the operation steps of the electrical performance test of the mutual inductor can be simplified, the mutual inductor test can be carried out more quickly and conveniently, and the test control working efficiency is improved.
Correspondingly, the invention further provides a mutual inductor electrical performance test control device.
Referring to fig. 8, fig. 8 is a functional block diagram of a first embodiment of the electrical performance test control device of the mutual inductor according to the invention.
In a first embodiment of the apparatus for testing and controlling electrical performance of a transformer according to the present invention, the apparatus for testing and controlling electrical performance of a transformer includes:
the acquisition module 10 is configured to acquire a test operation mode of the transformer, and determine a test current and a test voltage according to the test operation mode.
And the boosting and current rising module 20 is used for controlling the mutual inductor to perform boosting and current rising at different time according to the test current and the test voltage, and acquiring corresponding test data.
And the judging module 30 is configured to determine an error value of the transformer according to the test data, and judge whether the transformer is qualified according to the error value of the transformer.
The obtaining module 10 is further configured to obtain a test operation mode of the transformer; when the test operation mode is a comparison mode, controlling the mutual inductor to cut out a test line, and determining a test current and a test voltage; and when the test operation mode is the calibration mode, controlling the mutual inductor to be connected into a test circuit, and determining test current and test voltage.
The obtaining module 10 is further configured to control the transformer to cut out a test line when the test operation mode is a comparison mode; when the test current is the preset virtual power current, controlling partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage; when the test current is the preset real power current, the high-voltage current booster is disconnected, and part of output switches of the current controller are controlled to be closed and opened, so that the test current and the test voltage are determined; and when the test current is the preset virtual and real power current, controlling the partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage.
The obtaining module 10 is further configured to control the mutual inductor to access a test line when the test operation mode is a calibration mode; when the test current is the preset virtual power current, controlling partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage; when the test current is the preset real power current, the high-voltage current booster is disconnected, and part of output switches of the current controller are controlled to be closed and opened, so that the test current and the test voltage are determined; and when the test current is the preset virtual and real power current, controlling the partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage.
The boosting and current rising module 20 is further configured to obtain test current values and test voltage values corresponding to the levels of the transformer in different time periods; and controlling the mutual inductor to boost and flow according to the test current value and the test voltage value, and acquiring corresponding test data.
The boosting and current-increasing module 20 is further configured to obtain the level, the rated voltage, and the rated current of the transformer; inquiring the test voltage proportion and the test current proportion in different time according to a preset test working condition table; determining a test voltage value according to the test voltage proportion and the rated voltage value; and determining a test current value according to the test current proportion and the rated current value.
The judging module 30 is further configured to obtain sample voltage data of the standard voltage transformer and sample current data of the standard current transformer; comparing the voltage data in the test data with the sample voltage data, calculating to obtain a voltage error value, comparing the current data in the test data with the sample current data, and calculating to obtain a current error value; comparing the voltage error value and the current error value with a preset error threshold respectively, and judging that the mutual inductor is qualified when the voltage error value and the current error value are both smaller than the preset error threshold; and when the voltage error value and/or the current error value are not smaller than a preset error threshold value, determining that the mutual inductor is unqualified.
The steps implemented by each functional module of the instrument transformer electrical performance test control device can refer to each embodiment of the instrument transformer electrical performance test control method, and are not described herein again.
In addition, an embodiment of the present invention further provides a storage medium, where a mutual inductor electrical performance test control program is stored on the storage medium, and when executed by a processor, the mutual inductor electrical performance test control program implements the following operations:
acquiring a test operation mode of the mutual inductor, and determining a test current and a test voltage according to the test operation mode;
controlling the mutual inductor to perform boosting and current rising at different time according to the test current and the test voltage to obtain corresponding test data;
and determining an error value of the mutual inductor according to the test data, and judging whether the mutual inductor is qualified or not according to the error value of the mutual inductor.
Further, the mutual inductor electrical performance test control program further realizes the following operations when being executed by the processor:
acquiring a test operation mode of the mutual inductor;
when the test operation mode is a comparison mode, controlling the mutual inductor to cut out a test line, and determining a test current and a test voltage;
and when the test operation mode is the calibration mode, controlling the mutual inductor to be connected into a test circuit, and determining test current and test voltage.
Further, the mutual inductor electrical performance test control program further realizes the following operations when being executed by the processor:
when the test operation mode is a comparison mode, controlling the mutual inductor to cut out a test line;
when the test current is the preset virtual power current, controlling partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage;
when the test current is the preset real power current, the high-voltage current booster is disconnected, and part of output switches of the current controller are controlled to be closed and opened, so that the test current and the test voltage are determined;
and when the test current is the preset virtual and real power current, controlling the partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage.
Further, the mutual inductor electrical performance test control program further realizes the following operations when being executed by the processor:
when the test operation mode is a calibration mode, controlling the mutual inductor to be connected into a test circuit;
when the test current is the preset virtual power current, controlling partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage;
when the test current is the preset real power current, the high-voltage current booster is disconnected, and part of output switches of the current controller are controlled to be closed and opened, so that the test current and the test voltage are determined;
and when the test current is the preset virtual and real power current, controlling the partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage.
Further, the mutual inductor electrical performance test control program further realizes the following operations when being executed by the processor:
acquiring test current values and test voltage values corresponding to the levels of the mutual inductor in different time;
and controlling the mutual inductor to boost and flow according to the test current value and the test voltage value, and acquiring corresponding test data.
Further, the mutual inductor electrical performance test control program further realizes the following operations when being executed by the processor:
acquiring the grade, the rated voltage and the rated current of the mutual inductor;
inquiring the test voltage proportion and the test current proportion in different time according to a preset test working condition table;
determining a test voltage value according to the test voltage proportion and the rated voltage value;
and determining a test current value according to the test current proportion and the rated current value.
Further, the mutual inductor electrical performance test control program further realizes the following operations when being executed by the processor:
acquiring sample voltage data of a standard voltage transformer and sample current data of the standard current transformer;
comparing the voltage data in the test data with the sample voltage data, calculating to obtain a voltage error value, comparing the current data in the test data with the sample current data, and calculating to obtain a current error value;
comparing the voltage error value and the current error value with a preset error threshold respectively, and judging that the mutual inductor is qualified when the voltage error value and the current error value are both smaller than the preset error threshold;
and when the voltage error value and/or the current error value are not smaller than a preset error threshold value, determining that the mutual inductor is unqualified.
According to the scheme, the test current and the test voltage are determined according to the test operation mode by obtaining the test operation mode of the mutual inductor; controlling the mutual inductor to perform boosting and current rising at different time according to the test current and the test voltage to obtain corresponding test data; the transformer error value is determined according to the test data, whether the transformer is qualified or not is judged according to the transformer error value, the operation steps of the transformer electrical performance test can be simplified, the transformer test can be carried out more quickly, conveniently and conveniently, the test control work efficiency is improved, the reliability of the transformer test control is guaranteed, the safety and the accuracy are improved, the labor consumption and the time consumption of monitoring are reduced, and the speed and the efficiency of transformer detection are improved.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A mutual inductor electrical performance test control method is characterized by comprising the following steps:
acquiring a test operation mode of the mutual inductor, and determining a test current and a test voltage according to the test operation mode;
controlling the mutual inductor to perform boosting and current rising at different time according to the test current and the test voltage to obtain corresponding test data;
and determining an error value of the mutual inductor according to the test data, and judging whether the mutual inductor is qualified or not according to the error value of the mutual inductor.
2. The mutual inductor electrical performance test control method according to claim 1, wherein the obtaining of the test operation mode of the mutual inductor and the determining of the test current and the test voltage according to the test operation mode comprise:
acquiring a test operation mode of the mutual inductor;
when the test operation mode is a comparison mode, controlling the mutual inductor to cut out a test line, and determining a test current and a test voltage;
and when the test operation mode is the calibration mode, controlling the mutual inductor to be connected into a test circuit, and determining test current and test voltage.
3. The method for controlling the electrical performance test of the mutual inductor according to claim 2, wherein when the test operation mode is a comparison mode, controlling the mutual inductor to cut out a test line and determining a test current and a test voltage comprises:
when the test operation mode is a comparison mode, controlling the mutual inductor to cut out a test line;
when the test current is the preset virtual power current, controlling partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage;
when the test current is the preset real power current, the high-voltage current booster is disconnected, and part of output switches of the current controller are controlled to be closed and opened, so that the test current and the test voltage are determined;
and when the test current is the preset virtual and real power current, controlling the partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage.
4. The method for controlling the electrical performance test of the mutual inductor according to claim 2, wherein when the test operation mode is the calibration mode, controlling the mutual inductor to be connected to a test line to determine a test current and a test voltage comprises:
when the test operation mode is a calibration mode, controlling the mutual inductor to be connected into a test circuit;
when the test current is the preset virtual power current, controlling partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage;
when the test current is the preset real power current, the high-voltage current booster is disconnected, and part of output switches of the current controller are controlled to be closed and opened, so that the test current and the test voltage are determined;
and when the test current is the preset virtual and real power current, controlling the partial output switches of the current controller to be switched on and off, and determining the test current and the test voltage.
5. The method for controlling the electrical performance test of the mutual inductor according to claim 1, wherein the step of controlling the mutual inductor to perform voltage boosting and current boosting at different times according to the test current and the test voltage to obtain corresponding test data comprises the following steps:
acquiring test current values and test voltage values corresponding to the levels of the mutual inductor in different time;
and controlling the mutual inductor to boost and flow according to the test current value and the test voltage value, and acquiring corresponding test data.
6. The method for controlling the electrical performance test of the mutual inductor according to claim 5, wherein the step of obtaining the test current value and the test voltage value corresponding to the level of the mutual inductor in different time comprises the following steps:
acquiring the grade, the rated voltage and the rated current of the mutual inductor;
inquiring the test voltage proportion and the test current proportion in different time according to a preset test working condition table;
determining a test voltage value according to the test voltage proportion and the rated voltage value;
and determining a test current value according to the test current proportion and the rated current value.
7. The method for controlling the mutual inductor electrical performance test of claim 1, wherein the determining a mutual inductor error value according to the test data, and determining whether the mutual inductor is qualified according to the mutual inductor error value comprises:
acquiring sample voltage data of a standard voltage transformer and sample current data of the standard current transformer;
comparing the voltage data in the test data with the sample voltage data, calculating to obtain a voltage error value, comparing the current data in the test data with the sample current data, and calculating to obtain a current error value;
comparing the voltage error value and the current error value with a preset error threshold respectively, and judging that the mutual inductor is qualified when the voltage error value and the current error value are both smaller than the preset error threshold;
and when the voltage error value and/or the current error value are not smaller than a preset error threshold value, determining that the mutual inductor is unqualified.
8. The utility model provides a mutual-inductor electrical property test controlling means which characterized in that, mutual-inductor electrical property test controlling means includes:
the acquisition module is used for acquiring a test operation mode of the mutual inductor and determining a test current and a test voltage according to the test operation mode;
the voltage boosting and current boosting module is used for controlling the mutual inductor to perform voltage boosting and current boosting at different time according to the test current and the test voltage so as to obtain corresponding test data;
and the judging module is used for determining an error value of the mutual inductor according to the test data and judging whether the mutual inductor is qualified or not according to the error value of the mutual inductor.
9. The utility model provides a mutual-inductor electrical property test controlgear which characterized in that, mutual-inductor electrical property test controlgear includes: a memory, a processor and a transformer electrical performance test control program stored on the memory and executable on the processor, the transformer electrical performance test control program being configured to implement the steps of the transformer electrical performance test control method of any one of claims 1 to 7.
10. A storage medium, characterized in that a transformer electrical performance test control program is stored thereon, which when executed by a processor implements the steps of the transformer electrical performance test control method according to any one of claims 1 to 7.
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