CN117538669A - Magnetic control transformer test method and system - Google Patents

Abstract

The application discloses a testing method and a testing system of a magnetic control transformer, wherein the method is applied to an upper computer of the testing system of the magnetic control transformer. The upper computer is connected with the power grid simulator, the power supply simulator, the electronic load, the oscillograph and the power analyzer, the magnetic control transformer is connected with the power grid simulator, the power supply simulator and the electronic load, and the primary side and the secondary side of the magnetic control transformer are connected with the power analyzer and the oscillograph; the method comprises determining a test mode; based on the test mode, testing the performance of the magnetic control transformer under different application working conditions; acquiring power data and waveform data of the magnetic control transformer in real time; and evaluating the performance of the magnetic control transformer based on the acquired power data and waveform data. Therefore, the upper computer in the magnetic control transformer test system can be used for evaluating the performance of the magnetic control transformer under different application working conditions, and the power data and the waveform data can be timely obtained, so that the evaluation reliability is further improved.

Description

Magnetic control transformer test method and system

Technical Field

The application relates to the technical field of power grids, in particular to a testing method and system of a magnetic control transformer.

Background

In the power grid, voltage regulating equipment is a key for realizing voltage stabilization of a power system. With the high-proportion access of new energy sources in the power system, the distributed load fluctuates frequently and the fluctuation amplitude is increased, and new performance requirements are put forward on the voltage regulating equipment. The magnetic control transformers are generated by combining the advantages of the traditional transformers and the power electronic devices, can adapt to different loads and the voltage requirements of new energy grid connection to realize long-distance voltage supplement, and based on the fact, the number of the magnetic control transformers connected into a power system is increased. In order to ensure safe and stable operation of the power system, performance test is required to be performed on the magnetic control transformer before the magnetic control transformer is connected into the power system. However, the conventional transformer test mode is only suitable for the conventional transformer, but is not suitable for the magnetic control transformer, and the prior art lacks a performance test scheme for the magnetic control transformer.

Disclosure of Invention

In view of the foregoing, the present application provides a method and a system for testing a magnetic control transformer, which are used for providing a performance testing scheme for the magnetic control transformer.

In order to achieve the above object, the following solutions have been proposed:

the utility model provides a magnetic control transformer test method, is applied to the host computer, the host computer is connected with electric wire netting simulator, power supply simulator, electronic load, oscillograph and power analyzer, the primary side of magnetic control transformer is connected with the electric wire netting simulator, the secondary side of magnetic control transformer is connected with power supply simulator and the electronic load, the primary side and the secondary side of magnetic control transformer are connected with same power analyzer and same oscillograph;

The method comprises the following steps:

determining a test mode of the power grid simulator, the power supply simulator, the electronic load and the magnetic control transformer for performing magnetic control transformer performance test;

based on the test mode, testing the performance of the magnetic control transformer under different application working conditions;

in the testing process of the magnetic control transformer, acquiring power data of the magnetic control transformer acquired by the power analyzer and waveform data of the magnetic control transformer acquired by the oscillograph in real time;

and evaluating the performance of the magnetic control transformer based on the acquired power data and waveform data.

Optionally, the determining a test mode of performing the performance test of the magnetic control transformer by the power grid simulator, the power supply simulator, the electronic load and the magnetic control transformer includes:

determining adjustment modes of the electronic load, the power supply simulator, the power grid simulator and the magnetic control transformer so as to perform steady-state voltage regulation performance test on the magnetic control transformer;

determining the adjustment modes of the electronic load, the power supply simulator and the magnetic control transformer so as to test the transient voltage regulation performance of the magnetic control transformer;

Determining the adjustment modes of the electronic load and the magnetic control transformer so as to test the voltage regulation performance of the three-phase unbalanced load scene of the magnetic control transformer;

determining a primary side impedance simulation mode of the power supply simulator, an adjustment mode of the electronic load and an adjustment mode of the magnetic control transformer so as to perform primary side impedance change scene voltage regulation performance test on the magnetic control transformer;

and determining a secondary side impedance simulation mode of the electronic load and an adjustment mode of the magnetic control transformer so as to test the voltage regulation performance of the magnetic control transformer in a secondary side impedance change scene.

Optionally, the determining the adjustment manners of the electronic load, the power supply simulator, the power grid simulator and the magnetic control transformer to perform a steady-state voltage regulation performance test on the magnetic control transformer includes:

the electronic load is controlled to work in a constant power mode, and the voltage regulation ratio of the magnetic control transformer is adjusted, so that the steady-state voltage regulation performance of the magnetic control transformer in a first mode and a second mode is tested;

and the power supply simulator is controlled to work in a current source mode, the voltage phase of the power grid simulator is locked, and the voltage regulation ratio of the magnetic control transformer is adjusted so as to test the steady-state voltage regulation performance of the magnetic control transformer in a third mode and a fourth mode.

Optionally, the determining the adjustment manners of the electronic load, the power supply simulator and the magnetic control transformer to perform the transient voltage regulation performance test on the magnetic control transformer includes:

the electronic load is controlled to work in different power modes, the power supply simulator is controlled to work in a current source mode with different power values, and the voltage regulation ratio of the magnetic control transformer is regulated so as to test the transient voltage regulation performance of the magnetic control transformer in different power modes.

Optionally, the determining the adjustment manners of the electronic load and the magnetic control transformer to perform the voltage regulation performance test of the three-phase unbalanced load scene on the magnetic control transformer includes:

and the electronic load is controlled to work in a three-phase asymmetric mode, and the voltage regulation ratio of the magnetic control transformer is adjusted, so that the magnetic control transformer is subjected to three-phase unbalanced load scene voltage regulation performance test.

Optionally, the determining the primary side impedance simulation mode of the power supply simulator, the adjustment mode of the electronic load, and the adjustment mode of the magnetic control transformer to perform the primary side impedance change scene voltage regulation performance test on the magnetic control transformer includes:

And the voltage regulation performance test of the primary side impedance change scene is carried out on the magnetic control transformer by controlling the power grid impedance of the power supply simulator, setting the three-phase power value change mode of the electronic load and regulating the voltage regulation ratio of the magnetic control transformer.

Optionally, the determining the secondary side impedance simulation mode of the electronic load and the adjustment mode of the magnetic control transformer to perform the voltage regulation performance test of the secondary side impedance change scene on the magnetic control transformer includes:

and the voltage regulation performance test of the secondary side impedance change scene is carried out on the magnetic control transformer by controlling the change of the RLC parameters and the equivalent RLC circuit of the electronic load and adjusting the voltage regulation ratio of the magnetic control transformer.

Optionally, the evaluating the performance of the magnetic control transformer based on the acquired power data and waveform data includes:

calculating voltage regulation information of the magnetic control transformer based on the power data, wherein the voltage regulation information comprises any one or more of a voltage regulation range, voltage regulation precision and power loss;

based on the waveform data, recording test information, wherein the test information comprises any one or more of harmonic content, transient waveform and steady-state waveform;

And evaluating the performance of the magnetic control transformer based on the voltage regulation information and the test information.

A magnetic control transformer test system comprises a power grid simulator, a power supply simulator, a magnetic control transformer, an electronic load, a power analyzer, an oscillograph and an upper computer;

the power grid simulator is used for simulating the primary side of the magnetic control transformer to be connected with power grids under different working conditions;

the power supply simulator is used for adjusting the steady-state operation state of the magnetic control transformer;

the electronic load is used for simulating the secondary side of the magnetic control transformer to be connected with loads in different working conditions;

the power analyzer is used for collecting power data of the magnetic control transformer;

the oscillograph is used for collecting waveform data of the magnetic control transformer;

the upper computer is used for determining a test mode of the power grid simulator, the power supply simulator, the electronic load and the magnetic control transformer for performing magnetic control transformer performance test; based on the test mode, testing the performance of the magnetic control transformer under different application working conditions; in the testing process of the magnetic control transformer, acquiring power data of the magnetic control transformer acquired by the power analyzer and waveform data of the magnetic control transformer acquired by the oscillograph in real time; and evaluating the performance of the magnetic control transformer based on the acquired power data and waveform data.

According to the technical scheme, the testing method of the magnetic control transformer can be applied to an upper computer of a magnetic control transformer testing system. In the magnetic control transformer test system, an upper computer is connected with a power grid simulator, a power supply simulator, an electronic load, an oscillograph and a power analyzer, wherein the primary side of the magnetic control transformer is connected with the power grid simulator, the secondary side of the magnetic control transformer is connected with the power supply simulator and the electronic load, and the primary side and the secondary side of the magnetic control transformer are connected with the same power analyzer and the same oscillograph; after the magnetic control transformer is connected to the power system, the magnetic control transformer can possibly run in various application working conditions, so that when the performance test of the magnetic control transformer is carried out, an upper computer can determine the test mode of the power grid simulator, the power supply simulator, the electronic load and the magnetic control transformer for carrying out the performance test of the magnetic control transformer; based on the test mode, testing the performance of the magnetic control transformer under different application working conditions; because the upper computer can be connected with the power grid simulator, the power supply simulator and the electronic load, the upper computer can influence the power grid simulator, the power supply simulator and the electronic load; the upper computer can test the performance of the magnetic control transformer under different application working conditions based on the acquired testing modes of the power grid simulator, the power supply simulator and the electronic load; therefore, the upper computer can influence the power grid simulator, the power supply simulator and the electronic load based on the test mode, so that the magnetic control transformer can be operated in different application working conditions; in the testing process of the magnetic control transformer, acquiring power data of the magnetic control transformer acquired by the power analyzer and waveform data of the magnetic control transformer acquired by the oscillograph in real time; the waveform data and the power data are data acquired in real time in the testing process, the oscillograph and the power analyzer are directly connected with the magnetic control transformer, and meanwhile, the oscillograph and the power analyzer are also directly connected with the upper computer, so that the instantaneity of the transmission of the power data and the waveform data is ensured, and waveform changes and omission of the power changes are avoided; in addition, the magnetic control transformer is tested under different application working conditions in the test process, so that the waveform data and the power data reflect the power change and the waveform change of the magnetic control transformer under different application working conditions; and evaluating the performance of the magnetic control transformer based on the acquired power data and waveform data. Based on this, the host computer of this application can influence electric wire netting simulator, power simulator and electronic load for the magnetic control transformer operation is in different application operating modes, and synthesizes the power real-time variation and the waveform real-time variation under the different application operating modes, carries out the aassessment to the performance of magnetic control transformer. Therefore, the magnetic control transformer testing system can be used for evaluating the performance of the magnetic control transformer under different application working conditions, power data and waveform data are timely obtained, the reliability of the waveform data and the power data is improved, and the reliability of evaluation is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings may be obtained according to the provided drawings without inventive effort to a person skilled in the art.

Fig. 1 is a schematic structural diagram of a testing system for a magnetic control transformer according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a testing system for a magnetic control transformer according to an embodiment of the present disclosure;

FIG. 3 is a flow chart of a testing method for a magnetic control transformer according to an embodiment of the present application;

FIG. 4 is a schematic diagram of a simulated three-phase unbalanced load according to an embodiment of the present disclosure;

FIG. 5 is a schematic diagram of a simulated primary side impedance disclosed in an embodiment of the present application;

FIG. 6 is a schematic diagram of an analog secondary side impedance disclosed in an embodiment of the present application;

fig. 7 is a block diagram of a testing device for a magnetic control transformer according to an embodiment of the present application;

fig. 8 is a hardware block diagram of an upper computer according to an embodiment of the present application.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The method and the device can be used for an upper computer which is deployed in a magnetic control transformer test system.

Next, a magnetic control transformer test system provided in the present application will be described in detail with reference to fig. 1 and 2.

Referring to fig. 1, it can be seen that the transformer testing system of the present application may include a host computer, a grid simulator, a power simulator, an electronic load, an oscillograph, and a power analyzer.

The upper computer can be connected with a power grid simulator, a power supply simulator, an electronic load, an oscillograph and a power analyzer.

The primary side of the magnetic control transformer can be connected with a power grid simulator, and the secondary side of the magnetic control transformer can be connected with the power supply simulator and the electronic load. The primary side and the secondary side of the magnetic control transformer are connected with the same power analyzer, and the primary side and the secondary side of the magnetic control transformer are also connected with the same oscillograph.

The primary side of the magnetic control transformer can be the primary side of the magnetic control transformer, and the secondary side of the magnetic control transformer can be the secondary side of the magnetic control transformer.

In some embodiments of the present application, a magnetically controlled transformer includes a transformer winding, a controller, a magnetically controlled loop, and a direct current-alternating current (DC-AC) inverter.

The primary side of the transformer winding can be the primary side of the magnetic control transformer, and similarly, the secondary side of the transformer winding can be the secondary side of the magnetic control transformer.

One end of the magnetic control loop is connected with the transformer winding, the other end of the magnetic control loop is connected with the direct current side of a direct current-alternating current (DC-AC) inverter, and the alternating current side of the direct current-alternating current (DC-AC) inverter is connected with the power grid simulator, as shown in figure 2.

The controller can be regulated and controlled by the upper computer, and the controller is powered by a battery.

The magnetic control loop is controlled by the controller, and the magnetic circuit of the transformer winding can be adjusted in a magnetic coupling mode, so that the regulation of the primary side voltage regulation ratio and the secondary side voltage regulation ratio of the magnetic control transformer is realized.

The host computer may interact with the controller.

Based on the above, the upper computer can adjust the primary and secondary side voltage regulation ratio of the magnetic control transformer.

The power grid simulator can be connected to a three-phase four-wire system 380 volt alternating current power grid.

The power analyzer, oscillograph and upper computer can be powered by single-phase 220V AC.

The power grid simulator can be used for simulating the primary side of the magnetic control transformer to be connected with power grids under different working conditions;

the power supply simulator can be used for adjusting the steady-state operation state of the magnetic control transformer;

the electronic load can be used for simulating the secondary side of the magnetic control transformer to be connected with loads in different working conditions;

the power analyzer can be used for collecting power data of the magnetic control transformer;

the oscillograph can be used for collecting waveform data of the magnetic control transformer;

the host computer may be a variety of general purpose or special purpose computing device environments or configurations. For example: personal computers, server computers, hand-held or portable devices, tablet devices, multiprocessor devices, distributed computing environments that include any of the above devices or devices, and the like.

The upper computer can be used for executing the testing method of the magnetic control transformer and testing the performance of the magnetic control transformer in the testing system of the magnetic control transformer.

The following describes the testing method of the magnetic control transformer proposed in the present application in detail with reference to fig. 3, including the following steps:

and S1, determining a test mode of the power grid simulator, the power supply simulator, the electronic load and the magnetic control transformer for performing magnetic control transformer performance test.

Specifically, there may be various performance tests of the magnetic control transformer, for example, the magnetic control transformer performs a steady-state voltage regulation performance test, a transient voltage regulation performance test, a three-phase unbalanced load scene voltage regulation performance test, a primary side impedance change scene voltage regulation performance test, and a secondary side impedance change scene voltage regulation performance test.

Different kinds of performance tests can be performed by the power grid simulator, the power supply simulator, the electronic load and the magnetic control transformer in different test modes.

It can be understood that in the performance test process, the working states of the respective devices do not need to be adjusted, so if there are devices that do not need to be adjusted, the test mode of the devices may be to stop adjusting the working states of the corresponding devices, and the devices may be any one or more of the power grid simulator, the power supply simulator, the electronic load and the magnetic control transformer.

In the performance test process of the magnetic control transformer, the working states of the power grid simulator, the power supply simulator, the electronic load and/or the magnetic control transformer can not be changed.

And step S2, testing the performance of the magnetic control transformer under different application working conditions based on the testing mode.

Specifically, the upper computer can regulate and control the power grid simulator, the power supply simulator, the electronic load and/or the magnetic control transformer based on the power grid simulator, the power supply simulator, the electronic load and/or the magnetic control transformer in a test mode of performing magnetic control transformer performance test on the magnetic control transformer, adjust application working conditions of the magnetic control transformer, and test performances of the magnetic control transformer under different application working conditions.

And step S3, acquiring the power data of the magnetic control transformer acquired by the power analyzer and the waveform data of the magnetic control transformer acquired by the oscillograph in real time in the testing process of the magnetic control transformer.

Specifically, the upper computer can acquire power data in the performance test process of the magnetic control transformer in real time through the power analyzer, and similarly, can acquire waveform data in the performance test process of the magnetic control transformer in real time through the oscillograph recorder.

And S4, evaluating the performance of the magnetic control transformer based on the acquired power data and waveform data.

Specifically, the power data and the waveform data can be synthesized, and the performance of the magnetic control transformer can be analyzed to obtain a performance test result.

The performance test result can be used for evaluating the application scene and service life of the magnetic control transformer and optimizing the corresponding magnetic control transformer.

As can be seen from the above technical solution, the present embodiment provides a method in which the host computer can be connected to the power grid simulator, the power supply simulator and the electronic load, so that the host computer can influence the power grid simulator, the power supply simulator and the electronic load; the upper computer can test the performance of the magnetic control transformer under different application working conditions based on the acquired testing modes of the power grid simulator, the power supply simulator and the electronic load; therefore, the upper computer can influence the power grid simulator, the power supply simulator and the electronic load based on the test mode, so that the magnetic control transformer can be operated in different application working conditions; the waveform data and the power data are data acquired in real time in the testing process, and the magnetic control transformer is tested under different application working conditions in the testing process, so that the waveform data and the power data reflect the power change and the waveform change of the magnetic control transformer under different application working conditions; and evaluating the performance of the magnetic control transformer based on the acquired power data and waveform data. Based on this, the host computer of this application can influence electric wire netting simulator, power simulator and electronic load for the magnetically controlled transformer operates in different application operating modes, and synthesizes power variation and the waveform variation under the different application operating modes, carries out the aassessment to magnetically controlled transformer's performance. Therefore, the magnetic control transformer testing system can be used for evaluating the performance of the magnetic control transformer under different application working conditions, power data and waveform data are timely obtained, the reliability of the waveform data and the power data is improved, and the reliability of evaluation is further improved.

When the performance of the magnetic control transformer is evaluated, various application working conditions of the magnetic control transformer are considered, and the reliability of the performance evaluation is improved.

In some embodiments of the present application, a process of determining a test mode of performing the performance test of the magnetic control transformer by the power grid simulator, the power supply simulator, the electronic load and the magnetic control transformer in step S1 is described in detail, and the steps are as follows:

s10, determining adjustment modes of the electronic load, the power supply simulator, the power grid simulator and the magnetic control transformer so as to perform steady-state voltage regulation performance test on the magnetic control transformer.

Specifically, the upper computer can realize the operation of the magnetic control transformer in different working modes by setting an electronic load, the power supply simulator, the power grid simulator and the adjustment mode of the magnetic control transformer, control the change of the voltage regulation ratio of the magnetic control transformer and test the steady-state voltage regulation performance of the magnetic control transformer in different working modes.

In the testing process, the voltage amplitude, the voltage regulating range, the voltage regulating precision and the overall power loss of the secondary side end of the magnetic control transformer can be calculated by utilizing the power data, the voltage waveform and the harmonic content of the magnetic control transformer are collected through an oscillograph recorder, the voltage amplitude, the harmonic content, the overall power loss and the voltage waveform of the end are synthesized, and the steady-state voltage regulating performance of the magnetic control transformer is evaluated.

S11, determining the adjustment modes of the electronic load, the power supply simulator and the magnetic control transformer so as to test the transient voltage regulation performance of the magnetic control transformer.

Specifically, the upper computer can enable the magnetic control transformer to work in different power ranges by arranging the electronic load and the power supply simulator, and each power range corresponds to different working modes of the magnetic control transformer.

When the magnetic control transformer is positioned at each power point of each power range, the voltage regulating ratio of the magnetic control transformer can be adjusted;

the voltage fluctuation amplitude and response time of the magnetic control transformer terminal can be obtained according to the power data, and transient waveforms are recorded according to the waveform data;

the transient voltage regulation performance of the magnetic control transformer can be evaluated by integrating transient waveform, the voltage fluctuation amplitude and response time of the magnetic control transformer.

And S12, determining the adjustment modes of the electronic load and the magnetic control transformer so as to test the voltage regulation performance of the three-phase unbalanced load scene of the magnetic control transformer.

Specifically, the upper computer can simulate the three-phase unbalanced load to be connected to the secondary side of the magnetic control transformer by setting the working mode of the electronic load, and the voltage regulation ratio of the magnetic control transformer is regulated by the controller.

The upper computer can acquire the terminal voltage fluctuation amplitude and response time of the magnetic control transformer when the voltage regulation ratio is changed based on the power data, calculate the maximum voltage regulation range and the voltage regulation precision, and acquire the terminal voltage fluctuation amplitude and the voltage recovery time of the magnetic control transformer when the power value of the electronic load is changed;

the upper computer can record transient waveforms and harmonic contents when the voltage regulation ratio is changed based on waveform data, and record transient waveforms when the power value of the electronic load is changed.

The upper computer can integrate the overall power loss, terminal voltage fluctuation amplitude, response time, maximum voltage regulation range and voltage regulation precision of the magnetic control transformer when the voltage regulation ratio is changed, terminal voltage fluctuation amplitude and voltage recovery time of the magnetic control transformer when the power value of the electronic load is changed, transient waveform and harmonic content of the magnetic control transformer when the voltage regulation ratio is changed, transient waveform of the magnetic control transformer when the power value of the electronic load is changed, and evaluate the voltage regulation performance of the three-phase unbalanced load scene of the magnetic control transformer.

S13, determining a primary side impedance simulation mode of the power supply simulator, an adjustment mode of the electronic load and an adjustment mode of the magnetic control transformer so as to perform primary side impedance change scene voltage regulation performance test on the magnetic control transformer.

In particular, the power supply simulator may be equivalently a voltage source and the electronic load may be equivalently a three-phase symmetrical load.

The upper computer can set the power grid impedance of the power supply simulator, simulate the primary side impedance from the power grid to the primary side of the magnetic control transformer, and can perform primary side impedance change scene voltage regulation performance test on the magnetic control transformer by setting the three-phase power value of the electronic load and controlling the voltage regulation ratio of the magnetic control transformer.

The upper computer can record transient waveforms when the voltage regulation ratio is changed through waveform data; and recording voltage fluctuation amplitude and response time data of the magnetic control transformer when the voltage regulation ratio is changed based on the power data.

The upper computer can record transient waveforms when the electronic load power value is changed through waveform data, and record voltage fluctuation amplitude and voltage recovery time when the electronic load power value is changed through power data;

the upper computer can synthesize transient waveform, voltage fluctuation amplitude and response time data when the voltage regulation ratio is changed, and transient waveform, voltage fluctuation amplitude and voltage recovery time when the electronic load power value is changed, and evaluate the voltage regulation performance of the primary side impedance change scene of the magnetic control transformer.

S14, determining a secondary side impedance simulation mode of the electronic load and an adjustment mode of the magnetic control transformer so as to perform voltage regulation performance test on a secondary side impedance change scene of the magnetic control transformer.

Specifically, the upper computer can set an adjustment mode of the electronic load, so that the electronic load simulates secondary side impedance, adjusts the voltage regulation ratio of the magnetic control transformer, and tests the voltage regulation performance of the magnetic control transformer in a secondary side impedance change scene.

The upper computer can acquire the voltage amplitude value of the secondary side end of the magnetic control transformer and the overall power loss based on the power data, and record transient voltage waveforms and harmonic content through waveform data;

and analyzing the voltage transient fluctuation process based on the voltage amplitude value of the secondary side end of the magnetic control transformer, the overall power loss, the transient voltage waveform and the harmonic content, and evaluating the voltage regulation performance of the secondary side impedance change scene of the magnetic control transformer.

From the above technical scheme, it can be seen that this embodiment provides multiple optional modes of performing performance test to the magnetic control transformer, performs performance test to multiple application conditions of the magnetic control transformer, and performance test results of multiple application conditions can be synthesized to perform performance evaluation to the magnetic control transformer, so that reliability and accuracy of this application are further improved.

In some embodiments of the present application, the process of determining the adjustment manners of the electronic load, the power supply simulator, the power grid simulator, and the magnetic control transformer in step S10 to perform the steady-state voltage regulation performance test on the magnetic control transformer is described in detail, and the steps are as follows:

S100, testing the steady-state voltage regulation performance of the magnetic control transformer in a first mode and a second mode by controlling the electronic load to work in a constant power mode and adjusting the voltage regulation ratio of the magnetic control transformer.

Specifically, the working modes of the magnetic control transformer can include a first mode, a second mode, a third mode and a fourth mode.

The working modes of the magnetic control transformers are different, and reactive power and active power flow directions in the magnetic control transformer performance test system are different.

When the working mode of the magnetic control transformer is the first mode, the power grid simulator at the primary side supplies power to the active load and the inductive reactive load at the secondary side through the magnetic control transformer.

When the working mode of the magnetic control transformer is the second mode, the power grid simulator at the primary side supplies power to the active load at the secondary side through the magnetic control transformer, and meanwhile, the power supply simulator at the secondary side supplies inductive reactive power to the power grid simulator through the magnetic control transformer.

When the working mode of the magnetic control transformer is the third mode, the power supply simulator of the secondary side provides active power and inductive reactive power for the power supply simulator of the primary side through the magnetic control transformer.

When the working mode of the magnetic control transformer is the fourth mode, the power supply simulator of the secondary side provides active power for the power grid simulator of the primary side through the magnetic control transformer, and the power grid simulator of the primary side provides inductive reactive power for the power supply simulator of the secondary side through the magnetic control transformer.

The upper computer can control the electronic load to work in a constant power mode, and adjust the power values of the power grid simulator and the power supply simulator until the power grid simulator at the primary side supplies power to the active load and the inductive reactive load at the secondary side through the magnetic control transformer, and the magnetic control transformer works in a first mode;

the upper computer sets the voltage regulating ratio change range of the magnetic control transformer through a controller for controlling the magnetic control transformer, sets the voltage regulating ratio regulating step length and tests the steady-state voltage regulating performance of the magnetic control transformer in the first mode.

The upper computer can control the electronic load to work in a constant power mode, and adjust the power values of the power grid simulator and the power supply simulator until the power grid simulator at the primary side supplies power to the active load at the secondary side through the magnetic control transformer, and meanwhile, the power supply simulator at the secondary side supplies inductive reactive power to the power grid simulator through the magnetic control transformer until the magnetic control transformer works in a second mode;

the upper computer sets the voltage regulating ratio change range of the magnetic control transformer through a controller for controlling the magnetic control transformer, sets the voltage regulating ratio regulating step length and tests the steady-state voltage regulating performance of the magnetic control transformer in the second mode.

S101, controlling the power supply simulator to work in a current source mode, locking the voltage phase of the power grid simulator, and adjusting the voltage regulation ratio of the magnetic control transformer to test the steady-state voltage regulation performance of the magnetic control transformer in a third mode and a fourth mode.

Specifically, the power supply simulator can be controlled to work in a current source mode, the voltage phase of the primary side power grid simulator is locked, and the phase and the amplitude of the power supply simulator are adjusted until the magnetic control transformer works in a third mode;

the upper computer sets the voltage regulating ratio change range of the magnetic control transformer through a controller for controlling the magnetic control transformer, sets the voltage regulating ratio regulating step length and tests the steady-state voltage regulating performance of the magnetic control transformer in a third mode.

The power supply simulator can be controlled to work in a current source mode, the voltage phase of the primary side power grid simulator is locked, and the phase and the amplitude of the power supply simulator are adjusted until the magnetic control transformer works in a fourth mode;

the upper computer can set the voltage regulating ratio change range of the magnetic control transformer through the controller, and set the voltage regulating ratio regulating step length, and test the steady state voltage regulating performance of the magnetic control transformer in the fourth mode.

The adjusting step length and the adjusting ratio changing range can be set according to actual testing requirements, and the adjusting step length and the adjusting ratio changing range can be updated while the working mode is changed.

According to the technical scheme, the embodiment provides an optional mode for testing the steady-state voltage regulating performance, and the steady-state voltage regulating performance of the magnetic control transformer in the first mode, the second mode, the third mode and the fourth mode can be tested respectively through the mode. In the testing process, different working modes of the magnetic control transformer are considered, so that the testing reliability of the magnetic control transformer can be further improved.

In some embodiments of the present application, the step S11 of determining the adjustment manners of the electronic load, the power supply simulator, and the magnetic control transformer is performed to describe the process of performing the transient voltage regulation performance test on the magnetic control transformer in detail, and the steps are as follows:

s110, controlling the electronic load to work in different power modes, controlling the power supply simulator to work in a current source mode with different power values, and adjusting the voltage regulating ratio of the magnetic control transformer to test the transient voltage regulating performance of the magnetic control transformer in different power modes.

Specifically, the upper computer can determine each power point corresponding to the transient voltage regulation performance test of the magnetic control transformer, and different power points of different working modes of the magnetic control transformer form each power point, namely, each power point has a corresponding power point of a first mode, a corresponding power point of a second mode, a corresponding power point of a third mode and a corresponding power point of a fourth mode;

for each power point, the upper computer can adjust the power values of the electronic load and the power supply simulator, and adjust the power value of the magnetic control transformer to the power point;

the upper computer can determine the power adjustment range of the electronic load and the power simulator based on the power point, wherein the power adjustment range corresponds to 0.9 times of the power point to 1.1 times of the power point;

the upper computer can test according to the transient voltage regulation performance, adjust the power values of the electronic load and the power supply simulator, simulate the application condition of the abrupt change of the load of the magnetic control transformer;

after the voltage waveform of the magnetic control transformer is stable, the upper computer can set the voltage regulating ratio change range of the magnetic control transformer through the controller, regulate the voltage regulating ratio of the magnetic control transformer within the voltage regulating ratio change range, and test the transient voltage regulating performance of the magnetic control transformer under different power modes.

According to the technical scheme, the embodiment provides an optional mode for testing the transient voltage regulating performance of the magnetic control transformer in different power modes, and the transient voltage regulating performance of different power points in different working modes can be synthesized through the mode, so that the transient voltage regulating performance of the magnetic control transformer is evaluated.

In some embodiments of the present application, the step S12 of determining the adjustment manners of the electronic load and the magnetic control transformer is performed to describe the process of performing the voltage regulation performance test of the three-phase unbalanced load scene on the magnetic control transformer in detail, and the steps are as follows:

s120, the electronic load is controlled to work in a three-phase asymmetric mode, and the voltage regulation ratio of the magnetic control transformer is adjusted, so that the magnetic control transformer is subjected to three-phase unbalanced load scene voltage regulation performance test.

Specifically, when the three-phase power transmission lines respectively supply power to different users, the three-phase unbalanced load can be equivalently connected to the secondary side of the magnetic control transformer, as shown in fig. 4. Normally, the magnetic control transformer works in the first mode at this time.

The upper computer can determine rated power points in a first mode of the magnetic control transformer, and active power and reactive power of each phase of the electronic load are determined based on the rated power points;

The upper computer can set the electronic load to work in a three-phase asymmetric mode based on the active power and the reactive power of each phase;

randomly controlling the active power and reactive power of any one phase or multiple phases of the electronic load to rise or fall, and simulating the load power mutation of the magnetic control transformer;

the upper computer can set the voltage regulating ratio change range of the magnetic control transformer through the controller, the voltage regulating ratio of the magnetic control transformer is regulated within the voltage regulating ratio change range, and the magnetic control transformer is subjected to three-phase unbalanced load scene voltage regulating performance test.

From the above technical scheme, it can be seen that this embodiment provides an optional mode of carrying out three-phase unbalanced load scene voltage regulation performance test to the magnetic control transformer, can simulate the magnetic control transformer through above-mentioned mode and be applied to the three-phase unbalanced load scene of different load power, further improves the degree of accuracy of the three-phase unbalanced load scene voltage regulation performance of the test magnetic control transformer of this application.

In some embodiments of the present application, the step S13, determining a primary-side impedance simulation mode of the power supply simulator, an adjustment mode of the electronic load, and an adjustment mode of the magnetic control transformer, so as to describe in detail a process of performing a primary-side impedance change scene voltage regulation performance test on the magnetic control transformer, includes the following steps:

S130, performing primary side impedance change scene voltage regulation performance test on the magnetic control transformer by controlling the power grid impedance of the power supply simulator, setting a three-phase power value change mode of an electronic load and adjusting the voltage regulation ratio of the magnetic control transformer.

In particular, when the power supply simulator is equivalent to a voltage source, the grid impedance of the power supply simulator is equivalent to the primary side impedance of the magnetically controlled transformer.

At this time, the connection modes of the power supply simulator, the magnetic control transformer and the electronic load are shown in fig. 5.

The upper computer can be provided with a power grid impedance simulation function of the power supply simulator, simulate the primary side impedance from the power grid to the primary side of the magnetic control transformer, and simulate the abrupt change of the load of the magnetic control transformer by setting the three-phase power value change of the electronic load;

the upper computer can set the voltage regulating ratio change range of the magnetic control transformer through the controller, regulate the voltage regulating ratio of the magnetic control transformer in the voltage regulating ratio change range, and test the voltage regulating performance of the magnetic control transformer in a primary side impedance change scene.

From the above technical scheme, it can be seen that this embodiment provides an optional mode of testing the voltage regulation performance of the primary side impedance change scene of the magnetic control transformer, and through the above mode, the scene that the primary side impedance exists in the magnetic control transformer can be simulated, and the accuracy of testing the voltage regulation performance of the primary side impedance change scene of the magnetic control transformer of this application is further improved.

In some embodiments of the present application, the step S14 of determining the secondary side impedance simulation mode of the electronic load and the adjustment mode of the magnetic control transformer is performed to describe the process of performing the secondary side impedance change scene voltage regulation performance test on the magnetic control transformer in detail, and the steps are as follows:

and S140, controlling the RLC parameters of the electronic load and the change of an equivalent RLC circuit, and adjusting the voltage regulation ratio of the magnetic control transformer so as to test the voltage regulation performance of the secondary side impedance change scene of the magnetic control transformer.

Specifically, the upper computer can enable the magnetic control transformer to work in different working modes by adjusting the RLC parameters and the equivalent RLC circuit of the electronic load;

the upper computer can set the voltage regulating ratio change range of the magnetic control transformer through the controller, regulate the voltage regulating ratio of the magnetic control transformer in the voltage regulating ratio change range, and test the voltage regulating performance of the magnetic control transformer in a secondary side impedance change scene.

At this time, the connection modes of the power supply simulator, the magnetic control transformer and the electronic load are shown in fig. 6.

From the above technical scheme, it can be seen that this embodiment provides an optional mode of testing the voltage regulation performance of the secondary side impedance change scene of the magnetic control transformer, and through the mode described above, the scene that the secondary side impedance exists in the magnetic control transformer can be simulated, and the accuracy of testing the voltage regulation performance of the secondary side impedance change scene of the magnetic control transformer of this application is further improved.

In some embodiments of the present application, a process of evaluating the performance of the magnetic control transformer based on the acquired power data and waveform data in step S4 is described in detail, and the steps are as follows:

and S40, calculating voltage regulation information of the magnetic control transformer based on the power data, wherein the voltage regulation information comprises any one or more of a voltage regulation range, voltage regulation precision and power loss.

Specifically, a voltage regulation range, a voltage regulation precision, and/or a power loss of the magnetically controlled transformer may be calculated based on the power data.

S41, recording test information based on the waveform data, wherein the test information comprises any one or more of harmonic content, transient waveform and steady waveform.

Specifically, the harmonic content, transient voltage waveform, and/or steady state voltage waveform of the magnetically controlled transformer may be obtained based on the waveform data.

S42, evaluating the performance of the magnetic control transformer based on the voltage regulation information and the test information.

Specifically, voltage regulation information and test information can be integrated, and the performance of the magnetic control transformer can be evaluated.

From the above technical solution, it can be seen that this embodiment provides an optional manner of evaluating the performance of the magnetic control transformer based on the obtained power data and waveform data, by which the performance of the magnetic control transformer can be better evaluated, and multiple types of data are integrated, so as to further ensure the reliability of the evaluation.

The virtual device corresponding to the testing method of the magnetic control transformer can exist in the upper computer, so that the magnetic control transformer testing device is further provided.

Next, a detailed description will be given of the testing device for the magnetic control transformer provided in the present application with reference to fig. 7, and the testing device for the magnetic control transformer provided in the following may be compared with the testing method for the magnetic control transformer provided in the foregoing.

Referring to fig. 7, it can be found that the magnetic transformer testing apparatus may include:

the determining module 10 is configured to determine a test mode of performing a performance test on the magnetic control transformer by using the power grid simulator, the power supply simulator, the electronic load and the magnetic control transformer;

the testing module 20 is used for testing the performance of the magnetic control transformer under different application working conditions based on the testing mode;

the acquisition module 30 is configured to acquire, in real time, power data of the magnetic control transformer acquired by the power analyzer and waveform data of the magnetic control transformer acquired by the oscillograph recorder during the testing process of the magnetic control transformer;

and the evaluation module 40 is used for evaluating the performance of the magnetic control transformer based on the acquired power data and waveform data.

The test module may include:

the steady-state voltage regulation performance test unit is used for determining the adjustment modes of the electronic load, the power supply simulator, the power grid simulator and the magnetic control transformer so as to test the steady-state voltage regulation performance of the magnetic control transformer;

the transient voltage regulation performance test unit is used for determining the adjustment modes of the electronic load, the power supply simulator and the magnetic control transformer so as to test the transient voltage regulation performance of the magnetic control transformer;

the three-phase unbalanced load performance test unit is used for determining the adjustment modes of the electronic load and the magnetic control transformer so as to test the voltage regulation performance of the three-phase unbalanced load scene of the magnetic control transformer;

the primary side impedance voltage regulation performance test unit is used for determining a primary side impedance simulation mode of the power supply simulator, an adjustment mode of the electronic load and an adjustment mode of the magnetic control transformer so as to perform primary side impedance change scene voltage regulation performance test on the magnetic control transformer;

and the secondary side impedance voltage regulation performance test unit is used for determining a secondary side impedance simulation mode of the electronic load and an adjustment mode of the magnetic control transformer so as to test the voltage regulation performance of the magnetic control transformer in a secondary side impedance change scene.

The steady-state voltage regulation performance test unit may include:

the first steady-state voltage regulation performance test unit is used for testing the steady-state voltage regulation performance of the magnetic control transformer in a first mode and a second mode by controlling the electronic load to work in a constant power mode and adjusting the voltage regulation ratio of the magnetic control transformer;

and the second steady-state voltage regulating performance testing unit is used for testing the steady-state voltage regulating performance of the magnetic control transformer in a third mode and a fourth mode by controlling the power supply simulator to work in a current source mode and locking the voltage phase of the power grid simulator and adjusting the voltage regulating ratio of the magnetic control transformer.

The transient voltage regulation performance test unit may include:

the first transient voltage regulation performance test unit is used for testing the transient voltage regulation performance of the magnetic control transformer in different power modes by controlling the electronic load to work in different power modes and controlling the power supply simulator to work in a current source mode with different power values and adjusting the voltage regulation ratio of the magnetic control transformer.

The three-phase unbalanced load performance test unit may include:

and the load control unit is used for controlling the electronic load to work in a three-phase asymmetric mode and adjusting the voltage regulation ratio of the magnetic control transformer so as to test the voltage regulation performance of the three-phase unbalanced load scene of the magnetic control transformer.

The primary-side impedance voltage regulation performance test unit may include:

the power supply simulator control unit is used for performing primary side impedance change scene voltage regulation performance test on the magnetic control transformer by controlling the power grid impedance of the power supply simulator, setting a three-phase power value change mode of the electronic load and adjusting the voltage regulation ratio of the magnetic control transformer.

The secondary side impedance voltage regulation performance test unit may include:

and the RLC circuit control unit is used for controlling the change of the RLC parameters and the equivalent RLC circuit of the electronic load and adjusting the voltage regulation ratio of the magnetic control transformer so as to test the voltage regulation performance of the secondary side impedance change scene of the magnetic control transformer.

The evaluation module may include:

the power data utilization unit is used for calculating voltage regulation information of the magnetic control transformer based on the power data, wherein the voltage regulation information comprises any one or more of a voltage regulation range, voltage regulation precision and power loss;

the waveform data utilization unit is used for recording test information based on the waveform data, wherein the test information comprises any one or more of harmonic content, transient waveform and steady waveform;

and the performance evaluation unit is used for evaluating the performance of the magnetic control transformer based on the voltage regulation information and the test information.

The magnetic control transformer testing device provided by the embodiment of the application can be applied to an upper computer, such as a PC terminal, a cloud platform, a server cluster and the like. Optionally, fig. 8 shows a block diagram of a hardware structure of the upper computer, and referring to fig. 8, the hardware structure of the upper computer may include: at least one processor 1, at least one communication interface 2, at least one memory 3 and at least one communication bus 4;

in the embodiment of the application, the number of the processor 1, the communication interface 2, the memory 3 and the communication bus 4 is at least one, and the processor 1, the communication interface 2 and the memory 3 complete communication with each other through the communication bus 4;

processor 1 may be a central processing unit CPU, or a specific integrated circuit ASIC (Application Specific Integrated Circuit), or one or more integrated circuits configured to implement embodiments of the present invention, etc.;

the memory 3 may comprise a high-speed RAM memory, and may further comprise a non-volatile memory (non-volatile memory) or the like, such as at least one magnetic disk memory;

wherein the memory stores a program, the processor is operable to invoke the program stored in the memory, the program operable to:

determining a test mode of the power grid simulator, the power supply simulator, the electronic load and the magnetic control transformer for performing magnetic control transformer performance test;

Based on the test mode, testing the performance of the magnetic control transformer under different application working conditions;

in the testing process of the magnetic control transformer, acquiring power data of the magnetic control transformer acquired by the power analyzer and waveform data of the magnetic control transformer acquired by the oscillograph in real time;

and evaluating the performance of the magnetic control transformer based on the acquired power data and waveform data.

Alternatively, the refinement function and the extension function of the program may be described with reference to the above.

The embodiment of the application also provides a readable storage medium, which can store a program suitable for being executed by a processor, the program being configured to:

determining a test mode of the power grid simulator, the power supply simulator, the electronic load and the magnetic control transformer for performing magnetic control transformer performance test;

based on the test mode, testing the performance of the magnetic control transformer under different application working conditions;

in the testing process of the magnetic control transformer, acquiring power data of the magnetic control transformer acquired by the power analyzer and waveform data of the magnetic control transformer acquired by the oscillograph in real time;

And evaluating the performance of the magnetic control transformer based on the acquired power data and waveform data.

Alternatively, the refinement function and the extension function of the program may be described with reference to the above.

Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus 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 apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Various embodiments of the present application may be combined with one another. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The testing method of the magnetic control transformer is characterized by being applied to an upper computer, wherein the upper computer is connected with a power grid simulator, a power supply simulator, an electronic load, an oscillograph and a power analyzer, the primary side of the magnetic control transformer is connected with the power grid simulator, the secondary side of the magnetic control transformer is connected with the power supply simulator and the electronic load, and the primary side and the secondary side of the magnetic control transformer are connected with the same power analyzer and the same oscillograph;

the method comprises the following steps:

determining a test mode of the power grid simulator, the power supply simulator, the electronic load and the magnetic control transformer for performing magnetic control transformer performance test;

Based on the test mode, testing the performance of the magnetic control transformer under different application working conditions;

in the testing process of the magnetic control transformer, acquiring power data of the magnetic control transformer acquired by the power analyzer and waveform data of the magnetic control transformer acquired by the oscillograph in real time;

and evaluating the performance of the magnetic control transformer based on the acquired power data and waveform data.

2. The method for testing a magnetically controlled transformer according to claim 1, wherein determining the test mode of the power grid simulator, the power supply simulator, the electronic load and the magnetically controlled transformer for testing the performance of the magnetically controlled transformer comprises:

determining adjustment modes of the electronic load, the power supply simulator, the power grid simulator and the magnetic control transformer so as to perform steady-state voltage regulation performance test on the magnetic control transformer;

determining the adjustment modes of the electronic load, the power supply simulator and the magnetic control transformer so as to test the transient voltage regulation performance of the magnetic control transformer;

determining the adjustment modes of the electronic load and the magnetic control transformer so as to test the voltage regulation performance of the three-phase unbalanced load scene of the magnetic control transformer;

Determining a primary side impedance simulation mode of the power supply simulator, an adjustment mode of the electronic load and an adjustment mode of the magnetic control transformer so as to perform primary side impedance change scene voltage regulation performance test on the magnetic control transformer;

and determining a secondary side impedance simulation mode of the electronic load and an adjustment mode of the magnetic control transformer so as to test the voltage regulation performance of the magnetic control transformer in a secondary side impedance change scene.

3. The method for testing a magnetically controlled transformer according to claim 2, wherein determining the adjustment modes of the electronic load, the power supply simulator, the power grid simulator and the magnetically controlled transformer to perform steady-state voltage regulation performance test on the magnetically controlled transformer comprises:

the electronic load is controlled to work in a constant power mode, and the voltage regulation ratio of the magnetic control transformer is adjusted, so that the steady-state voltage regulation performance of the magnetic control transformer in a first mode and a second mode is tested;

and the power supply simulator is controlled to work in a current source mode, the voltage phase of the power grid simulator is locked, and the voltage regulation ratio of the magnetic control transformer is adjusted so as to test the steady-state voltage regulation performance of the magnetic control transformer in a third mode and a fourth mode.

4. The method for testing a magnetically controlled transformer according to claim 2, wherein determining the adjustment modes of the electronic load, the power supply simulator and the magnetically controlled transformer to perform the transient voltage regulation performance test on the magnetically controlled transformer comprises:

the electronic load is controlled to work in different power modes, the power supply simulator is controlled to work in a current source mode with different power values, and the voltage regulation ratio of the magnetic control transformer is regulated so as to test the transient voltage regulation performance of the magnetic control transformer in different power modes.

5. The method for testing a magnetically controlled transformer according to claim 2, wherein determining the adjustment modes of the electronic load and the magnetically controlled transformer to perform the voltage regulation performance test of the magnetically controlled transformer in a three-phase unbalanced load scenario comprises:

and the electronic load is controlled to work in a three-phase asymmetric mode, and the voltage regulation ratio of the magnetic control transformer is adjusted, so that the magnetic control transformer is subjected to three-phase unbalanced load scene voltage regulation performance test.

6. The method of claim 2, wherein determining the primary impedance simulation mode of the power simulator, the adjustment mode of the electronic load, and the adjustment mode of the magnetically controlled transformer to perform the primary impedance change scene voltage regulation performance test on the magnetically controlled transformer comprises:

And the voltage regulation performance test of the primary side impedance change scene is carried out on the magnetic control transformer by controlling the power grid impedance of the power supply simulator, setting the three-phase power value change mode of the electronic load and regulating the voltage regulation ratio of the magnetic control transformer.

7. The method for testing a magnetically controlled transformer according to claim 2, wherein determining the secondary impedance simulation mode of the electronic load and the adjustment mode of the magnetically controlled transformer to perform the secondary impedance change scenario voltage regulation performance test on the magnetically controlled transformer comprises:

and the voltage regulation performance test of the secondary side impedance change scene is carried out on the magnetic control transformer by controlling the change of the RLC parameters and the equivalent RLC circuit of the electronic load and adjusting the voltage regulation ratio of the magnetic control transformer.

8. The method for testing a magnetic control transformer according to claim 1, wherein the evaluating the performance of the magnetic control transformer based on the acquired power data and waveform data comprises:

calculating voltage regulation information of the magnetic control transformer based on the power data, wherein the voltage regulation information comprises any one or more of a voltage regulation range, voltage regulation precision and power loss;

Based on the waveform data, recording test information, wherein the test information comprises any one or more of harmonic content, transient waveform and steady-state waveform;

and evaluating the performance of the magnetic control transformer based on the voltage regulation information and the test information.

9. The magnetic control transformer test system is characterized by comprising a power grid simulator, a power supply simulator, a magnetic control transformer, an electronic load, a power analyzer, an oscillograph and an upper computer;

the power grid simulator is used for simulating that the primary side of the magnetic control transformer is connected with power grids under different working conditions;

the power supply simulator is used for adjusting the steady-state operation state of the magnetic control transformer;

the electronic load is used for simulating the secondary side of the magnetic control transformer to be connected with loads in different working conditions;

the power analyzer is used for collecting power data of the magnetic control transformer;

the oscillograph is used for collecting waveform data of the magnetic control transformer;

the upper computer is used for determining a test mode of the power grid simulator, the power supply simulator, the electronic load and the magnetic control transformer for performing magnetic control transformer performance test; based on the test mode, testing the performance of the magnetic control transformer under different application working conditions; in the testing process of the magnetic control transformer, acquiring power data of the magnetic control transformer acquired by the power analyzer and waveform data of the magnetic control transformer acquired by the oscillograph in real time; and evaluating the performance of the magnetic control transformer based on the acquired power data and waveform data.

10. The magnetically controlled transformer testing system of claim 9, wherein the magnetically controlled transformer comprises a transformer winding, a controller, a magnetically controlled loop, and a dc-ac inverter.