CN113805002B - Detection device, method and equipment for power electronic direct current transformer and storage medium - Google Patents
Detection device, method and equipment for power electronic direct current transformer and storage medium Download PDFInfo
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- CN113805002B CN113805002B CN202111094450.8A CN202111094450A CN113805002B CN 113805002 B CN113805002 B CN 113805002B CN 202111094450 A CN202111094450 A CN 202111094450A CN 113805002 B CN113805002 B CN 113805002B
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The application discloses a detection device, a method, equipment and a storage medium of a power electronic direct current transformer, wherein the device comprises: selecting one of the power electronic direct current transformers as an auxiliary transformer, and connecting the low-voltage side of the auxiliary transformer with a direct current power supply; selecting the other two power electronic direct current transformers as tested transformers, wherein the low-voltage sides of the tested transformers are connected in parallel through auxiliary inductors; the auxiliary transformer is used for boosting the low voltage output by the direct-current power supply to the rated voltage of the high-voltage side and establishing a high-voltage test environment, and the first tested transformer and the second tested transformer form a split loop to perform full-power operation test. The test platform is simple to build, small in energy loss in the test process and simple in steps. Therefore, the technical problems of high difficulty, complex testing process and serious loss in the prior art when the high-power electronic direct-current transformer is tested are solved.
Description
Technical Field
The present application relates to the field of transformers, and in particular, to a device, a method, an apparatus, and a storage medium for detecting a power electronic dc transformer.
Background
With the development of high-power electronic components and control technologies thereof, a power electronic direct current transformer for realizing voltage conversion and energy transfer by utilizing power electronic conversion has been attracting more and more attention. The power electronic direct current transformer not only can realize voltage transformation, but also can realize power flow control, and is a combination of a high-power semiconductor component, a high-frequency isolation transformer and a control system. The direct current transformer can meet the wide application requirements, such as locomotive traction, smart grids, the power industry and the like.
In the topology structure of the circuit, the direct current transformer is formed by a large number of power modules in a serial and parallel mode. Therefore, accurate monitoring and reliability control of all power modules are key to safe and stable operation of the power electronic direct current transformer. In addition to fully testing the power module monomers, functional testing of the complete machine of the direct current transformer is a necessary step before power-up operation. The test before the power-on operation of the power electronic direct current transformer is mainly to test the stability of the transformer in the long-time operation of rated voltage and current so as to verify the thermal stability, electrical characteristics and the like of a power device. High power energy flow is an essential process in the testing process.
At present, a high-power direct-current power electronic transformer is subjected to voltage class of power electronic devices, and the rated voltage of a port is usually increased in a power module cascading mode; meanwhile, in order to increase rated current, a mode of connecting multiple groups of transformers in parallel is adopted to increase capacity; the high-power electronic direct current transformer is difficult to test, the testing process is complex, and the loss is serious.
Disclosure of Invention
The application provides a detection device, a detection method, detection equipment and a storage medium of a power electronic direct current transformer, which are used for solving the technical problems of high difficulty, complex testing process and serious loss in the prior art when a high-power electronic direct current transformer is tested.
In view of this, a first aspect of the present application provides a detection device for a power electronic dc transformer, the device comprising:
the device comprises an auxiliary transformer, a first transformer to be tested, a second transformer to be tested, a control system and a direct current power supply;
The low-voltage side of the auxiliary transformer is connected with the direct-current power supply; the high-voltage direct-current side of the auxiliary transformer, the high-voltage direct-current side of the first measured transformer and the high-voltage direct-current side of the second measured transformer are connected in parallel; the low-voltage direct-current side of the first measured transformer is connected with the low-voltage direct-current side of the second measured transformer in parallel through an auxiliary inductor;
The control system is respectively and electrically connected with the auxiliary transformer, the first measured transformer and the second measured transformer;
The auxiliary transformer is used for responding to the test command of the control system, boosting the low voltage output by the direct current power supply to the rated working voltage at the high voltage side of the auxiliary transformer, and adjusting the flowing direction and the flowing size of electric energy so that the first tested transformer and the second tested transformer are in a test state;
The control system is used for acquiring the running state information of the first tested transformer and the second tested transformer when the first tested transformer and the second tested transformer are in a test state, and adjusting the test command according to an adjusting instruction.
Optionally, the method further comprises: an upper computer; the upper computer is in communication connection with the control system;
the upper computer is used for:
receiving the test command input by a working tester, and sending the test command to the control system;
and receiving and displaying the running state information, so that a tester inputs the adjustment instruction according to the running state information and sends the adjustment instruction to the control system.
Optionally, the upper computer is further configured to: and sending a state detection instruction to the control system, so that the control system respectively detects the state of the first transformer to be tested and the state of the second transformer to be tested before testing, and receives and displays the state detection result.
Optionally, the test instruction includes: the operation mode, voltage value and current value of the power electronic direct current transformer and the protection signal.
Optionally, the operation state information includes: voltage, current, temperature.
Optionally, the upper computer is in communication connection with the control system, specifically: the upper computer is connected with the control system through an optical fiber.
A second aspect of the present application provides a method for detecting a power electronic dc transformer, which is applied to the detecting device of the power electronic dc transformer in the first aspect, and the method includes:
The auxiliary transformer responds to a test command of the control system, the low voltage output by the direct current power supply is increased to the rated working voltage of the high-voltage side of the auxiliary transformer, and the flowing direction and the flowing size of electric energy are regulated, so that the first tested transformer and the second tested transformer are in a test state;
When the first transformer to be tested and the second transformer to be tested are in a test state, the control system obtains running state information of the first transformer to be tested and the second transformer to be tested, and adjusts the test command according to an adjustment instruction.
Optionally, the method further comprises:
the upper computer receives the test command input by the working tester and sends the test command to the control system; and receiving and displaying the running state information, so that a tester inputs the adjustment instruction according to the running state information and sends the adjustment instruction to the control system.
A third aspect of the application provides a detection device for a power electronic dc transformer, the device comprising a processor and a memory:
The memory is used for storing program codes and transmitting the program codes to the processor;
The processor is configured to execute the steps of the method for detecting a power electronic dc transformer according to the second aspect according to the instructions in the program code.
A fourth aspect of the present application provides a computer-readable storage medium storing program code for executing the method for detecting a power electronic dc transformer according to the second aspect.
From the above technical scheme, the application has the following advantages:
The application provides a detection device of a power electronic direct current transformer, which comprises: the device comprises an auxiliary transformer, a first transformer to be tested, a second transformer to be tested, a control system and a direct current power supply; the low-voltage side of the auxiliary transformer is connected with a direct-current power supply; the high-voltage direct-current side of the auxiliary transformer, the high-voltage direct-current side of the first measured transformer and the high-voltage direct-current side of the second measured transformer are connected in parallel; the low-voltage direct-current side of the first measured transformer is connected with the low-voltage direct-current side of the second measured transformer in parallel through an auxiliary inductor; the control system is respectively and electrically connected with the auxiliary transformer, the first tested transformer and the second tested transformer; the auxiliary transformer is used for responding to a test command of the control system, boosting the low voltage output by the direct-current power supply to the rated working voltage of the high-voltage side of the auxiliary transformer, and adjusting the flowing direction and the flowing size of electric energy so that the first transformer to be tested and the second transformer to be tested are in a test state; and the control system is used for acquiring the running state information of the first tested transformer and the second tested transformer when the first tested transformer and the second tested transformer are in a test state, and adjusting the test command according to the adjustment instruction.
According to the detection device for the power electronic direct current transformer, one power electronic direct current transformer is selected as an auxiliary transformer, and the low-voltage side of the auxiliary transformer is connected with a direct current power supply; selecting the other two power electronic direct current transformers as tested transformers, wherein the low-voltage sides of the tested transformers are connected in parallel through auxiliary inductors; the auxiliary transformer is used for boosting the low voltage output by the direct-current power supply to the rated voltage of the high-voltage side and establishing a high-voltage test environment, and the first tested transformer and the second tested transformer form a split loop to perform full-power operation test. The application designs a split test device for power electronic transformer grouping connection and energy circulation; the novel high-power stability testing method for the power electronic direct current transformer is provided based on the testing device. The technical scheme is simple and feasible, and the test circuit can be formed by simply grouping the power electronic direct current transformers. The energy circulation mode is adopted to realize long-time test on the rated operation condition of the power electronic direct current transformer; the test platform is simple to build, the energy loss in the test process is small, and the steps are simple. Therefore, the technical problems of high difficulty, complex testing process and serious loss in the prior art when the high-power electronic direct-current transformer is tested are solved.
Drawings
Fig. 1 is a schematic structural diagram of a detection device of a power electronic dc transformer according to an embodiment of the present application;
fig. 2 is a flow chart of a detection method of a power electronic dc transformer according to an embodiment of the present application;
fig. 3 is a schematic circuit diagram of a power electronic dc transformer formed by connecting 9 modules in parallel with a high-voltage side and a low-voltage side in series;
fig. 4 is a schematic diagram of a parallel circuit of a conventional power electronic dc transformer.
Detailed Description
In order to make the present application better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that, the existing high-power dc power electronic transformer is limited by the voltage class of the power electronic device, and usually adopts a power module cascade mode to increase the rated voltage of the port; meanwhile, in order to increase rated current, a mode of connecting multiple groups of transformers in parallel is adopted to increase capacity.
Taking a conventional power electronic dc transformer as an example in fig. 3, the high voltage side (B1, B2) of the dc transformer may be connected to a 10kV dc bus, and the low voltage side (A1, A2) may be connected to a 750V dc bus. To increase the variable current rating, this can be achieved by connecting the transformers shown in fig. 3 in parallel, as shown in fig. 4.
The power electronic direct current transformer shown in fig. 4 is formed by connecting a plurality of groups of independently operable transformer units in parallel, wherein the low-voltage sides of the transformer units are directly connected in parallel to form L1 and L2 terminals on the low-voltage sides; the high voltage side is directly connected in parallel to form H1 and H2 terminals.
The application aims to provide a method for testing the running stability of a power electronic direct current transformer under rated working conditions (rated voltage and rated current), which solves the problems of high difficulty, complex testing process and serious loss in the high-power test of the power electronic direct current transformer.
The application provides a power electronic transformer detection device for energy circulation according to the connection characteristic and the operation characteristic of a power electronic direct current transformer, and a detection method based on the detection device. The circuit scheme tested is as described in fig. 1.
Referring to fig. 1, a detection apparatus for a power electronic dc transformer according to an embodiment of the present application includes: the device comprises an auxiliary transformer, a first transformer to be tested, a second transformer to be tested, a control system and a direct current power supply.
The low-voltage side of the auxiliary transformer is connected with a direct-current power supply; the high-voltage direct-current side of the auxiliary transformer, the high-voltage direct-current side of the first measured transformer and the high-voltage direct-current side of the second measured transformer are connected in parallel; the low-voltage direct-current side of the first measured transformer is connected with the low-voltage direct-current side of the second measured transformer in parallel through an auxiliary inductor. The control system is electrically connected with the auxiliary transformer, the first measured transformer and the second measured transformer respectively.
The auxiliary transformer is used for responding to a test command of the control system, boosting the low voltage output by the direct-current power supply to the rated working voltage of the high-voltage side of the auxiliary transformer, and adjusting the flowing direction and the flowing size of electric energy so that the first transformer to be tested and the second transformer to be tested are in a test state;
And the control system is used for acquiring the running state information of the first tested transformer and the second tested transformer when the first tested transformer and the second tested transformer are in a test state, and adjusting the test command according to the adjustment instruction.
It should be noted that, in the embodiment of the present application, one of the power electronic dc transformers is selected as the auxiliary transformer, and the low-voltage side of the auxiliary transformer is connected to the dc power supply. The other two power electronic direct current transformers are selected as tested transformers, and the low-voltage sides of the tested transformers are connected in parallel through auxiliary inductors L. The auxiliary transformer is used for boosting the low voltage output by the direct-current power supply to the rated voltage of the high-voltage side and establishing a high-voltage test environment, and the first tested transformer and the second tested transformer form a split loop to perform full-power operation test.
Further, in an alternative embodiment, the detection device of the present application further includes: an upper computer; the upper computer is in communication connection with the control system;
The upper computer is used for: receiving a test command input by a working tester, and sending the test command to a control system; and receiving and displaying the running state information, so that a tester inputs an adjustment instruction according to the running state information and sends the adjustment instruction to the control system.
Further, in a specific embodiment, the upper computer is further configured to: and sending a state detection instruction to the control system, so that the control system respectively detects the state of the first transformer to be tested and the state of the second transformer to be tested before testing, and receives and displays the state detection result.
It should be noted that, a specific detection embodiment provided by the present application is divided into three steps: firstly, an energy circulation test loop of the power electronic direct current transformer is built, secondly, an uplink communication system and a downlink communication system based on an upper computer are built, and finally, the energy flow of the direct current transformer to be tested is realized, so that the stability test of the direct current transformer is realized.
The method for constructing the power electronic direct current transformer energy circulation test loop specifically comprises the following steps of:
(1) Preparing a direct current voltage source for testing and providing a test voltage;
(2) As shown in fig. 1, the auxiliary transformer A1 is connected to dc+ of the test power supply; a DC-connecting the auxiliary transformer A2 and the test power supply;
(3) As shown in fig. 1, the auxiliary transformer, the transformer 1 to be tested, and the high-voltage direct-current side of the transformer 2 to be tested are connected in parallel;
(4) As shown in fig. 1, the low-voltage dc sides of the transformer 1 and the transformer 2 to be tested are connected in parallel by an auxiliary inductance L;
In the test process, energy circularly flows in the tested transformer 1 and the tested transformer 2, and the direct current power supply for the test only provides energy lost when the detection module operates, so that the power requirement on the direct current power supply for the test is not high.
(5) Connecting a power electronic direct current transformer control system with an upper computer;
the control system of the power electronic direct current transformer is required to receive the operation instructions of the upper computer, and upload the operation state information of the power electronic direct current transformer such as voltage, current, temperature and the like to the upper computer so that the upper computer can adjust the operation instructions by combining the information.
The method for constructing the uplink and downlink communication system based on the upper computer specifically comprises the following steps:
(1) The power electronic direct current transformer control system is communicated with the upper computer in an optical fiber mode;
(2) The upper computer sends a response instruction to the power electronic direct current transformer control system according to the test target, and monitors running data returned by the power electronic direct current transformer control system; the power electronic direct current transformer control system controls the operation of the detection module according to the received instruction, realizes the control of energy, and uploads the implementation state information of the operation to the upper computer.
The information uploaded to the upper computer by the power electronic direct current transformer control system mainly comprises the following components: voltage, current, power module temperature, operating state of the power module, etc. of the power electronic dc transformer.
The information issued by the upper computer to the control system of the power electronic direct current transformer mainly comprises the following components: power electronic dc transformer operation mode, system start/stop commands, power electronic dc transformer voltage/current commands, power electronic dc transformer control protection signals, etc.
Finally, the operation of detection is controlled by the upper computer, so that complete test items are realized, and the method specifically comprises the following steps:
In the power electronic direct current transformer test system, an upper computer is a control core of the whole system and is responsible for setting an operation mode, starting/stopping control, issuing voltage/current instructions and the like of the power electronic direct current transformer. The testing steps and the testing contents are as follows:
(1) The circuit according to fig. 1 connects the power electronic dc transformer and the test power supply, confirming that the main loop wiring is reliably connected;
(2) Checking that the communication optical fiber between the power electronic direct current transformer control system and the upper computer is connected correctly;
(3) Starting a test power supply, and regulating the output voltage of the power supply to reach the rated voltage of the low-voltage side of the power electronic direct-current transformer;
(4) And testing the output voltage of the power supply, and controlling the system to start working after the auxiliary transformer is automatically powered on, and simultaneously establishing communication with the upper computer. Checking whether the state of the auxiliary transformer is normal or not through an upper computer;
(5) The upper computer controls the high-voltage side voltage of the auxiliary transformer to the rated working voltage;
(6) The control system starts to work after the tested transformer 1 and the tested transformer 2 are powered on, and meanwhile communication with the upper computer is established. Checking whether the states of the tested transformer 1 and the tested transformer 2 are normal or not through an upper computer;
(7) The power size and the flowing direction to be tested are output in the upper computer, the upper computer issues specific control instructions to the control systems of the tested transformer 1 and the tested transformer 2, and the tested transformer 1 and the tested transformer 2 start to operate according to the test requirements after the test is started;
(8) Maintaining the operation of the system according to the time required by the test, and simultaneously recording each item of key data in the test process;
(9) After the test is finished, the power instruction is set to 0 in the upper computer, a shutdown instruction is issued, the whole test system stops running, and then the test power supply is turned off, so that the whole test is completed.
The above is an embodiment of a detection device for a power electronic dc transformer provided in the embodiment of the present application, and the following is an embodiment of a detection method for a power electronic dc transformer provided in the embodiment of the present application.
Referring to fig. 2, a method for detecting a power electronic dc transformer according to an embodiment of the present application includes:
And step 101, the upper computer receives a test command input by a working tester and sends the test command to the control system.
Step 102, the auxiliary transformer responds to a test command of the control system, the low voltage output by the direct current power supply is increased to the rated working voltage of the high voltage side of the auxiliary transformer, and the flowing direction and the flowing size of electric energy are regulated, so that the first tested transformer and the second tested transformer are in a test state.
Step 103, when the first tested transformer and the second tested transformer are in a test state, the control system obtains the running state information of the first tested transformer and the second tested transformer.
And 104, the upper computer receives and displays the running state information, so that a tester inputs an adjustment instruction according to the running state information and sends the adjustment instruction to the control system.
Step 105, the control system adjusts the test command according to the adjustment instruction.
Further, the embodiment of the application also provides a detection device of the power electronic direct current transformer, which is characterized by comprising a processor and a memory:
The memory is used for storing program codes and transmitting the program codes to the processor;
The processor is configured to execute the method for detecting a power electronic dc transformer according to the method embodiment according to the instructions in the program code.
Further, an embodiment of the present application further provides a computer readable storage medium, where the computer readable storage medium is configured to store program code, where the program code is configured to execute the method for detecting a power electronic dc transformer according to the foregoing method embodiment.
It will be clear to those skilled in the art that, for convenience and brevity of description, reference may be made to the corresponding process in the foregoing apparatus embodiment for the specific working process of the above-described method, which is not described in detail herein.
The terms "first," "second," "third," "fourth," and the like in the description of the application and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that in the present application, "at least one (item)" means one or more, and "a plurality" means two or more. "and/or" for describing the association relationship of the association object, the representation may have three relationships, for example, "a and/or B" may represent: only a, only B and both a and B are present, wherein a, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b or c may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.
In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: u disk, mobile hard disk, read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk, etc.
The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (9)
1. A detection device for a power electronic dc transformer, comprising: the device comprises an auxiliary transformer, a first transformer to be tested, a second transformer to be tested, a control system and a direct current power supply;
The auxiliary transformer, the first tested transformer and the second tested transformer are all power electronic direct current transformers to be tested;
The low-voltage side of the auxiliary transformer is connected with the direct-current power supply; the high-voltage direct-current side of the auxiliary transformer, the high-voltage direct-current side of the first measured transformer and the high-voltage direct-current side of the second measured transformer are connected in parallel; the low-voltage direct-current side of the first measured transformer is connected with the low-voltage direct-current side of the second measured transformer in parallel through an auxiliary inductor;
The control system is respectively and electrically connected with the auxiliary transformer, the first measured transformer and the second measured transformer;
The auxiliary transformer is used for responding to the test command of the control system, boosting the low voltage output by the direct current power supply to the rated working voltage at the high voltage side of the auxiliary transformer, and adjusting the flowing direction and the flowing size of electric energy so that the first tested transformer and the second tested transformer are in a test state;
The control system is used for acquiring the running state information of the first tested transformer and the second tested transformer when the first tested transformer and the second tested transformer are in a test state, and adjusting the test command according to an adjustment instruction;
Further comprises: an upper computer; the upper computer is in communication connection with the control system; the control system starts working after the auxiliary transformer is powered off by the direct current power supply to output voltage, meanwhile, the control system establishes communication with the upper computer, and the upper computer checks whether the state of the auxiliary transformer is normal or not;
The upper computer is used for: and sending a state detection instruction to the control system, so that the control system respectively detects the state of the first transformer to be tested and the state of the second transformer to be tested before testing, and receives and displays the state detection result.
2. The detecting device for a power electronic DC transformer according to claim 1, wherein,
The upper computer is also used for:
receiving the test command input by a working tester, and sending the test command to the control system;
and receiving and displaying the running state information, so that a tester inputs the adjustment instruction according to the running state information and sends the adjustment instruction to the control system.
3. The apparatus for detecting a power electronic dc transformer according to claim 1, wherein the test command includes: the operation mode, voltage value and current value of the power electronic direct current transformer and the protection signal.
4. The apparatus for detecting a power electronic dc transformer according to claim 1, wherein the operation state information includes: voltage, current, and temperature.
5. The detection device of a power electronic dc transformer according to claim 2, wherein the host computer is communicatively connected to the control system, specifically: the upper computer is connected with the control system through an optical fiber.
6. A method for detecting a power electronic dc transformer, applied to the detection device of a power electronic dc transformer according to any one of claims 1 to 5, the method comprising:
The auxiliary transformer responds to a test command of the control system, the low voltage output by the direct current power supply is increased to the rated working voltage of the high-voltage side of the auxiliary transformer, and the flowing direction and the flowing size of electric energy are regulated, so that the first tested transformer and the second tested transformer are in a test state;
When the first transformer to be tested and the second transformer to be tested are in a test state, the control system obtains running state information of the first transformer to be tested and the second transformer to be tested, and adjusts the test command according to an adjustment instruction.
7. The method for detecting a power electronic dc transformer according to claim 6, further comprising:
the upper computer receives the test command input by the working tester and sends the test command to the control system; and receiving and displaying the running state information, so that a tester inputs the adjustment instruction according to the running state information and sends the adjustment instruction to the control system.
8. A detection device for a power electronic dc transformer, the device comprising a processor and a memory:
The memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to perform the method of detecting a power electronic dc transformer according to any one of claims 6-7 according to instructions in the program code.
9. A computer readable storage medium for storing program code for performing the method of detecting a power electronic dc transformer according to any one of claims 6-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111094450.8A CN113805002B (en) | 2021-09-17 | 2021-09-17 | Detection device, method and equipment for power electronic direct current transformer and storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111094450.8A CN113805002B (en) | 2021-09-17 | 2021-09-17 | Detection device, method and equipment for power electronic direct current transformer and storage medium |
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| CN113805002A CN113805002A (en) | 2021-12-17 |
| CN113805002B true CN113805002B (en) | 2024-06-18 |
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| CN103399228B (en) * | 2013-07-30 | 2016-05-25 | 苏州汇川技术有限公司 | The total power burn in test circuit of current transformer or frequency converter |
| CN203825115U (en) * | 2014-04-21 | 2014-09-10 | 郭高朋 | Full-power test device of STATCOM sub modules |
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| CN204679566U (en) * | 2015-06-11 | 2015-09-30 | 中国西电电气股份有限公司 | A kind of high pressure flexible direct current transmitted power unit forceful electric power test loop |
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| CN113030613B (en) * | 2021-03-01 | 2022-09-20 | 西安西电电力***有限公司 | Direct-current transformer complete machine test system and method |
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| CN104034981A (en) * | 2014-06-18 | 2014-09-10 | 上海吉亿电机有限公司 | Self-circulation aging test system and test method for frequency converter |
| CN112557792A (en) * | 2020-12-04 | 2021-03-26 | 广东电网有限责任公司 | Power electronic transformer power module online testing device and method thereof |
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