CN115774664A - Real-time simulation test method and system for low-frequency power transmission device and terminal equipment - Google Patents
Real-time simulation test method and system for low-frequency power transmission device and terminal equipment Download PDFInfo
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Abstract
The application relates to a real-time simulation test method, a real-time simulation test system and a terminal device of a low-frequency power transmission device, wherein the method comprises the steps of controlling the real-time simulation system of the low-frequency power transmission and the low-frequency power transmission device to start and operate; the fault trigger data is set on the real-time simulation system of the low-frequency power transmission device through the workstation, and the fault is simulated on the real-time simulation system of the low-frequency power transmission device according to the fault trigger data so as to test the functions and the performances of a fan controller, a rectification controller and a current conversion controller on the low-frequency power transmission device. According to the real-time simulation test method for the low-frequency power transmission device, the low-frequency power transmission real-time simulation system and the workstation are matched with each other to realize simulation test on the low-frequency power transmission device, and the technical problem that the existing offshore wind power flexible low-frequency power transmission system does not have a real-time simulation system and a test method for the existing offshore wind power flexible low-frequency power transmission system is solved.
Description
Technical Field
The application relates to the technical field of offshore wind power, in particular to a real-time simulation test method and system for a low-frequency power transmission device and terminal equipment.
Background
Aiming at medium-distance and long-distance offshore wind power, low-frequency alternating current transmission is taken as an extremely competitive offshore wind power transmission alternative scheme, and the low-frequency alternating current transmission can reduce the power transmission frequency of an offshore alternating current system, so that the current-carrying capacity of an alternating current submarine cable can be improved, the charging current of the submarine cable is reduced, and the transmission distance is greatly increased; meanwhile, no offshore converter station is required to be built, so that the construction and maintenance cost is greatly reduced, and the method has wide application potential in the aspect of deep and remote sea wind power plant grid connection in the future.
At present, researches on flexible low-frequency power transmission technologies mainly focus on theoretical researches, application in laboratory prototype and medium-low voltage scenes, and the researches do not aim at aspects of flexible low-frequency power transmission system construction technologies, system control protection technologies, key equipment development and the like in an offshore wind power transmission scene. Before large-scale construction of low-frequency power transmission projects applied to large-capacity offshore wind power access onshore main networks, a low-voltage and small-capacity dynamic simulation test platform and a real-environment verification platform need to be constructed, the construction scheme, the operation principle and the core equipment technology of the offshore wind power flexible low-frequency power transmission system are verified fully in advance, and a foundation is laid for realizing medium-distance and long-distance wind power grid connection by applying a flexible low-frequency technology in large scale in the future.
Disclosure of Invention
The embodiment of the application provides a real-time simulation test method, a real-time simulation test system and a terminal device for a low-frequency power transmission device, and is used for solving the technical problem that the existing offshore wind power flexible low-frequency power transmission system does not have a real-time simulation system and a test method for the existing offshore wind power flexible low-frequency power transmission system.
In order to achieve the above object, the embodiments of the present application provide the following technical solutions:
a real-time simulation test method of a low-frequency power transmission device is applied to a real-time simulation system of low-frequency power transmission, the real-time simulation system of low-frequency power transmission is connected with a workstation, and the real-time simulation test method of the low-frequency power transmission device comprises the following steps:
the low-frequency power transmission device comprises a fan controller connected with a fan, a rectification controller connected with a diode rectifier and a current conversion controller connected with a multilevel converter;
and setting fault trigger data on a real-time simulation system of the low-frequency power transmission device through a workstation, and simulating a fault in the real-time simulation system of the low-frequency power transmission device according to the fault trigger data so as to test the functions and the performances of a fan controller, a rectification controller and a current conversion controller on the low-frequency power transmission device.
Preferably, the real-time simulation test method for the low-frequency power transmission device comprises the following steps: setting first operation parameter data of a fan controller in the low-frequency power transmission device on a real-time simulation system of the low-frequency power transmission device through a workstation, and simulating the operation of the fan controller through the real-time simulation system of the low-frequency power transmission device according to the first operation parameter data so as to test whether the low-frequency power transmission device can normally operate.
Preferably, the real-time simulation test method for the low-frequency power transmission device comprises the following steps: and setting second operation parameter data of a rectification controller in the low-frequency power transmission device on a real-time simulation system of the low-frequency power transmission device through a workstation, and simulating the operation of the rectification controller through the real-time simulation system of the low-frequency power transmission device according to the second operation parameter data so as to test whether the low-frequency power transmission device can normally operate.
Preferably, the real-time simulation test method for the low-frequency power transmission device comprises the following steps: setting third operation parameter data of a converter controller in the low-frequency power transmission device on a real-time simulation system of the low-frequency power transmission device through a workstation, and simulating the operation of the converter controller through the real-time simulation system of the low-frequency power transmission device according to the third operation parameter data so as to test whether the low-frequency power transmission device can normally operate.
Preferably, before the low-frequency power transmission device is started by the real-time simulation system of the low-frequency power transmission device, the real-time simulation testing method of the low-frequency power transmission device includes: and respectively establishing simulation models corresponding to the fan controller, the rectification controller and the current conversion controller on a real-time simulation system of the low-frequency power transmission device, and carrying out simulation test on the fan controller, the rectification controller and the current conversion controller on the low-frequency power transmission device through the corresponding simulation models.
The application also provides a real-time simulation test system of the low-frequency power transmission device, which comprises a real-time simulation module, and a fan control module, a rectification control module and a current conversion control module which are respectively connected with the real-time simulation module through an interface module, wherein the real-time simulation module is also connected with a workstation;
the fan control module is used for being connected with a fan controller of the low-frequency power transmission device through the interface device and establishing a fan simulation model for the fan controller of the low-frequency power transmission device;
the rectification control module is used for being connected with a rectification controller of the low-frequency power transmission device through the interface device and establishing a rectification simulation model for the rectification controller of the low-frequency power transmission device;
the current conversion control module is used for being connected with a current conversion controller of the low-frequency power transmission device through the interface device and establishing a current converter simulation model for the current conversion controller of the low-frequency power transmission device;
the workstation is used for setting first operation parameter data, second operation parameter data, third operation parameter data and fault triggering data for the real-time simulation module to control the fan simulation model, the rectification simulation model and the current converter simulation model to carry out simulation test;
the real-time simulation module is used for carrying out simulation test on the low-frequency power transmission device according to the real-time simulation test method of the low-frequency power transmission device.
Preferably, the real-time simulation module is further connected with electrical equipment of the low-frequency power transmission device through an interface module, and the electrical equipment comprises a low-frequency box transformer, a junction box, a converter station low-frequency side alternating current filter, a low-frequency converter transformer, a converter valve, a smoothing reactor, a direct current energy consumption device and a bridge arm reactor.
Preferably, the fan control module is used for performing simulation test on at least one fan controller.
Preferably, the real-time simulation module is connected with the workstation through a network cable.
The application also provides a terminal device, which comprises a processor and a memory;
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is used for executing the real-time simulation test method of the low-frequency power transmission device according to the instructions in the program codes.
According to the technical scheme, the embodiment of the application has the following advantages: the method comprises the steps of controlling a real-time simulation system of low-frequency power transmission and the low-frequency power transmission device to start and operate; the fault trigger data is set on the real-time simulation system of the low-frequency power transmission device through the workstation, and the fault is simulated on the real-time simulation system of the low-frequency power transmission device according to the fault trigger data so as to test the functions and the performances of a fan controller, a rectification controller and a current conversion controller on the low-frequency power transmission device. According to the real-time simulation test method for the low-frequency power transmission device, the low-frequency power transmission real-time simulation system and the workstation are matched with each other to realize simulation test on the low-frequency power transmission device, and the technical problem that the existing offshore wind power flexible low-frequency power transmission system does not have a real-time simulation system and a test method for the existing offshore wind power flexible low-frequency power transmission system is solved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a flowchart illustrating steps of a real-time simulation test method for a low-frequency power transmission apparatus according to an embodiment of the present application;
fig. 2 is a block diagram of a real-time simulation test system of a low-frequency power transmission apparatus according to an embodiment of the present application;
fig. 3 is an electrical schematic diagram of flexible low frequency power transmission according to an embodiment of the present application.
Detailed Description
In order to make the objects, features and advantages of the present invention more apparent and understandable, the following embodiments of the present invention are clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The application provides a real-time simulation test method, a real-time simulation test system and a terminal device for a low-frequency power transmission device, which are used for solving the technical problem that the existing offshore wind power flexible low-frequency power transmission system does not have a real-time simulation system and a test method for the existing offshore wind power flexible low-frequency power transmission system.
In the embodiment of the application, as shown in fig. 3, the flexible low-frequency power transmission includes a low-frequency fan, a low-frequency box connected to the fan, a junction box connected to the low-frequency box, and a low-frequency power transmission device connected to the junction box through a cable, where the low-frequency power transmission device of the switching station includes a low-frequency side ac filter, a low-frequency converter transformer, a DRU converter valve, a smoothing reactor, a dc energy consumption device, an MMC converter valve, and a bridge arm reactor, and an output of the MMC converter valve is an ac 50Hz power source and is connected to a 10kV switching station through a 10kV line inlet cabinet.
As shown in fig. 3, the flexible low-frequency power transmission is performed by outputting 20Hz through three 1.5MW low-frequency fans, transforming the output through a 0.69/10kV low-frequency box, collecting the output to a 10kV combiner cabinet, and connecting the output to a 10kV low-frequency power transmission device of a switching station through a 10kV cable.
The first embodiment is as follows:
fig. 1 is a flowchart illustrating steps of a real-time simulation test method for a low-frequency power transmission device according to an embodiment of the present application.
As shown in fig. 1, the present application provides a real-time simulation test method for a low-frequency power transmission device, which is applied to a real-time simulation system for low-frequency power transmission, the real-time simulation system for low-frequency power transmission is connected to a workstation, and the real-time simulation test method for the low-frequency power transmission device includes the following steps:
and S10, controlling the real-time simulation system of low-frequency power transmission and the low-frequency power transmission device to start and operate, wherein the low-frequency power transmission device comprises a fan controller connected with a fan, a rectification controller connected with a diode rectifier and a current conversion controller connected with a multi-level current converter.
In step S10, the operation of the low-frequency power transmission device and the real-time simulation system for controlling low-frequency power transmission is mainly started by the workstation. In this embodiment, the low-frequency power transmission device is further provided with a controller for controlling the fan, the diode rectifier and the multilevel converter, wherein the multilevel converter may be an MMC converter valve, and the diode rectifier may also be a DRU converter valve.
And S20, setting fault trigger data on a real-time simulation system of the low-frequency power transmission device through the workstation, and simulating a fault in the real-time simulation system of the low-frequency power transmission device according to the fault trigger data so as to test functions and performances of a fan controller, a rectification controller and a current conversion controller on the low-frequency power transmission device.
It should be noted that, in step S20, mainly, the fault trigger data is set on the workstation, and the real-time simulation system of the low-frequency power transmission device is used to simulate a fault of the low-frequency power transmission device, so as to test functions and performances of the fan controller, the rectifier controller, and the converter controller on the low-frequency power transmission device. In the present embodiment, the fault trigger data includes a fault type and a fault parameter, and the fault type includes a grid fault and a fault of a system device. The fault parameters of the power grid faults such as the single-phase earth fault of the power grid voltage comprise the fault duration, and the fault duration can be 10 ms-100 ms; the system comprises a low-frequency power transmission device, a power grid controller and a power grid controller, wherein the power grid fault is adopted for simulating faults, and in the process of carrying out fault simulation test on the low-frequency power transmission device, the performance and the function of the low-frequency power transmission device can be judged according to whether the low-frequency power transmission device can normally work, such as whether a fan is locked or not, whether the fan is separated from the power grid after tripping and the like. For example, when the low-frequency power transmission device is subjected to fault simulation test, the faults of the corresponding equipment cannot cause the faults of other equipment, so that the functions, the performances and the like of a fan controller, a rectification controller and a current conversion controller on the low-frequency power transmission device can be tested.
The real-time simulation test method of the low-frequency power transmission device comprises the steps of controlling a real-time simulation system of low-frequency power transmission and starting and running of the low-frequency power transmission device; the fault trigger data is set on the real-time simulation system of the low-frequency power transmission device through the workstation, and the fault is simulated on the real-time simulation system of the low-frequency power transmission device according to the fault trigger data so as to test the functions and the performances of a fan controller, a rectification controller and a current conversion controller on the low-frequency power transmission device. According to the real-time simulation test method for the low-frequency power transmission device, the low-frequency power transmission real-time simulation system and the workstation are matched with each other to realize simulation test of the low-frequency power transmission device, and the technical problem that the existing offshore wind power flexible low-frequency power transmission system does not have a real-time simulation system and a test method is solved.
As shown in fig. 1, in an embodiment of the present application, a real-time simulation test method for a low-frequency power transmission apparatus includes: and S30, setting first operation parameter data of a fan controller in the low-frequency power transmission device on a real-time simulation system of the low-frequency power transmission device through a workstation, and simulating the operation of the fan controller through the real-time simulation system of the low-frequency power transmission device according to the first operation parameter data so as to test whether the low-frequency power transmission device can normally operate.
It should be noted that the first operation parameter data includes a reactive power reference value, a controller proportional regulation coefficient, an integral regulation coefficient, an overvoltage protection parameter, an overcurrent protection parameter, a dc voltage parameter, and the like of the wind turbine. The functions of the fan comprise a starting function, an instruction input function, a power curve setting function and the like. In this embodiment, the real-time simulation system of the low-frequency power transmission device simulates the fan controller to perform one-by-one test according to the first operation parameter data during the operation process, and the comparison between the voltage and current data obtained during the simulation test process and the normal operation data of the low-frequency power transmission device is used to determine whether the low-frequency power transmission device can operate normally.
As shown in fig. 1, in an embodiment of the present application, a real-time simulation test method for a low-frequency power transmission apparatus includes: and S40, setting second operation parameter data of the rectifier controller in the low-frequency power transmission device on a real-time simulation system of the low-frequency power transmission device through the workstation, and simulating the operation of the rectifier controller through the real-time simulation system of the low-frequency power transmission device according to the second operation parameter data so as to test whether the low-frequency power transmission device can normally operate.
It should be noted that the second operation parameter data includes a proportional regulation coefficient, an integral regulation coefficient, an overvoltage protection parameter, an overcurrent protection parameter, a dc voltage parameter, and the like of the diode rectifier dc voltage reference controller. The functions of the diode rectifier include a starting function, an input instruction function and the like. In this embodiment, the real-time simulation system of the low-frequency power transmission device is used to simulate the operation of the rectifier controller according to the second operation parameter data, and the voltage and current data obtained in the simulation test process are compared with the normal operation data of the low-frequency power transmission device to determine whether the low-frequency power transmission device can operate normally.
As shown in fig. 1, in an embodiment of the present application, a real-time simulation test method for a low-frequency power transmission apparatus includes: s50, setting third operation parameter data of a converter controller in the low-frequency power transmission device on a real-time simulation system of the low-frequency power transmission device through the workstation, and simulating the operation of the converter controller through the real-time simulation system of the low-frequency power transmission device according to the third operation parameter data to test whether the low-frequency power transmission device can normally operate.
It should be noted that the third operation parameter data includes a proportional adjustment coefficient, an integral adjustment coefficient, an overvoltage protection parameter, an overcurrent protection parameter, a dc voltage parameter, and the like of the dc voltage reference controller of the multilevel converter. The functions of the multilevel converter include a starting function, an instruction inputting function and the like. In this embodiment, the real-time simulation system of the low-frequency power transmission device simulates the operation of the commutation controller according to the third operation parameter data, and the voltage and current data obtained in the simulation test process are compared with the data of the normal operation of the low-frequency power transmission device to determine whether the low-frequency power transmission device can operate normally.
In an embodiment of the present application, before starting a low-frequency power transmission device through a real-time simulation system of the low-frequency power transmission device, a real-time simulation test method of the low-frequency power transmission device includes: and respectively establishing simulation models corresponding to the fan controller, the rectification controller and the current conversion controller on a real-time simulation system of the low-frequency power transmission device, and performing simulation test on the fan controller, the rectification controller and the current conversion controller on the low-frequency power transmission device through the corresponding simulation models.
Example two:
fig. 2 is a block diagram of a real-time simulation test system of a low-frequency power transmission device according to an embodiment of the present application.
As shown in fig. 2, the present application further provides a real-time simulation test system for a low-frequency power transmission device, which includes a real-time simulation module 10, and a fan control module 30, a rectification control module 40, and a commutation control module 50 that are respectively connected to the real-time simulation module 10 through an interface module 20, where the real-time simulation module 10 is further connected to a workstation 60;
the fan control module 30 is used for being connected with a fan controller of the low-frequency power transmission device through an interface device and establishing a fan simulation model for the fan controller of the low-frequency power transmission device;
the rectification control module 40 is used for connecting with a rectification controller of the low-frequency power transmission device through an interface device and establishing a rectification simulation model for the rectification controller of the low-frequency power transmission device;
a current conversion control module 50, configured to connect to a current conversion controller of the low-frequency power transmission apparatus through an interface device, and establish a current converter simulation model for the current conversion controller of the low-frequency power transmission apparatus;
the workstation 60 is used for setting first operation parameter data, second operation parameter data, third operation parameter data and fault triggering data for the real-time simulation module to control the fan simulation model, the rectification simulation model and the current converter simulation model to carry out simulation test;
and the real-time simulation module 10 is configured to perform simulation testing on the low-frequency power transmission device according to the real-time simulation testing method for the low-frequency power transmission device.
It should be noted that, in the second embodiment, the content of the real-time simulation test method for the low-frequency power transmission device is already described in the first embodiment, and the content of the real-time simulation test method for the low-frequency power transmission device is not described again in this embodiment. In this embodiment, the fan control module 30 can be connected to the fan controllers of three 1.5MW low frequency fans through the interface module 20. The real-time simulation module 10 can be arranged on the workstation 60 or on other terminal equipment, the workstation 60 is connected with the real-time simulation module 10 through a network cable, the real-time simulation module 10 can conveniently perform simulation test on the low-frequency power transmission device, and the workstation 60 can convert a rectification simulation model, a fan simulation model and a current converter simulation model into the real-time simulation module 10 to perform test or control on the operation of the models. The interface module 20 may be a communication interface, such as an analog-to-digital conversion interface.
In the embodiment of the present application, the real-time simulation module 10 is further connected to electrical equipment of the low-frequency power transmission device through the interface module 20, where the electrical equipment includes a low-frequency box transformer, a junction box, a low-frequency side ac filter of a converter station, a low-frequency converter transformer, a converter valve, a smoothing reactor, a dc energy dissipation device, and a bridge arm reactor.
The real-time simulation module 10 may also perform simulation operation on the electrical equipment of the low-frequency power transmission device. In the process of simulation operation of the real-time simulation test system of the low-frequency power transmission device, electrical equipment of the low-frequency power transmission device is transmitted to the real-time simulation module 10 through a network cable through a workstation to operate, and then power supplies of the fan controller, the rectification controller and the current conversion controller are respectively started, so that the whole low-frequency power transmission device is started.
Example three:
the application also provides a terminal device, which comprises a processor and a memory;
a memory for storing the program code and transmitting the program code to the processor;
and the processor is used for executing the real-time simulation test method of the low-frequency power transmission device according to the instructions in the program codes.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one type of logical functional division, and other divisions may be realized in practice, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed 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 can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A real-time simulation test method of a low-frequency power transmission device is applied to a real-time simulation system of low-frequency power transmission, and is characterized in that the real-time simulation system of low-frequency power transmission is connected with a workstation, and the real-time simulation test method of the low-frequency power transmission device comprises the following steps:
the low-frequency power transmission device comprises a fan controller connected with a fan, a rectification controller connected with a diode rectifier and a current conversion controller connected with a multilevel converter;
and setting fault trigger data on a real-time simulation system of the low-frequency power transmission device through a workstation, and simulating a fault in the real-time simulation system of the low-frequency power transmission device according to the fault trigger data so as to test the functions and the performances of a fan controller, a rectification controller and a current conversion controller on the low-frequency power transmission device.
2. The method for real-time simulation testing of a low-frequency power transmission device according to claim 1, comprising: setting first operation parameter data of a fan controller in the low-frequency power transmission device on a real-time simulation system of the low-frequency power transmission device through a workstation, and simulating the operation of the fan controller through the real-time simulation system of the low-frequency power transmission device according to the first operation parameter data so as to test whether the low-frequency power transmission device can normally operate.
3. The real-time simulation test method for a low-frequency power transmission apparatus according to claim 1, comprising: and setting second operation parameter data of a rectification controller in the low-frequency power transmission device on a real-time simulation system of the low-frequency power transmission device through a workstation, and simulating the operation of the rectification controller through the real-time simulation system of the low-frequency power transmission device according to the second operation parameter data so as to test whether the low-frequency power transmission device can normally operate.
4. The real-time simulation test method for a low-frequency power transmission apparatus according to claim 1, comprising: setting third operation parameter data of a converter controller in the low-frequency power transmission device on a real-time simulation system of the low-frequency power transmission device through a workstation, and simulating the operation of the converter controller through the real-time simulation system of the low-frequency power transmission device according to the third operation parameter data so as to test whether the low-frequency power transmission device can normally operate.
5. The method according to claim 1, wherein before the low-frequency power transmission device is started by the real-time simulation system of the low-frequency power transmission device, the method comprises: and respectively establishing simulation models corresponding to the fan controller, the rectification controller and the current conversion controller on a real-time simulation system of the low-frequency power transmission device, and carrying out simulation test on the fan controller, the rectification controller and the current conversion controller on the low-frequency power transmission device through the corresponding simulation models.
6. A real-time simulation test system of a low-frequency power transmission device is characterized by comprising a real-time simulation module, a fan control module, a rectification control module and a current conversion control module, wherein the fan control module, the rectification control module and the current conversion control module are respectively connected with the real-time simulation module through an interface module;
the fan control module is used for being connected with a fan controller of the low-frequency power transmission device through the interface device and establishing a fan simulation model for the fan controller of the low-frequency power transmission device;
the rectification control module is used for being connected with a rectification controller of the low-frequency power transmission device through the interface device and establishing a rectification simulation model for the rectification controller of the low-frequency power transmission device;
the current conversion control module is used for being connected with a current conversion controller of the low-frequency power transmission device through the interface device and establishing a current converter simulation model for the current conversion controller of the low-frequency power transmission device;
the workstation is used for setting first operation parameter data, second operation parameter data, third operation parameter data and fault triggering data for the real-time simulation module to control the fan simulation model, the rectification simulation model and the current converter simulation model to carry out simulation test;
the real-time simulation module is used for carrying out simulation test on the low-frequency power transmission device according to the real-time simulation test method of the low-frequency power transmission device as claimed in any one of claims 1 to 5.
7. The system according to claim 6, wherein the real-time simulation module is further connected to electrical equipment of the low-frequency power transmission device through an interface module, and the electrical equipment comprises a low-frequency box transformer, a combiner cabinet, a converter station low-frequency side alternating current filter, a low-frequency converter transformer, a converter valve, a smoothing reactor, a direct current energy consumption device and a bridge arm reactor.
8. The system according to claim 6, wherein the fan control module is configured to perform simulation testing on at least one fan controller.
9. The real-time simulation test system of a low-frequency power transmission device according to claim 6, wherein the real-time simulation module is connected to the workstation through a network cable.
10. A terminal 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 a method of real-time simulation testing of a low frequency power transmission apparatus according to any one of claims 1-5 in accordance with instructions in the program code.
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| CN202211247627.8A CN115774664A (en) | 2022-10-12 | 2022-10-12 | Real-time simulation test method and system for low-frequency power transmission device and terminal equipment |
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| CN202211247627.8A CN115774664A (en) | 2022-10-12 | 2022-10-12 | Real-time simulation test method and system for low-frequency power transmission device and terminal equipment |
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