CN114785724B - Remote test system - Google Patents
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- CN114785724B CN114785724B CN202210389646.8A CN202210389646A CN114785724B CN 114785724 B CN114785724 B CN 114785724B CN 202210389646 A CN202210389646 A CN 202210389646A CN 114785724 B CN114785724 B CN 114785724B
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- 238000012360 testing method Methods 0.000 title claims abstract description 89
- 238000004088 simulation Methods 0.000 claims abstract description 144
- 230000006854 communication Effects 0.000 claims abstract description 60
- 238000004891 communication Methods 0.000 claims abstract description 54
- 238000013523 data management Methods 0.000 claims abstract description 36
- 230000007474 system interaction Effects 0.000 claims abstract description 14
- 230000003993 interaction Effects 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 20
- 238000007726 management method Methods 0.000 claims description 18
- 238000013507 mapping Methods 0.000 claims description 6
- 238000011217 control strategy Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005094 computer simulation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011076 safety test Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/18—Protocol analysers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
Abstract
The invention discloses a remote test system, comprising: the output end of the data management module is in communication connection with the stability control device of the station to be tested through the protocol simulation module and is used for sending simulation data of the simulation system to the stability control device; the input end of the protocol simulation module is in communication connection with the output end of the data management module, and the output end of the protocol simulation module is in communication connection with the input end of the stability control device; the protocol simulation module is used for simulating a protocol between the direct current device and the stability control device and is used for decoupling the direct current device and decoupling different stability control devices during testing; the input end of the simulation system interaction module is in communication connection with the output end of the stability control device and is used for receiving operation data of the stability control device for operation based on simulation data; the output end of the simulation system is in communication connection with the input end of the simulation system, and is used for sending the operation data to the simulation system so as to test based on the simulation system and obtain a test result. The invention can directly test the stability control system, and improves the test efficiency.
Description
Technical Field
The invention relates to the technical field of safety test of power equipment, in particular to a remote test system.
Background
The safety and stability control system is crucial to ensuring the safety and stability operation of the power grid, the test system of the stability system is incomplete in the aspects of the universality of a stability control test instrument, the code level test of device software, the strategy action time sequence check, the accident inversion playback and the like, and the debugging quality of the stability control device depends on the experience of field debugging personnel. In addition, the existing test of the level of the stable control system needs to build a complex actual station system, and particularly relates to a test of a direct current system and interconnection of a plurality of stable control stations.
Therefore, a remote testing system is needed to solve the problem of low testing efficiency in the prior art.
Disclosure of Invention
In view of the above, the present invention provides a remote testing system for solving the problem of low testing efficiency in the prior art. To achieve one or a part or all of the above and other objects, the present invention provides a remote testing system, comprising: the output end of the data management module is in communication connection with the stability control device of the station to be tested through the protocol simulation module, and is used for sending simulation data of the simulation system obtained by the protocol simulation module to the stability control device;
the input end of the protocol simulation module is in communication connection with the output end of the data management module, and the output end of the protocol simulation module is in communication connection with the input end of the stability control device; the protocol simulation module is used for simulating a protocol between the direct current device and the stability control device and is used for decoupling the direct current device and decoupling different stability control devices during testing;
the input end of the simulation system interaction module is in communication connection with the output end of the stability control device and is used for receiving operation data of the stability control device for operation based on simulation data; the output end of the simulation system is in communication connection with the input end of the simulation system, and the simulation system is used for transmitting the operation data to the simulation system, so that the simulation system performs a test based on the operation data to obtain a test result.
Preferably, the data management module includes: the system comprises a local control man-machine interface sub-module, a system management process sub-module and a local background communication process sub-module which are sequentially connected in a communication way;
the local control man-machine interface sub-module is used for receiving man-machine interaction data and sending the man-machine interaction data to the system management process sub-module; the system management process submodule is used for searching a preset mapping management table based on the man-machine interaction data to determine the interface type of the stability control device and determining simulation data corresponding to the interface type based on the interface type; the local background communication process sub-module is used for starting a test task so as to send the simulation data to the stability control device through the protocol simulation module.
Preferably, the input end of the protocol simulation module is also in communication connection with the output end of the simulation system, and is used for acquiring simulation data of the simulation system in real time.
Preferably, the simulation system interaction module is provided with a real-time UDP driving module, and the simulation system interaction module is used for being in communication connection with the stability control device by adopting a communication mode of 5G CPE based on the real-time UDP driving module;
preferably, the output end of the simulation system interaction module is in communication connection with the simulation system through a high-speed communication interface.
Preferably, the data management module comprises a multi-core SOC chip.
Preferably, the simulation system is an RTDS simulation system.
Preferably, the protocol simulation module further comprises: the system comprises an on-site data management module, a protocol control module, a direct current protocol data control module and an inter-station system protocol data control module;
the data input end of the local data management module is in communication connection with the output end of the protocol control module, and the protocol state output end of the local data management module is in communication connection with the input end of the protocol control module;
the protocol control module comprises a control data unit and a protocol state data unit; the output end of the protocol control module is in communication connection with the input end of the direct current protocol data control module and the input end of the inter-station system protocol data control module, and is used for sending protocol data to the direct current protocol data control module and the inter-station system protocol data control module;
the direct-current protocol data control module is used for outputting direct-current data and is also used for inputting direct-current data;
the inter-station system protocol data control the module is used for outputting data between stations, the inter-station system protocol data control module is also used for inter-station data input.
Preferably, the simulation system interaction module is further provided with a simulation real-time data interaction module, a data area, a simulation data management module and a real-time UDP driving module;
the simulation data management module is used for acquiring data from the data area and acquiring simulation data from the protocol simulation module; the pass-through simulation data management module is also used for passing through the real-time UDP the driving module sends the acquired simulation data to a stability control device; the simulation data management module is also used for acquiring the operation data of the stability control device through the real-time UDP driving module and storing the operation data into a data area;
the simulation real-time data interaction module is in communication connection with the simulation system and is used for acquiring the operation data of the stability control device from the data area and sending the operation data of the stability control device to the simulation system; the simulation real-time data interaction module is further used for acquiring real-time data from the simulation system and storing the acquired real-time data into the data area, wherein the real-time data comprises the simulation data and the test result.
The implementation of the embodiment of the invention has the following beneficial effects: the remote test system can fully utilize the simulation result of the existing RTDS system, is connected with the site stability control terminal test terminal through the 5G communication technology, extends the RTDS system in the laboratory environment to the site, constructs a panoramic cloud test system of the stability system, efficiently and completely realizes the standardized test of the control strategy of the stability system and the remote distributed closed loop dynamic simulation, and is used for the safe and stable operation of a power grid. Meanwhile, the protocol simulation module can simulate interaction protocols of the direct current device and the stability control device and interaction protocols among different stability control stations, is used for decoupling the direct current system and the stability control systems of other stations which are interconnected with the tested stability control during the stability control strategy test, and is directly tested for the stability control systems through the test system, so that the construction of a test environment is simplified, manpower and material resources are saved, the test process is accelerated, and the test efficiency is improved. The convenience of stability control test is further improved, and an efficient guarantee means is provided for rapid test of a stability control system strategy. The remote test system in the embodiment of the invention can also finish remote transmission of the simulation data of the RTDS system, and transmit the remote action information data back to the RTDS system to finish closed-loop simulation, so as to perform the next strategy test, and compared with the prior offline simulation test, the remote test system is more flexible and can finish more complex faults; meanwhile, the method for decoupling the direct current system and other stable control master station systems can complete the test of the stable control strategy of the complex cross-system interconnection by only providing the system, is fast and convenient to implement, does not need to build a complex test environment, is more practical, and improves the test efficiency.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Wherein:
FIG. 1 is a schematic diagram of a remote test system in one embodiment.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment provides a remote test system, as shown in fig. 1, which comprises a data management module 1, wherein the output end of the data management module is in communication connection with a stability control device of a station to be tested through a protocol simulation module 2, and is used for sending simulation data of a simulation system obtained by the protocol simulation module 2 to the stability control device;
the input end of the protocol simulation module 2 is in communication connection with the output end of the data management module 1, and the output end of the protocol simulation module is in communication connection with the input end of the stability control device; the protocol simulation module 2 is used for simulating a protocol between the direct current device and the stability control device, and is used for decoupling the direct current device and decoupling different stability control devices during testing;
the input end of the simulation system interaction module 3 is in communication connection with the output end of the stability control device and is used for receiving operation data of the stability control device for operation based on simulation data; the output end of the simulation system is in communication connection with the input end of the simulation system, and the simulation system is used for transmitting the operation data to the simulation system, so that the simulation system performs a test based on the operation data to obtain a test result.
In a specific implementation process of this embodiment, the simulation system may specifically be an RTDS simulation system. The data management module 1 specifically includes: the system comprises a local control man-machine interface sub-module, a system management process sub-module and a local background communication process sub-module which are sequentially connected in a communication mode. The local control man-machine interface sub-module is used for receiving man-machine interaction data and sending the man-machine interaction data to the system management process sub-module; the system management process submodule is used for searching a preset mapping management table based on the man-machine interaction data to determine the interface type of the stability control device and determining simulation data corresponding to the interface type based on the interface type; the local background communication process sub-module is used for starting a test task so as to send the simulation data to the stability control device through the protocol simulation module. In the specific implementation process, the data management module can be particularly used for configuration management and local test control, wherein the configuration management mainly comprises mapping management of RTDS data and mapping management of simulation protocols, and the simulation data of the RTDS system are matched with the stability control devices of different interfaces and different interface protocols through a mapping method so as to adapt to the test of the stability control systems of different stations; the local test control is mainly to directly control the device of the invention to perform functional test through a local background. And the data management module comprises a multi-core SOC chip.
In the implementation process of the embodiment, the input end of the protocol simulation module is also in communication connection with the output end of the simulation system, and is used for acquiring simulation data of the simulation system in real time. And the protocol simulation module comprises a multi-core SOC chip. And the protocol simulation module also comprises: the system comprises an on-site data management module, a protocol control module, a direct current protocol data control module and an inter-station system protocol data control module; the data input end of the local data management module is in communication connection with the output end of the protocol control module, and the protocol state output end of the local data management module is in communication connection with the input end of the protocol control module; the protocol control module comprises a control data unit and a protocol state data unit; the output end of the protocol control module is also in communication connection with the input end of the direct current protocol data control module and the input end of the inter-station system protocol data control module, and is used for sending the protocol data to the direct current protocol data control module and the inter-station system protocol data control module. The direct current protocol data control module is used for outputting direct current data and is also used for inputting direct current data. The inter-station system protocol data control module is used for outputting inter-station data and is also used for inputting inter-station data. The real-time system runs real-time tasks, and the real-time performance of the system is ensured by adopting a management mode of hard interrupt and timing; the high-speed data communication interface and protocol transceiver are processed in parallel through the FPGA, so that the high-speed data processing capability and instantaneity of the system can be further ensured. And the data of the protocol simulation module can be derived from real-time data of an RTDS system, can also be controlled by local management, and can be subjected to strategy test of a stability control system by adopting the RTDS system and the local control.
In the implementation process of the embodiment, the simulation system interaction module is provided with a real-time UDP driving module, and the real-time UDP driving module is used for being in communication connection with the stability control device/remote test terminal by adopting a 5G CPE communication mode. The simulation system interaction module 3 in the embodiment is further provided with an RTDS real-time data interaction module, a data area, an RTDS data management module and a real-time UDP driving module, wherein the RTDS data management module is used for acquiring data from the data area and simulation data from the protocol simulation module, and then the data are sent to the remote experiment terminal/stability control device through the real-time UDP driving module; and the RTDS data management module is also used for acquiring the operation data of the remote experiment terminal through the real-time UDP driving module and storing the operation data into the data area. The RTDS real-time data interaction module is in communication connection with the RTDS simulation system and is used for acquiring the operation data of the remote terminal from the data area and transmitting the operation data of the remote experimental terminal/stability control device to the RTDS simulation system; the RTDS real-time data interaction module is also used for acquiring real-time data from the RTDS simulation system and storing the real-time data into the data area, wherein the real-time data comprises simulation data and test results. In this embodiment, by adopting the interaction between the network mode and the 5G CPE, and the interaction task running on the real-time system side, an embedded UDP communication module is adopted, so as to reduce the time delay and accurately manage the message communication time to ensure the communication time.
In the implementation process of the embodiment, the output end of the simulation system interaction module is in communication connection with the simulation system through a high-speed communication interface.
The remote test system in the embodiment of the invention can fully utilize the simulation result of the existing RTDS system, connect a site stability control terminal test terminal through a 5G communication technology, extend the RTDS system in a laboratory environment to the site, construct a panoramic cloud test system of the stability system, efficiently and completely realize the standardized test of the control strategy of the stability system and the remote distributed closed loop dynamic simulation, and serve the safe and stable operation of a power grid.
Meanwhile, the protocol simulation module can simulate interaction protocols of the direct current device and the stability control device and interaction protocols among different stability control stations, and is used for decoupling the direct current system and the stability control systems of other stations which are interconnected with the tested stability control during the stability control strategy test, and the stability control systems are directly tested by the test system, so that the construction of a test environment is simplified, and the test efficiency is improved. The convenience of stability control test is further improved, and an efficient guarantee means is provided for rapid test of a stability control system strategy.
In addition, the remote test system in the embodiment of the invention can finish the remote transmission of the simulation data of the RTDS system, and transmit the remote action information data back to the RTDS system to finish the closed-loop simulation, so as to perform the next strategy test, and compared with the prior offline simulation test, the remote test system is more flexible and can finish more complex faults; meanwhile, the method for decoupling the direct current system and other stable control master station systems can complete the test of the stable control strategy of the complex cross-system interconnection by only providing the system, is fast and convenient to implement, does not need to build a complex test environment, is more practical, and improves the test efficiency.
According to the remote test system in the embodiment, the laboratory RTDS system is extended to a remote factory station and forms a closed loop system for testing a stability control strategy on site, so that expensive equipment which can only operate in a laboratory environment in the past is directly acted on the system test on site, the existing resources are fully utilized, greater benefits are brought, and the test is more complete and more complete; meanwhile, the direct current system and other stable control stations which are interconnected with the tested stable control system can be decoupled, a test environment can be quickly built, manpower and material resources are saved, and the test process is accelerated.
The foregoing disclosure is illustrative of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (7)
1. A remote testing system, comprising:
the output end of the data management module is in communication connection with the stability control device of the station to be tested through the protocol simulation module, and is used for sending simulation data of the simulation system obtained by the protocol simulation module to the stability control device;
the input end of the protocol simulation module is in communication connection with the output end of the data management module, and the output end of the protocol simulation module is in communication connection with the input end of the stability control device; the protocol simulation module is used for simulating a protocol between the direct current device and the stability control device and is used for decoupling the direct current device and decoupling different stability control devices during testing;
the input end of the protocol simulation module is also in communication connection with the output end of the simulation system and is used for acquiring simulation data of the simulation system in real time;
the input end of the simulation system interaction module is in communication connection with the output end of the stability control device and is used for receiving operation data of the stability control device for operation based on simulation data; the output end of the simulation system is in communication connection with the input end of the simulation system and is used for sending the operation data to the simulation system, so that the simulation system performs a test based on the operation data to obtain a test result;
wherein, the protocol simulation module further comprises: the system comprises an on-site data management module, a protocol control module, a direct current protocol data control module and an inter-station system protocol data control module;
the data input end of the local data management module is in communication connection with the output end of the protocol control module, and the protocol state output end of the local data management module is in communication connection with the input end of the protocol control module;
the protocol control module comprises a control data unit and a protocol state data unit; the output end of the protocol control module is in communication connection with the input end of the direct current protocol data control module and the input end of the inter-station system protocol data control module, and is used for sending protocol data to the direct current protocol data control module and the inter-station system protocol data control module;
the direct-current protocol data control module is used for outputting direct-current data and is also used for inputting direct-current data;
the inter-station system protocol data control module is used for outputting inter-station data, and the inter-station system protocol data control module is also used for inputting inter-station data.
2. The remote test system of claim 1, wherein the data management module comprises: the system comprises a local control man-machine interface sub-module, a system management process sub-module and a local background communication process sub-module which are sequentially connected in a communication way;
the local control man-machine interface sub-module is used for receiving man-machine interaction data and sending the man-machine interaction data to the system management process sub-module; the system management process submodule is used for searching a preset mapping management table based on the man-machine interaction data to determine the interface type of the stability control device and determining simulation data corresponding to the interface type based on the interface type; the local background communication process sub-module is used for starting a test task so as to send the simulation data to the stability control device through the protocol simulation module.
3. The remote test system according to claim 1, wherein the simulation system interaction module is provided with a real-time UDP driver module, and the real-time UDP driver module is configured to be communicatively connected to the stability control device by using a 5G CPE communication method.
4. The remote test system of claim 1, wherein the output of the simulation system interaction module is communicatively coupled to the simulation system via a high-speed communication interface.
5. The remote test system of claim 1, wherein the data management module comprises a multi-core SOC chip.
6. The remote test system of claim 1, wherein the simulation system is an RTDS simulation system.
7. The remote test system of claim 1, wherein the simulation system interaction module is further provided with a simulation real-time data interaction module, a data area, a simulation data management module, and a real-time UDP driver module;
the simulation data management module is used for acquiring data from the data area and acquiring simulation data from the protocol simulation module; the simulation data management module is also used for sending the obtained simulation data to a stability control device through the real-time UDP driving module; the simulation data management module is also used for acquiring the operation data of the stability control device through the real-time UDP driving module and storing the operation data into a data area;
the simulation real-time data interaction module is in communication connection with the simulation system and is used for acquiring the operation data of the stability control device from the data area and sending the operation data of the stability control device to the simulation system; the simulation real-time data interaction module is further used for acquiring real-time data from the simulation system and storing the acquired real-time data into the data area, wherein the real-time data comprises the simulation data and the test result.
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