CN117277552A - Smart power grid one-key sequential control checking system and method - Google Patents
Smart power grid one-key sequential control checking system and method Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00028—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment involving the use of Internet protocols
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
The invention discloses a smart power grid one-key sequential control checking system and a method, wherein the checking system comprises a centralized control master station, a data communication network shutdown, a monitoring host, an error prevention host and a one-key sequential control checking device; the centralized control master station is powered off through a data communication network and communicates with the monitoring host computer to initiate a sequential control ticket one-key sequential control instruction; the error prevention host is communicated with the monitoring host, and error prevention judgment is carried out before the monitoring host sends out a sequential control operation remote control command; the one-key sequential control checking device simulates a test environment through simulation transformer substation spacer layer equipment, receives and responds to sequential control operation remote control commands, and performs one-key sequential control checking through data interaction with a monitoring host and a centralized control master station; the centralized control master station, the monitoring host, the error prevention host, the data communication network shutdown and the one-key sequential control checking device form a one-key sequential control checking environment and a production running environment which are completely isolated. The intelligent power grid one-key sequential control uninterrupted automatic test can be realized.
Description
Technical Field
The invention belongs to the field of power system automation technology and power transformation operation and maintenance, and relates to a smart grid one-key sequential control checking system and method.
Background
The transformer substation is an important component part of the intelligent power grid, along with the development of the construction of the intelligent power grid, the one-key sequential control transformation of the stored transformer substation is more and more, the transformer substation control operation relates to the operation safety of the transformer substation, the transformer substation is taken as an important operation link of the transformer substation, and all operations need to be tested and accepted before the transformer substation is put into operation.
The conventional acceptance mode can only be tested one by manpower, and the problems of long time period, low efficiency and deep participation of personnel of the intelligent power grid in one-key sequential control joint debugging are solved. The existing smart power grid one-key sequential control checking technology has a plurality of problems, such as sequential control operation is initiated by a monitoring host in a station when a check system with complete functions is lacking in the smart power grid one-key sequential control, the in-station remote engine one-key sequential control instruction forwarding correctness check is not considered, the centralized control master station is not involved in the check, and one-key sequential control full-link check is omitted; the one-key sequential control double-confirmation information is obtained from the video monitoring host when the correctness of the one-key sequential control double-confirmation function of the monitoring host is checked, and the newly built transformer substation video monitoring host also needs to be checked, so that the checking cannot be synchronously performed with the one-key sequential control checking of the monitoring host, and the actual checking workflow of the one-key sequential control in the station is not fully considered; when the intelligent substation monitoring host performs closed-loop test, an IEC61850 protection measurement and control simulation device, the monitoring host, a station control layer switch, an IEC61850 network message record analyzer and a test workstation are needed, and the intelligent substation monitoring host is not connected into the in-station error-prevention host and the closed-loop test system. Therefore, the check system with perfect functions for the intelligent power grid one-key sequential control is lacking at present, the automatic check cannot be performed, and the intelligent power grid one-key sequential control automatic test requirement cannot be met.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a one-key sequential control checking system and method for a smart power grid, which are characterized in that a centralized control master station and a one-key sequential control checking device are in communication interaction through an expansion protocol, so that a closed-loop automatic test environment can be formed, the one-key sequential control environment and a production operation environment of a transformer substation are completely isolated, and the one-key sequential control uninterrupted automatic test of the smart power grid can be realized.
The invention adopts the following technical scheme.
A smart power grid one-key sequential control checking system comprises a centralized control master station, a data communication network shutdown, a monitoring host, an error prevention host and a one-key sequential control checking device;
the centralized control master station is powered off through a data communication network and communicates with the monitoring host computer to initiate a sequential control ticket one-key sequential control instruction;
the error prevention host is communicated with the monitoring host, and error prevention judgment is carried out before the monitoring host sends out a sequential control operation remote control command;
the one-key sequential control checking device simulates a test environment through simulation transformer substation spacer layer equipment, receives and responds to a sequential control operation remote control command sent by the monitoring host, and performs one-key sequential control checking through data interaction with the monitoring host and the centralized control master station;
the centralized control master station, the monitoring host, the error prevention host, the data communication network shutdown and the one-key sequential control checking device form a one-key sequential control checking environment and a production running environment which are completely isolated.
Preferably, the centralized control master station configures a sequential control ticket acceptance table of one-key sequential control of the transformer substation, and the sequential control ticket acceptance table is communicated with the data communication gateway machine so as to send a one-key sequential control instruction to the monitoring host machine through the shutdown of the data communication network and acquire sequential control execution result information returned by the monitoring host machine; the system also communicates with the one-key sequential control checking device to send a sequential control ticket to be checked, a test type and the sequential control execution result information message to the one-key sequential control checking device.
Preferably, the monitoring host is internally provided with sequential control ticket configuration information, and is used for sending a sequential control operation remote control command to the one-key sequential control checking device according to sequential control operation steps after receiving a one-key sequential control instruction, receiving response information of the one-key sequential control checking device to the remote control command, and returning a sequential control execution result information message according to the response information.
Preferably, the one-key sequential control checking device is provided with a simulation module, and is used for configuring control objects, operation preconditions, position main criteria and auxiliary criteria information related to sequential control ticket intervals to form a simulation test configuration information base, simulating transformer substation spacer layer equipment according to a transformer substation SCD file, simulating a test environment, executing sequential control operation remote control commands and sending remote control command response information to a monitoring host;
The one-key sequential control checking device is also used for forming a one-key sequential control checking test report according to the test type and the sequential control execution result information message.
Preferably, the error prevention host comprises a microcomputer simulation screen and an industrial control host, before the monitoring host sends out the remote control command, operations are previewed on the microcomputer simulation screen according to the content of the operation ticket, and the industrial control host performs error prevention judgment on each sequential control operation remote control command according to prestored sequential control operation step rules.
Preferably, the centralized control master station and the one-key sequential control checking device adopt IEC60870-5-104 expansion protocol for communication interaction, and ASDU is arranged on IEC 60870-5-104.
A smart power grid one-key sequential control checking method comprises the following steps:
step 1, a centralized control master station sends a to-be-checked sequential control ticket name and a test type to a one-key sequential control checking device according to a sequential control ticket checking and accepting table of one-key sequential control of a transformer substation, and the one-key sequential control checking device simulates a corresponding test environment; the centralized control master station sends a one-key sequential control instruction to the data communication network to be powered off;
step 2, the data communication network is shut down and transmits a one-key sequential control instruction to the monitoring host, the monitoring host communicates with the error prevention host before sending out a remote control instruction, the error prevention host performs error prevention judgment on each sequential control operation remote control instruction according to a pre-stored sequential control operation step rule, and the step 3 is entered when the judgment is passed;
Step 3, the monitoring host sends a sequential control operation remote control command to the one-key sequential control checking device according to the built-in sequential control ticket configuration information and the sequential control operation step, and the spacer layer equipment simulated by the simulation module responds to the remote control command of the executing monitoring host and sends remote control command response information to the monitoring host;
step 4, the monitoring host receives response information of the one-key sequential control checking device to the remote control command, generates a sequential control execution result information message according to the response information and sends the sequential control execution result information message to the centralized control master station through the data communication gateway machine;
and 5, the centralized control master station sends the sequential control execution result information message to the one-key sequential control checking device, and the one-key sequential control checking device forms a one-key sequential control checking test report according to the test type and the received sequential control execution result information message.
Preferably, the test types include a forward test, a pre-operation condition reverse test and a double-confirmation integrity reverse test, so as to respectively verify the correctness of the control object of the sequential control operation ticket, and the functions of stopping the sequential control operation when the monitoring host does not execute the sequential control operation and the monitoring host receives the auxiliary criterion information of the abnormal position under the condition that the pre-operation condition of the sequential control ticket is not satisfied.
Preferably, in step 1, when the test type is a forward test, the one-key sequential control checking device simulates a sequential control execution environment according to sequential control ticket configuration information;
when the test type is the reverse test of the pre-operation condition, the one-key sequential control checking device simulates the abnormal pre-operation condition environment according to sequential control ticket configuration information;
when the test type is double-confirmation integrity reverse test, the one-key sequential control checking device simulates an abnormal position auxiliary criterion state according to sequential control ticket configuration information.
Preferably, in step 5, when the test type is forward test, the one-key sequential control checking device comprehensively compares the control object identifier in the sequential control ticket with the control object identifier in the remote control command, and comprehensively judges and forms a sequential control operation ticket control object correctness test message by combining the control object identifier of the sequential control execution result information message;
when the test type is the pre-operation condition reverse test, the one-key sequential control checking device combines the simulated abnormal pre-operation condition and the sequential control execution result information message to judge comprehensively whether the pre-operation condition logic validity test message is carried with the pre-operation condition abnormality information;
when the test type is double-confirmation integrity reverse test, the one-key sequential control checking device combines the simulation abnormal position auxiliary criterion state and whether the sequential control execution result information message carries the main and auxiliary criterion double-confirmation abnormality information or not, and comprehensively judges and forms a sequential control main and auxiliary criterion logic validity test report of the sequential control host.
Preferably, the basis for comprehensively judging and forming the pre-operation conditional logic validity test message is as follows:
when the monitoring host receives response information that the condition before the sequential control ticket operation is not met, namely, when the one-key sequential control checking device simulates the condition before the abnormal operation, sequential control operation is not executed, and the generated sequential control execution result information message carries 'abnormal condition before the operation', when the sequential control execution result information message carries 'abnormal condition before the operation', the conclusion is consistent with the condition before the one-key sequential control checking device simulates the condition before the abnormal operation, and the logic of the condition before the operation is effective;
the basis for comprehensively judging and forming the sequential control main machine one-key sequential control main and auxiliary criterion logic validity test report is as follows:
when the monitoring host receives response information of the auxiliary criterion of the abnormal position, namely under the state that the one-key sequential control checking device simulates the auxiliary criterion of the abnormal position, the sequential control operation is stopped, and the generated sequential control execution result information message carries 'main and auxiliary criterion double confirmation abnormality', when the sequential control execution result information message carries 'main and auxiliary criterion double confirmation abnormality', the conclusion is consistent with the state that the one-key sequential control checking device simulates the auxiliary criterion of the abnormal position, and the sequential control host one-key sequential control main and auxiliary criterion logic is effective.
A terminal comprising a processor and a storage medium; the storage medium is used for storing instructions;
the processor is configured to operate in accordance with the instructions to perform the steps of the method.
A computer readable storage medium having stored thereon a computer program which when executed by a processor realizes the steps of the method.
The invention has the beneficial effects that compared with the prior art:
the invention provides a convenient, quick and functional intelligent power grid one-key sequential control checking system and a method, wherein the checking system is completely separated from a production running environment, a closed-loop checking environment is formed by connecting a one-key sequential control checking device and a centralized control master station end to end, test checking can be initiated automatically in a programmed manner, the one-key sequential control checking device is used for comprehensively comparing test checking contents with a monitoring master machine result returned by the centralized control master station, a checking report is output according to the comparison result, sequential control ticket configuration and functional correctness checking test of the centralized control master station and the monitoring master machine are realized, and one-key sequential control uninterrupted automatic test of the intelligent power grid can be completed.
The checking process comprises a centralized control master station, so that the forwarding correctness of the one-key sequential control instruction of the remote machine in the checking station can be synchronously checked, the one-key sequential control checking is closer to the actual application environment, and the checking is more comprehensive;
The invention supports the test that the double-confirmation auxiliary criterion in the station is a video signal, and according to the video text provided by a video host manufacturer, the one-key sequential control checking device automatically generates a video confirmation information file and transmits the video confirmation information file to the monitoring host, so that the one-key sequential control test is completed, the correctness of one-key sequential control operation logic of the monitoring host can be checked synchronously when the video monitoring host is checked in the station, the multitasking is performed simultaneously, the checking time is effectively saved, and the checking efficiency is prompted;
according to the invention, an in-station error-proof host is added in a checking environment, and the one-key sequential control checking device not only simulates in-station protection measurement and control equipment, but also can analyze interactive messages, so that one-key sequential control checking is more comprehensive; the checking environment is simpler to build.
Drawings
Fig. 1 is a schematic structural diagram of a smart grid one-key sequential control checking system according to the present invention.
Fig. 2 is a flowchart of a complete implementation of a smart grid one-key sequential control checking method according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described herein are merely some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are within the scope of the present invention.
As shown in fig. 1, embodiment 1 of the present invention provides a smart power grid one-key sequential control checking system, which includes a centralized control master station, a data communication network shutdown, a monitoring host, an error prevention host and a one-key sequential control checking device, wherein the centralized control master station is in communication connection with the monitoring host through the data communication network shutdown, the monitoring host is respectively in communication connection with the error prevention host and the one-key sequential control checking device, and the one-key sequential control checking device is also in communication connection with the centralized control master station;
in a preferred but non-limiting embodiment of the invention, the centralized control master station communicates with the monitoring host computer through the data communication network, and initiates a sequential control ticket one-key sequential control instruction; the error prevention host is communicated with the monitoring host, and error prevention judgment is carried out before the monitoring host sends out a sequential control operation remote control command; the one-key sequential control checking device simulates a test environment through simulation transformer substation spacer layer equipment, receives and responds to a sequential control operation remote control command sent by the monitoring host, and performs one-key sequential control checking through data interaction with the monitoring host and the centralized control master station; the centralized control master station, the monitoring host, the error prevention host, the data communication network shutdown and the one-key sequential control checking device form a one-key sequential control checking environment and a production running environment which are completely isolated.
Further preferably, the centralized control master station is a tested object, and is configured with a sequential control ticket acceptance table of one-key sequential control of the transformer substation, which is communicated with the data communication gateway machine, so as to send one-key sequential control instructions to the monitoring host machine through the shutdown of the data communication network and acquire sequential control execution result information messages returned by the monitoring host machine; the system also communicates with a one-key sequential control checking device to send sequential control tickets to be checked, test types and sequential control execution result information messages to the one-key sequential control checking device, and test case information and test return information can be exchanged;
the monitoring host is internally provided with sequential control ticket configuration information and is used for sending a sequential control operation remote control command to the one-key sequential control checking device according to sequential control operation steps after receiving a one-key sequential control command and receiving response information of the one-key sequential control checking device to the remote control command, and returning a sequential control execution result information message according to the response information;
the monitoring host is also a tested object, and forms a testing environment of a one-key sequential control instruction of the transformer substation together with the data communication network shutdown, the error prevention host and the one-key sequential control checking device, and the testing environment and the production running environment are completely isolated;
the error prevention host is used for performing error prevention judgment on each sequential control operation remote control command according to a prestored sequential control operation step rule before the monitoring host sends out the remote control command; specifically, the error prevention host comprises a microcomputer simulation screen and an industrial control host, before the monitoring host sends out a remote control command, operations are previewed on the microcomputer simulation screen according to the content of the operation ticket, and the industrial control host performs error prevention judgment on each sequential control operation remote control command according to prestored sequential control operation step rules. The error prevention host also checks the consistency of the analog diagram and the field device through the switch alignment. Namely, the error-preventing host has a switch alignment function and is used for checking whether the simulation diagram is consistent with the field device; the system has the function of checking operation tickets, previewing operation on a microcomputer simulation screen according to the content of the operation tickets, and judging each operation by an industrial control host according to a prestored rule;
The one-key sequential control checking device is provided with a simulation module, is configured with control objects, operation preconditions, position main criteria and auxiliary criteria information which are related at typical intervals of sequential control tickets, and forms a simulation test configuration information base, and is used for simulating transformer substation spacer layer equipment according to a transformer substation SCD file, simulating a test environment, executing sequential control operation remote control commands and sending remote control command response information to a monitoring host;
the one-key sequential control checking device is also used for forming a one-key sequential control checking test report according to the test type and the sequential control execution result information message.
The one-key sequential control checking device can simulate a substation signal, namely a simulation module can simulate substation spacer layer equipment according to a substation SCD file (interval model file) combined with a station control layer communication protocol, three-remote information is simulated and sent, and one-key sequential control instruction test simulation of the substation is completed through data communication interaction with a monitoring host. The simulation of the conditions before operation can be carried out at will, and the simulation of the main position information and the auxiliary position information of the control objects related to typical intervals such as a tested interval switch, a disconnecting link and the like can be carried out; the auxiliary position information comprises microswitch remote signaling information or video image remote signaling information. I.e. the test supporting the in-station dual acknowledgment assistance criteria for video signals.
In specific implementation, the centralized control master station is communicated with the one-key sequential control checking device through an expansion protocol, and the centralized control master station is connected with the data communication network shutdown, the monitoring host and the one-key sequential control checking device to form a closed loop test environment; the centralized control master station and the monitoring host are objects to be tested, and the centralized control master station, the monitoring host, the intelligent error prevention host, the data communication network shutdown and one-key sequential control checking device form a closed loop test environment which is completely isolated from a production running environment; the centralized control master station and the one-key sequential control checking device are configured with a test checking strategy, the one-key sequential control checking device simulates three remote signals of a transformer substation, the centralized control master station initiates a sequential control command to be turned off of a data communication network and drives a monitoring host to send a serialized control command to a simulation module of the one-key sequential control checking device, the simulation module returns a sequential control response to be turned off of the data communication network, the data communication network is turned off to send the sequential control response to the centralized control master station, the centralized control master station sends the sequential control response to the one-key sequential control checking device, and the one-key sequential control checking device combines the sequential control response sent by the centralized control master station and the configured checking strategy to form a test conclusion.
Further preferably, the centralized control master station and the one-key sequential control checking device communicate by adopting an IEC60870-5-104 expansion protocol.
The centralized control master station and the one-key sequential control checking device are communicated and interacted by adopting an IEC60870-5-104 protocol for expanding information such as interactive test operation ticket names, test items and test conclusion, the one-key sequential control checking device is used as a client for controlling a centralized control master station sequential control service module to initiate sequential control instructions to a data communication network power-off and a monitoring host through a sequential control service interface, and the centralized control master station forwards a sequential control service message returned by the analyzed monitoring host to the one-key sequential control checking device through an expansion protocol, and further, the one-key sequential control checking device combines test contents and sequential control responses to form a test conclusion; the one-key sequential control checking device drives the centralized control master station to initiate a sequential control command to the data communication network to shut down through an expansion protocol, drives the monitoring host to send the serialized control command to a simulation module of the one-key sequential control checking device, and the centralized control master station receives a sequential control response returned by the monitoring host and forwards the sequential control response to the one-key sequential control checking device through the expansion protocol, and finally the one-key sequential control checking device combines the sequential control response returned by the centralized control master station and the configured checking strategy to form a test conclusion.
The centralized control master station and the one-key sequential control checking device adopt IEC60870-5-104 expansion protocol for communication interaction, and an ASDU (Application Service Data Unit ) is newly added on IEC60870-5-104 for data message transmission, and the contents are as shown in Table 1:
TABLE 1
Further preferably, the data transmissible by the IEC60870-5-104 extension protocol comprises a control object, double confirmation information, interval information and error prevention rule information;
the control object and double confirmation information comprises a control object description, a control object unique identification, a main criterion description and unique identification, an auxiliary criterion description and unique identification and an auxiliary criterion type (a micro switch or a video file);
the interval information comprises interval names, associated control object descriptions, unique identifiers and states of associated control objects in various interval states;
the error-preventing rule information comprises control object description, a control object unique identifier and associated control object switching states; the method comprises the steps of carrying out a first treatment on the surface of the
The sequential control standard acceptance table comprises sequential control ticket names, operation item descriptions and associated control object information, pre-operation condition descriptions and associated remote signaling telemetry information.
Further preferably, the simulation module of the one-key sequential control checking device can simulate three remote information according to a substation SCD file (interval model file) and a station control layer communication protocol, can simulate the conditions before operation at will, and can simulate main position information and auxiliary position information of control objects associated with typical intervals such as a measured interval switch, a disconnecting link and the like;
The auxiliary position information comprises microswitch remote signaling information or video image remote signaling information.
The embodiment 2 of the invention provides a smart grid one-key sequential control checking method, which comprises the following steps of:
step 1, a centralized control master station firstly sends a test strategy to a one-key sequential control checking device according to a sequential control ticket checking and accepting table of one-key sequential control of a transformer substation, informs a sequential control ticket name to be checked and a test type, and the one-key sequential control checking device simulates a corresponding test environment; then a one-key sequential control instruction is sent to the data communication network for shutdown;
step 2, the data communication network is shut down and transmits a one-key sequential control instruction to a monitoring host, the monitoring host communicates with an error prevention host before sending out a remote control command according to a sequential control operation step according to built-in sequential control ticket configuration information, the error prevention host performs error prevention judgment on each sequential control operation remote control command according to a pre-stored sequential control operation step rule, and step 3 is entered when judgment is passed; the monitoring host communicates with the error prevention host before remote control operation is executed, and the error prevention host returns error prevention judgment information to the monitoring host according to the configuration information;
step 3, the monitoring host sends a sequential control operation remote control command to spacer layer equipment simulated by the one-key sequential control checking device according to the built-in sequential control ticket configuration information and the sequential control operation step, and the spacer layer equipment simulated by the simulation module responds to execute the remote control command of the monitoring host and sends remote control command response information to the monitoring host;
Step 4, the monitoring host receives response information of the one-key sequential control checking device to the remote control command, generates a sequential control execution result information message according to the response information and sends the sequential control execution result information message to the centralized control master station through the data communication gateway machine; specifically, the monitoring host returns the sequential control execution conclusion to the data communication network for shutdown according to the position information of the remote control object returned by the one-key sequential control checking device and the double-confirmation integrity information and combines the sequential control ticket configuration information, and the data communication network for shutdown forwards the sequential control execution conclusion to the centralized control master station;
and 5, the centralized control master station sends the sequential control execution result information message to the one-key sequential control checking device, and the one-key sequential control checking device forms a one-key sequential control checking test report according to the test type and the received sequential control execution result information message. The centralized control master station sends the sequential control execution conclusion to the one-key sequential control checking device, and the one-key sequential control device automatically judges the correctness of the checking test result according to the sequential control operation ticket information, generates a one-key sequential control checking test report and completes the checking work
Further preferably, the testing strategy may independently select a forward testing strategy, a pre-operation condition reverse testing strategy or a dual-confirmation integrity reverse testing strategy, and the centralized control master station sends the ticket name and the test item of the sequential control ticket to be checked and tested corresponding to each checking testing strategy to the one-key sequential control checking device according to the sequential control ticket checking and accepting table.
Further preferably, when the forward test is performed, the centralized control master station communicates with the data communication gateway machine according to the forward control ticket checking and accepting table, so as to inform the one-key forward control checking device of the ticket name of the forward control ticket to be checked and the selected forward test strategy type through the data communication gateway machine. The one-key sequential control checking device simulates and meets sequential control execution environments according to sequential control ticket configuration information.
The centralized control master station sends a one-key sequential control instruction to the data communication network shutdown, the data communication network shutdown is forwarded to the monitoring host, and the monitoring host initiates a sequential control flow according to the built-in sequential control ticket configuration information. Before the monitoring host initiates the remote control command, the monitoring host selects to stop the sequential control operation or initiate the remote control command according to the error prevention logic judgment result transmitted by the error prevention host. The one-key sequential control checking device receives and responds to the remote control command of the monitoring host, compares the control object identification in the remote control command of the monitoring host with the control object identification in the simulation test configuration information base by analyzing the control object identification in the remote control command of the monitoring host, finally returns the execution result of the centralized control master station by combining the monitoring host, judges the correctness of the forward test result according to the test strategy and the sequential control execution conclusion by the one-key sequential control checking device, generates a forward test checking test report, and completes the checking work.
Further preferably, when the pre-operation condition reverse test is performed, the centralized control master station communicates with the data communication gateway machine according to the sequential control ticket checking and accepting table, so that the one-key sequential control checking device is informed of the ticket name of the sequential control ticket to be checked and the pre-operation condition reverse test strategy through the data communication gateway machine, and the one-key sequential control checking device simulates the simulated abnormal pre-operation condition environment according to the sequential control ticket configuration information;
the centralized control master station sends a one-key sequential control instruction to the data communication network shutdown, the data communication network shutdown is forwarded to the monitoring host, and the monitoring host initiates a sequential control flow according to the built-in sequential control ticket configuration information. Before the monitoring host initiates the remote control command, the monitoring host selects to stop the sequential control operation or initiate the remote control command according to the error prevention logic judgment result transmitted by the error prevention host. And the one-key sequential control acceptance device analyzes whether the response information of the monitoring host is negative response or not according to the test strategy, and whether a negative response code is abnormal in the pre-operation condition or not, so as to form a pre-operation condition reverse test report, and complete the check work.
Further preferably, when performing the double-confirmation logic reverse test, the centralized control master station firstly informs the one-key sequential control checking device of the ticket name of the sequential control ticket to be checked and the double-confirmation logic reverse test strategy according to the sequential control ticket checking and accepting table, and the one-key sequential control checking device simulates the abnormal position auxiliary criterion state according to the sequential control ticket configuration information;
The centralized control master station sends a one-key sequential control instruction to the data communication network shutdown, the data communication network shutdown is forwarded to the monitoring host, the monitoring host initiates a sequential control flow according to built-in sequential control ticket configuration information, and before the monitoring host initiates a remote control command, the monitoring host needs to select to stop sequential control operation or initiate the remote control command according to an error prevention logic judgment result transmitted by the error prevention host. The one-key sequential control checking device receives and responds to the remote control command of the monitoring host, and simultaneously sends the wrong double-confirmation auxiliary criterion information to the monitoring host.
The monitoring host acquires response information of the one-key sequential control checking device, the response information is returned to the centralized control master station through the data communication network, the centralized control master station sends the response information to the one-key sequential control checking device, the one-key sequential control checking device analyzes whether the response information of the monitoring host is negative response or not according to a test strategy, and whether a negative response code is abnormal in main and auxiliary criteria or not, so that a double-confirmation logic reverse test report is formed, and checking work is completed.
In summary, as shown in fig. 2, the method performs the complete process of forward test, pre-operation condition reverse test and double-acknowledge logic reverse test, and includes the following steps:
Step one, a centralized control master station configures a sequential control ticket checking and accepting table, a one-key sequential control checking device configures a control object associated with a typical interval, and main criteria (remote signaling signals) and auxiliary criteria information (corresponding remote signaling, remote sensing or video confirmation signals) of position information to form a simulation test configuration information base;
the centralized control master station sends a sequential control ticket checking and accepting list to the one-key sequential control checking device to inform ticket names and forward tests of sequential control tickets to be checked, and reverse tests of pre-operation conditions and reverse tests of double confirmation logics;
step two, a one-key sequential control checking device acquires a sequential control ticket checking and accepting table, analyzes the sequential control ticket, acquires a control object and position information main criterion (remote signaling signal) and auxiliary criterion information (corresponding remote signaling, remote sensing or video confirmation signals) related to the interval name from a test configuration information base through the interval name, the source state and the target state in the sequential control ticket, simulates an initial remote signaling and remote sensing signal value of a simulated control object through the one-key sequential control checking device, and simulates the source state of an execution interval of the sequential control ticket;
and thirdly, initializing a control object state, initializing an interval source state, simulating a sequential control operation environment and simulating a centralized control master station to send a one-key sequential control instruction according to a sequential control acceptance table by the one-key sequential control checking device, and driving the data communication network to shut down and forward the sequential control instruction to the monitoring host to initiate forward test. Before the monitoring host initiates the remote control command, the monitoring host selects to stop the sequential control operation or initiate the remote control command according to the error prevention logic judgment result transmitted by the error prevention host.
The monitoring host initiates a remote control command to a simulation module simulated by the one-key sequential control checking device according to the built-in sequential control ticket configuration information, and the one-key sequential control checking device receives and responds to the monitoring host remote control command and returns corresponding auxiliary criterion information to the monitoring host according to sequential control ticket configuration.
The one-key sequential control checking device comprehensively compares the control object identifier in the sequential control ticket acceptance table with the control object identifier in the control command of the monitoring host, and comprehensively judges and forms a sequential control operation ticket control object correctness test conclusion by combining the response information of the monitoring host returned by the centralized control master station;
and step four, initializing a control object state, initializing an interval source state and simulating a condition before abnormal operation of the sequential control operation by the one-key sequential control checking device according to the sequential control acceptance table. The one-key sequential control checking device simulates the centralized control master station to send one-key sequential control instructions, initiates reverse tests, and drives the data communication network to shut down so as to forward the sequential control instructions to the monitoring host. Before the monitoring host initiates the remote control command, the monitoring host selects to stop the sequential control operation or initiate the remote control command according to the error prevention logic judgment result transmitted by the error prevention host.
The monitoring host judges the interval environment simulated by the one-key sequential control checking device according to the pre-operation condition of the current sequential control ticket to be checked, and the monitoring host does not execute the sequential control operation under the condition that the pre-operation condition of the sequential control ticket is verified to be unsatisfied.
The one-key sequential control checking device combines the simulated abnormal pre-operation condition and whether the message sent by the monitoring host returned by the centralized control master station returns the information carrying the abnormal pre-operation condition or not, and comprehensively judges and forms a pre-operation condition logic validity test conclusion;
and fifthly, initializing a control object state, initializing an interval source state and simulating an abnormal position auxiliary criterion state by the one-key sequential control checking device according to the sequential control acceptance table. The centralized control master station sends a one-key sequential control instruction, initiates a reverse test, drives the data communication network to shut down and forwards the sequential control instruction to the monitoring host, and the monitoring host initiates a remote control instruction to a simulation module simulated by the one-key sequential control checking device according to built-in sequential control ticket configuration information, and the anti-misoperation host judges each operation of the monitoring host according to a prestored rule; the one-key sequential control checking device receives and responds to the remote control command of the monitoring host, and returns auxiliary criterion information of the remote control object error position of the monitoring host, and the monitoring host is verified to stop executing sequential control operation under the condition that the monitoring host receives the auxiliary criterion information of the abnormal position.
The one-key sequential control checking device combines the auxiliary criterion state of the simulated abnormal position and whether the information carrying the 'main and auxiliary criterion double confirmation abnormality' is returned from the report of the monitoring host returned by the centralized control master station, and comprehensively judges the logic validity test conclusion of the one-key sequential control main and auxiliary criteria of the formation sequential control host.
A terminal comprising a processor and a storage medium; the storage medium is used for storing instructions;
the processor is configured to operate in accordance with the instructions to perform the steps of the method.
A computer readable storage medium having stored thereon a computer program which when executed by a processor realizes the steps of the method.
The invention has the beneficial effects that compared with the prior art:
the invention provides a convenient, quick and functional intelligent power grid one-key sequential control checking system and a method, wherein the checking system is completely separated from a production running environment, a closed-loop checking environment is formed by connecting a one-key sequential control checking device and a centralized control master station end to end, test checking can be initiated automatically in a programmed manner, the one-key sequential control checking device is used for comprehensively comparing test checking contents with a monitoring master machine result returned by the centralized control master station, a checking report is output according to the comparison result, sequential control ticket configuration and functional correctness checking test of the centralized control master station and the monitoring master machine are realized, and one-key sequential control uninterrupted automatic test of the intelligent power grid can be completed.
The checking process comprises a centralized control master station, so that the forwarding correctness of the one-key sequential control instruction of the remote machine in the checking station can be synchronously checked, the one-key sequential control checking is closer to the actual application environment, and the checking is more comprehensive;
According to the video text provided by a video host manufacturer, the one-key sequential control checking device automatically generates a video confirmation information file and transmits the video confirmation information file to the monitoring host, so that one-key sequential control test is completed, the correctness of one-key sequential control operation logic of the monitoring host can be checked synchronously when the video monitoring host is checked in a station, multiple tasks are performed simultaneously, the checking time is effectively saved, and the checking efficiency is prompted;
according to the invention, an in-station error-proof host is added in a checking environment, and the one-key sequential control checking device not only simulates in-station protection measurement and control equipment, but also can analyze interactive messages, so that one-key sequential control checking is more comprehensive; the checking environment is simpler to build.
The present disclosure may be a system, method, and/or computer program product. The computer program product may include a computer readable storage medium having computer readable program instructions embodied thereon for causing a processor to implement aspects of the present disclosure.
The computer readable storage medium may be a tangible device that can hold and store instructions for use by an instruction execution device. The computer readable storage medium may be, for example, but not limited to, an electronic storage device, a magnetic storage device, an optical storage device, an electromagnetic storage device, a semiconductor storage device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: portable computer disks, hard disks, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), static Random Access Memory (SRAM), portable compact disk read-only memory (CD-ROM), digital Versatile Disks (DVD), memory sticks, floppy disks, mechanical coding devices, punch cards or in-groove structures such as punch cards or grooves having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media, as used herein, are not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through waveguides or other transmission media (e.g., optical pulses through fiber optic cables), or electrical signals transmitted through wires.
The computer readable program instructions described herein may be downloaded from a computer readable storage medium to a respective computing/processing device or to an external computer or external storage device over a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmissions, wireless transmissions, routers, firewalls, switches, gateway computers and/or edge servers. The network interface card or network interface in each computing/processing device receives computer readable program instructions from the network and forwards the computer readable program instructions for storage in a computer readable storage medium in the respective computing/processing device.
Computer program instructions for performing the operations of the present disclosure can be assembly instructions, instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source or object code written in any combination of one or more programming languages, including an object oriented programming language such as Smalltalk, c++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The computer readable program instructions may be executed entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider). In some embodiments, aspects of the present disclosure are implemented by personalizing electronic circuitry, such as programmable logic circuitry, field Programmable Gate Arrays (FPGAs), or Programmable Logic Arrays (PLAs), with state information of computer readable program instructions, which can execute the computer readable program instructions.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.
Claims (13)
1. The utility model provides a smart power grids key is in same direction as accuse check system, includes centralized control master station, data communication network shutdown, monitor host computer, mistake prevention host computer and key are in same direction as accuse check device, its characterized in that:
the centralized control master station is powered off through a data communication network and communicates with the monitoring host computer to initiate a sequential control ticket one-key sequential control instruction;
the error prevention host is communicated with the monitoring host, and error prevention judgment is carried out before the monitoring host sends out a sequential control operation remote control command;
the one-key sequential control checking device simulates a test environment through simulation transformer substation spacer layer equipment, receives and responds to a sequential control operation remote control command sent by the monitoring host, and performs one-key sequential control checking through data interaction with the monitoring host and the centralized control master station;
The centralized control master station, the monitoring host, the error prevention host, the data communication network shutdown and the one-key sequential control checking device form a one-key sequential control checking environment and a production running environment which are completely isolated.
2. The smart grid one-key sequential control checking system according to claim 1, wherein:
the centralized control master station configures a sequential control ticket acceptance table of one-key sequential control of the transformer substation, and the sequential control ticket acceptance table is communicated with the data communication gateway machine so as to send one-key sequential control instructions to the monitoring host machine through the shutdown of the data communication network and acquire sequential control execution result information returned by the monitoring host machine; the system also communicates with the one-key sequential control checking device to send a sequential control ticket to be checked, a test type and the sequential control execution result information message to the one-key sequential control checking device.
3. The smart grid one-key sequential control checking system according to claim 1, wherein:
and the monitoring host is internally provided with sequential control ticket configuration information and is used for sending a sequential control operation remote control command to the one-key sequential control checking device according to sequential control operation steps after receiving the one-key sequential control command and receiving response information of the one-key sequential control checking device to the remote control command, and returning a sequential control execution result information message according to the response information.
4. The smart grid one-key sequential control checking system according to claim 1, wherein:
the one-key sequential control checking device is provided with a simulation module, is used for configuring control objects, operation preconditions, position main criteria and auxiliary criteria information related to sequential control ticket intervals to form a simulation test configuration information base, and is used for simulating transformer substation spacer layer equipment according to a transformer substation SCD file, simulating a test environment, executing sequential control operation remote control commands and sending remote control command response information to a monitoring host;
the one-key sequential control checking device is also used for forming a one-key sequential control checking test report according to the test type and the sequential control execution result information message.
5. The smart grid one-key sequential control checking system according to claim 1, wherein:
the error prevention host comprises a microcomputer simulation screen and an industrial control host, the operation is replayed on the microcomputer simulation screen according to the content of the operation ticket before the monitoring host sends out the remote control command, and the industrial control host performs error prevention judgment on each sequential control operation remote control command according to the prestored sequential control operation step rule.
6. The smart grid one-key sequential control checking system according to claim 1, wherein:
The centralized control master station and the one-key sequential control checking device adopt IEC60870-5-104 expansion protocol for communication interaction, and ASDU is arranged on IEC 60870-5-104.
7. A smart grid one-key sequential control checking method, implemented based on the system of any one of claims 1-6, characterized in that: the method comprises the following steps:
step 1, a centralized control master station sends a to-be-checked sequential control ticket name and a test type to a one-key sequential control checking device according to a sequential control ticket checking and accepting table of one-key sequential control of a transformer substation, and the one-key sequential control checking device simulates a corresponding test environment; the centralized control master station sends a one-key sequential control instruction to the data communication network to be powered off;
step 2, the data communication network is shut down and transmits a one-key sequential control instruction to the monitoring host, the monitoring host communicates with the error prevention host before sending out a remote control instruction, the error prevention host performs error prevention judgment on each sequential control operation remote control instruction according to a pre-stored sequential control operation step rule, and the step 3 is entered when the judgment is passed;
step 3, the monitoring host sends a sequential control operation remote control command to the one-key sequential control checking device according to the built-in sequential control ticket configuration information and the sequential control operation step, and the spacer layer equipment simulated by the simulation module responds to the remote control command of the executing monitoring host and sends remote control command response information to the monitoring host;
Step 4, the monitoring host receives response information of the one-key sequential control checking device to the remote control command, generates a sequential control execution result information message according to the response information and sends the sequential control execution result information message to the centralized control master station through the data communication gateway machine;
and 5, the centralized control master station sends the sequential control execution result information message to the one-key sequential control checking device, and the one-key sequential control checking device forms a one-key sequential control checking test report according to the test type and the received sequential control execution result information message.
8. The smart grid one-key sequential control checking method as defined in claim 7, wherein:
the test type comprises a forward test, a pre-operation condition reverse test and a double-confirmation integrity reverse test, so that the correctness of a control object of the sequential control operation ticket is respectively verified, the monitoring host does not execute the sequential control operation under the condition that the pre-operation condition of the sequential control ticket is not met, and the monitoring host stops executing the sequential control operation under the condition that the monitoring host receives the auxiliary criterion information of the abnormal position.
9. The smart grid one-key sequential control checking system as claimed in claim 8, wherein:
in the step 1, when the test type is forward test, the one-key sequential control checking device simulates a sequential control execution environment according to sequential control ticket configuration information;
When the test type is the reverse test of the pre-operation condition, the one-key sequential control checking device simulates the abnormal pre-operation condition environment according to sequential control ticket configuration information;
when the test type is double-confirmation integrity reverse test, the one-key sequential control checking device simulates an abnormal position auxiliary criterion state according to sequential control ticket configuration information.
10. The smart grid one-key sequential control checking system as claimed in claim 9, wherein:
in step 5, when the test type is forward test, the one-key sequential control checking device comprehensively compares the control object identifier in the sequential control ticket with the control object identifier in the remote control command, and comprehensively judges and forms a sequential control operation ticket control object correctness test message by combining the control object identifier of the sequential control execution result information message;
when the test type is the pre-operation condition reverse test, the one-key sequential control checking device combines the simulated abnormal pre-operation condition and the sequential control execution result information message to judge comprehensively whether the pre-operation condition logic validity test message is carried with the pre-operation condition abnormality information;
when the test type is double-confirmation integrity reverse test, the one-key sequential control checking device combines the simulation abnormal position auxiliary criterion state and whether the sequential control execution result information message carries the main and auxiliary criterion double-confirmation abnormality information or not, and comprehensively judges and forms a sequential control main and auxiliary criterion logic validity test report of the sequential control host.
11. The smart grid one-key sequential control checking method as claimed in claim 10, wherein:
the basis of the comprehensive judgment for forming the pre-operation condition logic validity test message is as follows:
when the monitoring host receives response information that the condition before the sequential control ticket operation is not met, namely, when the one-key sequential control checking device simulates the condition before the abnormal operation, sequential control operation is not executed, and the generated sequential control execution result information message carries 'abnormal condition before the operation', when the sequential control execution result information message carries 'abnormal condition before the operation', the conclusion is consistent with the condition before the one-key sequential control checking device simulates the condition before the abnormal operation, and the logic of the condition before the operation is effective;
the basis for comprehensively judging and forming the sequential control main machine one-key sequential control main and auxiliary criterion logic validity test report is as follows:
when the monitoring host receives response information of the auxiliary criterion of the abnormal position, namely under the state that the one-key sequential control checking device simulates the auxiliary criterion of the abnormal position, the sequential control operation is stopped, and the generated sequential control execution result information message carries 'main and auxiliary criterion double confirmation abnormality', when the sequential control execution result information message carries 'main and auxiliary criterion double confirmation abnormality', the conclusion is consistent with the state that the one-key sequential control checking device simulates the auxiliary criterion of the abnormal position, and the sequential control host one-key sequential control main and auxiliary criterion logic is effective.
12. A terminal comprising a processor and a storage medium; the method is characterized in that:
the storage medium is used for storing instructions;
the processor being operative according to the instructions to perform the steps of the method according to any one of claims 7-11.
13. Computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the steps of the method according to any of claims 7-11.
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| CN117937771A (en) * | 2024-03-22 | 2024-04-26 | 福建榕图电力科技有限公司 | One-key sequential control video double-confirmation system |
| CN117937771B (en) * | 2024-03-22 | 2024-05-31 | 福建榕图电力科技有限公司 | One-key sequential control video double-confirmation system |
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