CN111934427B - Signal checking method and system, protection measurement and control device and storage medium - Google Patents
Signal checking method and system, protection measurement and control device and storage medium Download PDFInfo
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- CN111934427B CN111934427B CN202010753031.XA CN202010753031A CN111934427B CN 111934427 B CN111934427 B CN 111934427B CN 202010753031 A CN202010753031 A CN 202010753031A CN 111934427 B CN111934427 B CN 111934427B
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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
- H02J13/00006—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
- H02J13/00016—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 using a wired telecommunication network or a data transmission bus
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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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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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Abstract
The invention discloses a signal checking method and a system, and a protection measurement and control device and a storage medium. The method is suitable for a protection measurement and control device of a signal checking system, the signal checking system comprises a background monitoring device and a protection measurement and control device, the protection measurement and control device is simultaneously communicated with the background monitoring device through a first communication network line and a second communication network line, and the method comprises the following steps: the protection measurement and control device acquires a test signal and simultaneously sends the test signal to the background monitoring device through the first communication network line and the second communication network line, so that the background monitoring device automatically generates a return correction signal according to the test signal; and if the protection measurement and control device receives the return correction signal sent by the background monitoring device, generating a test result according to the return correction signal. The scheme provided by the invention can realize automatic check of signals and improve the working efficiency of the power grid.
Description
Technical Field
The embodiment of the invention relates to the technical field of power systems, in particular to a signal checking method and system, a protection measurement and control device and a storage medium.
Background
In order to meet the ever increasing user load demands, more and more substations are being built or retrofitted. In the course of a new or retrofitted substation, there is often a lot of signal checking work. The existing signal checking method often needs manual operation, so that a great deal of time and labor are consumed, and the working efficiency is too low; and the communication signals are affected by geographical locations, so that signal checking work at certain locations is extremely difficult to develop.
Disclosure of Invention
The embodiment of the invention provides a signal checking method and a system, which protect a measurement and control device and a storage medium, can realize automatic checking of signals and improve the working efficiency of a power grid.
In a first aspect, an embodiment of the present invention provides a signal checking method, where the signal checking method is applicable to a protection measurement and control device of a signal checking system, where the signal checking system includes a background monitoring device and a protection measurement and control device, and the protection measurement and control device communicates with the background monitoring device through a first communication network line and a second communication network line at the same time, and the method includes:
the protection measurement and control device acquires a test signal and simultaneously sends the test signal to the background monitoring device through the first communication network line and the second communication network line, so that the background monitoring device automatically generates a return correction signal according to the test signal;
and if the protection measurement and control device receives the return correction signal sent by the background monitoring device, generating a test result according to the return correction signal.
Optionally, the protecting and measuring device obtaining the test signal includes:
the protection measurement and control device receives a hard contact test signal input by a user; or,
and the protection measurement and control device automatically generates soft message test signals periodically or aperiodically.
Optionally, the method further comprises:
the protection measurement and control device judges whether a return correction signal sent by the background monitoring device is received through the first communication network cable and the second communication network cable at the same time;
if the return correction signal sent by the background monitoring device is not received through the first communication network line and the return correction signal sent by the background monitoring device is received through the second communication network line, the protection measurement and control device records the fault of the first communication network line, and the second communication network line is normal;
if the first communication network line receives the return correction signal sent by the background monitoring device and the second communication network line does not receive the return correction signal sent by the background monitoring device, the protection measurement and control device records that the first communication network line is normal and the second communication network line fails;
if the return correction signals sent by the background monitoring device are not received through the first communication network cable and the second communication network cable, the protection measurement and control device records that the first communication network cable and the second communication network cable are both failed;
if the return correction signals sent by the background monitoring device are received through the first communication network cable and the second communication network cable, the protection measurement and control device records that the first communication network cable and the second communication network cable are normal.
Optionally, the protection measurement and control device generates the test result according to the return correction signal, including:
the protection measurement and control device judges whether the return correction signal is matched with the test signal or not;
if the return correction signal is matched with the test signal, the protection measurement and control device generates a first test result, and the first test result is used for indicating the signal check to pass;
if the return correction signal is not matched with the test signal, the protection measurement and control device generates a second test result which is used for indicating that the signal check fails.
Optionally, after the protection measurement and control device generates the test result, the method further includes:
and the protection measurement and control device generates and displays a test report according to the test result.
In a second aspect, an embodiment of the present invention further provides a protection measurement and control device, where the protection measurement and control device communicates with a background monitoring device through a first communication network line and a second communication network line at the same time, and the protection measurement and control device includes: the device comprises a signal acquisition module, a communication module and a test module;
the signal acquisition module is used for acquiring a test signal;
the communication module is used for simultaneously transmitting the test signals to the background monitoring device through the first communication network cable and the second communication network cable, so that the background monitoring device automatically generates a return correction signal according to the test signals;
and the testing module is used for generating a testing result according to the return correction signal if the communication module receives the return correction signal sent by the background monitoring device.
Optionally, the method further comprises: a judging module and a recording module;
the judging module is used for judging whether the backstage monitoring device receives the return correction signal transmitted by the backstage monitoring device through the first communication network cable and the second communication network cable at the same time;
the recording module is used for recording the fault of the first communication network line if the return correction signal sent by the background monitoring device is not received through the first communication network line and the return correction signal sent by the background monitoring device is received through the second communication network line, and the second communication network line is normal; if the first communication network line receives the return correction signal sent by the background monitoring device and the second communication network line does not receive the return correction signal sent by the background monitoring device, recording that the first communication network line is normal and the second communication network line is faulty; if the return correction signals sent by the background monitoring device are not received through the first communication network cable and the second communication network cable, recording that the first communication network cable and the second communication network cable are both in faults; if the return correction signals sent by the background monitoring device are received through the first communication network cable and the second communication network cable, recording that the first communication network cable and the second communication network cable are normal.
Optionally, the test module is specifically configured to determine whether the return correction signal is matched with the test signal; if the return correction signal is matched with the test signal, a first test result is generated, and the first test result is used for indicating that the signal check passes; if the return correction signal is not matched with the test signal, a second test result is generated, and the second test result is used for indicating that the signal check fails.
In a third aspect, an embodiment of the present invention further provides a signal checking system, including a background monitoring device and a protection measurement and control device of any one of the foregoing embodiments, where the protection measurement and control device is simultaneously in communication with the background monitoring device through a first communication network line and a second communication network line, and the protection measurement and control device is configured to execute a method of any one of the foregoing embodiments.
In a fourth aspect, embodiments of the present invention also provide a computer readable storage medium storing a computer program which, when executed by a processor, implements a method according to any of the above embodiments.
The invention provides a signal checking method and system, protecting and measuring and controlling device and storage medium, the method is suitable for protecting and controlling device of the signal checking system, the signal checking system includes background monitoring device and protecting and controlling device, protecting and controlling device communicates with background monitoring device through the first communication network line and second communication network line at the same time, the method includes: the protection measurement and control device acquires a test signal and simultaneously sends the test signal to the background monitoring device through the first communication network line and the second communication network line, so that the background monitoring device automatically generates a return correction signal according to the test signal; and if the protection measurement and control device receives the return correction signal sent by the background monitoring device, generating a test result according to the return correction signal. The protection measurement and control device sends a test signal to the background monitoring device and receives a return correction signal automatically generated by the background monitoring device, so that the protection measurement and control device generates a test result according to the return correction signal to be checked and accepted by power supply network staff. Compared with the traditional method for manually checking the signals, the method can automatically check the signals, and improves the working efficiency of the power grid.
Drawings
Fig. 1 is a flowchart of a signal checking method according to a first embodiment;
fig. 2 is a flow chart of a signal checking method according to a second embodiment;
fig. 3 is a schematic structural diagram of a protection measurement and control device according to a third embodiment;
fig. 4 is a schematic structural diagram of another protection measurement and control device according to the third embodiment;
FIG. 5 is a schematic structural diagram of another protection measurement and control device according to the third embodiment;
fig. 6 is a schematic diagram of a signal checking system according to a fourth embodiment.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In order to meet the ever increasing user load demands, more and more substations are being built or retrofitted. In the course of a new or retrofitted substation, there is often a lot of signal checking work. The existing signal checking method usually needs at least two staff to perform operations of signal sending and signal checking at a background monitoring device and a protection measurement and control device respectively, so that a great deal of time and labor are consumed, and the working efficiency is low; and the result of the signal check needs to be mutually informed by communication equipment (such as a mobile phone or an interphone), the communication signals are affected by geographic positions, and when the transformer substation is built in a remote or rugged position, the signal check work is extremely difficult to develop.
In order to solve the problems, the invention provides a signal checking method and a system, a protection measurement and control device and a storage medium, wherein the protection measurement and control device sends a test signal to a background monitoring device and receives a return correction signal automatically generated by the background monitoring device, so that the protection measurement and control device generates a test result according to the return correction signal to be checked and accepted by power supply network staff. Compared with the traditional method for manually checking the signals, the method can automatically check the signals, and improves the working efficiency of the power grid.
It should be noted that, the following embodiments of the present invention may be implemented separately or in combination with each other, and the embodiments of the present invention are not limited thereto.
Next, a signal checking method, system, protection measurement and control device and technical effects thereof will be described.
Example 1
Fig. 1 is a schematic flow chart of a signal checking method according to a first embodiment, as shown in fig. 1, where the method provided in this embodiment is suitable for a protection measurement and control device of a signal checking system, the signal checking system is disposed in a substation, the signal checking system includes a background monitoring device and a protection measurement and control device, and the protection measurement and control device communicates with the background monitoring device simultaneously through a first communication network line and a second communication network line.
S101, the protection measurement and control device acquires a test signal and sends the test signal to the background monitoring device through the first communication network line and the second communication network line.
The signal checking system comprises a background monitoring device and a protection measurement and control device, wherein the protection measurement and control device is communicated with the background monitoring device through a first communication network line and a second communication network line (also can be called as an A network communication network line and a B network communication network line) at the same time, and data sent by the background monitoring device and the protection measurement and control device through the first communication network line and the second communication network line are the same, so that when one communication network line fails, the other communication network line can work normally, and the reliability of data transmission of a transformer substation is improved.
In this embodiment, the method for protecting the measurement and control device from acquiring the test signal may include any one of the following two methods:
the method I comprises the step of protecting the measurement and control device from receiving hard contact test signals input by a user.
The protection measurement and control device can be provided with a test trigger button, and when a user presses the test trigger button, the protection measurement and control device responds to the operation of the user and receives a hard contact test signal input by the user. For example, the hard contact test signal is a signal taken directly from the normally open/normally closed contact of the relay.
And secondly, the protection measurement and control device automatically generates a soft message test signal periodically or aperiodically.
The protection measurement and control device can automatically generate soft message test signals according to preset rules (such as every preset time (1 min or 10 min) or aperiodically). For example, the soft message test signal is a signal judged by the protection measurement and control device itself, is software judgment and is sent in a message form.
S102, the background monitoring device receives the test signal and automatically generates a return correction signal according to the test signal.
S103, the background monitoring device sends a return correction signal to the protection measurement and control device.
Optionally, the background monitoring device can directly feed back the test signal as a return correction signal to the protection measurement and control device, and can also feed back information of the test signal (such as the content of the test signal, the identification ID of the test signal, etc.) carried in the return correction signal to the protection measurement and control device.
And S104, if the protection measurement and control device receives the return correction signal sent by the background monitoring device, generating a test result according to the return correction signal.
For example, the method for generating the test result by the protection measurement and control device according to the return correction signal may be: the protection measurement and control device judges whether the return correction signal is matched with the test signal or not; if the return correction signal is matched with the test signal, the protection measurement and control device generates a first test result, and the first test result is used for indicating the signal check to pass; if the return correction signal is not matched with the test signal, the protection measurement and control device generates a second test result which is used for indicating that the signal check fails.
Example two
Fig. 2 is a schematic flow chart of a signal checking method provided in the second embodiment, as shown in fig. 2, where the method provided in the second embodiment is suitable for a protection measurement and control device of a signal checking system, the signal checking system is disposed in a substation, the signal checking system includes a background monitoring device and a protection measurement and control device, and the protection measurement and control device communicates with the background monitoring device simultaneously through a first communication network line and a second communication network line, and the method includes the following steps.
S201, the protection measurement and control device acquires a test signal and simultaneously sends the test signal to the background monitoring device through the first communication network line and the second communication network line, so that the background monitoring device automatically generates a return correction signal according to the test signal.
The signal checking system comprises a background monitoring device and a protection measurement and control device, wherein the protection measurement and control device is communicated with the background monitoring device through a first communication network line and a second communication network line (also can be called as an A network communication network line and a B network communication network line) at the same time, and data sent by the background monitoring device and the protection measurement and control device through the first communication network line and the second communication network line are the same, so that when one communication network line fails, the other communication network line can work normally, and the reliability of data transmission of a transformer substation is improved.
In this embodiment, the method for protecting the measurement and control device from acquiring the test signal may include any one of the following two methods:
the method I comprises the step of protecting the measurement and control device from receiving hard contact test signals input by a user.
The protection measurement and control device can be provided with a test trigger button, and when a user presses the test trigger button, the protection measurement and control device responds to the operation of the user and receives a hard contact test signal input by the user. For example, the hard contact test signal is a signal taken directly from the normally open/normally closed contact of the relay.
And secondly, the protection measurement and control device automatically generates a soft message test signal periodically or aperiodically.
The protection measurement and control device can automatically generate soft message test signals according to preset rules (such as every preset time (1 min or 10 min) or aperiodically). For example, the soft message test signal is a signal judged by the protection measurement and control device itself, is software judgment and is sent in a message form.
Optionally, the background monitoring device can directly feed back the test signal as a return correction signal to the protection measurement and control device, and can also feed back information of the test signal (such as the content of the test signal, the identification ID of the test signal, etc.) carried in the return correction signal to the protection measurement and control device.
S202, the protection measurement and control device judges whether a return correction signal sent by the background monitoring device is received through the first communication network line and the second communication network line at the same time.
And S203, if the return correction signal sent by the background monitoring device is not received through the first communication network cable and the return correction signal sent by the background monitoring device is received through the second communication network cable, the protection measurement and control device records the fault of the first communication network cable, and the second communication network cable is normal.
And S204-S206, namely performing a parallel step, wherein after the first communication network line fault is recorded and the second communication network line is normal, the protection and measurement device executes a step S207 described below, and the protection and measurement device judges whether the return correction signal received from the second communication network line is matched with the test signal.
S204, if the first communication network line receives the return correction signal sent by the background monitoring device and the second communication network line does not receive the return correction signal sent by the background monitoring device, the protection measurement and control device records that the first communication network line is normal and the second communication network line fails.
And S203, S205-S206 are parallel steps, and after the second communication network line is recorded and the first communication network line is normal, the protection and measurement device executes the following step S207 to judge whether the return correction signal received from the first communication network line is matched with the test signal.
And S205, if the return correction signals sent by the background monitoring device are not received through the first communication network cable and the second communication network cable, the protection measurement and control device records that the first communication network cable and the second communication network cable are both failed.
And the steps S203-S204 and S206 are parallel, and as the communication between the background monitoring device and the protection measurement and control device is interrupted, the protection measurement and control device only needs to record that the first communication network line and the second communication network line are failed, and the signal checking flow is finished.
S206, if the backstage monitoring device receives the return correction signals sent by the first communication network cable and the second communication network cable, the protection measurement and control device records that the first communication network cable and the second communication network cable are normal.
And step S203-S205 are parallel steps, and after the protection measurement and control device records that the first communication network line and the second communication network line are normal, the protection measurement and control device executes the following step S207 to judge whether the return correction signals received from the first communication network line and the second communication network line are matched with the test signals.
S207, the protection measurement and control device judges whether the return correction signal is matched with the test signal.
And S208, if the return correction signal is matched with the test signal, the protection measurement and control device generates a first test result, and the first test result is used for indicating the signal check to pass.
S209, if the return correction signal is not matched with the test signal, the protection measurement and control device generates a second test result, and the second test result is used for indicating that the signal check fails.
S210, the protection measurement and control device generates and displays a test report according to the test result.
To improve the readability of the test report, special flags may be set for the first test result, the second test result, and the network cable failure. As shown in table 1, an exemplary test report is shown.
TABLE 1
As can be seen from table 1, for the first set of test signals, wherein the first communication network line failed, o was made in the result field of "whether the return signal and the test signal match" and the second communication network line was normal, but because the return signal and the test signal did not match, o was made in the result field of "whether the return signal and the test signal match"; for a second group of test signals, wherein the first communication network line is normal, the return correction signal is matched with the test signals, a check is made in a result column of whether the return correction signal is matched with the test signals, and a fault of the second communication network line is made in a result column of whether the return correction signal is matched with the test signals; for the third group of test signals, as the first communication network line and the second communication network line are both failed, the result column of the check signal and the test signal are matched is marked with O; for the fourth set of test signals, the first communication network line and the second communication network line are normal, but the return correction signal received through the first communication network line is not matched with the test signal, check is made in the result column of whether the return correction signal is matched with the test signal, the return correction signal received through the second communication network line is matched with the test signal, and check is made in the result column of whether the return correction signal is matched with the test signal.
The invention provides a signal checking method, which is suitable for a protection measurement and control device of a signal checking system, wherein the signal checking system comprises a background monitoring device and a protection measurement and control device, and the protection measurement and control device is simultaneously communicated with the background monitoring device through a first communication network line and a second communication network line, and the method comprises the following steps: the protection measurement and control device acquires a test signal and simultaneously sends the test signal to the background monitoring device through the first communication network line and the second communication network line, so that the background monitoring device automatically generates a return correction signal according to the test signal; and if the protection measurement and control device receives the return correction signal sent by the background monitoring device, generating a test result according to the return correction signal. The protection measurement and control device sends a test signal to the background monitoring device and receives a return correction signal automatically generated by the background monitoring device, so that the protection measurement and control device generates a test result according to the return correction signal to be checked and accepted by power supply network staff. Compared with the traditional method for manually checking the signals, the method can automatically check the signals, and improves the working efficiency of the power grid.
Example III
Fig. 3 is a schematic structural diagram of a protection measurement and control device according to a third embodiment, as shown in fig. 3, the protection measurement and control device communicates with a background monitoring device through a first communication network line and a second communication network line, and the protection measurement and control device includes: a signal acquisition module 10, a communication module 11 and a test module 12.
A signal acquisition module 10 for acquiring a test signal;
the communication module 11 is configured to send the test signal to the background monitoring device through the first communication network line and the second communication network line at the same time, so that the background monitoring device automatically generates a return correction signal according to the test signal;
and the test module 12 is configured to generate a test result according to the return signal if the communication module 11 receives the return signal sent by the background monitoring device.
The protection measurement and control device provided in this embodiment is similar to the above embodiment in terms of implementation principle and technical effect in order to implement the signal checking method in the above embodiment, and is not described here again.
Optionally, the signal acquisition module 10 is specifically configured to receive a hard contact test signal input by a user; alternatively, the soft message test signal is automatically generated periodically or aperiodically.
Optionally, referring to fig. 3, fig. 4 is a schematic structural diagram of another protection measurement and control device according to the third embodiment, as shown in fig. 4, further includes: a judgment module 13 and a recording module 14;
the judging module 13 is used for judging whether a return correction signal sent by the background monitoring device is received through the first communication network line and the second communication network line at the same time;
the recording module 14 is configured to record a failure of the first communication network line if the return correction signal sent by the background monitoring device is not received through the first communication network line, and the return correction signal sent by the background monitoring device is received through the second communication network line, where the second communication network line is normal; if the first communication network line receives the return correction signal sent by the background monitoring device and the second communication network line does not receive the return correction signal sent by the background monitoring device, recording that the first communication network line is normal and the second communication network line is faulty; if the return correction signals sent by the background monitoring device are not received through the first communication network cable and the second communication network cable, recording that the first communication network cable and the second communication network cable are both in faults; if the return correction signals sent by the background monitoring device are received through the first communication network cable and the second communication network cable, recording that the first communication network cable and the second communication network cable are normal.
Optionally, the test module 12 is specifically configured to determine whether the return correction signal is matched with the test signal; if the return correction signal is matched with the test signal, a first test result is generated, and the first test result is used for indicating that the signal check passes; if the return correction signal is not matched with the test signal, a second test result is generated, and the second test result is used for indicating that the signal check fails.
Optionally, referring to fig. 4, fig. 5 is a schematic structural diagram of another protection measurement and control device according to the third embodiment, as shown in fig. 5, further includes: and a display module 15.
And the display module 15 is used for generating and displaying a test report according to the test result after the test module 12 generates the test result.
Example IV
Fig. 6 is a schematic structural diagram of a signal checking system according to a fourth embodiment, as shown in fig. 6, where the signal checking system includes a background monitor device 1 and a protection measurement and control device 2 according to any embodiment of the present invention, the protection measurement and control device 2 communicates with the background monitor device 1 through a first communication network line and a second communication network line at the same time, and the protection measurement and control device 2 is used to execute the signal checking method according to any embodiment of the present invention.
Embodiments of the present invention also provide a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method as provided by any of the embodiments of the present invention.
The computer storage media of embodiments of the invention may take the form of any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. The computer readable storage medium may be, for example, but not limited to: an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. Computer-readable storage media include (a non-exhaustive list): an electrical connection having one or more wires, a portable computer diskette, a hard disk, a random access Memory (Random Access Memory, RAM), a Read-Only Memory (ROM), an erasable programmable Read-Only Memory (electrically erasable, programmable Read-Only Memory, EPROM), a flash Memory, an optical fiber, a portable compact disc Read-Only Memory (Compact Disc Read-Only Memory, CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination thereof. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The computer readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with computer readable program code embodied in the data signal. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, radio Frequency (RF), etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations of the present disclosure may be written in one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++, ruby, go and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute 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 (Local Area Network, LAN) or a wide area network (Wide Area Network, WAN), or may be connected to an external computer, for example, through the internet using an internet service provider.
It will be appreciated by those skilled in the art that the term user terminal encompasses any suitable type of wireless user equipment, such as a mobile telephone, a portable data processing device, a portable web browser or a car mobile station.
In general, the various embodiments of the invention may be implemented in hardware or special purpose circuits, software, logic or any combination thereof. For example, some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software which may be executed by a controller, microprocessor or other computing device, although the invention is not limited thereto.
Embodiments of the invention may be implemented by a data processor of a mobile device executing computer program instructions, e.g. in a processor entity, either in hardware, or in a combination of software and hardware. The computer program instructions may be assembly instructions, instruction set architecture (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.
The block diagrams of any of the logic flows in the figures of this invention may represent program steps, or may represent interconnected logic circuits, modules, and functions, or may represent a combination of program steps and logic circuits, modules, and functions. The computer program may be stored on a memory. The memory may be of any type suitable to the local technical environment and may be implemented using any suitable data storage technology, such as, but not limited to, read Only Memory (ROM), random Access Memory (RAM), optical storage devices and systems (digital versatile disk DVD or CD optical disk), etc. The computer readable medium may include a non-transitory storage medium. The data processor may be of any type suitable to the local technical environment, such as, but not limited to, general purpose computers, special purpose computers, microprocessors, digital signal processors (Digital Signal Processing, DSPs), application specific integrated circuits (Application Specific Integrated Circuit, ASICs), programmable logic devices (Field-Programmable Gate Array, FGPA), and processors based on a multi-core processor architecture.
Claims (8)
1. The signal checking method is suitable for a protection measurement and control device of a signal checking system, the signal checking system comprises a background monitoring device and the protection measurement and control device, the protection measurement and control device is simultaneously communicated with the background monitoring device through a first communication network line and a second communication network line, and the method comprises the following steps:
the protection measurement and control device acquires a test signal and simultaneously sends the test signal to the background monitoring device through the first communication network cable and the second communication network cable, so that the background monitoring device automatically generates a return correction signal according to the test signal, the return correction signal carries information of the test signal, and the information of the test signal comprises content of the test signal and identification ID of the test signal;
if the protection measurement and control device receives the return correction signal sent by the background monitoring device, a test result is generated according to the return correction signal;
further comprises:
the protection measurement and control device judges whether the return correction signal sent by the background monitoring device is received through the first communication network line and the second communication network line at the same time;
if the return correction signal sent by the background monitoring device is not received through the first communication network cable and the return correction signal sent by the background monitoring device is received through the second communication network cable, the protection and measurement and control device records the fault of the first communication network cable, and the second communication network cable is normal;
if the first communication network cable receives the return correction signal sent by the background monitoring device and the second communication network cable does not receive the return correction signal sent by the background monitoring device, the protection and measurement control device records that the first communication network cable is normal and the second communication network cable fails;
if the return correction signal sent by the background monitoring device is not received through the first communication network cable and the second communication network cable, the protection measurement and control device records that the first communication network cable and the second communication network cable are both failed;
if the return correction signal sent by the background monitoring device is received through the first communication network cable and the second communication network cable, the protection measurement and control device records that the first communication network cable and the second communication network cable are normal;
after the protection measurement and control device records the fault of the first communication network line and the second communication network line is normal, the step of executing the test result according to the return correction signal comprises the following steps:
the protection measurement and control device judges whether the return correction signal is matched with the test signal or not;
if the return correction signal is matched with the test signal, the protection measurement and control device generates a first test result, wherein the first test result is used for indicating that the signal check passes;
and if the return correction signal is not matched with the test signal, the protection measurement and control device generates a second test result, wherein the second test result is used for indicating that the signal check fails.
2. The signal checking method according to claim 1, wherein the protection and measurement device acquiring the test signal includes:
the protection measurement and control device receives a hard contact test signal input by a user; or,
and the protection measurement and control device automatically generates soft message test signals periodically or aperiodically.
3. The signal collation method according to claim 1, further comprising, after the protection measurement and control device generates a test result:
and the protection measurement and control device generates and displays a test report according to the test result.
4. A protection and control device for executing the signal checking method according to any one of claims 1 to 3, the protection and control device simultaneously communicating with a background monitoring device through a first communication network line and a second communication network line, the protection and control device comprising: the device comprises a signal acquisition module, a communication module and a test module;
the signal acquisition module is used for acquiring a test signal;
the communication module is used for simultaneously transmitting the test signal to the background monitoring device through the first communication network cable and the second communication network cable, so that the background monitoring device automatically generates a correction return signal according to the test signal;
and the testing module is used for generating a testing result according to the return correction signal if the communication module receives the return correction signal sent by the background monitoring device.
5. The protection measurement and control device of claim 4, further comprising: a judging module and a recording module;
the judging module is used for judging whether the return correction signal sent by the background monitoring device is received through the first communication network line and the second communication network line at the same time;
the recording module is configured to record a fault of the first communication network line if the return correction signal sent by the background monitoring device is not received through the first communication network line, and the return correction signal sent by the background monitoring device is received through the second communication network line, where the second communication network line is normal; if the first communication network cable receives the return correction signal sent by the background monitoring device and the second communication network cable does not receive the return correction signal sent by the background monitoring device, recording that the first communication network cable is normal and the second communication network cable fails; if the return correction signals sent by the background monitoring device are not received through the first communication network cable and the second communication network cable, recording that the first communication network cable and the second communication network cable are both faulty; if the return correction signal sent by the background monitoring device is received through the first communication network cable and the second communication network cable, recording that the first communication network cable and the second communication network cable are normal.
6. The protection and measurement and control device according to claim 4, wherein,
the test module is specifically used for judging whether the return correction signal is matched with the test signal or not; if the return correction signal is matched with the test signal, a first test result is generated, and the first test result is used for indicating that the signal check passes; and if the return correction signal is not matched with the test signal, generating a second test result, wherein the second test result is used for indicating that the signal check fails.
7. A signal checking system, characterized by comprising a background monitoring device and a protection and control device with any one of claims 4-6, wherein the protection and control device is simultaneously communicated with the background monitoring device through a first communication network line and a second communication network line, and the protection and control device is used for executing the signal checking method of any one of claims 1-3.
8. A computer-readable storage medium storing a computer program, wherein the computer program, when executed by a processor, implements the signal collation method according to any one of claims 1 to 3.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184208A (en) * | 2014-08-13 | 2014-12-03 | 国家电网公司 | Integrated automation information proofreading system of transformer substation |
| CN104836626A (en) * | 2015-01-15 | 2015-08-12 | 国网四川省电力公司电力科学研究院 | Digital transformer station distributed test system |
| CN110570646A (en) * | 2019-08-20 | 2019-12-13 | 深圳供电局有限公司 | A four-remote signal acceptance method and system based on historical data |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7483826B2 (en) * | 2005-02-09 | 2009-01-27 | The Tokyo Electric Power Company, Incorporated | Group-based BCU methods for on-line dynamical security assessments and energy margin calculations of practical power systems |
| EP2088444A1 (en) * | 2008-02-11 | 2009-08-12 | ABB Research Ltd. | System level testing for substation automation systems |
-
2020
- 2020-07-30 CN CN202010753031.XA patent/CN111934427B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184208A (en) * | 2014-08-13 | 2014-12-03 | 国家电网公司 | Integrated automation information proofreading system of transformer substation |
| CN104836626A (en) * | 2015-01-15 | 2015-08-12 | 国网四川省电力公司电力科学研究院 | Digital transformer station distributed test system |
| CN110570646A (en) * | 2019-08-20 | 2019-12-13 | 深圳供电局有限公司 | A four-remote signal acceptance method and system based on historical data |
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