CN113852198A - Monitoring system for telecontrol machine of transformer substation - Google Patents
Monitoring system for telecontrol machine of transformer substation Download PDFInfo
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- CN113852198A CN113852198A CN202111122936.8A CN202111122936A CN113852198A CN 113852198 A CN113852198 A CN 113852198A CN 202111122936 A CN202111122936 A CN 202111122936A CN 113852198 A CN113852198 A CN 113852198A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 118
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- 238000004458 analytical method Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 claims abstract description 9
- 125000006850 spacer group Chemical group 0.000 claims abstract description 9
- 238000011156 evaluation Methods 0.000 claims abstract description 7
- 238000012423 maintenance Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims description 15
- 239000011229 interlayer Substances 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 8
- 230000008450 motivation Effects 0.000 claims description 7
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- 230000002159 abnormal effect Effects 0.000 abstract description 12
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- 230000008859 change Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 3
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- 230000010485 coping Effects 0.000 description 1
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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
- H02J13/0004—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 involved in a protection system
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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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Abstract
The application discloses a substation telemechanical monitoring system.A twin construction module is used for constructing a telemechanical twin body by combining entity telemechanical state information and data indexes based on a current state evaluation mechanism and a state prediction mechanism; the information acquisition module is used for acquiring running state information of the telecontrol machine through the incidence relation between the telecontrol machine twin body and the entity telecontrol machine, acquiring a first communication state of the telecontrol machine and the spacer layer and a second communication state of the telecontrol machine and the scheduling master station; the information analysis module is used for comparing and analyzing the running state information, the first communication state and the second communication state and judging the running state, the downlink communication state and the uplink communication state of the remote machine; the early warning module is used for carrying out various different maintenance early warning operations according to the running state, the downlink communication state and the uplink communication state of the early warning module. The method and the device can solve the technical problems that the existing monitoring technology cannot monitor the abnormal running state of the remote machine and the online abnormal condition of the related communication of the remote machine.
Description
Technical Field
The application relates to the technical field of telemechanical device monitoring, in particular to a monitoring system for a telemechanical machine of a transformer substation.
Background
With the popularization of hardware redundancy technology of a dispatching automation master station system, the continuous promotion of a standby dispatching automation system and the popularization of an intelligent remote motivation, the master station and the borne data services of the substation remote motivation in butt joint are more and more, meanwhile, unattended operation and unmanned switching operation of the substation are more and more widely applied, and the importance of the substation remote motivation is more and more prominent.
The existing monitoring technology cannot effectively monitor or early warn the abnormality of the remote machine of the transformer substation in time and cannot monitor the key abnormal phenomenon of the communication of the remote machine of the transformer substation on line. Therefore, the actual monitoring technology cannot touch the whole operation state of the telemechanical system, and the parameter change condition of the telemechanical system cannot be controlled.
Disclosure of Invention
The application provides a substation telemechanical monitoring system, which is used for solving the technical problems that the running state and parameter change of a telemechanical cannot be controlled due to the fact that the running state of the telemechanical cannot be monitored to be abnormal by the existing monitoring technology and the related communication online abnormal condition of the telemechanical.
In view of this, the present application provides, in a first aspect, a substation telemechanical monitoring system, including:
the system comprises a twin construction module, an information acquisition module, an information analysis module and an early warning module;
the twin construction module is used for constructing a remote motor twin body by combining entity remote motivation state information and data indexes based on a current state evaluation mechanism and a state prediction mechanism;
the information acquisition module is used for acquiring running state information of the telecontrol machine through an incidence relation between the telecontrol machine twin body and the entity telecontrol machine, acquiring a first communication state of the telecontrol machine and the spacer layer and a second communication state of the telecontrol machine and the scheduling master station, wherein the running state information comprises a CPU time parameter, a memory occupation parameter, a disk utilization rate and a process online state;
the information analysis module is used for comparing and analyzing the running state information, the first communication state and the second communication state and judging the running state, the downlink communication state and the uplink communication state of the telemotivation;
and the early warning module is used for carrying out various different overhauling early warning operations according to the self running state, the downlink communication state and the uplink communication state.
Optionally, the information analysis module is specifically configured to:
comparing the running state information with a preset parameter value, and determining the running state of the remote machine;
judging whether the first communication state is that interlayer data information is received, if not, the remote motor and the interlayer downlink communication are false online, if so, the remote motor and the interlayer downlink communication are normal, and the downlink communication state comprises the downlink communication false online and the downlink communication is normal;
and judging whether the second communication state is that data information is sent to the scheduling main station, if not, the telecontrol machine and the scheduling main station are in uplink communication pseudo-online, if so, the telecontrol machine and the scheduling main station are in uplink communication normally, and the uplink communication state comprises the uplink communication pseudo-online and the uplink communication normally.
Optionally, the early warning module is specifically configured to:
carrying out maintenance early warning operation exceeding a preset parameter value according to the self running state;
and carrying out false online frequency statistics according to the downlink communication state and the uplink communication state, and carrying out early warning prompt operation of an improvement strategy when the frequency exceeds a preset frequency.
Optionally, the method further includes: a display module;
and the display module is used for displaying the running state information, the running state of the display module, the downlink communication state and the uplink communication state in real time.
Optionally, the method further includes: a prediction module;
and the prediction module is used for predicting the future self running state of the remote machine according to the running state information to obtain a predicted running state.
According to the technical scheme, the embodiment of the application has the following advantages:
in this application, a telemechanical monitoring system of transformer substation is provided, include: the system comprises a twin construction module, an information acquisition module, an information analysis module and an early warning module; the twin construction module is used for constructing a telecontrol machine twin based on a current state evaluation mechanism and a state prediction mechanism by combining entity telecontrol machine state information and data indexes; the information acquisition module is used for acquiring running state information of the telecontrol machine through the incidence relation between the telecontrol machine twin body and the entity telecontrol machine, acquiring a first communication state of the telecontrol machine and the spacer layer and a second communication state of the telecontrol machine and the scheduling master station, wherein the running state information comprises a CPU time parameter, a memory occupation parameter, a disk utilization rate and a process online state; the information analysis module is used for comparing and analyzing the running state information, the first communication state and the second communication state and judging the running state, the downlink communication state and the uplink communication state of the remote machine; and the early warning module is used for carrying out various different overhauling and early warning operations according to the running state, the downlink communication state and the uplink communication state of the early warning module.
According to the substation telecontrol machine monitoring system, the remote telecontrol machine running condition is monitored by constructing a telecontrol machine twin body, so that the health management of a telecontrol machine is realized; monitoring the communication condition between the telecontrol machine and other levels besides the running state data of the telecontrol machine; meanwhile, the operation of the remote control is controlled from local data and overall communication, and efficient monitoring of the remote control is realized. Therefore, the method and the device can solve the technical problem that the existing monitoring technology cannot monitor the abnormal running state of the remote machine and the abnormal situation of the relevant communication on line of the remote machine, so that the running state and the parameter change of the remote machine cannot be controlled.
Drawings
Fig. 1 is a schematic structural diagram of a substation telemechanical monitoring system provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a twin system of a telemechanical device provided in an embodiment of the present application.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
For easy understanding, please refer to fig. 1, the present application provides an embodiment of a substation telemechanical monitoring system, including: the system comprises a twin construction module 101, an information acquisition module 102, an information analysis module 103 and an early warning module 104.
And the twin construction module 101 is used for constructing a telecontrol machine twin based on the current situation evaluation mechanism and the state prediction mechanism by combining the entity telecontrol state information and the data indexes.
And constructing a transformer substation telecontrol machine twin body based on the digital twin through virtual-real mapping and interactive fusion of the transformer substation telecontrol machine digital twin body. The substation telecontrol machine twin body acquires the state of the bay level and the station control level equipment, telecontrol machine to bay level communication messages in the substation, scheduling main station communication messages and first hand information of data quality in real time through an intelligent telecontrol machine based on a substation 61850 protocol, and monitors and predicts the running state of the substation telecontrol machine.
Referring to fig. 2, the remote motive of the digital twin transformer substation mainly comprises a virtual intelligent gateway, a proxy server, a twin system switch, a real-time database, a historical database and a twin server. The twin body of the remote motor is constructed Based on the Current state evaluation (EBCC, namely, evaluation on the Current state of the remote motor) and the data twin decision method Based on the Future state Prediction (PBFC, namely, Prediction on the Future behavior of the operation index of the remote motor). The twin body of the remote motor of the transformer substation applies an intelligent gateway data sensing interaction technology and a data management technology. In addition, in this embodiment, a 61850 technology-based intelligent sensing, multi-sensor fusion, and plug-and-play technology are used to provide adaptive networking data interaction for the remote agent of the virtual digital twin substation, and the interlayer device messages received by the digital twin remote agent and the message information forwarded to the scheduling master station are analyzed in real time.
The information acquisition module 102 is configured to acquire running state information of the remote machine through an association relationship between a twin body of the remote machine and the entity remote machine, acquire a first communication state between the remote machine and the spacer layer, and a second communication state between the remote machine and the scheduling master station, where the running state information includes a CPU time parameter, a memory usage parameter, a disk usage rate, and a process online state.
The telecontrol machine twin body can detect the running state of the entity telecontrol machine in real time, acquire the state information and the data information of the entity telecontrol machine, and also can determine the communication state of the telecontrol machine, wherein the communication state comprises a first communication state between the telecontrol machine and the spacer layer and a second communication state between the telecontrol machine and the scheduling master station. The communication state here can be understood as a normal communication state and a pseudo-online communication state, that is, a state in which information cannot be sent or received in a case where both devices are online. The process online state in the running state information refers to a process state in the running process of the remote controller, and can also be divided into a normal state and a false online state, and different identification marks can be adopted.
And the information analysis module 103 is configured to compare and analyze the operation state information, the first communication state and the second communication state, and determine a self operation state, a downlink communication state and an uplink communication state of the remote machine.
Further, the information analysis module 103 is specifically configured to:
comparing the running state information with a preset parameter value, and determining the running state of the remote machine;
judging whether the first communication state is that interlayer data information is received, if not, the remote motor and the interlayer downlink communication are false online, if so, the remote motor and the interlayer downlink communication are normal, and the downlink communication state comprises the downlink communication false online and the downlink communication is normal;
and judging whether the second communication state is that data information is sent to the scheduling main station, if not, the telecontrol machine and the scheduling main station are in uplink communication pseudo-online, if so, the telecontrol machine and the scheduling main station are in uplink communication normally, and the uplink communication state comprises the uplink communication pseudo-online and the uplink communication normally.
The running state information comprises CPU time parameters, memory occupation parameters, disk utilization rate and process online state of the remote machine. Each parameter and information can be set with corresponding reference parameter values, or can be a value range formed by parameter values, and the value range is normal in the range, otherwise, the value range is abnormal.
Specifically, the CPU time parameter refers to a CPU idle time id and a CPU waiting time wa, and if id is always below 10% and wa is above 90% in a specific time, it indicates that resources of the CPU are in a shortage and are in an abnormal operating state, otherwise, it is in a normal operating state. The memory occupation parameter refers to the page number avw of the active virtual memory, i.e. the number of page spaces allocated to the working segment during the process operation), the average number fre of free memory pages, the page pi input from the page, and the page po output to the page; when fre is less than 120, the system starts an automatic kill process to release the memory; if the memory of fre is very low and is lower than a threshold value, and the numbers of pi and po are very large and are larger than the respective corresponding threshold values, the situation that the memory resources are in shortage and the memory operation is in an abnormal state is shown. The disk usage rate is that when the disk occupancy exceeds 70%, the disk occupancy exceeds the preset value and is in an abnormal operation state. And the process online state of the remote motivation is represented by stat, when the stat value is Z, the process is terminated, but part of the program is still in the memory, and the process is in a false online state. The above analysis and judgment processes about the running state information are all analysis processes of the running state of the remote machine.
The downlink communication state and the uplink communication state refer to the communication condition between the remote motor and the spacer layer and the scheduling main station respectively, namely whether the remote motor receives data information sent by the spacer layer or not and whether the remote motor sends the data information to the scheduling main station or not; if the remote motor can receive the data information sent by the spacer layer and also can send the data information to the scheduling main station, the downlink and uplink communication states of the remote motor are normal, otherwise, the communication is in a false online state.
And the early warning module 104 is used for performing various different overhaul early warning operations according to the self running state, the downlink communication state and the uplink communication state.
Further, the early warning module 104 is specifically configured to:
carrying out maintenance early warning operation exceeding a preset parameter value according to the running state of the self-body;
and carrying out false online frequency statistics according to the downlink communication state and the uplink communication state, and carrying out early warning prompt operation of an improvement strategy when the frequency exceeds a preset frequency.
Aiming at different running and communication states, different coping operations need to be made; if the running state of the telemechanical is in a problem, namely the parameter exceeds the preset parameter, or the state is under the condition of a certain specific identification, a maintenance early warning prompt needs to be sent out, so that the operator can conveniently and timely maintain the telemechanical, and subsequent faults are avoided. If the downlink communication state or the uplink communication state has a problem, generally a false online problem, the frequency of false online needs to be counted, and if the false online exceeds a certain frequency, an early warning prompt is needed to prompt an operator to improve a corresponding program strategy.
Further, still include: a display module 105;
and the display module is used for displaying the running state information, the running state of the display module, the downlink communication state and the uplink communication state in real time. The twin data transmission protocol of the remote motivation of the digital twin transformer substation enables the scheduling master station to acquire, manage and use real-time data in the actual operation process and comprehensively display the real-time data. Namely, the acquired information is displayed in real time, and the operation state and the communication state of the telemechanical are analyzed.
Further, still include: a prediction module 106;
and the prediction module is used for predicting the future self running state of the remote machine according to the running state information to obtain a predicted running state.
The remote control machine twin body has the advantages that the future state can be simulated and predicted according to the existing operation data information and communication state to obtain the predicted operation state, the predicted operation state can trigger the remote control machine health state early warning to prompt operators to pay attention to some possible fault problems, and an intervention early warning strategy is provided.
According to the substation telecontrol machine monitoring system provided by the embodiment of the application, the operation condition of a remote telecontrol machine is monitored by constructing a telecontrol machine twin body, so that the health management of the telecontrol machine is realized; monitoring the communication condition between the telecontrol machine and other levels besides the running state data of the telecontrol machine; meanwhile, the operation of the remote control is controlled from local data and overall communication, and efficient monitoring of the remote control is realized. Therefore, the technical problem that the running state and parameter change of the remote machine cannot be controlled due to the fact that the existing monitoring technology cannot monitor the running state abnormality of the remote machine and the related communication online abnormal condition of the remote machine can be solved.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for executing all or part of the steps of the method described in the embodiments of the present application through a computer device (which may be a personal computer, a server, or a network device). And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (5)
1. A substation telemechanical monitoring system is characterized by comprising: the system comprises a twin construction module, an information acquisition module, an information analysis module and an early warning module;
the twin construction module is used for constructing a remote motor twin body by combining entity remote motivation state information and data indexes based on a current state evaluation mechanism and a state prediction mechanism;
the information acquisition module is used for acquiring running state information of the telecontrol machine through an incidence relation between the telecontrol machine twin body and the entity telecontrol machine, acquiring a first communication state of the telecontrol machine and the spacer layer and a second communication state of the telecontrol machine and the scheduling master station, wherein the running state information comprises a CPU time parameter, a memory occupation parameter, a disk utilization rate and a process online state;
the information analysis module is used for comparing and analyzing the running state information, the first communication state and the second communication state and judging the running state, the downlink communication state and the uplink communication state of the telemotivation;
and the early warning module is used for carrying out various different overhauling early warning operations according to the self running state, the downlink communication state and the uplink communication state.
2. The substation telemechanical monitoring system of claim 1, wherein the information analysis module is specifically configured to:
comparing the running state information with a preset parameter value, and determining the running state of the remote machine;
judging whether the first communication state is that interlayer data information is received, if not, the remote motor and the interlayer downlink communication are false online, if so, the remote motor and the interlayer downlink communication are normal, and the downlink communication state comprises the downlink communication false online and the downlink communication is normal;
and judging whether the second communication state is that data information is sent to the scheduling main station, if not, the telecontrol machine and the scheduling main station are in uplink communication pseudo-online, if so, the telecontrol machine and the scheduling main station are in uplink communication normally, and the uplink communication state comprises the uplink communication pseudo-online and the uplink communication normally.
3. The substation telemechanical monitoring system of claim 1, wherein the early warning module is specifically configured to:
carrying out maintenance early warning operation exceeding a preset parameter value according to the self running state;
and carrying out false online frequency statistics according to the downlink communication state and the uplink communication state, and carrying out early warning prompt operation of an improvement strategy when the frequency exceeds a preset frequency.
4. The substation telemechanical monitoring system of claim 1, further comprising: a display module;
and the display module is used for displaying the running state information, the running state of the display module, the downlink communication state and the uplink communication state in real time.
5. The substation telemechanical monitoring system of claim 1, further comprising: a prediction module;
and the prediction module is used for predicting the future self running state of the remote machine according to the running state information to obtain a predicted running state.
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