CN110635571A - Power failure monitoring system for power distribution network equipment - Google Patents
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Abstract
The application discloses distribution network equipment power failure monitoring system is applied to the OMS system, including action layer, information layer, analytic layer and command layer, wherein: the action layer comprises a power distribution network automation system, a power grid GIS system, a power grid EMS management system and a dispatching center; the information layer includes: an equipment state monitoring unit; a power grid state monitoring unit; a device location acquisition unit; an electric energy monitoring unit; a power outage plan acquisition unit; the analysis layer comprises a power failure information proofreading unit which judges whether power failure abnormity occurs in the power failure plan according to the information of the information layer and obtains a judgment result; and the command layer comprises a power grid state regulation and control unit which sends a correction command to the distribution network automation system according to the judgment result and executes a power failure plan without power failure abnormity. The power distribution network power failure planning method and system reduce the influence of power failure abnormity on the power failure plan and the power distribution network, further correct the power failure plan, ensure the implementation of the power failure plan, and improve the reliability and safety of the power failure plan in the whole power distribution network.
Description
Technical Field
The invention relates to the field of power distribution network control, in particular to a power failure monitoring system for power distribution network equipment.
Background
Distribution network automation is a novel technology of power application in recent years, and relates to distribution lines and corresponding equipment of objects including medium and low-grade power grids. Due to the characteristics of numerous distribution network equipment, direct connection with users and close combination with urban construction, the power failure plan of the distribution network equipment is complicated. Meanwhile, the power failure plan of the power distribution equipment still involves multiple departments and units such as scheduling, production, marketing, equipment operation and the like, so that the power failure plan has certain difficulty in coordination and unified management, and the abnormal condition of power failure line equipment often occurs during power failure operation, and the power failure plan is not favorable for normal production and normal power failure plan planning.
Therefore, how to provide a solution to the above technical problems is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides a power failure monitoring system for power distribution network equipment, so as to improve monitoring and control of abnormal power failure conditions of the power distribution network. The specific scheme is as follows:
the utility model provides a distribution network equipment power failure monitoring system, is applied to the OMS system, including action layer, information layer, analysis layer and command layer, wherein:
the action layer comprises a power distribution network automation system, a power grid GIS system, a power grid EMS management system and a dispatching center;
the information layer includes:
the equipment state monitoring unit is connected with the distribution network automation system;
the power grid state monitoring unit is connected with the power distribution network automation system;
the equipment position acquisition unit is connected with the power grid GIS system;
the electric energy monitoring unit is connected with the power grid EMS management system;
a power failure plan acquisition unit connected with the dispatching center;
the analysis layer comprises a power failure information proofreading unit which is connected with the information layer and used for judging whether power failure abnormity occurs in a power failure plan according to the information of the information layer to obtain a judgment result;
and the command layer comprises a power grid state regulation and control unit which is connected with the power failure information determination unit and used for sending a correction command to the distribution network automation system according to the judgment result and executing the power failure plan without power failure abnormity.
Preferably, the device state monitoring unit is used for acquiring the running state of the device;
the power grid state monitoring unit is used for acquiring the running state of a power grid;
the device position acquisition unit is used for acquiring device position information;
the electric energy monitoring unit is used for monitoring the total use condition of electric energy and the use condition of electric energy in an area;
the power failure information checking unit is specifically used for:
and judging whether the equipment in the line corresponding to the power failure plan operates abnormally, whether the line is in a power failure state and whether the electric quantity is abnormal according to the equipment operation state, the power grid operation state, the equipment position information, the total electric energy use condition, the electric energy use condition in the area and the power failure plan, and obtaining a judgment result.
Preferably, the power outage information checking unit is specifically configured to:
and judging whether the equipment in the line corresponding to the power failure plan abnormally operates according to the current, and/or the voltage, and/or the active power, and/or the vibration, and/or the differential pressure, and/or the temperature and/or the efficiency in the equipment operation state.
Preferably, the power outage information checking unit is specifically configured to:
and cleaning and screening the equipment operation state, the power grid operation state, the equipment position information, the total electric energy use condition, the electric energy use condition in the area and the power failure plan data to obtain target data, and judging whether the equipment in the line corresponding to the power failure plan operates abnormally, whether the line is in the power failure state and whether the electric quantity is abnormal by utilizing the target data to obtain a judgment result.
Preferably, the analysis layer further comprises:
and the visualization unit is used for performing association analysis, and/or clustering analysis, and/or classification analysis, and/or anomaly analysis, and/or specific group analysis and/or evolution analysis on the target data, and establishing a visualization data model.
Preferably, the power outage information checking unit is further configured to:
and calculating the load rate of the power grid equipment according to the information of the information layer, and analyzing the operation data of the heavy-load equipment according to the load rate of the power grid equipment to obtain an early warning result.
Preferably, the grid state regulating and controlling unit is further configured to:
and issuing a corresponding early warning command according to the early warning result.
Preferably, the device state monitoring unit comprises a voltage monitoring unit, a current monitoring unit and an operating environment monitoring unit.
The application discloses distribution network equipment power failure monitoring system is applied to the OMS system, including action layer, information layer, analytic layer and command layer, wherein: the action layer comprises a power distribution network automation system, a power grid GIS system, a power grid EMS management system and a dispatching center; the information layer includes: the equipment state monitoring unit is connected with the distribution network automation system; the power grid state monitoring unit is connected with the power distribution network automation system; the equipment position acquisition unit is connected with the power grid GIS system; the electric energy monitoring unit is connected with the power grid EMS management system; a power failure plan acquisition unit connected with the dispatching center; the analysis layer comprises a power failure information proofreading unit which is connected with the information layer and used for judging whether power failure abnormity occurs in a power failure plan according to the information of the information layer to obtain a judgment result; and the command layer comprises a power grid state regulation and control unit which is connected with the power failure information determination unit and used for sending a correction command to the distribution network automation system according to the judgment result and executing the power failure plan without power failure abnormity. The information layer obtains the information of the action layer and sends the information to the analysis layer, the analysis layer obtains the conclusion whether the power failure plan is abnormal or not, and the command layer executes or corrects the power failure plan, so that the influence of the power failure abnormality on the power failure plan and the power distribution network is reduced, the power failure plan is further corrected, the implementation of the power failure plan is ensured, and the reliability and the safety of the power failure plan in the whole power distribution network are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a structural distribution diagram of a power distribution network equipment power failure monitoring system according to an embodiment of the present invention;
fig. 2 is a structural distribution diagram of a power distribution network equipment power outage management system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Due to the characteristics of numerous distribution network equipment, direct connection with users and close combination with urban construction, the power failure plan of the distribution network equipment is complicated. Meanwhile, the power failure plan of the power distribution equipment still involves multiple departments and units such as scheduling, production, marketing, equipment operation and the like, so that the power failure plan has certain difficulty in coordination and unified management, and the abnormal condition of power failure line equipment often occurs during power failure operation, and the power failure plan is not favorable for normal production and normal power failure plan planning. The information of the action layer is acquired through the information layer and is sent to the analysis layer, the conclusion whether the power failure plan is abnormal or not is obtained through the analysis layer, and the power failure plan is executed or corrected through the command layer, so that the influence of the power failure abnormality on the power failure plan and the power distribution network is reduced, the power failure plan is further corrected, the implementation of the power failure plan is ensured, and the reliability and the safety of the power failure plan in the whole power distribution network are improved.
The embodiment of the invention discloses a power failure monitoring System of power distribution network equipment, which is applied to an OMS (outlet Management System) System, and is shown in figure 1, and comprises an action layer 1, an information layer 2, an analysis layer 3 and a command layer 4, wherein:
the action layer 1 includes a distribution network automation System 11, a power grid GIS (Geographic Information System) System 12, a power grid EMS (Energy Management System) Management System 13, and a scheduling center 14;
the information layer 2 comprises:
an equipment state monitoring unit 21 connected to the distribution network automation system 11;
a grid state monitoring unit 22 connected to the distribution network automation system 11;
an equipment position acquisition unit 23 connected to the grid GIS system 12;
an electric energy monitoring unit 24 connected to the grid EMS management system 13;
a power outage plan acquisition unit 25 connected to the dispatch center 14;
the analysis layer 3 comprises a power failure information proofreading unit 31 which is connected with the information layer 2 and used for judging whether power failure abnormity occurs in the power failure plan according to the information of the information layer 2 and obtaining a judgment result;
the command layer 4 includes a power grid state control unit 41 connected to the power outage information determination unit, and configured to send a correction command to the distribution network automation system 11 according to the determination result, and execute a power outage plan without power outage abnormality.
Specifically, the information layer 2, the analysis layer 3, and the command layer 4 are all implemented in a program form, and may be built-in modules of the OMS system. The relevant modules of each layer specifically function as follows:
in the information layer 2, the distribution network automation system 11, the power grid GIS system 12, the power grid EMS management system 13 and the dispatching center 14 are all in information interaction with the OMS system;
the device state monitoring unit 21 is configured to obtain a device operation state to determine whether the device in the power grid operates normally; the equipment state monitoring unit 21 comprises a voltage monitoring unit, a current monitoring unit and an operating environment monitoring unit, wherein the voltage monitoring unit is used for monitoring an equipment operating voltage value, the current monitoring unit is used for monitoring an equipment operating current value, and the operating environment monitoring unit is used for monitoring an equipment operating environment condition;
similarly, the grid state monitoring unit 22 is configured to obtain a grid operating state to determine whether the grid is normally powered on; the grid state monitoring unit 22 specifically includes a line current monitoring unit and a circuit breaker monitoring unit.
The device position obtaining unit 23 is configured to obtain device position information, so that a subsequent device can correct or eliminate a fault in time; in fact, the device position obtaining unit 23 may establish a topology relation library through the topology structure of the entire power distribution network and the position of the device, trace and locate the power distribution network power failure device from the topology of the child device to all the parent nodes, that is, the child management and control switches, by using a loop iteration or other method, and calculate the power failure influence range according to the power failure device.
Similarly, the power monitoring unit 24 is used for monitoring the overall power usage and the power usage in the area; the blackout plan acquisition unit 25 is used for acquiring blackout plans of the dispatching center 14.
Further, the power outage information checking unit 31 is specifically configured to:
and judging whether the equipment in the line corresponding to the power failure plan abnormally operates, whether the line is in the power failure state and whether the electric quantity is abnormal according to the equipment operation state, the power grid operation state, the equipment position information, the total electric energy use condition, the regional electric energy use condition and the power failure plan, and obtaining a judgment result.
The blackout information checking unit 31 is specifically configured to determine whether the in-line equipment corresponding to the blackout plan operates abnormally according to the current, and/or the voltage, and/or the active power, and/or the vibration, and/or the differential pressure, and/or the temperature and/or the efficiency in the operation state of the equipment. It can be understood that the above indexes all have independence, and the running abnormal state of the equipment can be reflected by the indexes, and the power failure information checking unit 31 can perform comprehensive troubleshooting on the line, so that the safe and normal implementation of the power failure plan can be ensured.
It can be understood that the data information primarily acquired by the power outage information checking unit 31 needs to be processed in advance, and then the valid data is determined, so that the power outage information checking unit 31 is specifically configured to: and cleaning and screening the data of the equipment operation state, the power grid operation state, the equipment position information, the total electric energy use condition, the electric energy use condition in the area and the power failure plan to obtain target data, and judging whether the equipment in the line corresponding to the power failure plan operates abnormally, whether the line is in the power failure state and whether the electric quantity is abnormal by utilizing the target data to obtain a judgment result.
It can be understood that, when the power failure plan checking unit 31 performs the judgment, firstly, according to the connection relationship of the power distribution electrical equipment, the whole power distribution network is viewed as a line-point combined topological graph, and the topological connection analysis of the whole network is performed according to the power supply nodes, the switch nodes and the like, and the topological connection analysis is the basis of performing other analyses such as state estimation, power flow calculation, fault location, isolation, power supply restoration, network reconstruction and the like on the power distribution network.
Further, the power failure plan checking unit 31 performs comprehensive analysis on the target data (the effective equipment operation state, the power grid operation state, the equipment position information, the total power utilization condition and the power utilization condition in the area) and the corresponding power failure plan, compares the target data with the power grid operation normal state data in the database, and calculates the load rate of the power grid equipment according to the monitoring data of the power grid equipment, so as to realize the analysis of the operation data of the heavy load equipment. And comprehensively analyzing the reasonability and the high efficiency of the power failure plan according to the information. And an auxiliary decision suggestion is provided for optimizing the operation mode and maintenance mode arrangement of the power grid, so that the scheduling strategy and plan are effectively adjusted, scientific scheduling is performed, and the operation condition of the power grid is improved.
Therefore, the power outage information correction unit 31 can also be used to: and calculating the load rate of the power grid equipment according to the information of the information layer 2, and analyzing the operation data of the heavy-load equipment according to the load rate of the power grid equipment to obtain an early warning result.
Correspondingly, the grid state regulating unit 41 may be further configured to: and issuing a corresponding early warning command according to the early warning result.
According to the above description, the power failure monitoring system for the power distribution network equipment in the embodiment can timely, comprehensively and accurately master the power grid operation state, scientifically issue power grid early warning information, make full emergency preparation of accidents, and provide efficient calculation and check for arrangement of a power grid maintenance mode.
Specifically, the grid state control unit 41 in the command layer 4 is configured to send a correction command to the distribution network automation system 11, and execute a power outage plan without power outage abnormality. Due to the information state interaction and receipt between the OMS system and the action layer 1, the corrective commands can be resynchronized to the OMS system and to the dispatch center 14.
Therefore, the power grid state regulating and controlling unit 41 ensures safe and normal implementation of the power failure plan on one hand, and timely corrects abnormal information in the power failure plan through the correction command on the other hand, so that the operation safety and the power failure accuracy of the whole power distribution network are greatly improved, the repeated power failure condition is avoided, and the stable power utilization of users is guaranteed.
The information of the action layer is acquired through the information layer and is sent to the analysis layer, the conclusion whether the power failure plan is abnormal or not is obtained through the analysis layer, and the power failure plan is executed or corrected through the command layer, so that the influence of the power failure abnormality on the power failure plan and the power distribution network is reduced, the power failure plan is further corrected, the implementation of the power failure plan is ensured, and the reliability and the safety of the power failure plan in the whole power distribution network are improved.
The embodiment of the invention discloses a specific power distribution network equipment power failure monitoring system, and compared with the previous embodiment, the embodiment further explains and optimizes the technical scheme.
Referring to fig. 2, the analysis layer 3 further includes:
the visualization unit 32 is used for performing association analysis, and/or clustering analysis, and/or classification analysis, and/or anomaly analysis, and/or specific group analysis and/or evolution analysis on the target data, and establishing a visualization data model.
It can be understood that the whole power distribution network equipment power failure monitoring system can be manually corrected or regulated, so that each unit can be provided with an external port so that a user can input relevant correction information, and the correction information can be incorporated into other information acquired by the unit where the unit is located and can be analyzed or output as the same type of data.
In order to facilitate observation of the operation process and checking of the determination result inside the power failure monitoring system for the power distribution network equipment by a user, a visualization unit 32 for performing relevant analysis on target data is added in the embodiment, so that the operation condition of the power distribution network equipment is displayed reliably and vividly, and an accurate determination basis is provided for the user.
It is understood that the actions of performing association analysis, and/or cluster analysis, and/or classification analysis, and/or anomaly analysis, and/or specific group analysis and/or evolution analysis on the target data may also be implemented by the outage information collating unit 31 as a basis for determining whether an outage anomaly occurs in the outage plan.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The power failure monitoring system for the power distribution network equipment provided by the invention is described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. The utility model provides a distribution network equipment power failure monitoring system which characterized in that is applied to the OMS system, including action layer, information layer, analysis layer and command layer, wherein:
the action layer comprises a power distribution network automation system, a power grid GIS system, a power grid EMS management system and a dispatching center;
the information layer includes:
the equipment state monitoring unit is connected with the distribution network automation system;
the power grid state monitoring unit is connected with the power distribution network automation system;
the equipment position acquisition unit is connected with the power grid GIS system;
the electric energy monitoring unit is connected with the power grid EMS management system;
a power failure plan acquisition unit connected with the dispatching center;
the analysis layer comprises a power failure information proofreading unit which is connected with the information layer and used for judging whether power failure abnormity occurs in a power failure plan according to the information of the information layer to obtain a judgment result;
and the command layer comprises a power grid state regulation and control unit which is connected with the power failure information determination unit and used for sending a correction command to the distribution network automation system according to the judgment result and executing the power failure plan without power failure abnormity.
2. The power distribution network equipment outage monitoring system of claim 1,
the equipment state monitoring unit is used for acquiring the running state of the equipment;
the power grid state monitoring unit is used for acquiring the running state of a power grid;
the device position acquisition unit is used for acquiring device position information;
the electric energy monitoring unit is used for monitoring the total use condition of electric energy and the use condition of electric energy in an area;
the power failure information checking unit is specifically used for:
and judging whether the equipment in the line corresponding to the power failure plan operates abnormally, whether the line is in a power failure state and whether the electric quantity is abnormal according to the equipment operation state, the power grid operation state, the equipment position information, the total electric energy use condition, the electric energy use condition in the area and the power failure plan, and obtaining a judgment result.
3. The power distribution network equipment power failure monitoring system of claim 2, wherein the power failure information checking unit is specifically configured to:
and judging whether the equipment in the line corresponding to the power failure plan abnormally operates according to the current, and/or the voltage, and/or the active power, and/or the vibration, and/or the differential pressure, and/or the temperature and/or the efficiency in the equipment operation state.
4. The system for monitoring power failure of power distribution network equipment according to claim 3, wherein the power failure information checking unit is specifically configured to:
and cleaning and screening the equipment operation state, the power grid operation state, the equipment position information, the total electric energy use condition, the electric energy use condition in the area and the power failure plan data to obtain target data, and judging whether the equipment in the line corresponding to the power failure plan operates abnormally, whether the line is in the power failure state and whether the electric quantity is abnormal by utilizing the target data to obtain a judgment result.
5. The system of claim 4, wherein the analysis layer further comprises:
and the visualization unit is used for performing association analysis, and/or clustering analysis, and/or classification analysis, and/or anomaly analysis, and/or specific group analysis and/or evolution analysis on the target data, and establishing a visualization data model.
6. The system for monitoring power failure of power distribution network equipment according to any one of claims 1 to 5, wherein the power failure information checking unit is further configured to:
and calculating the load rate of the power grid equipment according to the information of the information layer, and analyzing the operation data of the heavy-load equipment according to the load rate of the power grid equipment to obtain an early warning result.
7. The power distribution network equipment outage monitoring system of claim 6, wherein the grid state regulation and control unit is further configured to:
and issuing a corresponding early warning command according to the early warning result.
8. The system of claim 7, wherein the device status monitoring unit comprises a voltage monitoring unit, a current monitoring unit, and an operating environment monitoring unit.
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