[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN116660654A - Abnormality warning method, device, equipment and medium for protection equipment outside main network area - Google Patents

Abnormality warning method, device, equipment and medium for protection equipment outside main network area Download PDF

Info

Publication number
CN116660654A
CN116660654A CN202310607530.1A CN202310607530A CN116660654A CN 116660654 A CN116660654 A CN 116660654A CN 202310607530 A CN202310607530 A CN 202310607530A CN 116660654 A CN116660654 A CN 116660654A
Authority
CN
China
Prior art keywords
information
fault
equipment
protection
main network
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310607530.1A
Other languages
Chinese (zh)
Inventor
张荣海
王峰
刁扬
索江镭
谭乾
黄森
陈滔
徐兴发
周立
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Electric Power Dispatch Control Center of Guangdong Power Grid Co Ltd
Shaoguan Power Supply Bureau Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Electric Power Dispatch Control Center of Guangdong Power Grid Co Ltd
Shaoguan Power Supply Bureau Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Power Grid Co Ltd, Electric Power Dispatch Control Center of Guangdong Power Grid Co Ltd, Shaoguan Power Supply Bureau Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN202310607530.1A priority Critical patent/CN116660654A/en
Publication of CN116660654A publication Critical patent/CN116660654A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms
    • G08B21/185Electrical failure alarms
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention discloses an abnormality warning method, device, equipment and medium for protection equipment outside a main network area, wherein the method comprises the following steps: acquiring fault protection action information, and determining whether primary equipment of a target main network fails or not based on the fault protection action information; if the target primary equipment of the main network fails, determining out-of-zone protection equipment associated with the target primary equipment of the main network based on a main network topology connection diagram; acquiring fault associated information corresponding to the out-of-zone protection equipment, and determining abnormal warning information based on the fault associated information; the fault associated information includes device information, fault data information, and specification data information. The method and the device realize the determination of whether the fault occurs based on the fault protection action information, determine the out-of-area protection equipment corresponding to the current fault on the basis of confirming the occurrence of the fault, further determine the corresponding abnormal warning information based on the association information of the out-of-area protection equipment, and improve the accuracy of out-of-area fault analysis of the main network.

Description

Abnormality warning method, device, equipment and medium for protection equipment outside main network area
Technical Field
The present invention relates to the field of electric power technologies, and in particular, to an anomaly warning method, apparatus, device, and medium for protecting equipment outside a main network area.
Background
The rapid development of the accompanying power technology frequently occurs due to incorrect current-voltage loops and other reasons, so that the fault abnormality outside the high-voltage-class protection area is caused, and the safety and the stability of the power grid are greatly threatened.
In order to effectively prevent the occurrence of such protection abnormal events, after the primary equipment of the main network experiences the first external fault, the protection alternating current sampling value, the power direction and the differential protection differential current value need to be checked manually to judge whether the protection alternating current sampling value, the power direction and the differential protection differential current value are normal. However, as the amount of equipment is continuously increased and the structure of a large power grid is more and more complex, the accuracy of the traditional fault analysis outside the protection area by manual work depends on the level and responsibility of analysts, and the development requirement is difficult to meet.
Disclosure of Invention
The invention provides an abnormality warning method, device, equipment and medium for protecting equipment outside a main network area, which are used for determining whether faults occur according to fault action information, determining the outside of the area corresponding to the current faults, determining whether abnormality occurs according to the associated information of the equipment outside the area, and further improving the accuracy of analysis of the faults outside the main network area.
According to an aspect of the present invention, there is provided an anomaly warning method for protection equipment outside a main network area, the method including:
acquiring fault protection action information, and determining whether primary equipment of a target main network fails or not based on the fault protection action information;
if the target primary equipment of the main network fails, determining out-of-zone protection equipment associated with the target primary equipment of the main network based on a main network topology connection diagram;
acquiring fault associated information corresponding to the out-of-zone protection equipment, and determining abnormal warning information based on the fault associated information; wherein the fault associated information includes device information, fault data information, and specification data information.
According to another aspect of the present invention, there is provided an abnormality warning apparatus for protecting equipment outside a main network area, the equipment including:
the fault confirming module is used for acquiring fault protection action information and determining whether the primary equipment of the target main network has faults or not based on the fault protection action information
The out-of-zone determining module is used for determining out-of-zone protection equipment associated with the target primary equipment of the main network based on a main network topology connection diagram if the target primary equipment of the main network fails;
the warning module is used for acquiring fault associated information corresponding to the out-of-zone protection equipment and determining abnormal warning information based on the fault associated information; wherein the fault associated information includes device information, fault data information, and specification data information.
According to another aspect of the present invention, there is provided an electronic apparatus including:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,,
the memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor, so that the at least one processor can execute the abnormality alert method of the protection device outside the main network area according to any embodiment of the present invention.
According to another aspect of the present invention, there is provided a computer readable storage medium storing computer instructions for causing a processor to implement the method for warning of abnormality of a protection device outside a main network area according to any one of the embodiments of the present invention when executed.
According to the technical scheme, whether the target primary equipment of the main network fails or not is determined based on the fault protection action information by acquiring the fault protection action information, if the target primary equipment of the main network fails, the out-of-area protection equipment associated with the target primary equipment of the main network is determined based on the main network topology connection diagram, and then the abnormal warning information is determined based on the fault association information according to the fault association information corresponding to the out-of-area protection equipment. Based on the technical scheme, whether the fault occurs or not is determined based on the fault protection action information, the out-of-zone protection equipment corresponding to the current fault is determined based on the fault determination, and further the corresponding abnormal warning information is determined based on the association information of the out-of-zone protection equipment, so that the accuracy of out-of-zone fault analysis of the main network is improved.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of an anomaly warning method for a protection device outside a main network area according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a main network connection provided in an embodiment of the present invention;
fig. 3 is a flowchart of an anomaly warning method for a protection device outside a main network area according to an embodiment of the present invention;
fig. 4 is a flowchart of an anomaly warning method for a protection device outside a main network area according to an embodiment of the present invention;
fig. 5 is a structural block diagram of an abnormality warning device of an external protection device of a seed network area according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a schematic flow chart of an abnormality warning method for a primary device outside a primary network, where the method is applicable to determining whether a primary device of a target primary network has a failure based on failure protection action information, if the primary device of the target primary network has a failure, determining an outside-area protection device corresponding to the primary device of the target primary network, and determining an abnormality warning information condition according to information related to the outside-area protection device.
As shown in fig. 1, the method includes:
s110, acquiring fault protection action information, and determining whether the primary equipment of the target main network fails or not based on the fault protection action information.
The fault protection action information may be fault information reported when the main network fails, for example, may be fault message information. The target primary network primary device may be understood as a primary network primary device corresponding to the failsafe action information.
Specifically, if a primary device of a certain main network fails, failure protection action information sent by protection devices set on the primary device of the main network is obtained, and then based on the failure protection action information, the primary device of the target main network sending the failure is determined, and whether the failure actually occurs is verified. For example, the primary device identification information of the primary device of the main network may be set in advance to identify the primary device of the main network.
On the basis of the above technical solution, the determining whether the primary device of the target main network fails based on the failure protection action information includes: determining a target protection device based on the fault protection action information, and acquiring voltage class information corresponding to the target protection device; and determining standard action information based on the voltage grade information, and determining whether the primary equipment of the target main network fails or not based on the standard action information and the target protection device.
The target protection device may be a main network protection device that responds to a current fault, that is, a secondary device disposed in the main network, for example, a relay, a control switch, an indicator light, a measuring instrument, and the like. The voltage class information may be understood as a voltage class of the primary device to which the target device is mounted, and may be, for example, 500kV class, 220kV class, 110kV class, etc. The standard action information may be preset action information corresponding to the current voltage level.
Specifically, the target protection device is determined based on the fault protection action information, the voltage class information corresponding to the target protection device is obtained, the standard action information is determined based on the voltage class information, whether the target primary equipment of the main network fails or not is determined based on the standard action information and the target protection device, for example, the target protection device is determined based on the equipment identification information contained in the fault protection action information, the voltage class information of the target protection device is obtained, and whether the target primary equipment of the main network fails or not is determined according to the standard action information corresponding to the voltage class. For example, 3 sets or more of protection devices are required to operate at 500kV, 2 sets or more of protection devices are required to operate at 220kV, and 1 set or more of protection devices are required to operate at 110kV or less.
And S120, if the target primary network equipment fails, determining the out-of-area protection equipment associated with the target primary network equipment based on a primary network topology connection diagram.
The topology connection graph of the main network may be a connection graph determined in advance based on a connection relationship between the main networks. An out-of-zone protection device may be understood as a protection device outside the current fault zone.
Specifically, if it is determined that the target primary device of the primary network fails, the out-of-zone protection device associated with the target primary device of the primary network may be determined based on the primary network topology connection map. For example, after the target main network fails, the main network topology connection diagram corresponding to the target main network may be queried from a preset database based on the main network identification information of the target main network, and the out-of-zone protection device may be further determined based on the main network topology connection diagram.
On the basis of the above technical solution, the determining, based on the topology connection graph of the main network, the out-of-zone protection device associated with the target main network primary device includes: if the target primary network equipment fails, determining parallel primary network primary equipment associated with the target primary network primary equipment based on the primary network topology connection graph; and determining the out-of-zone protection equipment based on the parallel main network primary equipment.
The primary device of the parallel main network can be a primary device of the main network which is parallel to the target configuration single secondary device.
Specifically, if the primary equipment of the target main network fails, determining the primary equipment of the parallel main network associated with the primary equipment of the target main network based on the topological connection diagram of the main network, and determining the protection equipment outside the area based on the primary equipment of the parallel main network, as shown in fig. 2, when the primary equipment of the main network fails, associating the protection equipment of the plant station of the target main network except for the primary equipment protection, and the protection equipment of the opposite end of other primary lines except for the primary equipment of the current failure, namely the protection equipment outside the area of the current power grid failure.
On the basis of the above technical solution, the determining, based on the topology connection graph of the main network, the out-of-zone protection device associated with the target main network primary device includes: determining a target substation corresponding to the target main network primary equipment, and determining a target fault element corresponding to the target substation; determining a first protection device corresponding to the target fault element, and determining a second protection device associated with the target primary device based on the primary device topology connection graph; the out-of-zone protection device is determined based on the first protection device and the second protection device.
The target substation can be understood as a faulty substation arranged on primary equipment of the target main network, and the corresponding target fault element can be a circuit element with a fault in the target substation. The first protection device may be a protection device disposed within the target substation that is not in a protection relationship with the target faulty element. The second protection device may be a protection device set on a primary device of the parallel main network except for the target configuration single secondary device.
Specifically, a target transformer substation corresponding to a target primary network device is determined, a target fault element corresponding to the target transformer substation is determined, a first protection device corresponding to the target fault element is further determined, a second protection device associated with the target primary network device is determined based on a primary network topology connection diagram, and finally the protection devices outside the area are determined based on the first protection device and the second protection device, namely, when the transformer substation element fails, all protection devices except the current fault element of the transformer substation, and the protection devices of other primary device protection opposite ends except the current fault primary device are the protection devices outside the area of the current power grid failure.
S130, acquiring fault associated information corresponding to the out-of-zone protection equipment, and determining abnormal warning information based on the fault associated information.
Wherein the fault associated information includes device information, fault data information, and specification data information. The fault associated information may be fault information corresponding to the out-of-zone protection device acquired based on a preset time threshold. The preset time threshold may be preset time information, for example, may be ten minutes. The abnormal warning information can be understood as warning information for prompting the occurrence of abnormality of the current protection device. The fault data information may include current data, voltage data, power data, phase data.
Specifically, the fault associated information corresponding to the out-of-zone protection device is obtained, and the abnormal warning information is determined based on the fault associated information, for example, after the fault occurs, the fault associated information corresponding to the out-of-zone protection device is obtained from a preset database. In order to implement fault analysis on the main network, in the process of operating the main network, related information of the main network and each device is obtained in real time through various sensors arranged in the main network, and the obtained information is stored in a preset database, so that fault analysis is performed based on the collected information after the fault occurs.
On the basis of the above technical solution, the determining the abnormal warning information based on the fault association information includes: acquiring fault data information corresponding to a first abnormality type, and determining whether equipment abnormality exists or not based on the fault data information and a preset analysis method; if the equipment is abnormal, generating abnormal warning information corresponding to the first abnormal type.
The first anomaly type at least comprises one of three-phase unbalance, zero line disconnection and differential flow mismatch. The preset analysis method may be a preset failure analysis method corresponding to the first abnormality type.
Specifically, fault data information corresponding to the first abnormal type is taken, whether equipment abnormality exists or not is determined based on the fault data information and a preset analysis method, if the equipment abnormality exists, abnormality warning information corresponding to the first abnormal type is generated, for example, current information, voltage information and waveform information corresponding to protection equipment outside a zone can be obtained, further whether three-phase unbalance occurs IN primary equipment of a target main network is determined based on the fault data information, for example, the fault data information is processed based on a preset standard algorithm, whether three-phase unbalance exists or not is determined, the size of third harmonic of UA, UB, UC and 3U0 can be calculated before starting through a protection device, when the third harmonic of any voltage is continuously greater than 4V for 40ms, the fault is judged to be a UN fault, or the fault is judged to be an IN fault if no zero sequence current, self-generated zero sequence voltage has mutation or the difference between external zero sequence current and self-generated zero sequence current exceeds a threshold value; the difference stream mismatch may be obtained by calculating the difference streams before and after the start, and matching the obtained difference stream information with a preset value to determine whether the difference stream mismatch occurs.
On the basis of the above technical solution, the determining the abnormal warning information based on the fault association information includes: acquiring equipment message information associated with the equipment information, and determining whether equipment abnormality exists or not based on the equipment message information; if the equipment is abnormal, generating abnormal warning information corresponding to the second abnormal type.
The second abnormality type at least comprises one of power reversal, device alarm and abnormality opening. The device message information may be message information sent by the out-of-zone protection device.
Specifically, acquiring device message information associated with the device information, determining whether a device abnormality exists based on the device message information, and if the device abnormality exists, generating abnormality warning information corresponding to a second abnormality type, for example, for power reversal, checking the power direction before and after the device is started, taking the direction when no fault occurs as a positive direction, thereby determining whether the power reversal occurs; the alarming for the device can be to acquire a message sent by the protection device outside the area and determine whether alarming information exists; for the abnormal opening, whether abnormal starting exists in the rechecking process of the current protection equipment is determined based on the equipment message information, whether the protection equipment is opened abnormally or not is further determined, and abnormal warning information corresponding to the abnormal type is generated.
On the basis of the above technical solution, the determining the abnormal warning information based on the fault association information includes: acquiring fault data information corresponding to the equipment information, and determining whether equipment abnormality exists or not based on the fault data information and the specification data information; if the equipment is abnormal, generating abnormal warning information corresponding to a third abnormal type.
The standard data information can be fixed value data preset in the running process of the main network and the equipment.
Specifically, fault data information corresponding to the equipment information is obtained, whether equipment abnormality exists or not is determined based on the fault data information and the specification data information, if the equipment abnormality exists, abnormality warning information corresponding to a third abnormality type is generated, for example, starting data set information of protection equipment, such as starting quantity, fixed value during starting, position information of a pressing plate and the like, corresponding specification data information is obtained, the fault data information and the specification data are matched, if the fault data information and the specification data cannot be matched, the existence of the abnormality of the protection equipment is indicated, and the corresponding abnormality warning information is generated.
According to the technical scheme, whether the target primary equipment of the main network fails or not is determined based on the fault protection action information by acquiring the fault protection action information, if the target primary equipment of the main network fails, the out-of-area protection equipment associated with the target primary equipment of the main network is determined based on the main network topology connection diagram, and then the abnormal warning information is determined based on the fault association information according to the fault association information corresponding to the out-of-area protection equipment. Based on the technical scheme, whether the fault occurs or not is determined based on the fault protection action information, the out-of-zone protection equipment corresponding to the current fault is determined based on the fault determination, and further the corresponding abnormal warning information is determined based on the association information of the out-of-zone protection equipment, so that the accuracy of out-of-zone fault analysis of the main network is improved.
Example two
Fig. 3 is a flowchart of an abnormality warning method for a protection device outside a main network area according to an embodiment of the present invention, where the abnormality warning method for the protection device outside the main network area is further optimized on the basis of the above embodiment. The specific implementation manner can be seen in the technical scheme of the embodiment. Wherein, the technical terms identical to or corresponding to the above embodiments are not repeated herein.
As shown in fig. 3, the method includes:
it should be noted that, due to incorrect current-voltage loops and other reasons, abnormal events often occur when faults outside the protection area of the high voltage level are caused, and a great threat is caused to safe and stable operation of the power grid. When the system fails, by analyzing protection events, waveforms and fault record information of adjacent non-fault elements, whether hidden dangers such as Un virtual connection, abnormal current loops and the like exist in the secondary system or not is identified, so that the safe operation level of the power grid is effectively improved, a specific analysis flow of the embodiment of the invention is shown in fig. 4, and a specific technical scheme of the embodiment of the invention can be understood by referring to fig. 4.
And (3) fault confirmation: specifically, the master station system receives fault protection action information; judging the voltage level of the interval of the protection device, and further determining whether 3 sets or more of protection device actions are required for the 500kV level, 2 sets or more of protection device actions are required for the 220kV level, and 1 set or more of protection device actions are required for the 110kV level or less after the fault is generated based on the voltage level and the fault protection action information.
Determining an out-of-zone protection device and acquiring information: specifically, when a primary equipment fault of power transmission is determined based on a preset main network topology connection diagram, protecting equipment except for primary equipment protection of the station on two sides of the primary equipment and protecting equipment of other primary equipment protection opposite ends except for the primary equipment of the fault are out-of-zone protecting equipment of the power grid fault; when other transformer substation elements are in fault, all protection devices except the fault element and protection devices at the protection opposite ends of other primary devices except the primary device are out-of-zone protection devices of the power grid fault, and information and wave recording files of the out-of-zone protection devices 10min before and after the power grid fault are acquired.
The action correctness analysis of the out-of-zone protection equipment is abnormal: specifically, whether three phases are uneven or not is determined by analyzing whether three phases of voltage and current are balanced or not before starting; voltage: before starting, the protection device calculates the magnitude of third harmonic of UA, UB, UC and self-produced 3U0, when the third harmonic of any voltage is continuously larger than 4V for 40ms, the protection device judges that UN is broken, or when there is an internal or external fault, if no zero sequence current, the self-produced zero sequence voltage has mutation, or the difference between external zero sequence current and self-produced zero sequence current exceeds a threshold value, the protection device judges that IN is broken, whether N line breaks or not can be determined based on the analysis, further, the protection device can be started by acquiring starting data set information of protection device, such as starting amount, fixed value during starting, position information of a pressing plate and the like, acquiring corresponding standard data information, matching the fault data information with the standard data, if the fault data cannot be matched, indicating that abnormality of the protection device exists, and generating corresponding abnormal warning information.
According to the technical scheme, whether the target primary equipment of the main network fails or not is determined based on the fault protection action information by acquiring the fault protection action information, if the target primary equipment of the main network fails, the out-of-area protection equipment associated with the target primary equipment of the main network is determined based on the main network topology connection diagram, and then the abnormal warning information is determined based on the fault association information according to the fault association information corresponding to the out-of-area protection equipment. Based on the technical scheme, whether the fault occurs or not is determined based on the fault protection action information, the out-of-zone protection equipment corresponding to the current fault is determined based on the fault determination, and further the corresponding abnormal warning information is determined based on the association information of the out-of-zone protection equipment, so that the accuracy of out-of-zone fault analysis of the main network is improved.
Example III
Fig. 5 is a structural block diagram of an abnormality warning device for an out-of-home-network protection device according to an embodiment of the present invention. As shown in fig. 5, the apparatus includes: a fault confirmation module 510, an out-of-zone determination module 520, and an alert module 530.
The fault confirmation module 510 is configured to obtain fault protection action information, and determine whether the primary device of the target main network fails based on the fault protection action information;
an out-of-zone determination module 520, configured to determine an out-of-zone protection device associated with the target primary device based on a primary device topology connection graph if the target primary device fails;
the warning module 530 is configured to obtain fault associated information corresponding to the out-of-zone protection device, and determine abnormal warning information based on the fault associated information; wherein the fault associated information includes device information, fault data information, and specification data information.
On the basis of the technical scheme, the fault confirmation module is used for determining a target protection device based on the fault protection action information and acquiring voltage class information corresponding to the target protection device; and determining standard action information based on the voltage grade information, and determining whether the primary equipment of the target main network fails or not based on the standard action information and the target protection device.
On the basis of the technical scheme, the out-of-zone equipment determining module is used for determining parallel main network primary equipment associated with the target main network primary equipment based on the main network topology connection diagram if the target main network primary equipment fails; and determining the out-of-zone protection equipment based on the parallel main network primary equipment.
On the basis of the technical scheme, the out-of-zone determination module is used for determining a target substation corresponding to the target main network primary equipment and determining a target fault element corresponding to the target substation; determining a first protection device corresponding to the target fault element, and determining a second protection device associated with the target primary device based on the primary device topology connection graph; the out-of-zone protection device is determined based on the first protection device and the second protection device.
On the basis of the technical scheme, the warning module is used for acquiring fault data information corresponding to the first abnormality type and determining whether equipment abnormality exists or not based on the fault data information and a preset analysis method; if the equipment is abnormal, generating abnormal warning information corresponding to the first abnormal type; the first anomaly type at least comprises one of three-phase unbalance, zero line disconnection and differential flow mismatch.
On the basis of the technical scheme, the warning module is used for acquiring equipment message information associated with the equipment information and determining whether equipment abnormality exists or not based on the equipment message information; if the equipment is abnormal, generating abnormal warning information corresponding to a second abnormal type; the second abnormality type at least comprises one of power reversal, device alarm and abnormality opening.
On the basis of the technical scheme, the warning module is used for acquiring fault data information corresponding to the equipment information and determining whether equipment abnormality exists or not based on the fault data information and the standard data information; if the equipment is abnormal, generating abnormal warning information corresponding to a third abnormal type.
According to the technical scheme, whether the target primary equipment of the main network fails or not is determined based on the fault protection action information by acquiring the fault protection action information, if the target primary equipment of the main network fails, the out-of-area protection equipment associated with the target primary equipment of the main network is determined based on the main network topology connection diagram, and then the abnormal warning information is determined based on the fault association information according to the fault association information corresponding to the out-of-area protection equipment. Based on the technical scheme, whether the fault occurs or not is determined based on the fault protection action information, the out-of-zone protection equipment corresponding to the current fault is determined based on the fault determination, and further the corresponding abnormal warning information is determined based on the association information of the out-of-zone protection equipment, so that the accuracy of out-of-zone fault analysis of the main network is improved.
The abnormality warning device for the protection equipment outside the main network area provided by the embodiment of the invention can execute the abnormality warning method for the protection equipment outside the main network area provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method.
Example 4
Fig. 6 shows a schematic diagram of the structure of an electronic device 10 that may be used to implement an embodiment of the invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. Electronic equipment may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 6, the electronic device 10 includes at least one processor 11, and a memory, such as a Read Only Memory (ROM) 12, a Random Access Memory (RAM) 13, etc., communicatively connected to the at least one processor 11, in which the memory stores a computer program executable by the at least one processor, and the processor 11 may perform various appropriate actions and processes according to the computer program stored in the Read Only Memory (ROM) 12 or the computer program loaded from the storage unit 18 into the Random Access Memory (RAM) 13. In the RAM 13, various programs and data required for the operation of the electronic device 10 may also be stored. The processor 11, the ROM 12 and the RAM 13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to bus 14.
Various components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, etc.; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, an optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, digital Signal Processors (DSPs), and any suitable processor, controller, microcontroller, etc. The processor 11 performs the respective methods and processes described above, such as an abnormality warning method of the protection device outside the main network area.
In some embodiments, the method of anomaly alerting for protection devices outside of the primary network zone may be implemented as a computer program tangibly embodied on a computer-readable storage medium, such as storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. When the computer program is loaded into RAM 13 and executed by processor 11, one or more steps of the above-described abnormality alert method for the main network off-zone protection device may be performed. Alternatively, in other embodiments, processor 11 may be configured to perform the anomaly alerting method for the protection device outside the main network zone in any other suitable manner (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for carrying out methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be implemented. The computer program may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. The computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) through which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical hosts and VPS service are overcome.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present invention may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present invention are achieved, and the present invention is not limited herein.
The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (10)

1. An anomaly warning method for protection equipment outside a main network area is characterized by comprising the following steps:
acquiring fault protection action information, and determining whether primary equipment of a target main network fails or not based on the fault protection action information;
if the target primary equipment of the main network fails, determining out-of-zone protection equipment associated with the target primary equipment of the main network based on a main network topology connection diagram;
acquiring fault associated information corresponding to the out-of-zone protection equipment, and determining abnormal warning information based on the fault associated information; wherein the fault associated information includes device information, fault data information, and specification data information.
2. The method of claim 1, wherein determining whether the target primary network primary device is malfunctioning based on the failsafe action information comprises:
determining a target protection device based on the fault protection action information, and acquiring voltage class information corresponding to the target protection device;
and determining standard action information based on the voltage grade information, and determining whether the primary equipment of the target main network fails or not based on the standard action information and the target protection device.
3. The method of claim 1, wherein the determining an out-of-zone protection device associated with the target primary device based on the primary network topology connectivity map comprises:
if the target primary network equipment fails, determining parallel primary network primary equipment associated with the target primary network primary equipment based on the primary network topology connection graph;
and determining the out-of-zone protection equipment based on the parallel main network primary equipment.
4. The method of claim 1, wherein the determining an out-of-zone protection device associated with the target primary device based on the primary network topology connectivity map comprises:
determining a target substation corresponding to the target main network primary equipment, and determining a target fault element corresponding to the target substation;
determining a first protection device corresponding to the target fault element, and determining a second protection device associated with the target primary device based on the primary device topology connection graph;
the out-of-zone protection device is determined based on the first protection device and the second protection device.
5. The method of claim 1, wherein the determining anomaly alert information based on the fault-associated information comprises:
acquiring fault data information corresponding to a first abnormality type, and determining whether equipment abnormality exists or not based on the fault data information and a preset analysis method;
if the equipment is abnormal, generating abnormal warning information corresponding to the first abnormal type; the first anomaly type at least comprises one of three-phase unbalance, zero line disconnection and differential flow mismatch.
6. The method of claim 1, wherein the determining anomaly alert information based on the fault-associated information comprises:
acquiring equipment message information associated with the equipment information, and determining whether equipment abnormality exists or not based on the equipment message information;
if the equipment is abnormal, generating abnormal warning information corresponding to a second abnormal type; the second abnormality type at least comprises one of power reversal, device alarm and abnormality opening.
7. The method of claim 1, wherein the determining anomaly alert information based on the fault-associated information comprises:
acquiring fault data information corresponding to the equipment information, and determining whether equipment abnormality exists or not based on the fault data information and the specification data information;
if the equipment is abnormal, generating abnormal warning information corresponding to a third abnormal type.
8. An anomaly warning device for protection equipment outside a main network area, which is characterized by comprising:
the fault confirming module is used for acquiring fault protection action information and determining whether the primary equipment of the target main network has faults or not based on the fault protection action information;
the out-of-zone determining module is used for determining out-of-zone protection equipment associated with the target primary equipment of the main network based on a main network topology connection diagram if the target primary equipment of the main network fails;
the warning module is used for acquiring fault associated information corresponding to the out-of-zone protection equipment and determining abnormal warning information based on the fault associated information; wherein the fault associated information includes device information, fault data information, and specification data information.
9. An electronic device, the electronic device comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the anomaly alerting method of the main network out-of-zone protection device of any one of claims 1-7.
10. A computer readable storage medium storing computer instructions for causing a processor to implement the method of anomaly alerting of a protection device outside a main network area of any one of claims 1-7 when executed.
CN202310607530.1A 2023-05-26 2023-05-26 Abnormality warning method, device, equipment and medium for protection equipment outside main network area Pending CN116660654A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310607530.1A CN116660654A (en) 2023-05-26 2023-05-26 Abnormality warning method, device, equipment and medium for protection equipment outside main network area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310607530.1A CN116660654A (en) 2023-05-26 2023-05-26 Abnormality warning method, device, equipment and medium for protection equipment outside main network area

Publications (1)

Publication Number Publication Date
CN116660654A true CN116660654A (en) 2023-08-29

Family

ID=87713053

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310607530.1A Pending CN116660654A (en) 2023-05-26 2023-05-26 Abnormality warning method, device, equipment and medium for protection equipment outside main network area

Country Status (1)

Country Link
CN (1) CN116660654A (en)

Similar Documents

Publication Publication Date Title
CN113533910A (en) Method and system suitable for converter transformer partial discharge early warning
CN109884436A (en) Power capacitor complexes on-line monitoring method
CN116660654A (en) Abnormality warning method, device, equipment and medium for protection equipment outside main network area
CN113783174B (en) Lightning protection and abnormal power transmission line protection method and system
CN111929630B (en) Method and device for detecting saturation of current transformer
CN116226644A (en) Method and device for determining equipment fault type, electronic equipment and storage medium
CN115392383A (en) Early warning method and device for electricity utilization abnormity, electronic equipment and storage medium
CN114825291A (en) Voltage transformer secondary disconnection and locking identification method and device and electronic equipment
Yan et al. A hidden fault diagnosis method of relay protection considering the lack of sample synchronization
CN118393251A (en) Power utilization detection method, device, equipment and storage medium
CN118671648A (en) Method and device for detecting electric leakage of transformer area, electronic equipment and storage medium
CN118884131A (en) Power grid fault positioning method and device, electronic equipment and storage medium
CN117851853A (en) Method, device, equipment and storage medium for positioning electricity stealing user
CN115390004A (en) Method, apparatus, device and medium for determining state of metering device
CN116125207A (en) Power failure detection method and device for low-voltage distribution transformer area, electronic equipment and medium
CN118409266A (en) Current transformer broken line identification method and device, electronic equipment and storage medium
Iqbal et al. Phasor Area Criterion–Wide Area Assessment of Transient Stability
CN118330391A (en) Phase line fault determining method, device, equipment and storage medium
CN116281054A (en) Power grid fault type determining method, device and equipment
CN118795248A (en) Test case generation method, device, equipment, storage medium and program product
CN116633015A (en) Reminding method, reminding device, reminding equipment and storage medium
CN118333610A (en) Information processing method, device, electronic equipment and storage medium
CN118131734A (en) Risk verification method, device and equipment for control loop and storage medium
CN116840625A (en) Fault positioning method, device and equipment for power distribution network and storage medium
CN117031200A (en) Power distribution abnormality identification method based on power grid operation big data

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination