CN112732716B - Intelligent analysis method for fault SOE sequence formed by continuous actions of multiple power grid equipment - Google Patents

Intelligent analysis method for fault SOE sequence formed by continuous actions of multiple power grid equipment Download PDF

Info

Publication number
CN112732716B
CN112732716B CN202011639512.4A CN202011639512A CN112732716B CN 112732716 B CN112732716 B CN 112732716B CN 202011639512 A CN202011639512 A CN 202011639512A CN 112732716 B CN112732716 B CN 112732716B
Authority
CN
China
Prior art keywords
soe
message
equipment
switch
messages
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.)
Active
Application number
CN202011639512.4A
Other languages
Chinese (zh)
Other versions
CN112732716A (en
Inventor
李伟
周俊宇
吴海江
唐鹤
陈凯阳
骆国铭
陈晓彤
黄炳翔
梁锦来
钟童科
花洁
何引生
区允杰
陈刚
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.)
Foshan Power Supply Bureau of Guangdong Power Grid Corp
Original Assignee
Foshan Power Supply Bureau of Guangdong Power Grid Corp
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 Foshan Power Supply Bureau of Guangdong Power Grid Corp filed Critical Foshan Power Supply Bureau of Guangdong Power Grid Corp
Priority to CN202011639512.4A priority Critical patent/CN112732716B/en
Publication of CN112732716A publication Critical patent/CN112732716A/en
Application granted granted Critical
Publication of CN112732716B publication Critical patent/CN112732716B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/245—Query processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/22—Indexing; Data structures therefor; Storage structures
    • G06F16/2282—Tablespace storage structures; Management thereof
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Computational Linguistics (AREA)
  • Software Systems (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

Aiming at the technical problems of high complexity and difficult realization in the prior art, the invention provides an intelligent analysis method for a fault SOE sequence formed by continuous actions of a plurality of power grid equipment, which comprises the following steps: s1, continuously extracting SOE messages from an SOE message table, and grouping according to time marks of each SOE message to form an SOE sequence; s2, matching SOE messages in each group of SOE sequences one by one, and screening SOE messages containing any keyword information in a preset criterion keyword table in the message content; s3, storing the screened SOE messages in groups according to the SOE message keywords in the message content, the equipment description information corresponding to the equipment ID to which the SOE messages belong and whether the equipment switch is in an overhaul state, so as to obtain a data table A, B, C, D, E; and S4, respectively carrying out matching judgment on SOE messages of the data table A, B, C, D, E according to a preset database, and summarizing the matching judgment result as an analysis result of the SOE sequence.

Description

Intelligent analysis method for fault SOE sequence formed by continuous actions of multiple power grid equipment
Technical Field
The invention relates to the technical field of intelligent diagnosis of power grid accidents, in particular to intelligent analysis of power grid accidents under the condition of complex faults, and more particularly relates to an intelligent analysis method of fault SOE sequences formed by continuous actions of a plurality of power grid devices.
Background
SOE, collectively Sequence Of Event, refers to an event sequence record, which is the type of time and event that records the occurrence of a fault. At present, intelligent analysis of power grid faults is mainly performed through key word matching of SOE messages, firstly, SOE message sequences are grouped according to equipment IDs, then each group of messages belonging to the same equipment ID is matched with a preset matching object, and further a fault judging result is obtained; however, for example, chinese patent application publication No. CN107294089B with publication time 2020-06-09: an intelligent association analysis and evaluation method for a power grid event shows that in the prior art, intelligent analysis is difficult to carry out on the power grid event under the complex fault condition, and particularly when a fault SOE sequence formed by continuous actions of a plurality of power grid devices is involved, the complexity of the existing method can be multiplied in geometric progression, and the efficiency is very low when the method is converted into a specific computer program to be realized, so that the method is not feasible in the technical aspect.
Disclosure of Invention
Aiming at the limitation of the prior art, the invention provides an intelligent analysis method for a fault SOE sequence formed by a plurality of continuous actions of power grid equipment, which adopts the following technical scheme:
an intelligent analysis method for a fault SOE sequence formed by continuous actions of a plurality of power grid equipment comprises the following steps:
Continuously extracting SOE messages from the SOE message table, and grouping according to time marks of each SOE message to form an SOE sequence;
matching SOE messages in each group of SOE sequences one by one, and screening SOE messages containing any keyword information in a preset criterion keyword table in the message content;
according to the SOE message key words in the message content, the equipment description information corresponding to the equipment ID to which the SOE message belongs and whether the equipment switch is in an overhaul state, storing the screened SOE message in groups to obtain a data table A for storing protection and deflection information of a 500kV line and a contact switch, a data table B for storing protection and deflection information of a 220kV line switch of a 220kV transformer substation, a data table C for storing 220kV bus-tie action and deflection information of the 220kV line switch of the 220kV transformer substation, a data table D for storing 220kV spare power switching action and 110kV outlet wire switch deflection information of the 220kV transformer substation and a data table E for storing 110kV spare power switching action and 110kV line switch deflection information of the 110kV transformer substation;
and carrying out matching judgment on SOE messages of the data table A, the data table B, the data table C, the data table D and the data table E according to a preset database, and summarizing the matching judgment result as an analysis result of the SOE sequence.
Compared with the prior art, the intelligent analysis method for the complex fault SOE sequence formed by the continuous actions of the power grid equipment under the complex fault condition is not limited by specific power grid equipment, has strong universality, can efficiently process SOE message data, obtains an analysis and processing result with wide and accurate coverage, improves processing efficiency and is easier to realize.
As a preferable scheme, the intelligent analysis method for the fault SOE sequence formed by the continuous actions of the plurality of power grid equipment further comprises the following steps:
judging whether the current SOE message belongs to a 500kV message or not by inquiring whether the content of the SOE message comprises 500 kV;
if the current SOE message belongs to the 500kV message, inquiring the equipment ID to which the SOE message belongs from a preset measuring point table, inquiring whether the equipment number in the equipment description corresponding to the equipment ID is a five-digit number with the tail number of '6' from a preset primary equipment account information table, and judging whether the equipment to which the current SOE message belongs is a line 6 cutter;
if the current 500kV message is attributed to the line 6 knife, inquiring an interval serial number corresponding to a 500kV line switch which belongs to the same transformer substation as the current 500kV message and is formed by four digits from the primary equipment account information table;
If the current 500kV message attribution equipment is not a line 6 knife, inquiring the current 500kV message attribution equipment ID from a preset measuring point table, inquiring whether the equipment number in the equipment description corresponding to the equipment ID is a four-digit number with the tail number of 2 from the primary equipment account information table, and judging whether the current 500kV message attribution equipment is a contact switch;
if the current 500kV message attribution equipment is a contact switch, inquiring an interval serial number corresponding to a 500kV line switch which belongs to the same transformer substation as the current 500kV message attribution equipment and is formed by three digits from the primary equipment account information table;
judging whether the 500kV line switch is in an overhaul state or not by inquiring whether the 500kV line switch in the step S305 has an overhaul card from a preset listing equipment table;
if the current 500kV message attribution equipment is not a contact switch, inquiring the current 500kV message attribution equipment ID from the measuring point table, and inquiring an interval serial number corresponding to the equipment ID from the primary equipment account information table; judging whether the current equipment to which the 500kV message belongs is a line switch or not by inquiring whether the equipment description corresponding to the equipment ID comprises the line switch or not;
If the current 500kV message attributive equipment is a line switch, judging whether the line switch is in an overhaul state or not by inquiring whether the line switch has an overhaul card from the listing equipment table;
and the attributive equipment is a 500kV message of a line 6 knife, the attributive equipment is a 500kV message of which the interconnection switch and the 500kV line switch consisting of three digits of the same transformer substation number are in an overhaul state, the attributive equipment is a 500kV message of which the line switch is not in the overhaul state, the attributive equipment is grouped according to the interval serial numbers, and the 500kV messages are stored in the data table A.
Further, the intelligent analysis method for the fault SOE sequence formed by the continuous actions of the plurality of power grid equipment further comprises the following steps:
if the current SOE message belongs to the 220kV message, inquiring the equipment ID to which the current 220kV message belongs from a preset measuring point table, and inquiring the interval serial number corresponding to the equipment ID from a preset primary equipment account information table; judging whether the current 220kV message attributive equipment is a line switch or not by inquiring whether the equipment description corresponding to the equipment ID comprises the line switch or not;
if the current 220kV message attribution equipment is a line switch, whether the line switch is in an overhaul state or not is judged by inquiring whether the line switch has an overhaul plate or not from a preset listing equipment table;
The attributive equipment is a 220kV message which is of a line switch and is not in an overhaul state, grouping is carried out according to the interval sequence numbers, and the 220kV message is stored in the data table B;
220kV messages which belong to equipment are line switches and are not in an overhaul state are judged whether the message content is switch deflection information by inquiring whether the message content is open or closed;
if the current 220kV message attribution equipment is not a line switch, judging whether the current 220kV message belongs to a bus differential event by inquiring whether the message content comprises bus differential protection or bus differential protection;
the attributive equipment is a 220kV message which is a line switch and is not in an overhaul state, the message content is switch deflection information, the 220kV message which belongs to a bus-bar event is grouped according to the transformer station name in the SOE message, and the data table C is stored;
if the current 220kV message does not belong to the bus error item, judging whether the current 220kV message belongs to the bus error item by inquiring whether the message content comprises the backup automatic switching action;
the attributive equipment is a 220kV message which is a line switch and is not in an overhaul state, the message content is switch deflection information, the 220kV message belongs to the spare power automatic switching item, the grouping is carried out according to the transformer station names in the SOE message, and the data sheet D is stored.
Further, in the step of graphically drawing the fault image of the power distribution equipment by using the generated countermeasure network to obtain a fault simulation image, expanding the training set according to the fault simulation image, the method further comprises the following steps:
screening the defect simulation images, marking the distribution equipment information and the distribution equipment defect types in the defect simulation images, and adding the screened and marked defect simulation images into the training set.
Further, the intelligent analysis method for the fault SOE sequence formed by the continuous actions of the plurality of power grid equipment further comprises the following steps:
judging whether the current SOE message belongs to a 110kV message by inquiring whether the content of the SOE message comprises 110kV or not, wherein the current SOE message does not belong to the 220kV message;
if the current SOE message belongs to the 110kV message, inquiring the equipment ID to which the current 110kV message belongs from the measuring point table, and inquiring the interval serial number corresponding to the equipment ID from the primary equipment account information table; judging whether the current 110kV message attributive equipment is a line switch or not by inquiring whether the equipment description corresponding to the equipment ID comprises the line switch or not;
if the current 110kV message attribution equipment is a line switch, judging whether the message content is switch deflection information by inquiring whether the message content is open or closed;
If the current 110kV message belongs to a line switch and the message content is switch deflection information, judging whether the line switch is in an overhaul state or not by inquiring whether the line switch has an overhaul card from the listing equipment table;
220kV messages which are not in a maintenance state and have the message content of switch deflection information are classified according to the transformer station names in the SOE messages, and the data table D is stored;
if the current 110kV message attribution equipment is not a line switch, judging whether the message content belongs to the spare power automatic switching item by inquiring whether the message content comprises the spare power automatic switching action;
110kV messages which belong to the spare power automatic switching item are grouped according to the transformer station names in the SOE messages, and are stored in the data table E, wherein the 110kV messages are the line switches, the message content is the switch deflection information, and the line switches are not in the maintenance state
Further, the intelligent analysis method for the fault SOE sequence formed by the continuous actions of the plurality of power grid equipment further comprises the following steps:
And inquiring each group of SOE messages in the data table A, if the message content of the group of SOE messages comprises any rule in a preset 500kV line tripping rule base, judging that the SOE sequence at least represents the occurrence of a 500kV line tripping event corresponding to the rule once, wherein the specific tripping device is a 500kV line corresponding to the interval sequence number of the group of SOE messages in a preset primary device table.
Further, the intelligent analysis method for the fault SOE sequence formed by the continuous actions of the plurality of power grid equipment further comprises the following steps:
inquiring each group of SOE messages in the data table C, and judging that the SOE sequence at least represents a 220kV busbar differential operation event of a transformer substation to which the group of messages belong if the message content of one SOE message comprises busbar differential protection or busbar differential protection and the message content of the other SOE message comprises opening or closing; the specific fault bus number is a number "XM" consisting of a single digit X plus an "M" in an SOE message containing "bus differential protection" or "bus differential protection";
if the SOE sequence at least represents that a 220kV bus differential event occurs in a transformer substation to which the group of messages belong, inquiring each group of SOE messages in the data table B, if the message content of any SOE message comprises 'protection', the message content of three SOE messages respectively comprises 'A phase switch off', 'B phase switch off', 'C phase switch off', and the message content of no SOE message comprises 'reclosing', judging that the SOE sequence at least represents that a 220kV line phase-to-phase fault occurs, and particularly tripping transformer substation and equipment are transformer substations and 220kV lines corresponding to the interval sequence number to which the group of SOE messages belong in the primary equipment table;
If the tripping transformer substation obtained by the previous analysis is the same transformer substation, judging that the SOE sequence at least represents the occurrence of a fault in a protection overlapping area, and locating a fault point as a part between an XM bus CT of the transformer substation and the fault line switch CT; if the trip transformer stations obtained through the analysis are two different transformer stations, and a preset line detailed table is queried to obtain a starting station and a terminal station of a certain line, merging interphase faults and bus differential faults, and judging that the SOE sequence at least represents that a 'bus differential starting far jump' fault occurs once.
Further, the intelligent analysis method for the fault SOE sequence formed by the continuous actions of the plurality of power grid equipment further comprises the following steps:
inquiring each group of SOE messages in the data table D, if the message content of any SOE message comprises 220kV standby automatic switching, the message content of at least one SOE message comprises 220kV and switch off, the message content of at least one SOE message comprises 110kV and switch off, and the key word of the line name included in the SOE message can be inquired from a preset self-configuration table in the switching load sequence of the station, then judging that the SOE sequence at least represents that the station to which the group belongs has a 220kV standby automatic switching load event;
Inquiring each group of SOE messages in the data table E, if the message content of any SOE message comprises 110kV standby power automatic switching, the message content of at least one SOE message comprises switch off, the message content of the SOE messages with the same key words of the other two line switches respectively comprises switch on and switch off, the time of the SOE message with the message content of the switch on is earlier than the time of the SOE message with the message content of the switch off, and then the SOE sequence is judged to at least represent that the station to which the group belongs has 110kV standby power automatic switching failure event;
if the SOE sequence at least represents that the station to which the group belongs has a 110kV automatic backup switching failure event, obtaining a line name keyword from the SOE messages with the same two line switch name keywords, inquiring and matching from the equipment description of the primary equipment account table to obtain the ID of the primary equipment, obtaining a 110kV bus and accessory equipment connected with the equipment from the primary equipment association table according to the equipment ID, and taking the 110kV bus and the accessory equipment as a failure point of the automatic backup switching failure event.
The invention also includes the following:
An intelligent analysis system for a fault SOE sequence comprises a SOE sequence generation module, a SOE message screening module, a data table grouping storage module and an analysis and judgment summarization module; the SOE message screening module is connected with the SOE sequence generating module, the data table grouping and storing module is connected with the SOE message screening module, and the analysis judging and summarizing module is connected with the data table grouping and storing module;
the SOE sequence generation module is used for continuously extracting SOE messages from the SOE message table and grouping according to the time marks of each SOE message to form an SOE sequence;
the SOE message screening module is used for matching SOE messages in each group of SOE sequences one by one and screening SOE messages containing any keyword information in a preset criterion keyword list in the message content;
the data table grouping storage module is used for grouping and storing the screened SOE messages according to the SOE message keywords in the message content, the equipment description information corresponding to the equipment ID to which the SOE messages belong and whether the equipment switch is in an overhaul state, so as to obtain a data table A for storing protection and deflection information of a 500kV line and a contact switch, a data table B for storing protection and deflection information of a 220kV line switch of a 220kV transformer substation, a data table C for storing 220kV bus-tie action and 220kV line switch deflection information of the 220kV transformer substation, a data table D for storing 220kV backup automatic switching action and 110kV line switch deflection information of the 220kV transformer substation and a data table E for storing 110kV backup automatic switching action and 110kV line switch deflection information of the 110kV transformer substation;
And the analysis judgment summarizing module is used for carrying out matching judgment on SOE messages of the data table A, the data table B, the data table C, the data table D and the data table E according to a preset database, and summarizing the result of the matching judgment as an analysis result of the SOE sequence.
A storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method for intelligent analysis of a sequence of faulty SOEs constituted by a plurality of grid equipment longitudinal actions described above.
A computer device comprising a storage medium, a processor and a computer program stored in the storage medium and executable by the processor, the computer program when executed by the processor implementing the steps of the intelligent analysis method for a fault SOE sequence formed by the continuous actions of the plurality of power grid devices.
Drawings
Fig. 1 is a step flowchart of an intelligent analysis method for a fault SOE sequence formed by a plurality of continuous actions of power grid equipment provided in embodiment 1 of the present invention;
fig. 2 is a step flow chart of step S3 provided in embodiment 1 of the present invention;
fig. 3 is a step flow chart of step S4 provided in embodiment 1 of the present invention;
fig. 4 is a schematic diagram of an intelligent analysis system for a fault SOE sequence formed by a plurality of continuous actions of power grid equipment provided in embodiment 2 of the present invention;
Reference numerals illustrate: 1. SOE sequence generation module; 2. SOE message screening module; 3. a data table grouping storage module; and 4, analyzing, judging and summarizing the module.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent;
it should be understood that the described embodiments are merely some, but not all embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the application, are intended to be within the scope of the embodiments of the present application.
The terminology used in the embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of embodiments of the application. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.
When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application as detailed in the accompanying claims. In the description of the present application, it should be understood that the terms "first," "second," "third," and the like are used merely to distinguish between similar objects and are not necessarily used to describe a particular order or sequence, nor should they be construed to indicate or imply relative importance. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
Furthermore, in the description of the present application, unless otherwise indicated, "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship. The application is further illustrated in the following figures and examples.
In order to solve the limitations of the prior art, the present embodiment provides a technical solution, and the technical solution of the present application is further described below with reference to the drawings and the embodiments.
Example 1
Referring to fig. 1, an intelligent analysis method for a fault SOE sequence formed by a plurality of continuous actions of power grid equipment includes the following steps:
s1, continuously extracting SOE messages from an SOE message table, and grouping according to time marks of each SOE message to form an SOE sequence;
s2, matching SOE messages in each group of SOE sequences one by one, and screening SOE messages containing any keyword information in a preset criterion keyword table in the message content;
s3, storing the screened SOE messages in groups according to the SOE message keywords in the message content, the equipment description information corresponding to the equipment ID to which the SOE messages belong and whether the equipment switch is in an overhaul state, so as to obtain a data table A for storing protection and deflection information of a 500kV line and a contact switch, a data table B for storing protection and deflection information of a 220kV line switch of a 220kV transformer substation, a data table C for storing 220kV bus-tie action and deflection information of the 220kV line switch of the 220kV transformer substation, a data table D for storing 220kV spare power switching action and 110kV outlet switch deflection information of the 220kV transformer substation, and a data table E for storing 110kV spare power switching action and 110kV line switch deflection information of the 110kV transformer substation;
And S4, carrying out matching judgment on SOE messages of the data table A, the data table B, the data table C, the data table D and the data table E according to a preset database, and summarizing the matching judgment result as an analysis result of the SOE sequence.
Compared with the prior art, the intelligent analysis method for the complex fault SOE sequence formed by the continuous actions of the power grid equipment under the complex fault condition is not limited by specific power grid equipment, has strong universality, can efficiently process SOE message data, obtains an analysis and processing result with wide and accurate coverage, improves processing efficiency and is easier to realize.
Specifically, in step S1, the packets are grouped according to time marks T1, T2, T3..tn of the SOE message table stored in the message table, where the time mark span of the first and last SOE messages in each group is 20 seconds, and the interval between the first SOE messages Wen Shibiao in adjacent groups is 15 seconds.
The database used in the embodiment comprises a primary equipment ledger information table, an SOE message table, a registration equipment table, a measuring point table, a primary equipment connection relation table and a line detailed table from an SCADA web system; a 500kV line tripping rule base and a criterion keyword from an intelligent diagnosis expert system; from the local system, an secure self-configuration table maintained by the operator through the system, as follows:
Wherein, the storage structure of the primary equipment account information table at least comprises the following attributes:
device ID Device encoding Description of the device Voltage class Attribution transformer substation Home interval
The "SOE message table" storage structure contains at least the following attributes:
message sequence number Newspaper Wen Shibiao Message corresponding to the measurement roll call Attribution transformer substation Message content
The "hanging device table" storage structure contains at least the following attributes:
device ID Type of card hanging Start time of card hanging
The "survey point table" storage structure contains at least the following attributes:
station ID Roll call measurement Description of measuring points Station home device ID Station belonging to measuring point
The primary device connection relationship table storage structure contains at least the following attributes:
device ID Terminal point Terminal connection node
The "line detail table" storage structure contains at least the following attributes:
line equipment ID Start station ID Terminal station ID
The detailed keywords in the "criteria keywords" table are as follows:
the detailed rules in the "500kV line trip rule base" table are as follows:
the storage structure in the "security configuration" table contains at least the following attributes:
substation ID Line switch ID Combined cutting execution sequence number
Referring to fig. 2, as a preferred embodiment, the step S3 further includes the following steps:
S301, judging whether the current SOE message belongs to a 500kV message by inquiring whether the content of the SOE message comprises 500 kV;
s302, if the current SOE message belongs to a 500kV message, inquiring the equipment ID to which the SOE message belongs from a preset measuring point table, inquiring whether the equipment number in the equipment description corresponding to the equipment ID is a five-digit number with the tail number of '6' from a preset primary equipment account information table, and judging whether the equipment to which the current SOE message belongs is a line 6 cutter;
s303, if the current 500kV message attribution equipment is a line 6 knife, inquiring an interval serial number corresponding to a 500kV line switch which belongs to the same transformer substation as the current 500kV message attribution equipment and is formed by four digits from the primary equipment account information table;
s304, if the current 500kV message attribution equipment is not a line 6 knife, inquiring the current 500kV message attribution equipment ID from a preset measuring point table, and inquiring whether the equipment number in the equipment description corresponding to the equipment ID is a four-bit number with the tail number of 2 from the primary equipment account information table, so as to judge whether the current 500kV message attribution equipment is a contact switch;
s305, if the current 500kV message attribution equipment is a tie switch, inquiring an interval serial number corresponding to a 500kV line switch which belongs to the same transformer substation as the current 500kV message attribution and is formed by three digits from the primary equipment account information table;
S306, judging whether the 500kV line switch is in an overhaul state or not by inquiring whether the 500kV line switch in the step S305 has an overhaul plate from a preset listing equipment table;
s307, if the current 500kV message attribution equipment is not a contact switch, inquiring the current 500kV message attribution equipment ID from the measuring point table, and inquiring the interval serial number corresponding to the equipment ID from the primary equipment account information table; judging whether the current equipment to which the 500kV message belongs is a line switch or not by inquiring whether the equipment description corresponding to the equipment ID comprises the line switch or not;
s308, if the current 500kV message attributive equipment is a line switch, judging whether the line switch is in an overhaul state by inquiring whether the line switch has an overhaul card from the listing equipment table;
s309, for the 500kV message of the line 6 knife of the home equipment, the 500kV message of the 500kV line switch which is composed of the contact switch and the same substation number of three digits and is in the maintenance state is the home equipment, the 500kV message of the line switch which is not in the maintenance state is the home equipment, the 500kV messages are grouped according to the interval serial numbers and are stored in the data table A.
Further, the step S3 further includes the following steps:
s310, if the current SOE message does not belong to the 500kV message, judging whether the current SOE message belongs to the 220kV message by inquiring whether the content of the SOE message comprises 220 kV;
s311, if the current SOE message belongs to the 220kV message, inquiring the equipment ID to which the current 220kV message belongs from a preset measuring point table, and inquiring the interval serial number corresponding to the equipment ID from a preset primary equipment account information table; judging whether the current 220kV message attributive equipment is a line switch or not by inquiring whether the equipment description corresponding to the equipment ID comprises the line switch or not;
s312, if the current 220kV message attribution equipment is a line switch, whether the line switch is in an overhaul state is judged by inquiring whether the line switch has an overhaul plate or not from a preset listing equipment table;
s313, grouping 220kV messages which belong to equipment which is a line switch and is not in an overhaul state according to the interval serial numbers, and storing the data table B;
s314, judging whether the message content is switch deflection information by inquiring whether the message content is open or closed or not according to the 220kV message which belongs to the equipment which is a line switch and is not in an overhaul state;
S315, if the current 220kV message attribution equipment is not a line switch, judging whether the current 220kV message belongs to a bus differential event by inquiring whether the message content comprises bus differential protection or bus differential protection;
s316, grouping 220kV messages which belong to the bus-bar event according to the transformer station names in the SOE messages, wherein the attributed equipment is a line switch, is not in an overhaul state, and has the message content of switch deflection information, and storing the 220kV messages in the data table C;
s317, if the current 220kV message does not belong to the bus error item, judging whether the current 220kV message belongs to the backup automatic switching item by inquiring whether the message content comprises the backup automatic switching action;
s318, grouping 220kV messages which belong to the spare power automatic switching item according to the transformer station names in the SOE messages, wherein the attributed equipment is a line switch, is not in an overhaul state, and has the message content of switch deflection information, and storing the 220kV messages in the data table D.
As a preferred embodiment, in step S3, the following steps are further included:
s319, judging whether the current SOE message belongs to a 110kV message by inquiring whether the content of the SOE message comprises 110kV or not, wherein the current SOE message does not belong to the 220kV message;
S320, if the current SOE message belongs to the 110kV message, inquiring the equipment ID to which the current 110kV message belongs from the measuring point table, and inquiring the interval serial number corresponding to the equipment ID from the primary equipment ledger information table; judging whether the current 110kV message attributive equipment is a line switch or not by inquiring whether the equipment description corresponding to the equipment ID comprises the line switch or not;
s321, if the current 110kV message attribution equipment is a line switch, judging whether the message content is switch deflection information by inquiring whether the message content is open or closed;
s322, if the current 110kV message and the attributive equipment is a line switch and the message content is switch deflection information, judging whether the line switch is in an overhaul state by inquiring whether the line switch has an overhaul card from the listing equipment table;
s318, grouping the attributive equipment which is a line switch and is not in an overhaul state and the message content of which is a 220kV message of switch deflection information, which belongs to 220kV messages of spare power automatic switching items, wherein the attributive equipment which is a 110kV message of which the line switch is in the overhaul state and the message content of which is the switch deflection information, according to the transformer station names in the SOE message and storing the transformer station names in the data table D;
S323, if the current 110kV message attribution equipment is not a line switch, judging whether the message content belongs to the spare power automatic switching item by inquiring whether the message content comprises the spare power automatic switching action;
s324, grouping 110kV messages which belong to spare power automatic switching items according to transformer station names in SOE messages, wherein the home equipment is a line switch, the message content is switch deflection information, and the line switch is not in an overhaul state, and storing the 110kV messages in the data table E.
Referring to fig. 3, as a preferred embodiment, step S4 includes the following steps:
s401, inquiring each group of SOE messages in the data table A, if the message content of the group of SOE messages comprises any rule in a preset 500kV line tripping rule base, judging that the SOE sequence at least represents the occurrence of a 500kV line tripping event corresponding to the rule once, wherein specific tripping equipment is a 500kV line corresponding to the interval sequence number of the group of SOE messages in a preset primary equipment table.
As a preferred embodiment, the step S4 includes the following steps:
s402, inquiring each group of SOE messages in the data table C, and if the message content of one SOE message comprises 'bus differential protection' or 'bus differential protection' and the message content of the other SOE message comprises 'opening' or 'closing', judging that the SOE sequence at least represents that a 220kV bus differential operation event occurs in a transformer station to which the group of messages belong; the specific fault bus number is a number "XM" consisting of a single digit X plus an "M" in an SOE message containing "bus differential protection" or "bus differential protection";
S403, if the SOE sequence at least represents that a 220kV bus differential event occurs in a transformer substation to which the group of messages belong, inquiring each group of SOE messages in the data table B, if any one SOE message exists, the message content of the three SOE messages respectively comprises 'A phase switch off', 'B phase switch off', 'C phase switch off', and the message content of no SOE message comprises 'reclosing', judging that the SOE sequence at least represents that a 220kV line phase-to-phase fault occurs, and a specific tripping transformer substation and equipment are transformer substations and 220kV lines corresponding to the interval sequence number of the group of SOE messages in the primary equipment table;
s404, if the tripping transformer substation obtained by the analysis in the step S402 and the step S404 is the same transformer substation, judging that the SOE sequence at least represents the occurrence of a fault in a protection overlapping area, and locating a fault point as a part between an XM bus CT of the transformer substation and a fault line switch CT in the step S8; if the trip substations obtained by the analysis in step 402 and step 404 are two different substations, and the starting station and the terminal station of a certain line are respectively allocated to the two stations by inquiring a preset line detailed table, the inter-phase faults and the bus differential faults are combined, and the SOE sequence is determined to be at least characterized in that a bus differential start long jump fault occurs once
As a preferred embodiment, the step S4 includes the following steps:
s405, inquiring each group of SOE messages in the data table D, if the message content of any SOE message comprises 220kV standby automatic switching, the message content of at least one SOE message comprises 220kV and switch off, the message content of at least one SOE message comprises 110kV and switch off, and the key word of the line name included in the SOE message can be inquired in the load switching sequence of the station from a preset safety configuration table, then judging that the SOE sequence at least represents that the station to which the group belongs has 220kV standby automatic combined load switching event;
s406, inquiring each group of SOE messages in the data table E, if the message content of any SOE message comprises 110kV standby power automatic switching, the message content of at least one SOE message comprises switch opening, the message content of the SOE messages with the same key words of the other two line switches respectively comprises switch closing and switch opening, and the time of the SOE message with the message content of the switch closing is earlier than the time of the SOE message with the message content of the switch opening, then judging that the SOE sequence at least represents that a station to which the group belongs has a 110kV standby power automatic switching failure event;
S407, if the SOE sequence at least represents that the station to which the group belongs has a 110kV automatic backup switching failure event, obtaining a line name keyword from the SOE message with the same name keywords of the two line switches in the step 406, inquiring and matching from the equipment description of the primary equipment account table to obtain the ID of the primary equipment, obtaining a 110kV bus and auxiliary equipment connected with the equipment from the primary equipment association table according to the equipment ID, and taking the 110kV bus and the auxiliary equipment as the failure point of the automatic backup switching failure event.
Example 2
Referring to fig. 4, the intelligent analysis system for the SOE sequence of faults formed by the continuous actions of a plurality of power grid devices comprises a SOE sequence generation module 1, a SOE message screening module 2, a data table grouping and storing module 3 and an analysis and judgment summarizing module 4; the SOE message screening module 2 is connected with the SOE sequence generating module 1, the data table group storage module 3 is connected with the SOE message screening module 2, and the analysis judgment summarizing module 4 is connected with the data table group storage module 3;
the SOE sequence generation module 1 is used for continuously extracting SOE messages from the SOE message table and grouping according to the time marks of each SOE message to form an SOE sequence;
The SOE message screening module 2 is used for matching SOE messages in each group of SOE sequences one by one, and screening SOE messages containing any keyword information in a preset criterion keyword table in the message content;
the data table grouping storage module 3 is used for grouping and storing the screened SOE messages according to the SOE message keywords in the message content, the equipment description information corresponding to the equipment ID to which the SOE messages belong and whether the equipment switch is in an overhaul state, so as to obtain a data table A for storing protection and deflection information of a 500kV line and a contact switch, a data table B for storing protection and deflection information of a 220kV line switch of a 220kV transformer substation, a data table C for storing 220kV bus-tie action and 220kV line switch deflection information of the 220kV transformer substation, a data table D for storing 220kV backup automatic switching action and 110kV line switch deflection information of the 110kV transformer substation, and a data table E for storing 110kV backup automatic switching action and 110kV line switch deflection information of the 110kV transformer substation;
and the analysis judgment summarizing module 4 is used for carrying out matching judgment on SOE messages of the data table A, the data table B, the data table C, the data table D and the data table E according to a preset database, and summarizing the result of the matching judgment as an analysis result of the SOE sequence.
Example 3
A storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method for intelligent analysis of a sequence of SOEs of faults constituted by a plurality of grid equipment longitudinal actions of embodiment 1.
Example 4
A computer device comprising a storage medium, a processor and a computer program stored in the storage medium and executable by the processor, which when executed by the processor implements the steps of the method for intelligent analysis of a sequence of SOEs of faults constituted by a plurality of grid device sequential actions in embodiment 1.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are to be included in the scope of the present claims.

Claims (9)

1. An intelligent analysis method for a fault SOE sequence formed by continuous actions of a plurality of power grid equipment is characterized by comprising the following steps:
S1, continuously extracting SOE messages from an SOE message table, and grouping according to time marks of each SOE message to form an SOE sequence;
s2, matching SOE messages in each group of SOE sequences one by one, and screening SOE messages containing any keyword information in a preset criterion keyword table in the message content;
s3, storing the screened SOE messages in groups according to the SOE message keywords in the message content, the equipment description information corresponding to the equipment ID to which the SOE messages belong and whether the equipment switch is in an overhaul state, so as to obtain a data table A for storing protection and deflection information of a 500kV line and a contact switch, a data table B for storing protection and deflection information of a 220kV line switch of a 220kV transformer substation, a data table C for storing 220kV bus-tie action and deflection information of the 220kV line switch of the 220kV transformer substation, a data table D for storing 220kV spare power switching action and 110kV outlet switch deflection information of the 220kV transformer substation, and a data table E for storing 110kV spare power switching action and 110kV line switch deflection information of the 110kV transformer substation;
the step S3 further includes the steps of:
s301, judging whether the current SOE message belongs to a 500kV message by inquiring whether the content of the SOE message comprises 500 kV;
S302, if the current SOE message belongs to a 500kV message, inquiring the equipment ID to which the SOE message belongs from a preset measuring point table, inquiring whether the equipment number in the equipment description corresponding to the equipment ID is a five-digit number with the tail number of '6' from a preset primary equipment account information table, and judging whether the equipment to which the current SOE message belongs is a line 6 cutter;
s303, if the current 500kV message attribution equipment is a line 6 knife, inquiring an interval serial number corresponding to a 500kV line switch which belongs to the same transformer substation as the current 500kV message attribution equipment and is formed by four digits from the primary equipment account information table;
s304, if the current 500kV message attribution equipment is not a line 6 knife, inquiring the current 500kV message attribution equipment ID from a preset measuring point table, and inquiring whether the equipment number in the equipment description corresponding to the equipment ID is a four-bit number with the tail number of 2 from the primary equipment account information table, so as to judge whether the current 500kV message attribution equipment is a contact switch;
s305, if the current 500kV message attribution equipment is a tie switch, inquiring an interval serial number corresponding to a 500kV line switch which belongs to the same transformer substation as the current 500kV message attribution and is formed by three digits from the primary equipment account information table;
S306, judging whether the 500kV line switch is in an overhaul state or not by inquiring whether the 500kV line switch in the step S305 has an overhaul plate from a preset listing equipment table;
s307, if the current 500kV message attribution equipment is not a contact switch, inquiring the current 500kV message attribution equipment ID from the measuring point table, and inquiring the interval serial number corresponding to the equipment ID from the primary equipment account information table; judging whether the current equipment to which the 500kV message belongs is a line switch or not by inquiring whether the equipment description corresponding to the equipment ID comprises the line switch or not;
s308, if the current 500kV message attributive equipment is a line switch, judging whether the line switch is in an overhaul state by inquiring whether the line switch has an overhaul card from the listing equipment table;
s309, for 500kV messages of line 6 cutters of the home equipment, 500kV messages of which the home equipment is a tie switch and the 500kV line switch consisting of three digits of the same transformer station number is in an overhaul state, 500kV messages of which the home equipment is a line switch and the line switch is not in the overhaul state are grouped according to the interval serial numbers and stored in the data table A;
And S4, carrying out matching judgment on SOE messages of the data table A, the data table B, the data table C, the data table D and the data table E according to a preset database, and summarizing the matching judgment result as an analysis result of the SOE sequence.
2. The intelligent analysis method for a fault SOE sequence formed by a plurality of continuous actions of power grid equipment according to claim 1, wherein the step S3 further comprises the following steps:
s301, judging whether the current SOE message belongs to a 500kV message by inquiring whether the content of the SOE message comprises 500 kV;
s310, if the current SOE message does not belong to the 500kV message, judging whether the current SOE message belongs to the 220kV message by inquiring whether the content of the SOE message comprises 220 kV;
s311, if the current SOE message belongs to the 220kV message, inquiring the equipment ID to which the current 220kV message belongs from a preset measuring point table, and inquiring the interval serial number corresponding to the equipment ID from a preset primary equipment account information table; judging whether the current 220kV message attributive equipment is a line switch or not by inquiring whether the equipment description corresponding to the equipment ID comprises the line switch or not;
s312, if the current 220kV message attribution equipment is a line switch, whether the line switch is in an overhaul state is judged by inquiring whether the line switch has an overhaul plate or not from a preset listing equipment table;
S313, grouping 220kV messages which belong to equipment which is a line switch and is not in an overhaul state according to the interval serial numbers, and storing the data table B;
s314, judging whether the message content is switch deflection information by inquiring whether the message content is open or closed or not according to the 220kV message which belongs to the equipment which is a line switch and is not in an overhaul state;
s315, if the current 220kV message attribution equipment is not a line switch, judging whether the current 220kV message belongs to a bus differential event by inquiring whether the message content comprises bus differential protection or bus differential protection;
s316, grouping 220kV messages which belong to the bus-bar event according to the transformer station names in the SOE messages, wherein the attributed equipment is a line switch, is not in an overhaul state, and has the message content of switch deflection information, and storing the 220kV messages in the data table C;
s317, if the current 220kV message does not belong to the bus error item, judging whether the current 220kV message belongs to the backup automatic switching item by inquiring whether the message content comprises the backup automatic switching action;
s318, grouping 220kV messages which belong to the spare power automatic switching item according to the transformer station names in the SOE messages, wherein the attributed equipment is a line switch, is not in an overhaul state, and has the message content of switch deflection information, and storing the 220kV messages in the data table D.
3. The intelligent analysis method for a fault SOE sequence formed by a plurality of continuous actions of power grid equipment according to claim 2, further comprising the following steps in step S3:
s319, judging whether the current SOE message belongs to a 110kV message by inquiring whether the content of the SOE message comprises 110kV or not, wherein the current SOE message does not belong to the 220kV message;
s320, if the current SOE message belongs to the 110kV message, inquiring the equipment ID to which the current 110kV message belongs from the measuring point table, and inquiring the interval serial number corresponding to the equipment ID from the primary equipment ledger information table; judging whether the current 110kV message attributive equipment is a line switch or not by inquiring whether the equipment description corresponding to the equipment ID comprises the line switch or not;
s321, if the current 110kV message attribution equipment is a line switch, judging whether the message content is switch deflection information by inquiring whether the message content is open or closed;
s322, if the current 110kV message and the attributive equipment is a line switch and the message content is switch deflection information, judging whether the line switch is in an overhaul state by inquiring whether the line switch has an overhaul card from the listing equipment table;
S318, grouping the attributive equipment which is a line switch and is not in an overhaul state and the message content of which is a 220kV message of switch deflection information, which belongs to 220kV messages of spare power automatic switching items, wherein the attributive equipment which is a 110kV message of which the line switch is in the overhaul state and the message content of which is the switch deflection information, according to the transformer station names in the SOE message and storing the transformer station names in the data table D;
s323, if the current 110kV message attribution equipment is not a line switch, judging whether the message content belongs to the spare power automatic switching item by inquiring whether the message content comprises the spare power automatic switching action;
s324, grouping 110kV messages which belong to spare power automatic switching items according to transformer station names in SOE messages, wherein the home equipment is a line switch, the message content is switch deflection information, and the line switch is not in an overhaul state, and storing the 110kV messages in the data table E.
4. The intelligent analysis method for a fault SOE sequence formed by a plurality of continuous actions of power grid equipment according to claim 1, wherein the step S4 includes the following steps:
s401, inquiring each group of SOE messages in the data table A, if the message content of the group of SOE messages comprises any rule in a preset 500kV line tripping rule base, judging that the SOE sequence at least represents the occurrence of a 500kV line tripping event corresponding to the rule once, wherein specific tripping equipment is a 500kV line corresponding to the interval sequence number of the group of SOE messages in a preset primary equipment table.
5. The intelligent analysis method for a fault SOE sequence formed by a plurality of continuous actions of power grid equipment according to claim 1, wherein the step S4 includes the following steps:
s402, inquiring each group of SOE messages in the data table C, and if the message content of one SOE message comprises 'bus differential protection' or 'bus differential protection' and the message content of the other SOE message comprises 'opening' or 'closing', judging that the SOE sequence at least represents that a 220kV bus differential operation event occurs in a transformer station to which the group of messages belong; the specific fault bus number is a number "XM" consisting of a single digit X plus an "M" in an SOE message containing "bus differential protection" or "bus differential protection";
s403, if the SOE sequence at least represents that a 220kV bus differential event occurs in a transformer station to which the group of messages belong, inquiring each group of SOE messages in the data table B, if any one SOE message exists, the message content of the three SOE messages respectively comprises 'A phase switch off', 'B phase switch off', 'C phase switch off', and the message content of no SOE message comprises 'reclosing', judging that the SOE sequence at least represents that a 220kV line phase-to-phase fault occurs, and that a specific tripping transformer station and equipment are a transformer station and 220kV line corresponding to the interval sequence number to which the group of SOE messages belong in the primary equipment ledger information table;
S404, if the tripping transformer substation obtained by the analysis in the step S402 and the step S404 is the same transformer substation, judging that the SOE sequence at least represents the occurrence of a fault in a protection overlapping area, and locating a fault point as a part between an XM bus CT of the transformer substation and a fault line switch CT in the step S8; if the trip substations obtained by the analysis in step 402 and step 404 are two different substations, and the starting station and the terminal station of a certain line are respectively allocated to the two stations by inquiring a preset line detailed table, the inter-phase faults and the bus differential faults are combined, and the SOE sequence is judged to be at least characterized in that a bus differential start long jump fault occurs once.
6. The intelligent analysis system for a faulty SOE sequence according to claim 1, wherein the step S4 includes the steps of:
s405, inquiring each group of SOE messages in the data table D, if the message content of any SOE message comprises 220kV standby automatic switching, the message content of at least one SOE message comprises 220kV and switch off, the message content of at least one SOE message comprises 110kV and switch off, and the key word of the line name included in the SOE message can be inquired in the load switching sequence of the station from a preset safety configuration table, then judging that the SOE sequence at least represents that the station to which the group belongs has 220kV standby automatic combined load switching event;
S406, inquiring each group of SOE messages in the data table E, if the message content of any SOE message comprises 110kV standby power automatic switching, the message content of at least one SOE message comprises switch opening, the message content of the SOE messages with the same key words of the other two line switches respectively comprises switch closing and switch opening, and the time of the SOE message with the message content of the switch closing is earlier than the time of the SOE message with the message content of the switch opening, then judging that the SOE sequence at least represents that a station to which the group belongs has a 110kV standby power automatic switching failure event;
s407, if the SOE sequence at least represents that the station to which the group belongs has a 110kV automatic backup switching failure event, obtaining a line name keyword from the SOE message with the same two line switch name keywords in the step 406, inquiring and matching from the equipment description of the primary equipment account information table to obtain the ID of the primary equipment, obtaining a 110kV bus and auxiliary equipment connected with the equipment from the primary equipment association relation table according to the equipment ID, and taking the 110kV bus and the auxiliary equipment as the failure point of the automatic backup switching failure event.
7. The intelligent analysis system for the SOE sequence of the fault formed by the continuous actions of the plurality of power grid equipment is characterized by comprising a SOE sequence generation module (1), a SOE message screening module (2), a data table grouping storage module (3) and an analysis judgment summarization module (4); the SOE message screening module (2) is connected with the SOE sequence generating module (1), the data table packet storage module (3) is connected with the SOE message screening module (2), and the analysis judgment summarizing module (4) is connected with the data table packet storage module (3);
the SOE sequence generation module (1) is used for continuously extracting SOE messages from the SOE message table and grouping the SOE messages according to time marks of the SOE messages to form an SOE sequence;
the SOE message screening module (2) is used for matching SOE messages in each group of SOE sequences one by one and screening SOE messages containing any keyword information in a preset criterion keyword table in the message content;
the data table grouping storage module (3) is used for grouping and storing the screened SOE messages according to the SOE message keywords in the message content, the equipment description information corresponding to the equipment ID to which the SOE message belongs and whether the equipment switch is in an overhaul state, so as to obtain a data table A for storing protection and deflection information of a 500kV line and a contact switch, a data table B for storing protection and deflection information of a 220kV line switch of a 220kV transformer substation, a data table C for storing 220kV bus-tie action and 220kV line switch deflection information of the 220kV transformer substation, a data table D for storing 220kV spare power automatic switching action and 110kV outlet switch deflection information of the 110kV transformer substation and a data table E for storing 110kV spare power automatic switching action and 110kV line switch deflection information of the 110kV transformer substation;
The specific process is as follows:
s301, judging whether the current SOE message belongs to a 500kV message by inquiring whether the content of the SOE message comprises 500 kV;
s302, if the current SOE message belongs to a 500kV message, inquiring the equipment ID to which the SOE message belongs from a preset measuring point table, inquiring whether the equipment number in the equipment description corresponding to the equipment ID is a five-digit number with the tail number of '6' from a preset primary equipment account information table, and judging whether the equipment to which the current SOE message belongs is a line 6 cutter;
s303, if the current 500kV message attribution equipment is a line 6 knife, inquiring an interval serial number corresponding to a 500kV line switch which belongs to the same transformer substation as the current 500kV message attribution equipment and is formed by four digits from the primary equipment account information table;
s304, if the current 500kV message attribution equipment is not a line 6 knife, inquiring the current 500kV message attribution equipment ID from a preset measuring point table, and inquiring whether the equipment number in the equipment description corresponding to the equipment ID is a four-bit number with the tail number of 2 from the primary equipment account information table, so as to judge whether the current 500kV message attribution equipment is a contact switch;
S305, if the current 500kV message attribution equipment is a tie switch, inquiring an interval serial number corresponding to a 500kV line switch which belongs to the same transformer substation as the current 500kV message attribution and is formed by three digits from the primary equipment account information table;
s306, judging whether the 500kV line switch is in an overhaul state or not by inquiring whether the 500kV line switch in the step S305 has an overhaul plate from a preset listing equipment table;
s307, if the current 500kV message attribution equipment is not a contact switch, inquiring the current 500kV message attribution equipment ID from the measuring point table, and inquiring the interval serial number corresponding to the equipment ID from the primary equipment account information table; judging whether the current equipment to which the 500kV message belongs is a line switch or not by inquiring whether the equipment description corresponding to the equipment ID comprises the line switch or not;
s308, if the current 500kV message attributive equipment is a line switch, judging whether the line switch is in an overhaul state by inquiring whether the line switch has an overhaul card from the listing equipment table;
s309, for 500kV messages of line 6 cutters of the home equipment, 500kV messages of which the home equipment is a tie switch and the 500kV line switch consisting of three digits of the same transformer station number is in an overhaul state, 500kV messages of which the home equipment is a line switch and the line switch is not in the overhaul state are grouped according to the interval serial numbers and stored in the data table A;
And the analysis judgment summarizing module (4) is used for carrying out matching judgment on SOE messages of the data table A, the data table B, the data table C, the data table D and the data table E according to a preset database, and summarizing the result of the matching judgment as an analysis result of the SOE sequence.
8. A storage medium having a computer program stored thereon, characterized by: the computer program, when executed by a processor, implements the steps of the method for intelligent analysis of a fault SOE sequence constituted by a plurality of grid equipment longitudinal actions according to any one of claims 1 to 6.
9. A computer device, characterized by: comprising a storage medium, a processor, and a computer program stored in the storage medium and executable by the processor, the computer program when executed by the processor implementing the steps of the method for intelligent analysis of a sequence of faulty SOEs constituted by a plurality of grid equipment longitudinal actions according to any one of claims 1 to 6.
CN202011639512.4A 2020-12-31 2020-12-31 Intelligent analysis method for fault SOE sequence formed by continuous actions of multiple power grid equipment Active CN112732716B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011639512.4A CN112732716B (en) 2020-12-31 2020-12-31 Intelligent analysis method for fault SOE sequence formed by continuous actions of multiple power grid equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011639512.4A CN112732716B (en) 2020-12-31 2020-12-31 Intelligent analysis method for fault SOE sequence formed by continuous actions of multiple power grid equipment

Publications (2)

Publication Number Publication Date
CN112732716A CN112732716A (en) 2021-04-30
CN112732716B true CN112732716B (en) 2023-11-07

Family

ID=75608998

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011639512.4A Active CN112732716B (en) 2020-12-31 2020-12-31 Intelligent analysis method for fault SOE sequence formed by continuous actions of multiple power grid equipment

Country Status (1)

Country Link
CN (1) CN112732716B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113328522A (en) * 2021-05-31 2021-08-31 广东电网有限责任公司 Power switch monitoring method, device, equipment and storage medium
CN113422820B (en) * 2021-06-21 2023-05-30 贵州电网有限责任公司 Automatic joint debugging device and method for remote information of main station
CN113743764B (en) * 2021-08-26 2024-04-05 贵州电网有限责任公司 Method for judging spare power automatic switching action of scheduling master station

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104459474A (en) * 2014-12-22 2015-03-25 国网上海市电力公司 Intelligent distribution network fault recognition method
CN106056315A (en) * 2016-07-05 2016-10-26 国电南瑞科技股份有限公司 Analysis/evaluation system and analysis/evaluation method for quality of power grid fault characteristic data
CN107294089A (en) * 2017-07-04 2017-10-24 广东电网有限责任公司电力调度控制中心 A kind of intelligent association analysis and evaluation method towards grid event
CN108847968A (en) * 2018-06-04 2018-11-20 国网浙江省电力有限公司 Monitoring accident, anomalous event identification and multidimensional analysis method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104459474A (en) * 2014-12-22 2015-03-25 国网上海市电力公司 Intelligent distribution network fault recognition method
CN106056315A (en) * 2016-07-05 2016-10-26 国电南瑞科技股份有限公司 Analysis/evaluation system and analysis/evaluation method for quality of power grid fault characteristic data
CN107294089A (en) * 2017-07-04 2017-10-24 广东电网有限责任公司电力调度控制中心 A kind of intelligent association analysis and evaluation method towards grid event
CN108847968A (en) * 2018-06-04 2018-11-20 国网浙江省电力有限公司 Monitoring accident, anomalous event identification and multidimensional analysis method

Also Published As

Publication number Publication date
CN112732716A (en) 2021-04-30

Similar Documents

Publication Publication Date Title
CN112732716B (en) Intelligent analysis method for fault SOE sequence formed by continuous actions of multiple power grid equipment
Senger et al. Automated fault location system for primary distribution networks
CN108318782B (en) Power distribution network fault area identification method based on network topology and distribution transformer power failure information
CN106124935A (en) Middle and low voltage network Fault Locating Method
CN104750878A (en) Mixed searching strategy-based topology fault diagnosis method
CN109872112B (en) Full-automatic closed-loop detection method and device for intelligent substation
CN107271853A (en) Electrical power distribution automatization system distribution low current grounding localization method and system
CN103376348A (en) Method of controlling fault current in system for monitoring and controlling power system
CN114722340B (en) Power distribution network power outage range analysis method
CN104778632A (en) Intelligent decision making aiding method and system for transfer power supply
Siirto et al. Fault location, isolation and restoration in a city distribution network
Lu et al. An artificial neural network based trouble call analysis
CN112256922B (en) Method and system for quickly identifying faults and power failure
CN112949271A (en) Maintenance safety measure analysis method and system
CN110749802B (en) Fault positioning method and system for low-voltage distribution network
CN108107318B (en) User fault positioning method and device
CN114019313B (en) Low-voltage power grid fault area judgment method, device, terminal and medium
CN110095694A (en) A kind of area's low-voltage circuit monitors system
CN116014568A (en) Main wiring type identification method, device, equipment and medium based on interval topology
Honeth et al. Distributed topology inference for electric power grids
Tlusty et al. The monitoring of power system events on transmission and distribution level by the use of phasor measurements units (PMU)
Teo A computer aided system to automate the restoration of electrical power supply
CN108416689B (en) Universal method for automatically generating operation order task
CN113131615B (en) Self-healing technology evaluation method and system for distribution network master station
CN113054665B (en) Method and system for analyzing section power supply range and stability control measures

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
GR01 Patent grant
GR01 Patent grant