CN112949271A - Maintenance safety measure analysis method and system - Google Patents
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- 238000004458 analytical method Methods 0.000 title claims abstract description 46
- 238000012423 maintenance Methods 0.000 title claims abstract description 45
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- 238000004891 communication Methods 0.000 claims description 6
- 125000004122 cyclic group Chemical group 0.000 claims description 6
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
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- G06F40/166—Editing, e.g. inserting or deleting
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1004—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's to protect a block of data words, e.g. CRC or checksum
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Abstract
The invention provides a maintenance safety measure analysis method and a system, wherein the method comprises the following steps: inputting a new version SCD file; splitting each node in the SCD file, and combining a Header node and other nodes into a new file; analyzing the new file, extracting the CRC feature codes of the IED nodes, traversing the IED nodes to construct an association relationship among the IEDs, and establishing a corresponding relationship among the virtual terminals, the soft pressing plates and the reference paths; generating a safety measure template based on a secondary safety measure rule of the transformer substation, and presetting all pressure plate contents and pressure plate putting-in and putting-out orders in the safety measure template; matching the actual pressing plate data in the SCD file with the safety measure template to generate a safety measure ticket; and respectively carrying out SCD file difference comparison and SCD file safety measure ticket version difference comparison. According to the scheme, the difference points of the safety measures can be found in advance in the checking, expanding and transforming processes of the intelligent station, and the formulating efficiency of the safety measure tickets and the construction safety in the transforming and expanding process of the transformer substation are improved.
Description
Technical Field
The invention relates to the field of secondary safety measures of transformer substations, in particular to a maintenance safety measure analysis method and a maintenance safety measure analysis system.
Background
In the process of reconstruction and extension of the transformer substation, due to the modification of the SCD configuration file, the work of on-site maintenance, defect treatment and the like can be changed. In the initial stage of the construction of the transformer substation, the SCD configuration file in the whole substation plays a role in uniformly standardizing the IED equipment and system configuration of the transformer substation, and along with the rapid advance of the construction of the intelligent transformer substation, the processes of extension, transformation and verification of the intelligent transformer substation are called as the key points of operation, maintenance and repair.
The content of the secondary safety measure ticket of the transformer substation changes along with the change of the SCD configuration file, the management mode is mainly in offline decentralized management, and the content difference and tracking record of the safety measure ticket are lacked in the full life cycle of the intelligent transformer substation. In a published patent, chinese patent CN 105138752a discloses a history backtracking differential comparison and display method for an intelligent substation SCD configuration file, which compares the consistency of a CRC code of an actual device and a history version SCD model file, reduces the comparison result to specific information needing a channel, and then performs graphical display. Chinese patent CN 104240142A discloses a highly visual display method for version differences of secondary system configurations of an intelligent substation, and the method displays the differences among SCD configuration files in a hierarchical and graphical manner by comparing the secondary system configurations. The method disclosed by the prior art only analyzes the incidence relation of the protection device, the merging unit and the intelligent terminal in the current SCD file, and is lack of the safety measure difference analysis and comparison between the historical version and the newly-built version, so that the construction safety in the substation reconstruction and extension process is difficult to reliably ensure.
Disclosure of Invention
In view of this, the embodiment of the invention provides a maintenance safety measure analysis method and system to solve the problem that the existing SCD file difference analysis lacks difference comparison of safety measures and is difficult to ensure the reconstruction and extension construction safety of a transformer substation.
In a first aspect of an embodiment of the present invention, a method for analyzing overhaul safety measures is provided, including:
inputting the new version SCD file into a database;
splitting each node in the SCD file of the new version, and combining a Header node and other nodes into a new file;
analyzing the new file, extracting the CRC feature codes of the IED nodes, traversing the IED nodes to construct an association relation among the IEDs, and establishing a corresponding relation among the virtual terminals, the soft pressing plates and the reference paths;
generating a safety measure template based on a secondary safety measure rule of the transformer substation, and presetting all pressure plate contents and pressure plate putting-in and putting-out orders in the safety measure template;
matching the actual pressing plate data in the SCD file with the safety measure template to generate a safety measure ticket;
analyzing different SCD files to obtain an IED list, extracting CRC (cyclic redundancy check) feature codes for marking change of virtual terminals in IEDs, and obtaining the IED list with the change of the virtual terminals based on the CRC feature codes so as to perform difference analysis on the SCD files;
and comparing the safety measure ticket operation contents of different SCD files to obtain changed safety measure ticket data based on the changed IED list so as to perform difference analysis on the safety measure ticket versions of the SCD files.
In a second aspect of an embodiment of the present invention, there is provided a service safety measure analysis system including:
the SCD file version management module is used for inputting the SCD file of the new version into the database;
the SCD file splitting module is used for splitting each node in the new version SCD file and combining the Header node and the other nodes into a new file;
the SCD file analysis module is used for analyzing the new file, extracting the CRC feature codes of the IED nodes, traversing the IED nodes to construct the association relationship among the IEDs, and establishing the corresponding relationship among the virtual terminals, the soft pressing plates and the reference paths;
the safety strategy dictionary module is used for generating a safety measure template based on a secondary safety measure rule of the transformer substation, and presetting all pressure plate contents and pressure plate switching-in and switching-out orders in the safety measure template;
the safety measure ticket generating module is used for matching the actual pressing plate data in the SCD file with the safety measure template to generate a safety measure ticket;
the SCD difference analysis module is used for analyzing different SCD files to obtain an IED list, extracting CRC (cyclic redundancy check) feature codes for marking change of virtual terminals in the IED, and obtaining the IED list with the change of the virtual terminals based on the CRC feature codes so as to perform difference analysis on the SCD files;
and the safety measure ticket difference analysis module is used for comparing the safety measure ticket operation contents of different SCD files to obtain changed safety measure ticket data based on the changed IED list so as to perform difference analysis on the safety measure ticket versions of the SCD files.
In the embodiment of the invention, by analyzing the difference data of the two SCD files and comparing and analyzing the difference points of the safety measure ticket content based on the difference result, the difference points of the safety measure can be found in advance in the checking, expanding and transforming processes of the intelligent station, and the formulating efficiency of the safety measure ticket and the construction safety in the transforming and expanding process of the transformer substation are improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic flow chart of a method for analyzing overhaul safety measures according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a process of comparing differences of SCD files according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a comparison process of differences of the safety measure ticket versions according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a service safety analysis system according to an embodiment of the present invention;
fig. 5 is another schematic structural diagram of a service safety measure analysis system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons skilled in the art without any inventive work shall fall within the protection scope of the present invention, and the principle and features of the present invention shall be described below with reference to the accompanying drawings.
The terms "comprises" and "comprising," when used in this specification and claims, and in the accompanying drawings and figures, are intended to cover non-exclusive inclusions, such that a process, method or system, or apparatus that comprises a list of steps or elements is not limited to the listed steps or elements.
Referring to fig. 1, fig. 1 is a schematic flow chart of a maintenance safety measure analysis method according to an embodiment of the present invention, including:
s101, inputting the new version SCD file into a database;
the method comprises the steps of extracting attribute value information in a Header node and a substtation node of an SCD file to be input, matching the attribute value information with node attribute value information in the existing SCD file in a database, judging whether the SCD file to be input is a new version SCD configuration file, and inputting the SCD file to the database if the SCD file to be input is the new version SCD configuration file.
And extracting attribute values such as id, version, review, while and the like in the Header node, extracting the name attribute value in the substtation node, intelligently matching the information with the SCD information recorded in the database, and recording the information into the database if the information is judged to be a new Substation or a new version SCD, or not recording the information if the information is an old version SCD.
The SCD file, i.e. the system configuration description file of the intelligent substation, is a unique system configuration file for a total substation, and describes example configuration and communication parameter information of all Intelligent Electronic Devices (IEDs) of the intelligent substation, contact information between the IEDs, a primary system structure of the substation, and other configuration information.
And displaying the SCD files in a tree structure, wherein the transformer substation is used as a root node, the SCD files belonging to the transformer substation are used as leaf nodes, and the SCD files are sorted from top to bottom according to the entry time of the SCD files. And two different versions of SCD of the same transformer substation are selected for analysis and comparison.
S102, splitting each node in the new version SCD file, and combining a Header node and other nodes into a new file;
and extracting the information of the Header node, the substtation node, the Communication node, the DataTypetemplates node and the IED node in the SCD file.
The Header node data and the substition node data are combined into a new file SCDSubstation; combining the Header node data and the Communication node data into a new file SCDCommication; a new document SCDIED is composed of the Header node data and the IED and DataTypetemplates node data.
S103, analyzing the new file, extracting a CRC feature code of the IED node, traversing the IED node to construct an association relation among the IEDs, and establishing a corresponding relation among a virtual terminal, a soft pressing plate and a reference path;
the CRC feature code, i.e., a cyclic redundancy check code, is used to check whether a message sequence is lost or maliciously tampered.
New files scd stop, scd communication, SCDIED combined in S102 are parsed, and CRC feature codes of the IED nodes are extracted.
Specifically, the traversing the IED nodes to construct the association relationship between the IEDs includes: selecting any IED, extracting GOOSE information, SV information and IED sending data set list information; traversing the rest IED equipment, extracting the name attribute information in the ExtRef to be matched with the name attribute information of the rest IED equipment, and if the name attribute information in the ExtRef is matched with the name attribute information of the rest IED equipment, associating the corresponding IED equipment; and on the premise of IED equipment association, extracting reference data in the ExtRef to match with an IED sending data set, and if matching is consistent, forming an IED secondary virtual circuit relation. Wherein, the Extre is used for indicating the referenced external data object and is commonly used for the external DO signal referenced by the GOSSE input.
Illustratively, one IED (intelligent Electronic device) is selected, such as IED _ a, and the GOOSE, SV information and sending dataset list of IED _ a are extracted at the level of AccessPoint/LDevice/LNO/GSEControl (or SampledValueControl).
Traversing other IEDs, extracting and matching the IEdname information in the Extref with the name information of other IEDs in the hierarchy of Access Point/LDevice/LNO/Inputs/Extref, and if the IEdname information is consistent with the name information of other IEDs, recording the IEDs associated with the IED _ A.
Extracting reference data in the ExtRef when the IED is judged to be associated in the previous step: and matching the daName, the doName, the Idlnst, the Inclass, the Inlnnst and the prefix information with a sending data set of the IED _ A, and if the two information are consistent, forming and recording an IED secondary virtual circuit relation.
S104, generating a safety measure template based on a secondary safety measure rule of the transformer substation, and presetting all pressure plate contents and pressure plate switching-in and switching-out orders in the safety measure template;
the substation secondary safety measure rule comprises the following steps:
a1, withdrawing from the maintenance equipment protection function pressing plate;
a2, withdrawing from the maintenance equipment and operating the equipment to start the failure soft pressing plate;
a3, withdrawing the failed soft pressure plate between the running equipment and the maintenance equipment;
a4, other tripping pressing plates between the withdrawing operation equipment and the maintenance equipment;
a5, withdrawing from an outlet of the maintenance equipment and pressing a hard plate;
a6, withdrawing the running equipment to receive the soft pressing plate for the SV of the maintenance equipment;
a7, and putting in maintenance pressing plates of all maintenance equipment.
The safety measure method comprises the following steps that five types of overhaul safety strategy templates are preset in transformer substation templates with voltage levels of 220kV and 110kV in a safety measure dictionary, and the five types of safety strategies comprise: a complete set of shutdown mode, a related shutdown mode, an export shutdown mode, a state network 92 mode and a normal operation maintenance mode.
S105, matching the actual pressing plate data in the SCD file with the safety measure template to generate a safety measure ticket;
and matching the pressing plate data in the new version SCD file with the existing safety measure template to obtain a safety measure ticket corresponding to the new version SCD file.
Specifically, the relation of the secondary virtual circuit of the IED equipment is obtained, the soft pressing plate object of the secondary virtual circuit is matched with the name of the soft pressing plate in the safety measure strategy template, if the soft pressing plate object is matched with the name of the soft pressing plate in the safety measure strategy template, the soft pressing plate is filled in the safety measure template, and if the soft pressing plate object is not matched with the name of the soft pressing plate in the safety measure strategy template, preset soft pressing plate data in the safety measure template are deleted.
Find IED associated with protection type device IED 1: traversing the IED secondary virtual circuit relationship obtained in S103, for example, IED1 is a protection device in the following table, and IED2, IED3 and IED4 are all other IEDs associated through a secondary virtual circuit.
| Sending terminal IED | Receiving terminal IED | Name of soft pressing plate |
| IED1 | IED3 | Locking coincidence soft pressing plate |
| IED1 | IED3 | Reclosing soft pressing plate |
| IED1 | IED3 | Tripping soft pressing plate |
| IED1 | IED4 | Soft pressing plate for failure |
| IED2 | IED1 | SV receives soft clamp plate |
| IED3 | IED1 | Is free of |
| IED4 | IED1 | Soft pressing plate for joint debugging in failure |
Matching safety measures with templates: matching the soft pressing plate object obtained by searching the secondary virtual circuit in the last step with the name of the soft pressing plate in the safety measure strategy template, and filling the soft pressing plate into the strategy template if the soft pressing plate object is consistent with the name of the soft pressing plate in the safety measure strategy template; and if not, deleting the preset soft pressing plate data in the strategy template.
S106, analyzing different SCD files to obtain an IED list, extracting CRC (cyclic redundancy check) feature codes for marking change of virtual terminals in the IED, and obtaining the IED list with the change of the virtual terminals based on the CRC feature codes so as to perform difference analysis on the SCD files;
obtaining IED data in SCD files of two versions, extracting name and CRC in the IED data to establish a key-value mapping list, and obtaining a first list and a second list;
and extracting the name and the CRC value from the first list and the second list respectively for comparison, and if the name and the CRC value in the two lists are consistent, the current IED data is unchanged.
Illustratively, as shown in fig. 2, two versions of IED data in the SCD file are obtained in step three, and name and CRC in the SCD file are extracted to form mapping lists of < key, value >, which are respectively denoted as list a and list B. And sequentially extracting the name and the CRC value from the list A, and traversing and comparing in the list B, wherein if the name and the CRC are consistent, the current IED is judged to be unchanged.
And S107, comparing the safety measure ticket operation contents of different SCD files to obtain changed safety measure ticket data based on the changed IED list so as to perform difference analysis on the safety measure ticket versions of the SCD files.
In one embodiment, as shown in fig. 3, the process of comparing the difference of the safety measure version comprises:
and traversing all IED equipment to obtain all protection type equipment, and classifying the equipment according to line protection, main transformer protection, bus coupler protection and circuit breaker protection.
And matching the protection type equipment with the IED equipment with changed data to obtain the protection type IED equipment with changed data.
And selecting the protection type IED equipment with changed data to acquire the name attribute value.
And taking the name attribute value as a retrieval condition, retrieving the corresponding safety measure ticket version in the database and acquiring the safety measure ticket data.
And acquiring names of a hard pressing plate and a software pressing plate and an operation sequence of the hard pressing plate and the soft pressing plate in different versions of safety measure data.
Comparing the number of the hard pressing plates and the soft pressing plates and the operation sequence, and judging that the safety measure ticket changes when any comparison data is inconsistent.
In the embodiment, the SCD configuration file intelligent management, SCD configuration file difference comparison and secondary safety work ticket difference analysis of the intelligent substation are realized, the SCD configuration file management in the reconstruction and extension process of the intelligent substation is realized, the safety of the overhaul and defect processing work of the intelligent substation is guaranteed, and the maintenance level of the intelligent substation is improved.
It is understood that, in one embodiment, the step S104 of presetting a full amount of soft and hard pressure plate operation flows in the security policy template according to the safety measure operation rules includes:
the safety strategy for protecting normal operation of the A set of 220KV line protection is preset as follows:
(1)220KV XXX protection Cabinet A operation: the method comprises the steps of disconnecting a protection unit maintenance hard pressing plate, disconnecting a measurement and control unit maintenance hard pressing plate, switching on a protection remote operation hard pressing plate and switching on/off a matching data soft pressing plate.
(2)220KV XXX Intelligent component Cabinet A operation: and the hard pressing plate for maintenance of the merging unit is disconnected, the hard pressing plate for maintenance of the intelligent terminal is disconnected, and the hard pressing plate for switching related tripping switches and closing switches is switched on.
(3) Operation of a 220KV bus differential failure protection cabinet A: the method comprises the steps of inputting a XXX SV receiving soft pressing plate (filling a retrieval object), inputting a XXX starting failure starting soft pressing plate and inputting a Ruifengrui XXX protection tripping soft pressing plate.
The fault maintenance safety strategy (associated shutdown mode) of the 220KV XXXA registration merging unit is preset as follows:
(1) operation of a 220KV bus differential failure protection cabinet A: disconnecting all protection tripping soft pressing plates, switching in a 'bus differential protection maintenance' hard pressing plate, disconnecting a 'XXX SV receiving soft pressing plate' and disconnecting a 'XXX starting failure switching-in soft pressing plate'.
(2)220KV XXX protection Cabinet A operation: the method comprises the steps of disconnecting a related starting failure soft pressing plate (filling a retrieval object), disconnecting a 'tripping soft pressing plate', disconnecting a 'reclosing soft pressing plate' and switching into a 'protection unit maintenance' hard pressing plate.
(3)220KV XXX protection Cabinet B operation: the 'reclosing soft pressing plate' is put into use.
(4) B, operation of the 220KV intelligent component cabinet: checking that the 'closing outlet' is in the input position.
(5) The 220KV intelligent component cabinet A operates: and putting into a 'merging unit for maintenance' hard pressing plate.
A 220KVA registration merging unit fault maintenance safety strategy (outlet shutdown mode) is preset as follows:
(1) operation of 220KV XXX mother protection cabinet for deluxe: disconnecting all protection tripping soft pressing plates, switching in a 'bus differential protection maintenance' hard pressing plate, disconnecting a 'XXX SV receiving soft pressing plate' and disconnecting a 'XXX starting failure switching-in soft pressing plate'.
(2)220KV XXX Intelligent component Cabinet A operation: and (3) disconnecting the related tripping and closing hard pressing plate (filling the retrieval object) and putting the hard pressing plate into a 'merging unit for maintenance'.
(3)220KV XXX Intelligent component Cabinet B operation: checking that the 'closing outlet' is in the input position.
(4)220KV XXX protection Cabinet B operation: the 'reclosing soft pressing plate' is put into use.
(5)220KV XXX protection Cabinet A operation: and (4) disconnecting the related startup failure soft pressing plate (filling the retrieval object) and putting into a 'protection unit maintenance' hard pressing plate.
And d, presetting a secondary equipment troubleshooting safety strategy (complete shutdown mode) of the XX main transformer as follows:
(1) XXX mother failure protection cabinet a operation: disconnecting all protection tripping soft pressing plates, switching in a 'busbar differential protection overhaul' hard pressing plate, disconnecting 'XX main transformer SV receiving soft pressing plate' (filling a retrieval object), and disconnecting 'XX main transformer starting failure switching-in soft pressing plate'.
(2) XXX mother deluxe protection cabinet operation: disconnecting all protection tripping soft pressure plates, putting in a 'busbar differential protection overhaul' hard pressure plate, disconnecting 'XX main transformer SV receiving soft pressure plate' (filling a retrieval object), and disconnecting 'XX main transformer starting failure opening soft pressure plate' (filling a retrieval object).
(3) XX owner becomes high-pressure side intelligent component cabinet A operation: and (3) disconnecting the related trip hard pressing plate (filling the retrieval object), and putting into a high merging unit maintenance hard pressing plate and a high intelligent terminal maintenance hard pressing plate.
(4) XX owner becomes middling pressure side intelligent component cabinet A operation: the related tripping hard pressing plate is disconnected, the 'middle merging unit maintenance' hard pressing plate (filling the retrieval object), the 'middle intelligent terminal maintenance' hard pressing plate (filling the retrieval object) and the 'middle merging terminal maintenance' hard pressing plate (filling the retrieval object) are put into.
(5) XX main transformer low-voltage 1 side high tension switchgear A operation: and (3) disconnecting the hard pressing plate of the low-voltage 1 branch tripping outlet, disconnecting the hard pressing plate of the low-voltage 1 branch sectional tripping outlet (filling a retrieval object), and switching into the hard pressing plate of the low-voltage 1 merging terminal for maintenance.
(6) XX main transformer protection cabinet A operation: the method comprises the steps of disconnecting a related high-voltage side starting failure soft pressing plate (filling a retrieval object), disconnecting a related medium-voltage side starting failure soft pressing plate (filling a retrieval object), disconnecting a high-jump side bus-bar connection soft pressing plate (filling a retrieval object), disconnecting a medium-jump side bus-bar connection soft pressing plate (filling a retrieval object), disconnecting a low-jump 1-branch subsection soft pressing plate (filling a retrieval object), disconnecting a low-jump 2-branch subsection soft pressing plate (filling a retrieval object), and putting a protection unit into maintenance.
The fault handling (national network 92 mode) security policy of the 220KV XXXA set intelligent terminal is preset as follows:
(1) operation of a 220KV bus differential failure protection cabinet A: "XXX start failure to enter soft pad" is turned off, and "this interval force enable pad" is turned on (search object is filled).
(2)220KV XXX Intelligent component Cabinet A operation: and (3) disconnecting the related tripping and closing hard pressing plate (filling the retrieval object) and putting the hard pressing plate into 'intelligent terminal maintenance'.
(3)220KV XXX Intelligent component Cabinet B operation: checking that the 'closing outlet' is in the input position.
(4)220KV XXX protection Cabinet B operation: the 'reclosing soft pressing plate' is put into use.
(5)220KV XXX protection Cabinet A operation: the relevant start failure soft pressing plate (filling the retrieval object) is disconnected, the 'tripping soft pressing plate' is disconnected, and the 'reclosing soft pressing plate' is disconnected.
It can also be understood that, for the SCD file to be analyzed, when the name of the soft platen and the IED is greatly different from the standard name, the non-standard name in the SCD file can be manually modified by experienced intelligent station operation and maintenance personnel, so that the accuracy of the extracted platen data and the accuracy of generating the safety measure ticket can be ensured.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Fig. 4 is a schematic structural diagram of a maintenance safety measure analysis system according to an embodiment of the present invention, where the system includes:
the SCD file version management module 410 records the new version SCD file into the database;
the method comprises the steps of extracting attribute value information in a Header node and a substtation node of an SCD file to be input, matching the attribute value information with node attribute value information in the existing SCD file in a database, and judging whether the SCD file to be input is a new version SCD configuration file.
And displaying the SCD files in a tree structure, wherein the transformer substation is used as a root node, the SCD files to which the transformer substation belongs are used as leaf nodes, and the SCD files are sorted according to the SCD file entry time.
The SCD file splitting module 420 is configured to split each node in the new version SCD file, and combine the Header node and the other nodes into a new file;
specifically, Header node data and SubStation node data are combined into a new file SCDSubstation; composing the Header node data and the Communication node data into a new file SCDCcommunication; and combining the Header node data with the IED node and the DataTypetemplates node into a new document SCDIED.
The SCD file analyzing module 430 is used for analyzing the new file, extracting the CRC feature codes of the IED nodes, traversing the IED nodes to construct the association relationship among the IEDs, and establishing the corresponding relationship among the virtual terminals, the soft pressing plates and the reference paths;
the traversing IED nodes to construct the association relationship among the IEDs comprises the following steps:
selecting any IED, extracting GOOSE information, SV information and IED sending data set list information;
traversing the rest IED equipment, extracting the name attribute information in the ExtRef to be matched with the name attribute information of the rest IED equipment, and if the name attribute information in the ExtRef is matched with the name attribute information of the rest IED equipment, associating the corresponding IED equipment;
and on the premise of IED equipment association, extracting reference data in the ExtRef to match with an IED sending data set, and if matching is consistent, forming an IED secondary virtual circuit relation.
The safety strategy dictionary module 440 is used for generating a safety measure template based on the secondary safety measure rule of the transformer substation, and presetting all pressure plate contents and pressure plate switching orders in the safety measure template;
specifically, five types of safety measure templates for maintenance are preset, and the safety measure templates comprise a complete set of outage mode, a related outage mode, an export outage mode, a state network 92 mode and a normal operation maintenance mode.
The safety measure ticket generating module 450 is configured to match actual platen data in the SCD file with a safety measure template to generate a safety measure ticket;
specifically, the relation of the secondary virtual circuit of the IED equipment is obtained, the soft pressing plate object of the secondary virtual circuit is matched with the name of the soft pressing plate in the safety measure strategy template, if the soft pressing plate object is matched with the name of the soft pressing plate in the safety measure strategy template, the soft pressing plate is filled in the safety measure template, and if the soft pressing plate object is not matched with the name of the soft pressing plate in the safety measure strategy template, preset soft pressing plate data in the safety measure template are deleted.
The SCD difference analysis module 460 is configured to analyze different SCD files to obtain an IED list, extract a CRC feature code indicating a change in a virtual terminal in the IED, and obtain an IED list with a change in a virtual terminal based on the CRC feature code, so as to perform difference analysis on the SCD files;
the SCD difference analysis module 460 includes:
obtaining IED data in SCD files of two versions, extracting name and CRC in the IED data to establish a key-value mapping list, and obtaining a first list and a second list;
and extracting the name and the CRC value from the first list and the second list respectively for comparison, and if the name and the CRC value in the two lists are consistent, the current IED data is unchanged.
And the safety measure ticket difference analysis module 470 is configured to compare the safety measure ticket operation contents of different SCD files to obtain changed safety measure ticket data based on the changed IED list, so as to perform difference analysis on the safety measure ticket versions of the SCD files.
The safety measure ticket difference analysis module 470 includes:
traversing all IED equipment to obtain all protection type equipment, and classifying the equipment according to line protection, main transformer protection, bus coupling protection and circuit breaker protection; matching the protection type equipment with the IED equipment with changed data to obtain the protection type IED equipment with changed data; selecting protection type IED equipment with changed data, and acquiring a name attribute value; taking the name attribute value as a retrieval condition, retrieving a corresponding safety measure ticket version in a database and acquiring safety measure ticket data; acquiring names of a hard pressing plate and a software pressing plate and operation sequences of the hard pressing plate and the soft pressing plate in different versions of safety measure data; comparing the number of the hard pressing plates and the soft pressing plates and the operation sequence, and judging that the safety measure ticket changes when any comparison data is inconsistent.
As shown in fig. 5, fig. 5 is another schematic structural diagram of an overhaul safety measure analysis system provided in an embodiment of the present invention, and at least includes an SCD file version management module, an safety measure ticket generation module, a database module, an SCD difference analysis module, and a safety measure ticket difference analysis module. The SCD file version management module is stored with SCD files of various versions, and the SCD files are different versions of SCD files generated in the reconstruction and extension process of the transformer substation.
The safety measure ticket generating module comprises a checking and disassembling checking submodule, a link checking submodule, a safety measure rule matching submodule, a safety measure dictionary submodule, a safety measure strategy generating submodule and a safety measure template.
The SCD difference analysis module comprises a verification and disassembly check submodule, an SCD small file management submodule, an IED matching detection submodule, a virtual terminal matching detection submodule and a difference result generation submodule.
And comparing the safety measure ticket operation contents of different SCD files to obtain the changed safety measure ticket data in the safety measure ticket difference analysis module based on the changed IED difference result.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A maintenance safety measure analysis method is characterized by comprising the following steps:
inputting the new version SCD file into a database;
splitting each node in the SCD file of the new version, and combining a Header node and other nodes into a new file;
analyzing the new file, extracting the CRC feature codes of the IED nodes, traversing the IED nodes to construct an association relation among the IEDs, and establishing a corresponding relation among the virtual terminals, the soft pressing plates and the reference paths;
generating a safety measure template based on a secondary safety measure rule of the transformer substation, and presetting all pressure plate contents and pressure plate putting-in and putting-out orders in the safety measure template;
matching the actual pressing plate data in the SCD file with the safety measure template to generate a safety measure ticket;
analyzing different SCD files to obtain an IED list, extracting CRC (cyclic redundancy check) feature codes for marking change of virtual terminals in IEDs, and obtaining the IED list with the change of the virtual terminals based on the CRC feature codes so as to perform difference analysis on the SCD files;
and comparing the safety measure ticket operation contents of different SCD files to obtain changed safety measure ticket data based on the changed IED list so as to perform difference analysis on the safety measure ticket versions of the SCD files.
2. The method of claim 1, wherein entering the new version of the SCD file into the database further comprises:
extracting attribute value information in a Header node and a substtation node of the SCD file to be input, matching the attribute value information with node attribute value information in the existing SCD file in the database, and judging whether the SCD file to be input is a new version SCD configuration file.
3. The method of claim 1, wherein entering the new version SCD file into a database further comprises:
and displaying the SCD files in a tree structure, wherein the transformer substation is used as a root node, the SCD files to which the transformer substation belongs are used as leaf nodes, and the SCD files are sorted according to the SCD file entry time.
4. The method according to claim 1, wherein the splitting of each node in the new version of the SCD file and the combining of the Header node and the other nodes into a new file specifically include:
combining the Header node data and the SubStation node data into a new file SCDSubstation;
composing the Header node data and the Communication node data into a new file SCDCcommunication;
and combining the Header node data with the IED node and the DataTypetemplates node into a new document SCDIED.
5. The method of claim 1, wherein traversing IED nodes to construct inter-IED associations comprises:
selecting any IED, extracting GOOSE information, SV information and IED sending data set list information;
traversing the rest IED equipment, extracting the name attribute information in the ExtRef to be matched with the name attribute information of the rest IED equipment, and if the name attribute information in the ExtRef is matched with the name attribute information of the rest IED equipment, associating the corresponding IED equipment;
and on the premise of IED equipment association, extracting reference data in the ExtRef to match with an IED sending data set, and if matching is consistent, forming an IED secondary virtual circuit relation.
6. The method according to claim 1, wherein the generating of the safety measure template based on the substation secondary safety measure rule and the presetting of all the pressing plate contents and the pressing plate switching orders in the safety measure template comprises:
the method comprises the steps of presetting five types of safety measure templates, wherein the safety measure templates comprise a complete set of outage mode, a related outage mode, an export outage mode, a state network 92 mode and a normal operation maintenance mode.
7. The method of claim 1, wherein matching the actual platen data in the SCD file with the safety measure template to generate a safety measure ticket comprises:
and acquiring the relation of the secondary virtual circuit of the IED equipment, matching the soft pressing plate object of the secondary virtual circuit with the name of the soft pressing plate in the safety measure strategy template, if the matching is consistent, filling the soft pressing plate into the safety measure template, and if the matching is inconsistent. The preset soft platen data in the safety measure template is deleted.
8. The method according to claim 1, wherein the parsing different SCD files to obtain an IED list, extracting CRC feature codes indicating changes of virtual terminals in the IED, and obtaining the IED list with changes of virtual terminals based on the CRC feature codes to perform the differential analysis on the SCD files comprises:
obtaining IED data in SCD files of two versions, extracting name and CRC in the IED data to establish a key-value mapping list, and obtaining a first list and a second list;
and extracting the name and the CRC value from the first list and the second list respectively for comparison, and if the name and the CRC value in the two lists are consistent, the current IED data is unchanged.
9. The method according to claim 1, wherein comparing the safety measure ticket operation contents of different SCD files based on the changed IED list to obtain changed safety measure ticket data so as to perform difference analysis on the safety measure ticket versions of the SCD files comprises:
and traversing all IED equipment to obtain all protection type equipment, and classifying the equipment according to line protection, main transformer protection, bus coupler protection and circuit breaker protection.
And matching the protection type equipment with the IED equipment with changed data to obtain the protection type IED equipment with changed data.
And selecting the protection type IED equipment with changed data to acquire the name attribute value.
And taking the name attribute value as a retrieval condition, retrieving the corresponding safety measure ticket version in the database and acquiring the safety measure ticket data.
And acquiring names of a hard pressing plate and a software pressing plate and an operation sequence of the hard pressing plate and the soft pressing plate in different versions of safety measure data.
Comparing the number of the hard pressing plates and the soft pressing plates and the operation sequence, and judging that the safety measure ticket changes when any comparison data is inconsistent.
10. A service safety action analysis system, comprising:
the SCD file version management module is used for inputting the SCD file of the new version into the database;
the SCD file splitting module is used for splitting each node in the new version SCD file and combining the Header node and the other nodes into a new file;
the SCD file analysis module is used for analyzing the new file, extracting the CRC feature codes of the IED nodes, traversing the IED nodes to construct the association relationship among the IEDs, and establishing the corresponding relationship among the virtual terminals, the soft pressing plates and the reference paths;
the safety strategy dictionary module is used for generating a safety measure template based on a secondary safety measure rule of the transformer substation, and presetting all pressure plate contents and pressure plate switching-in and switching-out orders in the safety measure template;
the safety measure ticket generating module is used for matching the actual pressing plate data in the SCD file with the safety measure template to generate a safety measure ticket;
the SCD difference analysis module is used for analyzing different SCD files to obtain an IED list, extracting CRC (cyclic redundancy check) feature codes for marking change of virtual terminals in the IED, and obtaining the IED list with the change of the virtual terminals based on the CRC feature codes so as to perform difference analysis on the SCD files;
and the safety measure ticket difference analysis module is used for comparing the safety measure ticket operation contents of different SCD files to obtain changed safety measure ticket data based on the changed IED list so as to perform difference analysis on the safety measure ticket versions of the SCD files.
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