CN108549650A - A kind of intelligent substation anti-misoperation locking logic rules source configuration method and system - Google Patents
A kind of intelligent substation anti-misoperation locking logic rules source configuration method and system Download PDFInfo
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Abstract
A kind of intelligent substation anti-misoperation locking logic rules source configuration method of present invention proposition and system, including：Build the incidence relation and index of each element in anti-misoperation locking logic rules source information bank and anti-misoperation locking logic rules source information bank based on intelligent Substation System configuration information model；The misoperation prevention equipment in anti-misoperation locking logic rules source information bank is automatically identified according to the elemental characteristic in anti-misoperation locking logic rules source information bank, according to the incidence relation and index of each element, first and second facility information for participating in the misoperation prevention equipment latching logic rule operation is searched out；The visual rule file that anti-misoperation locking logic is generated by processing enables engineering staff to differentiate whether latching logic result reflects mechanical floor actual condition intuitively, conveniently, in real time, promotes the debugging progress of automation of transformation substations project.
Description
Technical Field
The invention belongs to the technical field of automation of intelligent substations, and particularly relates to a method and a system for configuring a false-locking prevention logic rule source end of an intelligent substation.
Background
As an important construction link of an intelligent power grid, the intelligent substation is built and put into operation by more than 1000 intelligent substations of a national power grid company at present. In order to prevent misoperation, five-prevention operation regulations of the transformer substation are specified, namely, five kinds of misoperation prevention are performed, namely, the misoperation of preventing circuit breakers from being switched off and on by mistake, the disconnection and connection of isolating switches under load, the prevention of grounding wires (grounding switches) from being hung (connected) in a charged state, the prevention of the circuit breakers (isolating switches) from being switched on by grounding wires (grounding switches) from being connected in a charged state, and the prevention of the circuit breakers (isolating switches) from being switched in a.
The anti-misoperation lockout logic configuration comprises three layers: the system comprises station control layer locking logic, bay layer locking logic and electric locking, wherein the station control layer anti-misoperation locking logic is generally realized by a monitoring system, and the bay layer anti-misoperation locking logic is realized by a measurement and control device positioned on the bay layer. At present, error-locking prevention logics of a station control layer and an interval layer of most manufacturers are configured separately, so that configuration contents of the station control layer and the interval layer are easily inconsistent. Even if part of manufacturers realize uniform configuration, false-locking prevention logic configuration is generally carried out according to database information of a monitoring system in the configuration process, and the configuration information sources are not uniform due to the fact that databases of all the manufacturers are privatized; the in-station measurement and control device is generally from a plurality of manufacturers, the monitoring system and the measurement and control device may be from different manufacturers, the common formats of the error-locking prevention logic configuration files of each manufacturer are binary, text, Excel, word and the like, the error-locking prevention logic device manufacturers configured according to the database often cannot directly adopt the mode of needing reconfiguration, and the universality of different equipment configuration files is difficult to realize. The configuration diversification and the privatization degree of the false locking prevention logic sources of different manufacturers are high, the complexity degree of the false locking prevention logic configuration is increased, and the dependence degree of a user on the manufacturers is high when the false locking prevention logic configuration is carried out. The existing anti-misoperation logic engineering configuration of weapons still adopts a manual mode to carry out manual configuration, so that human errors are difficult to avoid, time and labor are wasted, the derived anti-misoperation lockout logic file is expressed in a text or even a binary mode, the reading efficiency is low, and engineering technicians are difficult to read and check.
In the document, "implementation of five-prevention blocking between intelligent substation compartments" (electrical engineering, 2014, 10: 18-19), interlocking information such as opening positions required by transmission is acquired and transmitted across intervals by applying a GOOSE communication mode through an existing MMS network, and a subscription relationship is established through a model file. And the five-prevention function is realized by combining the flexible PLC logic of the device. The intelligent substation five-prevention interlocking system mainly solves the application of the five-prevention interlocking function between measurement and control and measurement and protection integrated devices, solves the new problem of communication between intelligent substation compartments and devices, has a networked network structure, and meets the requirements of communication and five-prevention of the intelligent substation.
A visualization scheme is provided in the literature ' research and application of intelligent substation virtual circuit visualization scheme ' (power grid and clean energy, 2014,30(10): 32-37), the SCD file can be rapidly analyzed, drawings such as a single device virtual terminal graph, a device virtual circuit graph, a device logic link graph and a network structure graph are automatically output, and the problem that a virtual circuit in the SCD file cannot be seen and cannot be touched ' due to lack of visualization tools is solved.
The document, "implementation scheme of multi-interval interlocking based on service tracking and reservation logic" (power system automation, 2014, 38(3): 155-160) proposes a multi-interval interlocking implementation scheme containing reservation logic, analyzes a reservation mechanism of multi-interval interlocking, introduces a control command state machine and a service tracking technology in IEC 61850-7-2 edition, and proposes a locking function logic node CILO locking model containing reservation logic variables and a reservation logic algorithm based on control command analysis. The problem of misoperation caused by concurrent behaviors of multiple main bodies operating different interval devices is mainly solved.
In summary, research is currently carried out on aspects such as intelligent substation misoperation-preventive locking, the key contents of the research are intelligent substation interval and multi-interval misoperation-preventive locking, intelligent substation SCD file virtual loop visualization schemes and the like, and no report is found on an intelligent substation misoperation-preventive linkage locking logic source configuration method.
The intelligent substation anti-misoperation lockout logic is an important guarantee for safe and stable operation of the intelligent substation, however, the existing anti-misoperation lockout logic engineering files are configured manually according to database information, so that the problems of labor waste and manual configuration errors are easily caused, and potential safety hazards are caused in operation. The sources configured by various manufacturers are inconsistent, so that the interaction of the field-configured anti-misoperation logic of each manufacturer is difficult, the five-prevention interlocking logic description file stored in the engineering configuration adopts a private description method for each manufacturer, the five-prevention interlocking logic description file contains complex semantics such as a logic equation expression, a binary system and the like, a layperson is difficult to understand, the reading, checking and debugging test of the anti-misoperation interlocking logic is not facilitated, the efficiency is low, the time is consumed, and the labor is wasted.
Disclosure of Invention
In order to solve the problems, the invention provides a method and a system for configuring a false locking prevention logic rule source end of an intelligent substation, which ensure the source information consistency of the false locking prevention logic configuration, improve the automation level of the false locking prevention logic configuration, reduce the error rate of artificial configuration and improve the construction efficiency of the substation. And the locking logic diagram can be displayed on the measurement and control device in real time, so that the efficiency of checking, reading, checking, debugging and testing the anti-misoperation locking is greatly improved, the labor-consuming and labor-consuming working cost of debugging is saved, the correctness of the anti-misoperation locking logic is favorably ensured, and the stable operation of the transformer substation is ensured.
The purpose of the invention is realized by adopting the following technical scheme:
a method for configuring a false-locking prevention logic rule source end of an intelligent substation comprises the following steps:
constructing an anti-misoperation lockout logic rule source end information base based on an intelligent substation system configuration information model, and an incidence relation and an index of each element in the anti-misoperation lockout logic rule source end information base;
automatically identifying anti-misoperation equipment in the anti-misoperation logic rule source end information base according to element characteristics in the anti-misoperation logic rule source end information base, and searching out primary equipment information and secondary equipment information participating in the anti-misoperation equipment locking logic rule operation according to the incidence relation and index of each element;
and generating a visualized rule file of the anti-misoperation locking logic through processing.
Preferably, the constructing of the mis-locking prevention logic rule source end information base based on the intelligent substation system configuration information model includes:
progressively loading an intelligent substation system configuration information model; the intelligent substation system configuration information model comprises: the primary equipment model, the secondary equipment model and the incidence relation of the primary equipment model and the secondary equipment model;
and reading element contents in the intelligent substation system configuration information model, and generating an anti-misoperation lockout logic rule source end information base.
Further, the progressively loading the intelligent substation system configuration information model includes:
scanning communication parameters in the intelligent substation system configuration information model line by line to obtain communication parameter information, and storing the communication parameter information into a temporary cache region;
scanning IED configuration data in an intelligent substation system configuration information model line by line to generate a corresponding SCL memory tree, performing consistency matching on IED attribute values contained in the communication parameters and names of IED elements in the SCL memory tree, and if matching is successful, establishing an association relation between the communication parameters and the IED elements in the SCL memory tree;
scanning virtual terminal configuration information in an intelligent substation system configuration information model line by line, analyzing all IED elements of input signals and all IED elements of output signals in the virtual terminal information, and establishing an association relationship between IED nodes according to an input and output relationship;
the method comprises the steps of scanning a data type template in an intelligent substation system configuration information model line by line, caching the data type template during primary scanning, matching an IED instance configuration file containing the same logic node with the data type template when the IED instance configuration file is scanned, and synchronously establishing an association relation between the IED instance configuration file and an SCL memory tree of the data type template.
Further, the constructing the incidence relation and the index of each element in the source end information base of the anti-mislocking logic rule includes:
establishing a mapping relation between each element in a source end information base of the anti-misoperation lockout logic rule and the index by using a data structure of a uniqueness index, an element label index, an element value index and a wildcard index, and inquiring element content according to the mapping relation;
the uniqueness index is an index established by traversing a preamble of an intelligent substation system configuration information model file and acquiring an attribute value of each element, and comprises the following steps: a unique identifier, an element offset, an element length, and an element hierarchy;
the element label index takes a path traversed by the element label front-end as an index, and each element label path can correspond to a plurality of elements;
the element value index is defined by establishing a node range of the value index; the node range for establishing the value index comprises: using the attribute to specify a path expression, and establishing value indexes on all nodes matched with the path expression; or a tag name is specified by using the attribute, and a value index is established on all nodes of the same tag name.
The wildcard index supports a label path containing wildcards that match zero, one, or multiple labels.
Preferably, the anti-misoperation device includes: one or more of a disconnector, a grounding switch and a circuit breaker.
Preferably, the automatically identifying the anti-misoperation device in the anti-mislocking logic rule source information base according to the element characteristics in the anti-mislocking logic rule source information base includes:
acquiring a grounding disconnecting link by identifying equipment with an element node name of connected equipment, a node element attribute type of DIS and a terminal number of 1 in a primary equipment model;
the method comprises the steps that a breaker is obtained by identifying equipment with an element node name of a connected equipment and a node element attribute type of CBR in a primary equipment model;
in the primary equipment model, the isolation disconnecting link is obtained by identifying equipment with the element node name of connected equipment, the node element attribute type of DIS and the number of terminals of 2.
Preferably, the searching for the information of the primary device and the secondary device participating in the operation of the locking logic rule of the anti-misoperation device according to the incidence relation and the index of each element in the source end information base of the anti-misoperation logic rule includes: automatically configuring a locking logic rule based on a source information base of the anti-misoperation logic rule, automatically searching equipment information of the anti-misoperation equipment participating in logic operation according to primary equipment and a topological connection relation of the primary equipment in the information base, and extracting a secondary equipment signal in the locking logic rule according to the incidence relation of the primary equipment and the secondary equipment; the secondary equipment signals comprise one or more of position signals, remote signaling signals, current signals, voltage signals, control signals, locking logic state signals, anti-error permission switching-off signals, anti-error permission switching-on signals and anti-error permission operating signals.
Further, the extracting a secondary device signal in the latching logic rule according to the association relationship between the primary device and the secondary device includes:
acquiring corresponding remote signaling values of switch positions and switching-on and switching-off states according to XCBR, XSWI, CSWI and GGIO logic nodes associated with the disconnecting switch, the grounding disconnecting link and the primary equipment of the circuit breaker; acquiring corresponding voltage and current telemetering values according to the associated MMXU logic node; acquiring a control signal of the anti-misoperation equipment according to the associated CSWI;
and obtaining a corresponding locking logic state signal through a misoperation-preventive locking logic node in a secondary equipment measurement and control device information model associated with the corresponding primary equipment.
Further, the position signals include xcbr.pos.stval and xswi.pos.stval; the remote signaling signal is GGIO, Ind, stVal, the current signal is MMXU, A, phsA, cval, mag, f, the voltage signal is MMXU, Phv, phsA, cval, mag, f, the error prevention permission opening signal is CILO, EnaOpn, stVal, the error prevention permission closing signal is CILO, EnaCls, stVal, and the error prevention permission operation signal is CILO, EnaOp, stVal.
Furthermore, the locking logic state signal and the anti-misoperation signal index are consistent with the IED and LD elements in the intelligent substation system configuration information model, and a mapping relation exists between CSWI1.Pos [ CO ] in the anti-misoperation signal index and CILO1.EnaOp. stVal [ ST ] in the corresponding locking logic state signal index.
Preferably, the generating of the visual graphic file of the anti-misoperation lockout logic by processing includes:
decomposing information of primary equipment and secondary equipment associated with the anti-misoperation logic rule of the anti-misoperation equipment to generate an anti-misoperation logic file with a single interval through the configuration of the anti-misoperation logic source end; the method comprises the following steps of (1) equipment information of the anti-misoperation equipment participating in logic operation is included;
converting the anti-misoperation lockout logic relationship into a topological connection relationship based on the anti-misoperation lockout logic file, determining the priority of the topological connection relationship, and generating a logic relationship expression according to the topological connection relationship and the priority thereof;
and displaying in a graphical mode according to the content of the logic relation expression.
Further, the decomposing, by the configuration of the mis-locking prevention logic source end, the information of the primary and secondary devices associated with the mis-locking prevention logic rule of the mis-operation prevention device to generate a single-interval mis-locking prevention logic file includes:
identifying interval elements in an anti-misoperation logic rule source end information base, determining primary anti-misoperation equipment under the interval elements and operation equipment associated with each anti-misoperation equipment, and simultaneously connecting each primary equipment with a corresponding secondary equipment signal in an equal number according to a secondary equipment signal associated with the equipment;
and extracting the primary equipment with the anti-misoperation rule and the secondary equipment signal index associated with the primary equipment in the same interval to form an interval anti-misoperation lockout logic file.
Further, the determining the priority of the topological connection relation includes: the terminal of the topological connection has the lowest priority, the higher the priority is the farther the terminal is away from the terminal, and the priority of the starting end of the topological connection is the highest;
and the output signal and the input signal in the logic gateway error-prevention locking logic relation respectively establish a mapping relation with the end point and the starting point in the topological connection relation so as to realize the conversion of the topological relation.
Further, the content of the logical relational expression is composed of equipment dictionary information and graphic description; wherein the device dictionary information includes: names, descriptions, references and unique identification IDs of the switches, the disconnecting links and the grounding switch;
the graphical description, comprising: primitive information, connection relationships and logic signal values;
the primitive information includes: signal primitives, logic primitives and connecting line primitives;
the signal primitives include: an output or input terminal and signal text description information;
the signal logic primitive comprises: and, or, not logical relations and output and input terminals participating in logical operations;
and the connecting line primitive is used for describing the connection relation among various nodes.
The logic signal values include: 0 and 1, wherein 0 represents position apart and 1 represents position on.
A method and a system for configuring a false-locking prevention logic rule source end of an intelligent substation comprise the following steps:
the intelligent substation system configuration information model comprises a construction module, a configuration information module and a comparison module, wherein the construction module is used for constructing an anti-misoperation lockout logic rule source end information base based on the intelligent substation system configuration information model and the incidence relation and index of each element in the anti-misoperation lockout logic rule source end information base;
the analysis module is used for automatically identifying the anti-misoperation equipment in the anti-misoperation logic rule source end information base according to the element characteristics in the anti-misoperation logic rule source end information base, and searching out the information of the primary equipment and the secondary equipment which participate in the anti-misoperation equipment locking logic rule operation according to the incidence relation and the index of each element;
and the file generation module is used for generating a visualized rule file of the anti-misoperation locking logic through processing.
Compared with the closest prior art, the invention has the following beneficial effects:
the invention provides a method and a system for configuring a source end of a misoperation-preventive locking logic rule of an intelligent substation, which are used for constructing a misoperation-preventive locking logic rule source end information base based on an intelligent substation system configuration information model and an incidence relation and an index of each element in the misoperation-preventive locking logic rule source end information base; the monitoring host and the measurement and control device are applied, the source information consistency of the anti-misoperation lockout logic configuration is ensured, and the automation level of the anti-misoperation lockout logic configuration is improved.
Automatically identifying anti-misoperation equipment in the anti-misoperation logic rule source end information base according to element characteristics in the anti-misoperation logic rule source end information base, and searching out primary equipment information and secondary equipment information participating in the anti-misoperation equipment locking logic rule operation according to the incidence relation and index of each element; and the visualization of the intelligent substation anti-misoperation locking logic is realized by processing the visualized rule file which generates the anti-misoperation locking logic. The complex logic relation semantics and the coincidence description of the logic file are shielded, the anti-misoperation lockout logic relation is convenient for operation and maintenance, debugging and other business personnel to check, and the defect that the current equipment manufacturer is excessively depended on is avoided. Therefore, the efficiency of checking, reading, checking and debugging the anti-misoperation lock is improved, the labor-consuming and labor-consuming working cost of debugging is saved, the correctness of the anti-misoperation lock logic is favorably ensured, and the stable operation of the transformer substation is ensured.
Drawings
Fig. 1 is a flowchart of a source end configuration method of an anti-mislocking logic rule according to an embodiment of the present invention;
fig. 2 is a flowchart of a model for loading configuration information of an intelligent substation system provided in the embodiment of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides a method for configuring a source end of a mis-locking prevention logic rule of an intelligent substation, including:
s1, constructing an anti-misoperation lockout logic rule source end information base based on an intelligent substation system configuration information model, and incidence relations and indexes of elements in the anti-misoperation lockout logic rule source end information base;
s2, automatically identifying the anti-misoperation equipment in the source end information base of the anti-misoperation logic rule according to the element characteristics in the source end information base of the anti-misoperation logic rule, and searching the information of the primary equipment and the secondary equipment participating in the operation of the anti-misoperation logic rule according to the incidence relation and the index of each element;
s3 generates a rule file for visualization of the anti-mislatching logic by processing.
In step S1, constructing a mislocking prevention logic rule source information base based on the intelligent substation system configuration information model includes:
s101, loading an intelligent substation system configuration information model in a progressive manner; the intelligent substation system configuration information model comprises: the primary equipment model, the secondary equipment model and the incidence relation of the primary equipment model and the secondary equipment model; the loading process is shown in fig. 1, and the step-by-step loading of the intelligent substation system configuration information model includes:
scanning communication parameters in the intelligent substation system configuration information model line by line to obtain communication parameter information, and storing the communication parameter information into a temporary cache region;
scanning IED configuration data in an intelligent substation system configuration information model line by line to generate a corresponding SCL memory tree, performing consistency matching on IED attribute values contained in the communication parameters and names of IED elements in the SCL memory tree, and if matching is successful, establishing an association relation between the communication parameters and the IED elements in the SCL memory tree;
scanning virtual terminal configuration information in an intelligent substation system configuration information model line by line, analyzing all IED elements of input signals and all IED elements of output signals in the virtual terminal information, and establishing an association relationship between IED nodes according to an input and output relationship;
the method comprises the steps of scanning a data type template in an intelligent substation system configuration information model line by line, caching the data type template during primary scanning, matching an IED instance configuration file containing the same logic node with the data type template when the IED instance configuration file is scanned, and synchronously establishing an association relation between the IED instance configuration file and an SCL memory tree of the data type template.
The method specifically comprises the steps of establishing communication parameters and Intelligent substation secondary equipment, wherein the communication parameters and the Intelligent substation secondary equipment are both formed by Intelligent Electronic equipment (IED), configuring an SCL (Intelligent Electronic Device) memory tree and an association relation, adopting a dynamic processing mechanism of scanning-caching-association, namely, before scanning communication parameters, temporarily caching communication parameter information during scanning, after scanning IED configuration, and establishing the association relation between the communication parameters and the IED when the IED is correspondingly configured;
establishing an association relation of virtual terminal configuration among different IEDs, and adopting a dynamic processing mechanism of scanning-caching-association to achieve optimal balance between loading speed and memory occupation;
the method comprises the steps of establishing an SCL memory tree and an association relation of IED configuration and a DataTypeTemplate data template, wherein the scanning sequence of IED configuration data is prior to the content of the DataTypeTemplate data template, and if a mechanism that IED instantiation data is cached firstly and then the relation is established is adopted, the fact that the IED configuration data is too large is considered, so that the memory occupancy rate is extremely high during association, and the checking efficiency is low. For this situation, a secondary scanning mode is adopted for fast processing. During the first scanning, the DataTypeTemplate data template is cached, during the second scanning, when IED instantiated data is scanned, the association relationship is established based on the data template while scanning, and other data are ignored to be scanned, so that the memory occupancy rate is greatly reduced, and the loading efficiency of an SCD (intelligent substation system configuration information model) is accelerated. By adopting the method, compared with a DOM mode, the checking speed of the one hundred million SCD file can be improved by about 40%.
And after the model is loaded, an index data structure is established for searching and consulting the model, and the elements are identified by adopting the attribute of uniqueness constraint of each element in the intelligent substation system configuration information model or the combination of several attributes.
S102, reading element contents in the intelligent substation system configuration information model, and generating an anti-misoperation lockout logic rule source end information base.
In step S1, constructing an association relationship and an index of each element in the mislocking prevention logic rule source information base, including:
in order to facilitate retrieval and query, an index data structure needs to be established, and a model element index association relation needs to be established. The unique identifier of the intelligent substation system configuration information model is shown in the following table.
Table 1 unique identifier of intelligent substation system configuration information model element
Establishing a mapping relation between each element in a source end information base of the anti-misoperation lockout logic rule and the index by using a data structure of a uniqueness index, an element label index, an element value index and a wildcard index, and inquiring element content according to the mapping relation; wherein,
the uniqueness index is an index established by traversing the preambles of the intelligent substation system configuration information model files and acquiring the attribute values of each element, and comprises the following steps: a unique identifier, an element offset, an element length, and an element hierarchy; and each index and a corresponding element index memory tree structure are inserted into the Hash table, wherein the index is a key Value, and the element structure is a Value. For example, the unique index value obtained by traversing the model file of the leading sequence of a certain LD element is: SCL/CE 2201/S1/CTRL. And traversing the preambles of the SCD file elements, and establishing a unique index for each element, so that the application of an index data structure can be obtained, and the rapid query and extraction can be performed on the tree-shaped SCD model.
The element label index takes a path traversed by the element label front-end as an index, and each element label path can correspond to a plurality of elements; one index key Value is supported to correspond to a plurality of Value values, namely, the index and the corresponding content are in one-to-many relation, and the query index requirement of the elements of the same type can be met.
The element value index is defined by establishing a node range of the value index; establishing a node range for the value index includes: using the attribute to specify a path expression, and establishing value indexes on all nodes matched with the path expression; for example: the index is SCL/CE2201/S1/CTRL/LN @ CSWI; or a tag name is specified by using the attribute, and a value index is established on all nodes of the same tag name. For example, query all elements of a certain class of elements that have a certain attribute value, query all LN elements that lnClass is CSWI. The value index needs to be used: LN @ CSWI, this form may be equivalent to: SCL/IED/AP/LD/LN @ CSWI.
A wildcard index, i.e., an index, supports a label path containing wildcards that match zero, one, or multiple labels.
The above-mentioned index structure is a bidirectional index, that is, a child element or a parent element can be obtained according to an element, for example, an LN element can get a corresponding LD element upward and a corresponding DO element downward. After the bidirectional index relationship is established, the contents of the model elements need to be inquired according to the index relationship, so that the requirement of inquiring high efficiency is met for facilitating the inquiry, the element index Hash table is established, the elements are quickly inquired by the Hash table inquiring method, and the inquiring speed is 0 (n). The key value in the Hash table is the index value established by the query element, and the corresponding return value is the object element defined by the SCL memory tree corresponding to the index.
For a data type template (DataTypetemplate) query method, the id keywords of LNodeType, DOType, DAType and EnumType are used as indexes, and the offset, the length, the sub-elements and the like of the element correspond to the ID keywords of the LNodeType, the DOType, the DAType and the EnumType. Where DOType, DAType elements are nested structures, so one id may be associated with multiple ids of the same type. And storing the contents of each template object matched with the id by adopting a Hash mapping table.
In step S2, a, automatically identifying an anti-misoperation device in the source end information base of the mislocking prevention logic rule according to the element characteristics in the source end information base of the mislocking prevention logic rule, where the anti-misoperation device includes: disconnecting switch, earthing knife-switch and circuit breaker.
Acquiring a grounding disconnecting link by identifying equipment with an element node name of connected equipment, a node element attribute type of DIS and a terminal number of 1 in a primary equipment model;
the method comprises the steps that a breaker is obtained by identifying equipment with an element node name of a connected equipment and a node element attribute type of CBR in a primary equipment model;
in the primary equipment model, the isolation disconnecting link is obtained by identifying equipment with the element node name of connected equipment, the node element attribute type of DIS and the number of terminals of 2.
b, searching the information of the primary equipment and the secondary equipment participating in the locking logic rule operation of the anti-misoperation equipment according to the incidence relation and the index of each element in the source terminal information base of the anti-misoperation logic rule comprises the following steps: automatically configuring a locking logic rule based on a source information base of the anti-misoperation logic rule, automatically searching equipment information of the anti-misoperation equipment participating in logic operation according to primary equipment and a topological connection relation of the primary equipment in the information base, and extracting a secondary equipment signal in the locking logic rule according to the incidence relation of the primary equipment and the secondary equipment; the secondary equipment signals comprise position signals, remote signaling signals, current signals, voltage signals, control signals, locking logic state signals, anti-error permission brake-separating signals, anti-error permission switch-on signals and anti-error permission operation signals.
The anti-misoperation lockout logic rule adopts an automatic and manual auxiliary method, namely a typical rule is automatically constructed based on model drive, and is configured in a manual auxiliary mode for part of special requirements;
the anti-misoperation lockout logic relation rule is based on an SCD model to automatically configure three anti-misoperation devices, namely a grounding switch, a disconnecting switch and a circuit breaker, a positive logic rule is provided, a negative logic rule is automatically generated by the positive logic rule, and the switching-on and switching-off rules of the anti-misoperation devices are consistent;
when the circuit breaker is connected to the end point of the grounding disconnecting link, all disconnecting switches connected to the other end of the circuit breaker are all opened to prevent the grounding device from being closed in a charged state;
the method comprises the steps that an anti-misoperation equipment grounding disconnecting link is obtained by identifying an element with a node name of connected equipment and a node element attribute type of DIS in a primary equipment model, wherein the node name of the element is DIS, and the number of equipment terminals is 1;
the method comprises the steps that the anti-misoperation equipment breaker is obtained by identifying an element with a node name of ConductingEquipment and a node element attribute type of CBR in a primary equipment model;
the method comprises the steps that an anti-misoperation equipment isolation disconnecting link is obtained by identifying an element with a node name of connected equipment and a node element attribute type of DIS in a primary equipment model, wherein the number of equipment terminals is 2;
the anti-misoperation lockout logic relation rule is based on the actual operation condition, and due to the requirement of operation flexibility, no matter the operation state or the maintenance state can not impose excessive limitation on the operation of the circuit breaker, and the lockout rule for operating the circuit breaker is not configured;
the anti-misoperation lockout logic relation rule is automatically configured based on an SCD model, and the disconnecting switch cannot be pulled with a load when required to be operated, namely no current passes through the circuits before and after operation.
No current passes through the circuit before and after the disconnecting switch is operated, namely, the circuit switch where the disconnecting switch is located must be disconnected, and the grounding switches or temporary ground wires in all directions extending from the circuit of the disconnecting switch are all disconnected (the search in the direction of the disconnected disconnecting switch or circuit breaker is finished);
no current passes through the circuits before and after the disconnecting switch is operated, and no current passes through the circuits before and after the disconnecting switch is operated, so that the connectivity of the topological circuit of the transformer substation where the disconnecting switch is located cannot be changed, namely the topological connectivity of a power supply and a load, the power supply and the ground, and the power supply cannot be changed.
c, extracting secondary equipment signals in the locking logic rule according to the incidence relation of the primary equipment and the secondary equipment, and the method comprises the following steps:
acquiring corresponding remote signaling values of switch positions and switching-on and switching-off states according to XCBR, XSWI, CSWI and GGIO logic nodes associated with the disconnecting switch, the grounding disconnecting link and the primary equipment of the circuit breaker; acquiring corresponding voltage and current telemetering values according to the associated MMXU logic node; acquiring a control signal of the anti-misoperation equipment according to the associated CSWI;
1) obtaining corresponding locking logic state signals through anti-misoperation locking logic nodes in the secondary equipment measurement and control device information model associated with the corresponding primary equipment: extracting secondary equipment signal index Reference in the anti-misoperation logic rule according to the incidence relation of the primary and secondary equipment, wherein the secondary equipment signal index Reference adopts a representation mode of a common service interface ACSI (access control interface), and comprises a Function Constraint (FC) of data, a control object is represented by an FCD (fuzzy c-means) and position and measurement data are represented by an FCDA (fuzzy c-means).
And for the grounding piles, the access gates and a small amount of current and voltage semaphores participating in operation, manual auxiliary configuration is performed in a regular template mode.
The signal index of the anti-misoperation lockout logic automatically extracts short address information corresponding to the signal in the model according to the model, so that the requirement of the device for loading and identifying the anti-misoperation signal is met;
and the locking logic state of the anti-misoperation equipment obtains a corresponding state signal through an anti-misoperation locking logic node (CILO) in a secondary equipment measurement and control device information model associated with the corresponding primary equipment model in the SCD model.
2) Automatically identifying information models by signals of primary equipment and secondary equipment related to the anti-misoperation lockout logic rule and extracting corresponding measurement and position signals;
automatically identifying an anti-misoperation rule signal, automatically searching a primary equipment topological relation in an SCD (substation configuration description) model aiming at an anti-misoperation equipment grounding switch, respectively obtaining all isolation switch equipment models related to anti-misoperation locking logics around the primary grounding switch equipment model, sequentially searching a measurement and control device information model of secondary equipment related to the primary isolation switch information model, and extracting signal information such as switch position, control, current and voltage related to the isolation switch in the measurement and control device;
automatically identifying an anti-misoperation rule signal, automatically searching a primary equipment topological relation in an SCD (substation configuration description) model aiming at an anti-misoperation equipment isolation switch, respectively obtaining all grounding isolation switch equipment and breaker equipment information models which are logically related to anti-misoperation in the topology around the primary isolation switch information model, sequentially searching a measurement and control device information model of secondary equipment related to the isolation switch, and extracting signal information such as switch position, control, current and voltage related to the grounding isolation switch model in the measurement and control device;
position signals include xcbr.pos.stval and xswi.pos.stval; the remote signaling signal is GGIO, Ind, stVal, the current signal is MMXU, A, phsA, cval, mag, f, the voltage signal is MMXU, Phv, phsA, cval, mag, f, the error prevention permission opening signal is CILO, EnaOpn, stVal, the error prevention permission closing signal is CILO, EnaCls, stVal, and the error prevention permission operation signal is CILO, EnaOp, stVal.
3) The information signals related to the anti-misoperation lockout logic rule are inquired and corresponding information is extracted in a keyword, path and wildcard mode;
position signal information models in the anti-misoperation lockout logic rule related information are XCBR.
The locking logic state signal and the anti-misoperation signal index are consistent with IED and LD elements in the intelligent substation system configuration information model, and a mapping relation exists between CSWI1.Pos [ CO ] in the anti-misoperation signal index and CILO1.EnaOp.stVal [ ST ] in the corresponding locking logic state signal index.
In step S3, the generating of the visual graphic file of the anti-mislocking logic by the processing includes:
decomposing information of primary equipment and secondary equipment associated with the anti-misoperation logic rule of the anti-misoperation equipment to generate an anti-misoperation logic file with a single interval through the configuration of the anti-misoperation logic source end; the method comprises the following steps of (1) equipment information of the anti-misoperation equipment participating in logic operation is included;
converting the anti-misoperation lockout logic relationship into a topological connection relationship based on the anti-misoperation lockout logic file, determining the priority of the topological connection relationship, and generating a logic relationship expression according to the topological connection relationship and the priority thereof;
and displaying in a graphical mode according to the content of the logic relation expression.
Wherein, through the configuration of the logical source end of the anti-misoperation lockout, the information of the first and the second devices associated with the anti-misoperation lockout logical rule of the anti-misoperation device is decomposed to generate the anti-misoperation lockout logical file of a single interval, which comprises:
identifying interval elements in an anti-misoperation logic rule source end information base, determining primary anti-misoperation equipment under the interval elements and operation equipment associated with each anti-misoperation equipment, and simultaneously connecting each primary equipment with a corresponding secondary equipment signal in an equal number according to a secondary equipment signal associated with the equipment;
and extracting the primary equipment with the anti-misoperation rule and the secondary equipment signal index associated with the primary equipment in the same interval to form an interval anti-misoperation lockout logic file.
Determining the priority of the topological connection relation, comprising the following steps: the terminal of the topological connection has the lowest priority, the higher the priority is the farther the terminal is away from the terminal, and the priority of the starting end of the topological connection is the highest;
and the output signal and the input signal in the logic gateway error-prevention locking logic relation respectively establish a mapping relation with the end point and the starting point in the topological connection relation so as to realize the conversion of the topological relation.
The content of the logic relation expression is composed of equipment dictionary information and graphic description; wherein the device dictionary information includes: names, descriptions, references and unique identification IDs of the switches, the disconnecting links and the grounding switch;
a graphical depiction comprising: primitive information, connection relationships and logic signal values;
the primitive information includes: signal primitives, logic primitives and connecting line primitives;
the signal primitive comprises: an output or input terminal and signal text description information;
the signal logic primitive comprises: and, or, not logical relations and output and input terminals participating in logical operations;
and the connecting line primitive is used for describing the connection relation among various nodes.
The logic signal values include: 0 and 1, wherein 0 represents position apart and 1 represents position on.
Based on the same technical concept, the invention also provides a method and a system for configuring the false locking prevention logic rule source end of the intelligent substation, wherein the method comprises the following steps:
the intelligent substation system configuration information model comprises a construction module, a configuration information module and a comparison module, wherein the construction module is used for constructing an anti-misoperation lockout logic rule source end information base based on the intelligent substation system configuration information model and the incidence relation and index of each element in the anti-misoperation lockout logic rule source end information base;
the analysis module is used for automatically identifying the anti-misoperation equipment in the anti-misoperation logic rule source end information base according to the element characteristics in the anti-misoperation logic rule source end information base, and searching out the information of the primary equipment and the secondary equipment which participate in the anti-misoperation equipment locking logic rule operation according to the incidence relation and the index of each element;
and the file generation module is used for generating a visualized rule file of the anti-misoperation locking logic through processing.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting the protection scope thereof, and although the present application is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: numerous variations, modifications, and equivalents will occur to those skilled in the art upon reading the present application and are within the scope of the claims appended hereto.
Claims (15)
1. A method for configuring a source end of a logic rule for preventing misoperation and locking of an intelligent substation is characterized by comprising the following steps:
constructing an anti-misoperation lockout logic rule source end information base based on an intelligent substation system configuration information model, and an incidence relation and an index of each element in the anti-misoperation lockout logic rule source end information base;
automatically identifying anti-misoperation equipment in the anti-misoperation logic rule source end information base according to element characteristics in the anti-misoperation logic rule source end information base, and searching out primary equipment information and secondary equipment information participating in the anti-misoperation equipment locking logic rule operation according to the incidence relation and index of each element;
and generating a visualized rule file of the anti-misoperation locking logic through processing.
2. The method of claim 1, wherein constructing a false-locking prevention logic rule source end information base based on an intelligent substation system configuration information model comprises:
progressively loading an intelligent substation system configuration information model; the intelligent substation system configuration information model comprises: the primary equipment model, the secondary equipment model and the incidence relation of the primary equipment model and the secondary equipment model;
and reading element contents in the intelligent substation system configuration information model, and generating an anti-misoperation lockout logic rule source end information base.
3. The method of claim 2, wherein said progressively loading an intelligent substation system configuration information model comprises:
scanning communication parameters in the intelligent substation system configuration information model line by line to obtain communication parameter information, and storing the communication parameter information into a temporary cache region;
scanning IED configuration data in an intelligent substation system configuration information model line by line to generate a corresponding SCL memory tree, performing consistency matching on IED attribute values contained in the communication parameters and names of IED elements in the SCL memory tree, and if matching is successful, establishing an association relation between the communication parameters and the IED elements in the SCL memory tree;
scanning virtual terminal configuration information in an intelligent substation system configuration information model line by line, analyzing all IED elements of input signals and all IED elements of output signals in the virtual terminal information, and establishing an association relationship between IED nodes according to an input and output relationship;
the method comprises the steps of scanning a data type template in an intelligent substation system configuration information model line by line, caching the data type template during primary scanning, matching an IED instance configuration file containing the same logic node with the data type template when the IED instance configuration file is scanned, and synchronously establishing an association relation between the IED instance configuration file and an SCL memory tree of the data type template.
4. The method of claim 2, wherein the constructing the association and index of each element in the source information base of the anti-mislocking logic rule comprises:
establishing a mapping relation between each element in a source end information base of the anti-misoperation lockout logic rule and the index by using a data structure of a uniqueness index, an element label index, an element value index and a wildcard index, and inquiring element content according to the mapping relation;
the uniqueness index is an index established by traversing a preamble of an intelligent substation system configuration information model file and acquiring an attribute value of each element, and comprises the following steps: a unique identifier, an element offset, an element length, and an element hierarchy;
the element label index takes a path traversed by the element label front-end as an index, and each element label path can correspond to a plurality of elements;
the element value index is defined by establishing a node range of the value index; the node range for establishing the value index comprises: using the attribute to specify a path expression, and establishing value indexes on all nodes matched with the path expression; or using the attribute to designate a label name, and establishing a value index on all nodes with the same label name;
the wildcard index supports a label path containing wildcards that match zero, one, or multiple labels.
5. The method of claim 1, wherein the anti-misoperation device comprises: one or more of a disconnector, a grounding switch and a circuit breaker.
6. The method of claim 1 or 5, wherein automatically identifying the anti-misoperation device in the anti-mislocking logic rule source information base according to the element characteristics in the anti-mislocking logic rule source information base comprises:
acquiring a grounding disconnecting link by identifying equipment with an element node name of connected equipment, a node element attribute type of DIS and a terminal number of 1 in a primary equipment model;
the method comprises the steps that a breaker is obtained by identifying equipment with an element node name of a connected equipment and a node element attribute type of CBR in a primary equipment model;
in the primary equipment model, the isolation disconnecting link is obtained by identifying equipment with the element node name of connected equipment, the node element attribute type of DIS and the number of terminals of 2.
7. The method of claim 1, wherein the searching for the primary and secondary device information participating in the operation of the anti-misoperation device lockout logic rule according to the incidence relation and the index of each element in the source end information base of the anti-misoperation logic rule comprises: automatically configuring a locking logic rule based on a source information base of the anti-misoperation logic rule, automatically searching equipment information of the anti-misoperation equipment participating in logic operation according to primary equipment and a topological connection relation of the primary equipment in the information base, and extracting a secondary equipment signal in the locking logic rule according to the incidence relation of the primary equipment and the secondary equipment; the secondary equipment signals comprise one or more of position signals, remote signaling signals, current signals, voltage signals, control signals, locking logic state signals, anti-error permission switching-off signals, anti-error permission switching-on signals and anti-error permission operating signals.
8. The method of claim 7, wherein extracting secondary device signals in the latching logic rule according to the primary and secondary device association relationship comprises:
acquiring corresponding remote signaling values of switch positions and switching-on and switching-off states according to XCBR, XSWI, CSWI and GGIO logic nodes associated with the disconnecting switch, the grounding disconnecting link and the primary equipment of the circuit breaker; acquiring corresponding voltage and current telemetering values according to the associated MMXU logic node; acquiring a control signal of the anti-misoperation equipment according to the associated CSWI;
and obtaining a corresponding locking logic state signal through a misoperation-preventive locking logic node in a secondary equipment measurement and control device information model associated with the corresponding primary equipment.
9. The method of claim 7, wherein said position signals include xcbr.pos.stval and xswi.pos.stval; the remote signaling signal is GGIO, Ind, stVal, the current signal is MMXU, A, phsA, cval, mag, f, the voltage signal is MMXU, Phv, phsA, cval, mag, f, the error prevention permission opening signal is CILO, EnaOpn, stVal, the error prevention permission closing signal is CILO, EnaCls, stVal, and the error prevention permission operation signal is CILO, EnaOp, stVal.
10. The method of claim 8, wherein the lockout logic status signals are consistent with IED and LD elements in an intelligent substation system configuration information model of the anti-misoperation signal index, and CSWI1.Pos [ CO ] in the anti-misoperation signal index has a mapping relation with CILO1.EnaOp. stVal [ ST ] in the corresponding lockout logic status signal index.
11. The method of claim 1, wherein generating the visual graphical file of anti-mislocking logic by the process comprises:
decomposing information of primary equipment and secondary equipment associated with the anti-misoperation logic rule of the anti-misoperation equipment to generate an anti-misoperation logic file with a single interval through the configuration of the anti-misoperation logic source end; the method comprises the following steps of (1) equipment information of the anti-misoperation equipment participating in logic operation is included;
converting the anti-misoperation lockout logic relationship into a topological connection relationship based on the anti-misoperation lockout logic file, determining the priority of the topological connection relationship, and generating a logic relationship expression according to the topological connection relationship and the priority thereof;
and displaying in a graphical mode according to the content of the logic relation expression.
12. The method of claim 11, wherein decomposing the primary and secondary device information associated with the anti-misoperation logic rules of the anti-misoperation device to generate a single-interval anti-misoperation logic file through the configuration of the anti-misoperation logic source end comprises:
identifying interval elements in an anti-misoperation logic rule source end information base, determining primary anti-misoperation equipment under the interval elements and operation equipment associated with each anti-misoperation equipment, and simultaneously connecting each primary equipment with a corresponding secondary equipment signal in an equal number according to a secondary equipment signal associated with the equipment;
and extracting the primary equipment with the anti-misoperation rule and the secondary equipment signal index associated with the primary equipment in the same interval to form an interval anti-misoperation lockout logic file.
13. The method of claim 11, wherein the determining the priority of the topological connection relationship comprises: the terminal of the topological connection has the lowest priority, the higher the priority is the farther the terminal is away from the terminal, and the priority of the starting end of the topological connection is the highest;
and the output signal and the input signal in the logic gateway error-prevention locking logic relation respectively establish a mapping relation with the end point and the starting point in the topological connection relation so as to realize the conversion of the topological relation.
14. The method of claim 11, wherein the contents of the logical relational expression are comprised of device dictionary information and graphical descriptions; wherein the device dictionary information includes: names, descriptions, references and unique identification IDs of the switches, the disconnecting links and the grounding switch;
the graphical description, comprising: primitive information, connection relationships and logic signal values;
the primitive information includes: signal primitives, logic primitives and connecting line primitives;
the signal primitives include: an output or input terminal and signal text description information;
the signal logic primitive comprises: and, or, not logical relations and output and input terminals participating in logical operations;
the connecting line primitive is used for describing the connection relation among various nodes;
the logic signal values include: 0 and 1, wherein 0 represents position apart and 1 represents position on.
15. The utility model provides an intelligent substation prevents mistake shutting logic rule source end configuration system which characterized in that includes:
the intelligent substation system configuration information model comprises a construction module, a configuration information module and a comparison module, wherein the construction module is used for constructing an anti-misoperation lockout logic rule source end information base based on the intelligent substation system configuration information model and the incidence relation and index of each element in the anti-misoperation lockout logic rule source end information base;
the analysis module is used for automatically identifying the anti-misoperation equipment in the anti-misoperation logic rule source end information base according to the element characteristics in the anti-misoperation logic rule source end information base, and searching out the information of the primary equipment and the secondary equipment which participate in the anti-misoperation equipment locking logic rule operation according to the incidence relation and the index of each element;
and the file generation module is used for generating a visualized rule file of the anti-misoperation locking logic through processing.
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| CN111361605B (en) * | 2020-03-10 | 2022-03-22 | 珠海优特电力科技股份有限公司 | Error locking prevention control method and system for grounding device and storage medium |
| CN112255481A (en) * | 2020-10-16 | 2021-01-22 | 珠海优特电力科技股份有限公司 | Target equipment anti-error detection method and device, storage medium and electronic device |
| CN112398225A (en) * | 2020-11-12 | 2021-02-23 | 国网宁夏电力有限公司宁东供电公司 | Remote signaling monitoring method for secondary equipment of transformer substation |
| CN112383146A (en) * | 2020-11-12 | 2021-02-19 | 国网宁夏电力有限公司宁东供电公司 | Method for generating remote signaling monitoring operation task of secondary equipment of transformer substation |
| CN112383146B (en) * | 2020-11-12 | 2023-02-28 | 国网宁夏电力有限公司宁东供电公司 | Method for generating remote signaling monitoring operation task of secondary equipment of transformer substation |
| CN112433720A (en) * | 2020-11-27 | 2021-03-02 | 大庆石油管理局有限公司 | Five-prevention system establishment method applied to mobile combined substation |
| CN112433720B (en) * | 2020-11-27 | 2024-06-18 | 大庆石油管理局有限公司 | Five-prevention system establishment method applied to mobile combined transformer substation |
| CN112949086A (en) * | 2021-03-25 | 2021-06-11 | 河南九域恩湃电力技术有限公司 | Topological identification method for primary system of transformer substation |
| CN114243896A (en) * | 2021-10-25 | 2022-03-25 | 国网江苏省电力有限公司苏州供电分公司 | Method and system for checking whole-process operation of remote control master station considering multidimensional information |
| CN114243896B (en) * | 2021-10-25 | 2024-03-29 | 国网江苏省电力有限公司苏州供电分公司 | Remote control master station whole process operation checking method and system considering multidimensional information |
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