CN106845652A - Relay protection on-line monitoring method and system based on incidence relation - Google Patents
Relay protection on-line monitoring method and system based on incidence relation Download PDFInfo
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Abstract
A kind of relay protection on-line monitoring method and system based on incidence relation, the on-line monitoring method include：Obtain each status information of relay protection；Extract the incidence relation between each status information；The relationship type of analyzing and associating relation；When relationship type is preset kind, the on-line monitoring algorithm of matching relationship type and the corresponding status information of relationship type；According to on-line monitoring algorithm, relationship type and the corresponding status information of relationship type are parsed, obtain status information monitoring result；When status information monitoring result is for exception, abnormality alarming information is sent.The on-line monitoring system includes：State information acquisition module, status information extraction module, analysis module, on-line monitoring algorithmic match module, arithmetic analysis module and on-line monitoring result output module; above-mentioned relay protection on-line monitoring method and system based on incidence relation; primary equipment need not be had a power failure; the reliability of intelligent substation relay protection can be improved, maintenance work amoun is reduced.
Description
Technical field
The present invention relates to substation relay protection technical field, more particularly to a kind of relay protection based on incidence relation
On-line monitoring method and system.
Background technology
As the requirement to relay protection system reliability service is improved constantly, the importance of transformer station's O＆M management and control increasingly shows
Write.And the main O＆M maintenance mode of intelligent substation still continues to use traditional periodic inspection pattern at present, workload is big, repeats superfluous
It is remaining, influence the reliability and economy of power supply.Under the background of intelligent transformer substation information shared resources, relay protection system it is each
Class is run and self-inspection data is opened and can surveyed, and support communicatively exports these information, and this causes the state based on information
Assessment turns into the new approaches of intelligent substation O＆M with on-line monitoring method.Using the on-line monitoring side of relay protection status information
Method, so as to replace part regular inspection project, can reduce maintenance work amoun, at present on-line monitoring with the state of real-time assessment relay protection
Have become the direction of intelligent substation O＆M effort.
However, there are problems that such a the on-line monitoring of relay protection at present, exactly being carried out according only to self-inspection information more
Unit state is assessed.First, the self-inspection information of device often only focuses on the integrity and working condition of device hardware, and relay is protected
Nurse makees correctness and lacks judgement with selectivity, causes the state assessment analysis to protective relaying device sufficiently complete, can not
Completely instead of regular inspection.Secondly, there is exception when a certain self-inspection information sends, then cannot be according to the correct judgment means of self-inspection information
Operating mode, also cannot indirectly reflect there is very big risk according to other information.In addition, the method is emphasized by comparing threshold value
It is out-of-limit to analyze each single item self-inspection project, can there is a problem of reasonability and artificial subjectivity when threshold value is set.
The content of the invention
Based on this, it is necessary to for how to improve reliability, reduce the technical problem of maintenance work amoun, there is provided one kind is based on
The relay protection on-line monitoring method and system of incidence relation.
A kind of relay protection on-line monitoring method based on incidence relation, the on-line monitoring method includes：Relay is obtained to protect
Each status information of shield；Extract the incidence relation between each described status information；Analyze the relation object of the incidence relation
Type；When the relationship type be preset kind when, matching on-line monitoring algorithm, the on-line monitoring algorithm respectively with the relation
Type and the corresponding status information of the relationship type are associated；According to the on-line monitoring algorithm, the relation is parsed
Type and the corresponding status information of the relationship type, obtain status information monitoring result；When status information monitoring
When result is for exception, abnormality alarming information is sent.
Wherein in one embodiment, the status information for obtaining relay protection, including：Obtain sign relay protection each
The service behaviour of individual part and the information of working condition, obtain the status information.
Wherein in one embodiment, the incidence relation extracted between the status information, including：According to searching automatically
The mode of seeking analyzes the status information, obtains the incidence relation between the status information.
Wherein in one embodiment, the incidence relation extracted between the status information, including：It is according to expert
System search pattern analyzes the status information, obtains the incidence relation between the status information.
Wherein in one embodiment, the relationship type of the analysis incidence relation, including：When two states
When chain between information, the relationship type of the incidence relation is linkage relationship；When mutual exclusion between two status informations,
The relationship type of the incidence relation is mutex relation.
It is described when the relationship type is preset kind wherein in one embodiment, match the relationship type and
The on-line monitoring algorithm of the corresponding status information of the relationship type, including：Judge whether the relationship type is chain
Relation；If so, the on-line monitoring algorithm for then matching the relationship type and the corresponding status information of the relationship type is
XOR algorithm.
It is described according to the on-line monitoring algorithm wherein in one embodiment, parse the relationship type and the pass
The corresponding status information of set type, obtains status information monitoring result, including：Calculated according to the XOR algorithm
To XOR vector matrix；Search for the position of nonzero element in the XOR vector matrix；According to the position of the nonzero element, obtain
To the monitoring result of the corresponding status information in position of the nonzero element.
It is described when the relationship type is preset kind wherein in one embodiment, match the relationship type and
The on-line monitoring algorithm of the corresponding status information of the relationship type, including：Judge whether the relationship type is mutual exclusion
Relation；If so, the on-line monitoring algorithm for then matching the relationship type and the corresponding status information of the relationship type is
XOR algorithm.
It is described according to the on-line monitoring algorithm wherein in one embodiment, parse the relationship type and the pass
The corresponding status information of set type, obtains status information monitoring result, including：Calculated according to the same or logical algorithm
To same or vector matrix；The position of nonzero element in the search same or vector matrix；According to the position of the nonzero element, obtain
To the monitoring result of the corresponding status information in position of the nonzero element.
A kind of relay protection on-line monitoring system based on incidence relation, the on-line monitoring system includes：Status information is obtained
Modulus block, status information extraction module, analysis module, on-line monitoring algorithmic match module, arithmetic analysis module and on-line monitoring
As a result output module, the state information acquisition module is used to obtain each status information of relay protection；The status information
Extraction module is used to extract the incidence relation between each described status information；The analysis module is used to analyze the association pass
The relationship type of system；The on-line monitoring algorithmic match module is used for when the relationship type is preset kind, and matching is described
The on-line monitoring algorithm of relationship type and the corresponding status information of the relationship type；The arithmetic analysis module is used for root
According to the on-line monitoring algorithm, the relationship type and the corresponding status information of the relationship type are parsed, obtain state
Information monitoring result；The on-line monitoring result output module is used to, when the status information monitoring result is for exception, send
Abnormality alarming information.
Above-mentioned relay protection on-line monitoring method and system based on incidence relation, by based on status information incidence relation
Relay protection is monitored on-line, the purpose of regular inspection is exempted from realization, from relay protection system Real-time Collection and on the state sent believe
Breath is set about, deeply excavate status information between interconnection constraint relation, according between each status information incidence relation come point
Whether analysis status information is abnormal, and abnormality alarming information is sent when abnormal, rather than only judging relay protection by single self-inspection information
State, more can comprehensively assess the state of relay protection so that the state estimation of relay protection has higher credible
Degree.The method need not have a power failure with system to primary equipment, can improve the reliability of intelligent substation relay protection, subtract
Few maintenance work amoun.
Brief description of the drawings
The step of Fig. 1 is for the relay protection on-line monitoring method that incidence relation is based in one embodiment schematic diagram；
Fig. 2 is the incidence relation schematic diagram of intelligent substation relay protection status information in one embodiment；
Fig. 3 is the structural representation of the relay protection on-line monitoring system based on incidence relation in one embodiment.
Specific embodiment
To enable the above objects, features and advantages of the present invention more obvious understandable, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.Elaborate many details in order to fully understand this hair in the following description
It is bright.But the present invention can be implemented with being much different from other manner described here, and those skilled in the art can be not
Similar improvement is done in the case of running counter to intension of the present invention, therefore the present invention is not limited by following public specific embodiment.
For example, a kind of relay protection on-line monitoring method based on incidence relation, the on-line monitoring method includes：Obtain after
Each status information of electric protection；Extract the incidence relation between each described status information；Analyze the pass of the incidence relation
Set type；When the relationship type is preset kind, the relationship type and the corresponding shape of the relationship type are matched
The on-line monitoring algorithm of state information；According to the on-line monitoring algorithm, the relationship type and relationship type correspondence are parsed
The status information, obtain status information monitoring result；When the status information monitoring result is for exception, abnormal announcement is sent
Alert information.
The above-mentioned relay protection on-line monitoring method based on incidence relation, by based on status information incidence relation to relay
Protection is monitored on-line, and the purpose of regular inspection is exempted from realization, from relay protection system Real-time Collection and on the status information sent set about,
Deeply excavate status information between interconnection constraint relation, according between each status information incidence relation come analyze state letter
Whether breath is abnormal, and abnormality alarming information is sent when abnormal, rather than only leaning on single self-inspection information to judge the state of relay protection, can
More comprehensively to assess the state of relay protection so that the state estimation of relay protection has confidence level higher.The method
Primary equipment need not be had a power failure with system, the reliability of intelligent substation relay protection can be improved, reduce O＆M work
Measure.
Fig. 1 is referred to, a kind of relay protection on-line monitoring method 10 based on incidence relation includes：
Step S101：Obtain each status information of relay protection.
Specifically, intelligent substation relay protection system mainly include combining unit, intelligent terminal, process-level network, after
The parts such as electrical protective device, wherein intelligent substation relay protection system each several part service behaviour and situation can be characterized
Information is referred to as the status information of intelligent substation relay protection.The status information of relay protection each part all may influence
Or reflect the state of whole relay protection system.For example, in step S101, obtain relay protection each node and/or each
The status information of position.And for example, the status information of each predeterminated position of relay protection is obtained.And for example, intelligent substation is obtained
Relay protection system each device each node and/or the status information of each position.And for example, each is obtained intelligently to become
Each node and/or the status information of each position of the relay protection system in power station.And for example, it is each in acquisition intelligent substation
Each node of individual relay protection relevant apparatus and/or the status information of each predeterminated position.And for example, each intelligence is obtained respectively
Each node of each protective relaying device of the relay protection system in transformer station and/or the state letter of each predeterminated position
Breath.
Under the background that intelligent transformer substation information high opening is shared, relay protection system Real-time Collection and can be reported and submitted
State status information.The status information that emphasis of the present invention considers is action element state, Bitwise, the centre of protective relaying device
Node state, and intelligent terminal collection and the switching value transmitted.For example, in step S101, respectively in acquisition intelligent substation
Relay protection system each relay protection relevant apparatus action element status information, Bitwise information, intermediate node
Status information, and intelligent terminal collection and the on-off state information transmitted.
From each part of intelligent substation relay protection, the shape of relay protection service behaviour and situation can be reflected
State information is as shown in table 1 below：
The intelligent substation relay protection status information of table 1
Under the background that intelligent transformer substation information high opening is shared, relay protection system Real-time Collection and can be served above
Status information is stated, these status informations cover protective relaying device, combining unit, intelligent terminal and each portion of process-level network
The work information for dividing, more can intactly be presented the working condition of whole relay protection system.
Wherein in one embodiment, the status information for obtaining relay protection, including：Obtain sign relay protection each
The service behaviour of individual part and the information of working condition, obtain the status information.Relay for duplicate system retrofit is protected
Shield, obtains A sets respectively and B covers the above-mentioned status information of relay protection, used as the information source of follow-up on-line monitoring method.
Step S102：Extract the incidence relation between each described status information.
Specifically, incidence relation numerous and diverse between the acquired status information of analysis and integrating, the acquisition methods of incidence relation
Including automatic searching and according to expert system search, two submodules are correspondingly corresponded to：Status information incidence relation self study mould
Block and status information incidence relation expert system module.In addition, the module also integrates submodule comprising incidence relation, it is responsible for inciting somebody to action
To status information incidence relation be divided into two major classes：Linkage relationship and mutex relation.
The action each time of relay protection or transmit is required between relay protection each part interaction, analysis and locates
Reason information, it is cooperatively coupled to one another, therefore complete generally have one between a status information for relay protection action links
Fixed incidence relation：The status information of previous link may influence the latter status information of link；Represent an event
The status information of opposite should not occur simultaneously.It is illustrated in figure 2 the four class status informations that the present invention pays close attention to, arrow in figure
Head 1-9 represents the incidence relation between status information.The method for searching of the concrete meaning of arrow 1-9 and the incidence relation in Fig. 2
It is as shown in table 2 below：
The concrete meaning and method for searching of the intelligent substation relay protection status information incidence relation of table 2
By analyzing this 9 kinds of relations it can be found that these incidence relations are mainly segmented into two classes：Linkage relationship and mutual exclusion
Relation.
Wherein in one embodiment, the incidence relation extracted between the status information, including：According to searching automatically
The mode of seeking analyzes the status information, obtains the incidence relation between the status information.
Linkage relationship：If there is linkage relationship between two status informations refers to one of information for A, another
Information is also A.
The status information with linkage relationship is typically found in and realizes that same relay protection action must in relay protection system
The link of the same type between the link for so starting or in protective relaying device.For example, when there is line-to-ground short trouble, just
Current change quantity initiating element, zero sequence excessively stream initiating element in the case of often inside protective relaying device are acted, corresponding choosing
The state of phase element and relay protective scheme relay can also change.
Wherein in one embodiment, the incidence relation extracted between the status information, including：It is according to expert
System search pattern analyzes the status information, obtains the incidence relation between the status information.
Mutex relation：If there is mutex relation between two status informations refers to one of information for A, another
For
The status information with mutex relation is commonly referred to as circuit breaker position and breaker tripping and closing position in relay protection system
Put action situation of relay etc..As under normal circumstances, breaker can be only in combined floodgate or gate-dividing state, in the absence of middle shape
State；Tripping position relay is in closing operation position relay when closing position and is necessarily in a point position.
Step S103：Analyze the relationship type of the incidence relation.In one embodiment, the analysis incidence relation
Relationship type, including：When chain between two status informations, the relationship type of the incidence relation is linkage relationship；
When mutual exclusion between two status informations, the relationship type of the incidence relation is mutex relation.For example, linkage relationship class
Type and mutex relation type are referred to as the relationship type of incidence relation.
Specifically, for the status information obtained in relay protection status information input module, associated by status information and closed
It is self study mode and the incidence relation between status information incidence relation expert system mode analyzes each status information, then sentences
It is disconnected to belong to linkage relationship or mutex relation.That is, analyzing the status information according to automatic searching mode, obtain described
Incidence relation between status information, the status information is analyzed according to expert system search pattern, obtains the status information
Between incidence relation, then judge to belong to linkage relationship or mutex relation.
Step S104：When the relationship type is preset kind, matching on-line monitoring algorithm, the on-line monitoring algorithm
The status information corresponding with the relationship type and the relationship type is associated respectively；That is, working as the relation
When type is preset kind, the on-line monitoring for matching the relationship type and the corresponding status information of the relationship type is calculated
Method.For example, the preset kind includes linkage relationship type and mutex relation type.
It is described when the relationship type is preset kind in one embodiment, match the relationship type and the relation
The on-line monitoring algorithm of the corresponding status information of type, including：Judge whether the relationship type is linkage relationship；If
It is that then to match the on-line monitoring algorithm of the relationship type and the corresponding status information of the relationship type be XOR
Algorithm.
It is described when the relationship type is preset kind in one embodiment, match the relationship type and the relation
The on-line monitoring algorithm of the corresponding status information of type, including：Judge whether the relationship type is mutex relation；If
It is that then to match the on-line monitoring algorithm of the relationship type and the corresponding status information of the relationship type be XOR
Algorithm.
Specifically, monitor algorithm on-line accordingly to the status information Auto-matching with different incidence relations, and by this
A little status informations and corresponding on-line monitoring algorithm are sent to arithmetic analysis module.Separately below introduce adaptation linkage relationship and
The on-line monitoring algorithm of mutex relation：Relay protection on-line monitoring algorithm and the relay based on mutex relation based on linkage relationship
Protection on-line monitoring algorithm.
First, the relay protection on-line monitoring algorithm based on linkage relationship
According to the characteristics of linkage relationship, if two status informations with linkage relationship occur in that relatively large deviation, can be with
Differentiate that some status information occurs in that exception.On-line monitoring can be specifically realized by constructing XOR：If have connecting
Two status information inequalities of lock relation are then output as 1, i.e. output state abnormal signal.
Assuming that having n status information x (t), x2(t) ..., xn(t) respectively with other m status information y1(t), y2
(t) ..., ymThere is linkage relationship in (t).Define normal condition vector y (t)=[y1(t) y2(t)…ym(t)] and one
Compare state vector x (t)=[x1(t) x2(t)…xn(t)]T.Define a kind of XORSo that when a is different with b
When,Then have：
Wherein,
2nd, the relay protection on-line monitoring algorithm based on mutex relation
According to the characteristics of mutex relation, if two status informations with mutex relation are not presented complementation, can differentiate
Some status information occurs in that exception.On-line monitoring specifically can be realized by constructing same or logic：If being closed with mutual exclusion
Two status informations of system are 1 or 0, then same or logic is output as 1, i.e. output state abnormal signal.
A kind of same or computing " ⊙ " of definition so that when a is identical with b, a ⊙ b=1.Then have：
Wherein,
Step S105：According to the on-line monitoring algorithm, the relationship type and the corresponding institute of the relationship type are parsed
Status information is stated, status information monitoring result is obtained.
Specifically, the result of the above-mentioned two classes algorithm of parsing, and result is fed back into on-line monitoring result output module.For
Relay protection on-line monitoring algorithm based on linkage relationship, if the i-th row of gained matrix z (t) is all 1, may determine that xi (t)
Status information exception；If the jth row of gained matrix z (t) are all 1, yj (t) status information exceptions are may determine that；Especially, if
Xi (t) and yj (t) status information exceptions, the ith row and jth column element of gained matrix z (t) are all 1 in addition to zij (t), when going out
During existing two or more status information exception, the analysis method to matrix z (t) is similar to the above.Therefore can be by searching matrix z
T in () which status information of the position judgment of nonzero element appearance there occurs exception.
Algorithm is monitored on-line for the relay protection based on mutex relation, analysis method is protected with the relay based on linkage relationship
Position judgment which shape identical described in shield on-line monitoring algorithm, again may be by that nonzero element occurs in searching matrix z (t)
State information there occurs exception.
Further, it is described according to the on-line monitoring algorithm, parse the relationship type and relationship type correspondence
The status information, obtain status information monitoring result, including：XOR vector is calculated according to the XOR algorithm
Matrix；Search for the position of nonzero element in the XOR vector matrix；According to the position of the nonzero element, the non-zero is obtained
The monitoring result of the corresponding status information in position of element.
Further, it is described according to the on-line monitoring algorithm, parse the relationship type and relationship type correspondence
The status information, obtain status information monitoring result, including：Same or vector is calculated according to the same or logical algorithm
Matrix；The position of nonzero element in the search same or vector matrix；According to the position of the nonzero element, the non-zero is obtained
The monitoring result of the corresponding status information in position of element.
Step S106：When the status information monitoring result is for exception, abnormality alarming information is sent.
Specifically, will monitor the abnormality alarming result that obtains of algorithm on-line clearly shows operation maintenance personnel, therefore O＆M
Personnel can be targetedly paid close attention in the presence of abnormal status information, and the scope of repair is locked in sends the two of the status information
In the set same link of relay protection, on-line monitoring is targetedly realized, so as to improve the efficiency of maintenance work.
Fig. 3 is referred to, the invention provides a kind of relay protection on-line monitoring system 20 based on incidence relation, this is online
Monitoring system 20 includes：State information acquisition mould 310, status information extraction module 320, analysis module 330, on-line monitoring algorithm
Matching module 340, arithmetic analysis module 350 and on-line monitoring result output module 360.
State information acquisition mould 310 is used to obtain each status information of relay protection.The module is responsible for obtaining relay guarantor
The status information of shield, and it is sent to status information incidence relation extraction module.
Status information extraction module 320 is used to extract the incidence relation between each status information.The module is mainly responsible for
Numerous and diverse incidence relation and integrated between the acquired status information of analysis, the acquisition methods of incidence relation include automatic searching and root
According to expert system search, two submodules are correspondingly corresponded to：Status information incidence relation self-learning module is associated with status information
Relations Specialist system module.
If there is linkage relationship between two status informations refers to one of information for A, another information is also
A。
The status information with linkage relationship is typically found in and realizes that same relay protection action must in relay protection system
The link of the same type between the link for so starting or in protective relaying device.For example, when there is line-to-ground short trouble, just
Current change quantity initiating element, zero sequence excessively stream initiating element in the case of often inside protective relaying device are acted, corresponding choosing
The state of phase element and relay protective scheme relay can also change.
If there is mutex relation between two status informations refers to one of information for A, another is
The status information with mutex relation is commonly referred to as circuit breaker position and breaker tripping and closing position in relay protection system
Put action situation of relay etc..As under normal circumstances, breaker can be only in combined floodgate or gate-dividing state, in the absence of middle shape
State；Tripping position relay is in closing operation position relay when closing position and is necessarily in a point position.
For the status information obtained in relay protection status information input module, by status information incidence relation self study
Module and status information incidence relation expert system module analyze each status information between incidence relation, then by incidence relation
Module is integrated to judge to belong to linkage relationship or mutex relation.
Analysis module 330 is used for the relationship type of analyzing and associating relation.The incidence relation of analysis module 330 integrates module.Should
The status information incidence relation that module is mainly responsible for obtaining is divided into two major classes：Linkage relationship and mutex relation.
On-line monitoring algorithmic match module 340 is used for when relationship type is preset kind, matching relationship type and relation
The on-line monitoring algorithm of the corresponding status information of type.The module is responsible for automatic of the status information with different incidence relations
With corresponding on-line monitoring algorithm, and these status informations and corresponding on-line monitoring algorithm are sent to arithmetic analysis module
Arithmetic analysis module 350 is used to, according to on-line monitoring algorithm, parse relationship type and the corresponding state of relationship type
Information, obtains status information monitoring result.The module is responsible for parsing the result of above-mentioned two classes algorithm, and result is fed back to online
Monitoring result output module.
On-line monitoring result output module 360 is used to, when status information monitoring result is for exception, send abnormality alarming letter
Breath.The module is responsible for that the abnormality alarming result that obtains of algorithm will be monitored on-line and clearly shows operation maintenance personnel, therefore O＆M people
Member can be targetedly paid close attention in the presence of abnormal status information, and the scope of repair is locked in sends two sets of the status information
In the same link of relay protection, on-line monitoring is targetedly realized, so as to improve the efficiency of maintenance work.
The beneficial effects of the invention are as follows：
Periodical inspection method is exempted from intelligent substation relay protection based on status information incidence relation proposed by the present invention online, from
Relay protection system Real-time Collection and on the status information sent set about, suit the spy of intelligent transformer substation information shared resources opening
Point, is highly suitable for the state estimation of intelligent substation relay protection.Meanwhile, technical solution of the present invention deeply excavates status information
Between interconnection constraint relation, status information is analyzed according to linkage relationship between each status information and mutex relation whether different
Often, rather than only leaning on single self-inspection information to judge the state of relay protection, the state of relay protection more can be comprehensively assessed,
So that the state estimation of relay protection has confidence level higher.The method need not have a power failure to primary equipment, Ke Yiti
The reliability of intelligent substation relay protection high, reduces maintenance work amoun.In addition, the present invention in the matrix form believes all kinds of states
Breath shows, and using the logical operation matrix of new definition, operation result is concise, can directly according to the unit of matrix of consequence
It is abnormal that element judges that specific which status information occurs, can be with very convenient and clearly give operation maintenance personnel offer state estimation knot
Really.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of relay protection on-line monitoring method based on incidence relation, including：
Obtain each status information of relay protection；
Extract the incidence relation between each described status information；
Analyze the relationship type of the incidence relation；
When the relationship type be preset kind when, matching on-line monitoring algorithm, the on-line monitoring algorithm respectively with the pass
Set type and the corresponding status information of the relationship type are associated；
According to the on-line monitoring algorithm, the relationship type and the corresponding status information of the relationship type are parsed, obtained
To status information monitoring result；
When the status information monitoring result is for exception, abnormality alarming information is sent.
2. the relay protection on-line monitoring method based on incidence relation according to claim 1, it is characterised in that described to obtain
The status information of relay protection is taken, including：
The information of the service behaviour and working condition that characterize relay protection each part is obtained, the status information is obtained.
3. the relay protection on-line monitoring method based on incidence relation according to claim 1, it is characterised in that described to carry
The incidence relation between the status information is taken, including：
The status information is analyzed according to automatic searching mode, the incidence relation between the status information is obtained.
4. the relay protection on-line monitoring method based on incidence relation according to claim 1, it is characterised in that described to carry
The incidence relation between the status information is taken, including：
The status information is analyzed according to expert system search pattern, the incidence relation between the status information is obtained.
5. the relay protection on-line monitoring method based on incidence relation according to claim 1, it is characterised in that described point
The relationship type of the incidence relation is analysed, including：
When chain between two status informations, the relationship type of the incidence relation is linkage relationship；
When mutual exclusion between two status informations, the relationship type of the incidence relation is mutex relation.
6. the relay protection on-line monitoring method based on incidence relation according to claim 1, it is characterised in that described to work as
When the relationship type is preset kind, match the relationship type and the corresponding status information of the relationship type
Line monitoring algorithm, including：
Judge whether the relationship type is linkage relationship；
If so, the on-line monitoring algorithm for then matching the relationship type and the corresponding status information of the relationship type is different
Or logical algorithm.
7. the relay protection on-line monitoring method based on incidence relation according to claim 6, it is characterised in that described
According to the on-line monitoring algorithm, the relationship type and the corresponding status information of the relationship type are parsed, obtain state
Information monitoring result, including：
XOR vector matrix is calculated according to the XOR algorithm；
Search for the position of nonzero element in the XOR vector matrix；
According to the position of the nonzero element, the monitoring result of the corresponding status information in position of the nonzero element is obtained.
8. the relay protection on-line monitoring method based on incidence relation according to claim 1, it is characterised in that described to work as
When the relationship type is preset kind, match the relationship type and the corresponding status information of the relationship type
Line monitoring algorithm, including：
Judge whether the relationship type is mutex relation；
If so, the on-line monitoring algorithm for then matching the relationship type and the corresponding status information of the relationship type is different
Or logical algorithm.
9. the relay protection on-line monitoring method based on incidence relation according to claim 8, it is characterised in that described
According to the on-line monitoring algorithm, the relationship type and the corresponding status information of the relationship type are parsed, obtain state
Information monitoring result, including：
Same or vector matrix is calculated according to the same or logical algorithm；
The position of nonzero element in the search same or vector matrix；
According to the position of the nonzero element, the monitoring result of the corresponding status information in position of the nonzero element is obtained.
10. a kind of relay protection on-line monitoring system based on incidence relation, it is characterised in that including：
State information acquisition module, the state information acquisition module is used to obtain each status information of relay protection；
Status information extraction module, the association that the status information extraction module is used to extract between each described status information is closed
System；
Analysis module, the analysis module is used to analyze the relationship type of the incidence relation；
On-line monitoring algorithmic match module, the on-line monitoring algorithmic match module is used for when the relationship type is preset kind
When, match the on-line monitoring algorithm of the relationship type and the corresponding status information of the relationship type；
Arithmetic analysis module, the arithmetic analysis module is used for according to the on-line monitoring algorithm, parse the relationship type and
The corresponding status information of the relationship type, obtains status information monitoring result；
On-line monitoring result output module, the on-line monitoring result output module for being when the status information monitoring result
When abnormal, abnormality alarming information is sent.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109286534A (en) * | 2017-07-20 | 2019-01-29 | 北京国双科技有限公司 | Service monitoring method and device |
| CN110112696A (en) * | 2019-04-11 | 2019-08-09 | 广东电网有限责任公司 | A kind of station end method of discrimination of intelligent substation defencive function state |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005736A (en) * | 2010-11-24 | 2011-04-06 | 浙江电力调度通信中心 | On-line monitoring method of state of relay protection equipment |
| CN102647026A (en) * | 2012-04-24 | 2012-08-22 | 上海毅昊自动化有限公司 | System for visually dynamically monitoring running state of relay protector |
| JP2013164731A (en) * | 2012-02-10 | 2013-08-22 | Toshiba Corp | Electric power substation automation system and automatic recognition method for terminal |
| CN105049282A (en) * | 2015-07-07 | 2015-11-11 | 中国南方电网有限责任公司 | Intelligent relay protection device control overhauling method based on on-line monitoring information |
-
2016
- 2016-12-26 CN CN201611218341.1A patent/CN106845652B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102005736A (en) * | 2010-11-24 | 2011-04-06 | 浙江电力调度通信中心 | On-line monitoring method of state of relay protection equipment |
| JP2013164731A (en) * | 2012-02-10 | 2013-08-22 | Toshiba Corp | Electric power substation automation system and automatic recognition method for terminal |
| CN102647026A (en) * | 2012-04-24 | 2012-08-22 | 上海毅昊自动化有限公司 | System for visually dynamically monitoring running state of relay protector |
| CN105049282A (en) * | 2015-07-07 | 2015-11-11 | 中国南方电网有限责任公司 | Intelligent relay protection device control overhauling method based on on-line monitoring information |
Non-Patent Citations (2)
| Title |
|---|
| GAO XU 等: "Research and Application of Monitoring Online System for Relay", 《2016ICSGEA》 * |
| 张旭 等: "一种用于电网故障诊断的遥信信息解析方法", 《中国电机工程学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109286534A (en) * | 2017-07-20 | 2019-01-29 | 北京国双科技有限公司 | Service monitoring method and device |
| CN110112696A (en) * | 2019-04-11 | 2019-08-09 | 广东电网有限责任公司 | A kind of station end method of discrimination of intelligent substation defencive function state |
| CN110112696B (en) * | 2019-04-11 | 2021-03-02 | 广东电网有限责任公司 | Station side discrimination method for protection function state of intelligent substation |
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|---|---|
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