CN103066572B - Based on relaying protection on-line monitoring method and the device of protecting communication system - Google Patents
Based on relaying protection on-line monitoring method and the device of protecting communication system Download PDFInfo
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- CN103066572B CN103066572B CN201210532427.7A CN201210532427A CN103066572B CN 103066572 B CN103066572 B CN 103066572B CN 201210532427 A CN201210532427 A CN 201210532427A CN 103066572 B CN103066572 B CN 103066572B
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Abstract
The invention discloses a kind of relaying protection on-line monitoring method based on protecting communication system, comprising: by protecting the monitoring information class quantity of state of communication system Real-time Obtaining protective relaying device; According to the described monitoring information class quantity of state obtained, the running status of protective relaying device is marked; According to described appraisal result and the default state grade criteria for classifying, judge the state grade of protective relaying device; According to the described state grade judged, corresponding operation is performed to protective relaying device.In addition, a kind of relaying protection on-Line Monitor Device based on protecting communication system is also disclosed.The present invention, by protecting the monitoring information class quantity of state of communication system Real-time Obtaining protective relaying device, can grasp the actual motion state of protective relaying device in real time, make monitoring result more press close to truth, improve accuracy.In addition, real-time of the present invention is higher, and can realize automatic monitoring, efficiency improves greatly.
Description
Technical field
The present invention relates to protective relaying device technical field, particularly relating to a kind of based on protecting the relaying protection on-line monitoring method of communication system and a kind of relaying protection on-Line Monitor Device based on protecting communication system.
Background technology
A very important link in protecting electrical power system to the monitoring of protective relaying device running status.At present, general relaying protection monitoring method can reflect the part operation conditions of relay protection device to a certain extent, but specific aim and comprehensive in also there is a little weak point.Such as " performance factor " monitoring method is defined by total action frequency of protective relaying device of adding up and correct operation number of times wherein with in certain time limit (such as 1 year): performance factor=(correct operation number of times/always action frequency) × 100%.This monitoring method is very low at the failure-frequency of protected object, or when there is not internal fault within this statistics time limit, its performance factor is often very low at all, may be even zero.If but relay protection device subjected to that many times external area error impacts and do not produce malfunction time, this monitoring method can not reflect this situation, and the poor-performing causing it to be mistaken as relaying protection setting, therefore very inaccurate.In sum, and rational relaying protection monitoring method accurate in the urgent need to one at present.
Summary of the invention
Based on this, the invention provides a kind of based on protecting the relaying protection on-line monitoring method of communication system and a kind of relaying protection on-Line Monitor Device based on protecting communication system.
Based on the relaying protection on-line monitoring method protecting communication system, comprise the following steps:
By protecting the monitoring information class quantity of state of communication system Real-time Obtaining protective relaying device;
According to the described monitoring information class quantity of state obtained and the weight coefficient of presetting, adopt the dual scoring model of classification scoring and overall scoring, the running status of protective relaying device is marked;
According to described appraisal result and the default state grade criteria for classifying, judge the state grade of protective relaying device, when the result of described classification scoring is higher than threshold value, does not carry out entirety scoring, directly judge that the state grade of protective relaying device is abnormality;
According to the described state grade judged, corresponding operation is performed to protective relaying device.
Compared with general technology; the present invention is based on the relaying protection on-line monitoring method protecting communication system; by protecting the monitoring information class quantity of state of communication system Real-time Obtaining protective relaying device; the actual motion state of protective relaying device can be grasped in real time; make monitoring result more press close to truth, improve accuracy.In addition, real-time of the present invention is higher, and can realize automatic monitoring, efficiency improves greatly.
Based on a relaying protection on-Line Monitor Device of protecting communication system, comprise acquisition module, grading module, grade judge module and Executive Module;
Described acquisition module, for the monitoring information class quantity of state by protecting communication system Real-time Obtaining protective relaying device;
Institute's scoring module, for according to the described monitoring information class quantity of state obtained and the weight coefficient of presetting, adopts the dual scoring model of classification scoring and overall scoring, marks to the running status of protective relaying device;
Described grade judge module, for according to described appraisal result and the default state grade criteria for classifying, judge the state grade of protective relaying device, when the result of described classification scoring is higher than threshold value, do not carry out entirety scoring, directly judge that the state grade of protective relaying device is abnormality;
Described Executive Module, for according to the described state grade judged, performs corresponding operation to protective relaying device.
Compared with general technology; the present invention is based on the relaying protection on-Line Monitor Device of protecting communication system; by protecting the monitoring information class quantity of state of communication system Real-time Obtaining protective relaying device; the actual motion state of protective relaying device can be grasped in real time; make monitoring result more press close to truth, improve accuracy.In addition, real-time of the present invention is higher, and can realize automatic monitoring, efficiency improves greatly.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet that the present invention is based on the relaying protection on-line monitoring method protecting communication system;
Fig. 2 is that the scoring of protective relaying device running status triggers schematic diagram;
Fig. 3 is the structural representation that the present invention is based on the relaying protection on-Line Monitor Device of protecting communication system.
Embodiment
For further setting forth the technological means that the present invention takes and the effect obtained, below in conjunction with accompanying drawing and preferred embodiment, to technical scheme of the present invention, carry out clear and complete description.
Refer to Fig. 1, for the present invention is based on the schematic flow sheet of the relaying protection on-line monitoring method protecting communication system.The present invention is based on the relaying protection on-line monitoring method protecting communication system, comprise the following steps:
S101 is by protecting the monitoring information class quantity of state of communication system Real-time Obtaining protective relaying device;
As one of them embodiment, described monitoring information class quantity of state is divided into monitoring information Regularia quantity of state, physical message Regularia quantity of state and Expert Rules class quantity of state according to Data Source.
The various amount that can characterize protective relaying device state, is divided into following a few class according to Data Source difference:
Monitoring information Regularia: monitoring information evaluation rule is the rule that a class is evaluated equipment real time data, the data that on-line monitoring is collected can find corresponding rule to evaluate in monitoring information evaluation rule.The self-checking alarming of the main monitoring and protecting of system and action.
Physical message Regularia: the rule that every Test Information, operational inspection information are evaluated.This type of Bye-Law to Rule is more fixing, and trigger data is also rely on manual entry, and rule definition is relatively simple.
Expert Rules class: Expert Rules carries out mainly for familial defect the rule evaluated, and the feature of this rule-like has uncertainty, also needs professional to be confirmed whether to evaluate equipment after being triggered.Such as, have two device trigger same Expert Rules, but expert analyze in conjunction with actual conditions after may one carry out scoring operation, another just have ignored this rule.
Wherein monitoring information class quantity of state obtains by protecting communication system, can grasp the state magnitude of the protective relaying device of the whole network on-line operation in real time, then mark according to its value.
S102, according to the described monitoring information class quantity of state obtained, marks to the running status of protective relaying device;
As one of them embodiment, according to described monitoring information Regularia quantity of state, described physical message Regularia quantity of state and described Expert Rules class quantity of state, classification scoring is carried out to protective relaying device respectively;
Sue for peace after the result of described classification scoring is multiplied with the weight coefficient preset respectively, obtain the appraisal result to protective relaying device.
Such as can adopt the dual scoring model of classification scoring and overall scoring, adopt bonus point system.
Classification scoring refers to marks respectively by monitoring information Regularia, physical message Regularia, Expert Rules class respectively, if the scoring of certain rule-like has exceeded threshold values, will not carry out entirety scoring, and directly be judged as unit exception, and need maintenance.
Overall scoring refers to the overall merit to Whole Equipment maintenance urgency: according to partial status evaluation result, and bound fraction evaluation, to the influence degree of Whole Equipment function, adopts suitable algorithm to draw Whole Equipment maintenance urgency grade.Such as, can mark according to following table.
| Numbering | Rule type | Weight proportion |
| A | Monitoring information Regularia | 60％ |
| B | Physical message Regularia | 20％ |
| C | Expert Rules class | 20％ |
As one of them embodiment, corresponding to described monitoring information Regularia quantity of state, described physical message Regularia quantity of state and described Expert Rules class quantity of state, the weight coefficient of appraisal result is respectively 60%, 20% and 20%.
Maintenance urgency=(A × 60%)+(B × 20%)+(C × 20%).
Refer to Fig. 2, for the scoring of protective relaying device running status triggers schematic diagram.When action shown in protective relaying device generation figure, start the scoring to it.
S103, according to described appraisal result and the default state grade criteria for classifying, judges the state grade of protective relaying device;
As one of them embodiment, according to the difference of maintenance urgency, equipment state is divided into normal condition, attention state, abnormality, severe conditions four class.Adopt deduction of points system, initial score value 100 points, divide if described appraisal result is 0-10, PTS then divides for 90-100, then judge that protective relaying device is normal condition;
Divide if described appraisal result is 11-20, PTS then divides for 80-89, then judge that protective relaying device is attention state;
Divide if described appraisal result is 21-30, PTS then divides for 70-79, then judge that protective relaying device is abnormality.
If described appraisal result is more than 30 points, PTS is then 70 is following, then judge that protective relaying device is severe conditions.
| State | Normal condition | Attention state | Abnormality | Severe conditions |
| The deduction of points of maintenance urgency | 0～10 | 11～20 | 21～30 | More than 30 |
| PTS | 90～100 | 80～89 | 70～79 | Less than 70 |
S104, according to the described state grade judged, performs corresponding operation to protective relaying device.
According to the described state grade judged, corresponding operation can be performed to protective relaying device.Such as, corresponding inspection operation is performed.Also according to the state grade judged, the early warning of protective relaying device Maintenance and Repair can be sent, and propose maintenance suggestion.
Compared with general technology; the present invention is based on the relaying protection on-line monitoring method protecting communication system; by protecting the monitoring information class quantity of state of communication system Real-time Obtaining protective relaying device; the actual motion state of protective relaying device can be grasped in real time; make monitoring result more press close to truth, improve accuracy.In addition, real-time of the present invention is higher, and can realize automatic monitoring, efficiency improves greatly.
Importing monitoring information class quantity of state by protecting communication system, the actual motion state of protective relaying device can be grasped in real time, make monitoring result more press close to truth.
Use the evaluation algorithms of Real-time Monitoring Data to compare human at periodic intervals to evaluate, the cycle is shorter, and real-time is higher, Assessment process, and efficiency improves greatly, is conducive in time and the on-the-spot defect elimination work of arranged rational.
Use the scoring item of the abundant characterization apparatus state of energy to reach the tens of item of three classes, the every weight drawn by a large amount of field data statistical testing of business cycles, can guarantee that monitoring result is more accurate.
The present invention possesses the features such as opening, comprehensive, logicality and study, constantly can improve every operational model and weight, finally reach satisfied opinion on evaluation result by accumulation opinion on evaluation data.
Refer to Fig. 3, for the present invention is based on the structural representation of the relaying protection on-Line Monitor Device of protecting communication system.The present invention is based on the relaying protection on-Line Monitor Device of protecting communication system, comprise acquisition module 301, grading module 302, grade judge module 303 and Executive Module 304;
Described acquisition module 301, for the monitoring information class quantity of state by protecting communication system Real-time Obtaining protective relaying device;
As one of them embodiment, described monitoring information class quantity of state is divided into monitoring information Regularia quantity of state, physical message Regularia quantity of state and Expert Rules class quantity of state according to Data Source.
Monitoring information class quantity of state obtains by protecting communication system, can grasp the state magnitude of the protective relaying device of the whole network on-line operation in real time, then mark according to its value.
Institute's scoring module 302, for according to the described monitoring information class quantity of state obtained, marks to the running status of protective relaying device;
As one of them embodiment, institute's scoring module 302 comprises classification grading module and summation module;
Described classification grading module, for carrying out classification scoring according to described monitoring information Regularia quantity of state, described physical message Regularia quantity of state and described Expert Rules class quantity of state to protective relaying device respectively;
Described summation module, sues for peace, obtains the appraisal result to protective relaying device after the result of described classification scoring being multiplied with the weight coefficient preset respectively.
Such as can adopt the dual scoring model of classification scoring and overall scoring, adopt bonus point system.
Classification scoring refers to marks respectively by monitoring information Regularia, physical message Regularia, Expert Rules class respectively, if the scoring of certain rule-like has exceeded threshold values, will not carry out entirety scoring, and directly be judged as unit exception, and need maintenance.
Overall scoring refers to the overall merit to Whole Equipment maintenance urgency: according to partial status evaluation result, and bound fraction evaluation, to the influence degree of Whole Equipment function, adopts suitable algorithm to draw Whole Equipment maintenance urgency grade.
As one of them embodiment, corresponding to described monitoring information Regularia quantity of state, described physical message Regularia quantity of state and described Expert Rules class quantity of state, the weight coefficient of appraisal result is respectively 60%, 20% and 20%.
Described grade judge module 303, for according to described appraisal result and the default state grade criteria for classifying, judges the state grade of protective relaying device;
As one of them embodiment, described according to described appraisal result and the default state grade criteria for classifying, adopt deduction of points system, initial score value 100 points, divide if described appraisal result is 0-10, PTS then divides for 90-100, then judge that protective relaying device is normal condition;
Divide if described appraisal result is 11-20, PTS then divides for 80-89, then judge that protective relaying device is attention state;
Divide if described appraisal result is 21-30, PTS then divides for 70-79, then judge that protective relaying device is abnormality.
If described appraisal result is more than 30 points, PTS is then 70 is following, then judge that protective relaying device is severe conditions.
Described Executive Module 304, for according to the described state grade judged, performs corresponding operation to protective relaying device.
According to the described state grade judged, to protective relaying device, different maintenance suggestion can be proposed.Such as, the local overhauling operation of specifying or the whole interruption maintenance of relevant apparatus is performed.
Compared with general technology; the present invention is based on the relaying protection on-Line Monitor Device of protecting communication system; by protecting the monitoring information class quantity of state of communication system Real-time Obtaining protective relaying device; the actual motion state of protective relaying device can be grasped in real time; make monitoring result more press close to truth, improve accuracy.In addition, real-time of the present invention is higher, and can realize automatic monitoring, efficiency improves greatly.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1., based on the relaying protection on-line monitoring method protecting communication system, it is characterized in that, comprise the following steps:
By protecting the monitoring information class quantity of state of communication system Real-time Obtaining protective relaying device;
According to the described monitoring information class quantity of state obtained and the weight coefficient of presetting, adopt the dual scoring model of classification scoring and overall scoring, the running status of protective relaying device is marked;
According to described appraisal result and the default state grade criteria for classifying, judge the state grade of protective relaying device, when the result of described classification scoring is higher than threshold value, does not carry out entirety scoring, directly judge that the state grade of protective relaying device is abnormality;
According to the described state grade judged, corresponding operation is performed to protective relaying device.
2. the relaying protection on-line monitoring method based on protecting communication system according to claim 1; it is characterized in that; in the step of the described monitoring information class quantity of state by protecting communication system Real-time Obtaining protective relaying device, described monitoring information class quantity of state is divided into monitoring information Regularia quantity of state, physical message Regularia quantity of state and Expert Rules class quantity of state according to Data Source.
3. the relaying protection on-line monitoring method based on protecting communication system according to claim 2, it is characterized in that, described step of marking to the running status of protective relaying device, comprises the following steps:
According to described monitoring information Regularia quantity of state, described physical message Regularia quantity of state and described Expert Rules class quantity of state, classification scoring is carried out to protective relaying device respectively;
Sue for peace after the result of described classification scoring is multiplied with the weight coefficient preset respectively, obtain the appraisal result to protective relaying device.
4. the relaying protection on-line monitoring method based on protecting communication system according to claim 3; it is characterized in that; carry out in the step of suing for peace after described result of described classification being marked is multiplied with the weight coefficient preset respectively, corresponding to described monitoring information Regularia quantity of state, described physical message Regularia quantity of state and described Expert Rules class quantity of state, the weight coefficient of appraisal result is respectively 60%, 20% and 20%.
5. the relaying protection on-line monitoring method based on protecting communication system according to claim 1, is characterized in that, described according to described appraisal result and the default state grade criteria for classifying, judges the step of the state grade of protective relaying device, comprises the following steps:
If must being divided into of described appraisal result is greater than 90 points, then judge that protective relaying device is normal condition;
If must being divided into of described appraisal result is more than or equal to 80 points and is less than 89 points, then judge that protective relaying device is attention state;
If must being divided into of described appraisal result is more than or equal to 70 points and is less than 79 points, then judge that protective relaying device is abnormality;
If must being divided into of described appraisal result is less than 70 points, then judge that protective relaying device is severe conditions.
6., based on a relaying protection on-Line Monitor Device of protecting communication system, it is characterized in that, comprise acquisition module, grading module, grade judge module and Executive Module;
Described acquisition module, for the monitoring information class quantity of state by protecting communication system Real-time Obtaining protective relaying device;
Institute's scoring module, for according to the described monitoring information class quantity of state obtained and the weight coefficient of presetting, adopts the dual scoring model of classification scoring and overall scoring, marks to the running status of protective relaying device;
Described grade judge module, for according to described appraisal result and the default state grade criteria for classifying, judge the state grade of protective relaying device, when the result of described classification scoring is higher than threshold value, do not carry out entirety scoring, directly judge that the state grade of protective relaying device is abnormality;
Described Executive Module, for according to the described state grade judged, performs corresponding operation to protective relaying device.
7. the relaying protection on-Line Monitor Device based on protecting communication system according to claim 6; it is characterized in that, described monitoring information class quantity of state is divided into monitoring information Regularia quantity of state, physical message Regularia quantity of state and Expert Rules class quantity of state according to Data Source.
8. the relaying protection on-Line Monitor Device based on protecting communication system according to claim 7, is characterized in that, institute's scoring module comprises classification grading module and summation module;
Described classification grading module, for carrying out classification scoring according to described monitoring information Regularia quantity of state, described physical message Regularia quantity of state and described Expert Rules class quantity of state to protective relaying device respectively;
Described summation module, sues for peace, obtains the appraisal result to protective relaying device after the result of described classification scoring being multiplied with the weight coefficient preset respectively.
9. the relaying protection on-Line Monitor Device based on protecting communication system according to claim 8; it is characterized in that, corresponding to described monitoring information Regularia quantity of state, described physical message Regularia quantity of state and described Expert Rules class quantity of state, the weight coefficient of appraisal result is respectively 60%, 20% and 20%.
10. the relaying protection on-Line Monitor Device based on protecting communication system according to claim 6, it is characterized in that, if must being divided into of described appraisal result is greater than 90 points, then described grade judge module judges that protective relaying device is normal condition;
If must being divided into of described appraisal result is more than or equal to 80 points and is less than 89 points, then described grade judge module judges that protective relaying device is attention state;
If must being divided into of described appraisal result is more than or equal to 70 points and is less than 79 points, then described grade judge module judges that protective relaying device is abnormality;
If must being divided into of described appraisal result is less than 70 points, then described grade judge module judges that protective relaying device is severe conditions.
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| CN103823433B (en) * | 2014-01-08 | 2015-01-21 | 国家电网公司 | Method for realizing relay protection equipment on-line monitoring by use of communication process analysis |
| CN104850482A (en) * | 2014-08-25 | 2015-08-19 | 国家电网公司 | Host equipment state detection method and device |
| CN104375922A (en) * | 2014-11-13 | 2015-02-25 | 国家电网公司 | Detection method and device for electric power information system |
| CN105139294A (en) * | 2015-09-23 | 2015-12-09 | 国网山西省电力公司大同供电公司 | Power transmission and transformation device state evaluation method based on electrification detection |
| CN108648434A (en) * | 2018-07-10 | 2018-10-12 | 中国南方电网有限责任公司超高压输电公司南宁局 | A kind of relay protection action message remote transmitting system and teletransmission method |
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| CN102663565A (en) * | 2012-04-24 | 2012-09-12 | 辽宁省电力有限公司抚顺供电公司 | Secondary device status maintenance and evaluation system |
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| JP3577540B2 (en) * | 1999-02-08 | 2004-10-13 | 株式会社日立製作所 | Power system accident facility estimation method |
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| CN102222276A (en) * | 2011-05-16 | 2011-10-19 | 广东电网公司深圳供电局 | State maintenance method and device for secondary equipment of power grid |
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Address after: 528011 No. 1 South Fenjiang Road, Chancheng District, Guangdong, Foshan Co-patentee after: Shanghai Tuosen Information Science & Technology Co., Ltd. Patentee after: FOSHAN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID CORPORATION Address before: 528000 Fenjiang South Road, Chancheng District, Guangdong, No. 1, No. Co-patentee before: Shanghai Tuosen Information Science & Technology Co., Ltd. Patentee before: Foshan Power Supply Bureau, Guangdong Power Grid Corporation |