CN108732444A - Intelligent substation protects equipment running status apparatus for evaluating and maintenance decision method - Google Patents
Intelligent substation protects equipment running status apparatus for evaluating and maintenance decision method Download PDFInfo
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- CN108732444A CN108732444A CN201810530998.4A CN201810530998A CN108732444A CN 108732444 A CN108732444 A CN 108732444A CN 201810530998 A CN201810530998 A CN 201810530998A CN 108732444 A CN108732444 A CN 108732444A
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention discloses intelligent substations to protect equipment running status apparatus for evaluating,End protection equipment patrolling device of standing includes the 1st Signal interface module,2nd Signal interface module,3rd Signal interface module,Signal decoder module,Time synchronization module,Information coding module,It stands end human-computer interaction module,Characteristic preprocessing module,Inspection reporting modules,It includes Signal interface module that main station side, which protects equipment evaluation device,,Main station side human-computer interaction module,Signal correction module,Assess computing module,O&M maintenance auxiliary policy module,The invention also discloses intelligent substations to protect overhaul of the equipments decision-making technique,The present invention bases oneself upon intelligent substation protection equipment alarm,Abnormal Deformation,Action,The operation datas such as on-line monitoring,It is horizontal that protection equipment running status is provided in time,Convenient for reasonable arrangement repair schedule,Overhaul of the equipments reference can be provided for protection equipment repair and maintenance unit,Change periodic inspection is repair based on condition of component.
Description
Technical field
The present invention relates to intelligent substation technical fields, and in particular to intelligent substation protects equipment running status assessment dress
It sets, further relates to intelligent substation protection overhaul of the equipments decision-making technique.
Background technology
Relay protection device monitoring running state lacks practical application at present, and general obtained by the way of periodic inspection is set
Standby defect information, and the stage of offline evaluation is stayed in, instruct the practical application of relay protection profession to also have certain distance,
The middle most important factor for restricting practical application is can not to carry out short-term on-line early warning using the relay protection data obtained in real time,
Therefore in order to improve the monitoring to relay protection device operating status and early warning, research is based on real time data and short-term history data
It is one important research direction of relay protection device to be monitored early warning to relay protection device operating status.
Relay protection device operating condition, health status evaluation are based on manual input unit status information more at present, pass through
Prolonged data accumulation periodically offline assesses equipment operating condition, provides qualitatively assessment and suggests.Using artificial defeated
The method entered is easy error, while the difference that various regions personnel understand evaluation criterion more, and the quality of source data can all be caused to occur
Problem, the objectivity of impact evaluation result.With the size expansion and application of intelligent substation, relay protection device and its correlation
Combining unit, intelligent terminal realize networking light digital communication, to intelligent substation relay protection online operating mode supervise
It surveys and provides good technical foundation with assessment.
Invention content
For above-mentioned deficiency present in currently available technology, the present invention provides intelligent substation protection equipment to run shape
State apparatus for evaluating additionally provides intelligent substation protection overhaul of the equipments decision-making technique, according in protection equipment day inspection report
Alarm, Abnormal Deformation, action and online monitoring data are carried out quantitatively evaluating protection equipment running status, are supplied with a variety of decision rules
Equipment O&M repair schedule is protected with reference to formulating.For this purpose, the present invention takes following technical scheme：
Intelligent substation protects equipment running status apparatus for evaluating, including station end to protect equipment patrolling device, further includes main station side
Equipment evaluation device is protected,
End protection equipment patrolling device of standing protects equipment for regular visit intelligent substation, forms station end and protects the inspection of equipment day
Report, and main station side is uploaded to by electric power data network and protects equipment evaluation device,
Main station side protects equipment evaluation device for receiving station's end protection equipment day inspection report, and protects equipment day according to station end
Inspection report carries out quantitative evaluation to station end protection equipment by setting rule, operating status health evaluating value is obtained, according to protection
Equipment running status health evaluating value provides protection equipment O&M and overhauls aid decision.
Protection equipment patrolling device in station end as described above includes the 1st Signal interface module, the 2nd Signal interface module, the 3rd
Signal interface module, signal decoder module, time synchronization module, information coding module, stand end human-computer interaction module, characteristic
Preprocessing module, inspection reporting modules,
1st Signal interface module is used for access station control layer network, and protection equipment through MMS message interactions；
2nd Signal interface module forms this Goblin for accessing intelligent substation clock synchronization signal after time synchronization module synchronization
True time, local precise time provide precise time information to signal decoder module, inspection reporting modules；
3rd Signal interface module periodically protects the station end after Signal coding module is encoded for accessing electric power data network
Shield equipment day inspection report is transmitted to main station side protection equipment evaluation device；
Protect the model of equipment running status characteristic in the station end that signal decoder module is used to be arranged according to human-computer interaction module
Mapping, the MMS messages of parsing the 1st signaling interface acquisition simultaneously obtain protection equipment running status characteristic,
Signal coding module after the end protection equipment day inspection report coding that will stand for being sent to the 3rd Signal interface module；
Human-computer interaction module is mapped for importing SCD file, the model of setting station end protection equipment running status characteristic, also
The equipment regular visit time is protected for being arranged,
Characteristic preprocessing module is used to, to protecting equipment running status characteristic, be classified and count acquisition statistics and tied
Fruit,
Inspection reporting modules, it is the protection equipment regular visit time for being set according to human-computer interaction module, characteristic is pre-
The statistical result of processing module encloses local precise time, forms the protection equipment day inspection of station end and reports and store.
Main station side protection equipment evaluation device as described above include Signal interface module, main station side human-computer interaction module,
Signal correction module, assessment computing module, O&M maintenance auxiliary policy module,
Signal interface module is for accessing electric power data network, the station end protection that regular receiving station end protection equipment patrolling device is sent
The inspection report of equipment day；
Signal correction module is used to repair the correctness of protection device action data in the protection equipment day inspection report of station end
The positive protection equipment malfunction that obtains makees data；
The assessment models and assessment rule that assessment computing module is set according to main station side human-computer interaction module carry out operation, are transported
Row state health evaluating value also summarizes operation the whole network protection equipment running status health evaluating value；
O&M maintenance auxiliary policy module is used to, according to operating status health evaluating value, provide protection equipment O&M maintenance auxiliary and determine
Plan.
Intelligent substation protects overhaul of the equipments decision-making technique, includes the following steps：
Step 1, as unit of substation, every protection in nearest one week is extracted in the protection equipment day inspection report of slave station end
The protection equipment alarm data of equipment, protection unit exception displacement data, protection equipment on-line monitoring data, protection equipment malfunction
Make data；
Step 2, as unit of protecting single equipment in substation, according to protection equipment protection equipment alarm data whether belong to
Equipment fault class, and the number of protection equipment alarm Data duplication is protected to obtain alarm data deduction value；
Step 3, as unit of protecting single equipment in substation, according to protection equipment on-line monitoring data in protection equipment it is straight
Galvanic electricity pressure, unit temp, optical port send light intensity, difference stream obtains online monitoring data deduction with the comparison result of corresponding threshold value
Value；
Step 4, as unit of protecting single equipment in substation, according to protection unit exception conjugate data number of repetition obtain
Abnormal Deformation deduction value；
Step 5, as unit of protecting single equipment in substation, according to protection equipment malfunction make data number obtain protection set
Standby operating status health evaluating value Srelay；
Step 6, as unit of substation, according to the operating status health evaluating of the protective device of different voltages grade in substation
Value is weighted total operating status health evaluating value Ssub that processing obtains transforming plant protecting device；
Step 7 exists according to same model, the protection equipment of same software version number in power grid and equipment malfunction is protected to be obtained as data
Total operating status health evaluating value Si of same model, the protection equipment of same software version number in power grid is obtained,
Step 8, according to the operating status health evaluating value Srelay of each protection equipment, provide " without arranging maintenance and defect elimination
Processing " either " it is recommended that defect elimination is handled " or " it is recommended that arranging maintenance " prompt；
According to total operating status health evaluating value Ssub, provide " without arranging maintenance and defect elimination processing " or " it is recommended that master station disappears
Lack processing " or " it is recommended that total station arrangement overhauls " prompt；
According to total operating status health evaluating value Si of same model, the protection equipment of same software version number in power grid, provide
" without arranging maintenance and defect elimination processing " either " suggest unified arrange defect elimination processing " or " suggest unified arrangement is arranged to overhaul "
Prompt.
Step 2 as described above includes the following steps：
Step 2.1, alarm data deduction value are initially 0, and new protection equipment alarm is generated to the protection equipment in nearest one week
Data operation one by one,
It such as protects equipment alarm data to belong to protection equipment fault class, and does not repeat, then alarm data deduction value increases by 2, such as protects
Shield equipment alarm data belong to protection equipment fault class, and number of repetition is n, n >=2, then alarm data deduction value increase by 2n-1；
If protection equipment alarm data are not belonging to protection equipment fault class, and do not repeat, then alarm data deduction value increases by 1,
If protection equipment alarm data are not belonging to protection equipment fault class, and number of repetition is n, n >=2, then alarm data deduction value
Increase by 2n-1,
The protection equipment alarm data operation repeated is primary,
The threshold limit value of alarm data deduction value is set by main station side human-computer interaction module.
Step 3 as described above includes the following steps：
Step 3.1, online monitoring data deduction value, DC voltage deduction value, temperature deduction value, optical port send light intensity deduction value,
The initial value of difference stream deduction value is 0,
If the protection equipment DC voltage of protection equipment protected in equipment on-line monitoring data is less than 2% in nearest one week
Normal value m times, then DC voltage deduction value increase by 2m-1Point, it is higher than 1% normal value j times, then DC voltage deduction value increases by 2j-1
Point, the threshold limit value of DC voltage deduction value is 10 points, and the threshold limit value of DC voltage deduction value is through main station side human-computer interaction mould
Block is arranged, and m, j are the natural number more than or equal to 1；
If step 3.2, the unit temp in nearest one week in the protection equipment on-line monitoring data of protection equipment are higher than 20% temperature
Threshold value k times is spent, then temperature deduction value increases by 2k-1Point, the threshold limit value of temperature deduction value is arranged through main station side human-computer interaction module,
K is the natural number more than or equal to 1；
If step 3.3, the optical port in nearest one week in the protection equipment on-line monitoring data of protection equipment send light intensity and are higher than
3.5% optical port sends light intensity normal value L times, then subtracts 2L-1Point, optical port sends light intensity and sends light intensity normal value p times less than 5% optical port,
Then optical port sends light intensity deduction value increase by 2p-1Point, optical port sends light intensity deduction value threshold limit value through main station side human-computer interaction module
Setting, L, p are the natural number more than or equal to 1；
If step 3.4, the difference stream assessment for being related to protection of equipment：
And the protection equipment a reference value for protecting the difference stream in the protection equipment on-line monitoring data of equipment to be higher than r times 20%, then it is poor
It flows deduction value and increases by 2r-1Point, difference stream deduction value threshold limit value through main station side human-computer interaction module be arranged, r be more than or equal to 1 from
So number；
Online monitoring data deduction value=DC voltage deduction value+temperature deduction value+optical port sends light intensity deduction value+difference and flows deduction
Value,
If not being related to protection of the difference stream assessment of equipment：
Online monitoring data deduction value=（DC voltage deduction value+temperature deduction value+optical port sends light intensity deduction value）× conversion system
Number,
Conversion factor=being related to protection of the online monitoring data deduction value threshold limit value in the case of the difference stream assessment of equipment/is not related to
The online monitoring data deduction value threshold limit value in the case of the difference stream assessment of equipment is protected,
It is related to protection of the poor online monitoring data deduction value threshold limit value flowed in the case of assessing of equipment, is not related to protection of equipment
Online monitoring data deduction value threshold limit value in the case of difference stream assessment is set by main station side human-computer interaction module.
Step 4 as described above includes the following steps：
Step 4.1, Abnormal Deformation deduction value initial value be 0, if nearest one week in protect equipment generation one newly do not weigh
Multiple Abnormal Deformation data, Abnormal Deformation deduction value increase by 1 point；
If step 4.2, protection equipment generates q new protection unit exception displacement data, Abnormal Deformation in nearest one week
Deduction value increases by 2q-1Point, wherein q is the natural number more than 1；
Step 4.3, the threshold limit value of Abnormal Deformation deduction value are 15 points, and the maximum limitation of Abnormal Deformation deduction value can be through main station side
Human-computer interaction module is set.
Step 5 as described above includes the following steps：
If there is no protection equipment malfunctions to make data for step 5.1, protection equipment, the operating status of protection equipment in nearest one week
Health evaluating value Srelay=100- alarm datas deduction value-online monitoring data deduction value-Abnormal Deformation deduction value；
If step 5.2, protection equipment have protection equipment malfunction and makees data, the operating status health evaluating value of equipment is protected
Srelay = 0；
The step 6 includes the following steps：
If there is protection equipment malfunction and make data in less than two step 6.1, substation protection equipment,
Then total operating status health evaluating value Ssub of transforming plant protecting device=(Slevel1 * I1+Slevel2 *
I2+Sleve3 * I3)/(I1+I2+I3), I1, I2, I3 are respectively weighting coefficient,
Wherein, Sleve1 be substation in highest voltage level protection equipment operating status health evaluating value, Sleve1=
The weighted average of the operating status health evaluating value of all protection equipment of highest voltage level；
Sleve2 is the operating status health evaluating value of the protection equipment of time voltage levels in substation, Sleve2=secondary height
The weighted average of the operating status health evaluating value of all protection equipment of voltage class；
Sleve3 be substation in other voltage class protection equipment operating status health evaluating value, Sleve3=other
The weighted average of the operating status health evaluating value of all protection equipment of voltage class,
If step 6.2, substation make data with the presence of two or more protection equipment protection equipment malfunctions, substation is protected
Protect total operating status health evaluating value Ssub=0 of equipment；
The step 7 includes the following steps：
Equipment malfunction is protected to make data if same model, the protection equipment of same software version number exist in step 7.1, power grid
It it is two hereinafter, then same model, total operating status health evaluating value of the protection equipment of same software version number in power grid
Si=each same model, same software version number protection equipment operating status health evaluating value average value；
Equipment malfunction is protected to make data if same model, the protection equipment of same software version number exist in step 7.2, power grid
Be two or more, then in power grid same model, the protection equipment of same software version number total operating status health evaluating
Value Si=0.
Step 8 as described above includes the following steps：
Step 8.1, for individually protecting equipment, if Srelay=100, mark the protection equipment running status good, nothing
It need to arrange maintenance and defect elimination processing；If 100> Srelay >=95, then it is abnormal accuse to mark the protection equipment running status
It is alert, provide " it is recommended that defect elimination is handled " prompt；If Srelay<95, then it is catastrophe failure to mark the protection equipment running status,
Provide " it is recommended that arranging maintenance " prompt；
Step 8.2, for substation, if Ssub=100, mark the total operating status of the substation be it is good, without arrange
Maintenance and defect elimination processing；If 100> Ssub >95, then it is abnormality alarming to mark the total operating status of the substation, provides and " builds
Discuss master station's defect elimination processing " prompt；If Ssub<=95, then it is catastrophe failure to mark the total operating status of the substation, provides and " builds
Discuss total station arrangement maintenance " prompt；
Step 8.3 marks such guarantor to the whole network same model, the protection equipment of same software version number if Si=100
Shield equipment running status is good, without arranging maintenance and defect elimination processing；If 100> Si >95, then mark such equipment
Operating status is abnormality alarming, provides " it is recommended that unified arrange defect elimination processing " prompt；If Si<=95, then mark such protection
Equipment running status is serious familial defect, provides " it is recommended that unified arrange maintenance " prompt.
The present invention has the advantages that：
The present invention fully extracts protection equipment running status characteristic, and to protection to protect the inspection of equipment day to be reported as foundation
Equipment running status characteristic is for statistical analysis and comprehensive assessment, weekly formation power grid grade, power transformation station level, device-level protection are set
Standby operating status health evaluating value, not only can practical guided maintenance O&M work on the spot, can simultaneously serve as medium-term and long-term
Equipment health status Appreciation gist.
The present invention does not influence the stability of other operating systems, avoids independent of letter system and other system communications are protected
The unreliability that data are obtained from other systems, has saved the time with other systems joint debugging, reduce system integration and test at
This, what is more important real-time of the present invention is higher, simple easily to promote, and improves the quality and effect of protection overhaul of the equipments maintenance work
Rate.
Description of the drawings
Fig. 1 is present system structural schematic diagram；
Fig. 2 is that equipment patrolling device structural schematic diagram is protected at present invention station end；
Fig. 3 is that main station side of the present invention protects equipment evaluation apparatus structure schematic diagram；
Fig. 4 is the method and step schematic diagram of the present invention.
Specific implementation mode
Understand for the ease of those of ordinary skill in the art and implement the present invention, below in conjunction with the accompanying drawings and specific implementation mode
The present invention is described in further detail.
The present invention provides intelligent substations to protect equipment running status apparatus for evaluating, as shown in Fig. 1 ~ Fig. 3, including station end
Equipment patrolling device, main station side is protected to protect equipment evaluation device, stand end protection equipment patrolling device and main station side protection equipment
Apparatus for evaluating is connected by electric power data network.
End protection equipment patrolling device of standing protects equipment for regular visit intelligent substation, forms station end and protects equipment day
Inspection is reported, and is uploaded to main station side by electric power data network and is protected equipment evaluation device；
Main station side protects equipment evaluation device for receiving station's end protection equipment day inspection report, with a variety of decision rules, weekly
Automatically quantitative evaluation is carried out by setting rule to station end protection equipment, calculates operating status health evaluating value（It is set including protection
Standby operating status health evaluating value Srelay, total operating status health evaluating value Ssub of transforming plant protecting device, in power grid
Total operating status health evaluating value Si of same model, the protection equipment of same software version number）, for protection equipment O&M maintenance
Aid decision foundation is provided.
In the technical program, stand end protection equipment patrolling device include the 1st Signal interface module, the 2nd Signal interface module,
3rd Signal interface module, signal decoder module, time synchronization module, information coding module, stand end human-computer interaction module, feature
Data preprocessing module, inspection reporting modules, further,
1st Signal interface module is used for access station control layer network, and protection equipment through MMS message interactions；
2nd Signal interface module forms this Goblin for accessing intelligent substation clock synchronization signal after time synchronization module synchronization
True time, local precise time provide precise time information to signal decoder module, inspection reporting modules；
3rd Signal interface module periodically protects the station end after Signal coding module is encoded for accessing electric power data network
Shield equipment day inspection report is transmitted to main station side protection equipment evaluation device；
Signal decoder module is used to protect equipment running status characteristic according to the station end of station end human-computer interaction module setting
Model maps, and the MMS messages that the 1st signaling interface of parsing obtains simultaneously obtain protection equipment running status characteristic.
Signal coding module after the end protection equipment day inspection report coding that will stand for being sent to the 3rd Signal interface module；
End human-computer interaction module of standing is reflected for importing SCD file, the model of setting station end protection equipment running status characteristic
It penetrates, is additionally operable to the setting protection equipment regular visit time.
Characteristic preprocessing module is used to, to protecting equipment running status characteristic, be classified and be counted and be united
Count result.
Inspection reporting modules will be special for the protection equipment regular visit time according to station end human-computer interaction module setting
The statistical result of sign data preprocessing module encloses local precise time, forms the protection equipment day inspection of station end and reports and store.
In the present embodiment, the protection equipment running status characteristic includes that equipment alarm data, protection is protected to set
Standby Abnormal Deformation data, protection device action data, protection equipment on-line monitoring data, further,
It includes protection equipment fault signal data collection dsAlarm, alarm signal data set to protect equipment alarm data
Entry in dsWarning, communication floor data collection dsCommState, protection equipment alarm data are by end human-computer interaction mould of standing
Block select and set, further, by the good protection equipment alarm data of select and set by end human-computer interaction module label of standing
For protection equipment fault class alarm data and non-faulting class alarm data.
It includes protection equipment remote signalling data collection dsRelayDin, pressing plate data set to protect unit exception displacement data
Entry in dsRelayEna, protection unit exception displacement data include the hard pressing plate of protection overhaul of the equipments, the hard pressing plate of remote operation,
The soft pressing plate of function, SV input soft pressing plate, GOOSE inputs soft pressing plate, GOOSE exports soft pressing plate, and protection unit exception conjugates data
By end human-computer interaction module select and set of standing；
Protection device action data include the entry protected in device data collection dsTripInfo, and protection device action data include
Startup, trip protection, protection is protected to overlap, protection device action data are by end human-computer interaction module select and set of standing；
Protection equipment on-line monitoring data include the entry protected in equipment telemetry collection dsRelayAin, protect equipment on-line
Monitoring data include protection equipment DC voltage, unit temp, optical port transmission light intensity, and protection equipment on-line monitoring data are by end of standing
Human-computer interaction module select and set.
In the technical program, it includes Signal interface module, main station side human-computer interaction mould that main station side, which protects equipment evaluation device,
Block, signal correction module, assessment computing module, O&M maintenance auxiliary policy module, further,
Signal interface module is for accessing electric power data network, the station end protection that regular receiving station end protection equipment patrolling device is sent
The inspection report of equipment day；
Signal correction module is used to repair the correctness of protection device action data in the protection equipment day inspection report of station end
The positive protection equipment malfunction that obtains makees data；
The assessment models and assessment rule that assessment computing module is set according to main station side human-computer interaction module carry out operation, are transported
Row state health evaluating value（Operating status health evaluating value Srelay including protecting equipment, total fortune of transforming plant protecting device
Row state health evaluating value Ssub, same model, total operating status of the protection equipment of same software version number health in power grid
Assessed value Si）；
O&M maintenance auxiliary policy module is used to, according to the operating status health evaluating value of assessment computing module, provide protection equipment
O&M overhauls aid decision.
In the present embodiment, described pair of protection device action correctness is modified, and is referred to by main station side human-computer interaction module pair
The data for belonging to malfunction in protection device action data are marked, and form protection equipment malfunction and make data.
As shown in Figure 4.Intelligent substation protects overhaul of the equipments decision-making technique, includes the following steps：
Step 1, as unit of substation, every protection in nearest one week is extracted in the protection equipment day inspection report of slave station end
The protection equipment alarm data of equipment, protection unit exception displacement data, protection equipment on-line monitoring data, protection equipment malfunction
Make data；
Step 2, as unit of protecting single equipment in substation, according to protection equipment protection equipment alarm data whether belong to
Equipment fault class, and the number of protection equipment alarm Data duplication is protected to obtain alarm data deduction value；
Step 3, as unit of protecting single equipment in substation, according to protection equipment on-line monitoring data in protection equipment it is straight
Galvanic electricity pressure, unit temp, optical port send light intensity, difference stream obtains online monitoring data deduction with the comparison result of corresponding threshold value
Value；
Step 4, as unit of protecting single equipment in substation, according to protection unit exception conjugate data number of repetition obtain
Abnormal Deformation deduction value；
Step 5, as unit of protecting single equipment in substation, according to protection equipment malfunction make data number obtain protection set
Standby operating status health evaluating value Srelay；
Step 6, as unit of substation, according to the operating status health evaluating of the protective device of different voltages grade in substation
Value is weighted total operating status health evaluating value Ssub that processing obtains transforming plant protecting device；
Step 7 exists according to same model, the protection equipment of same software version number in power grid and equipment malfunction is protected to be obtained as data
Obtain total operating status health evaluating value Si of same model, the protection equipment of same software version number in power grid.
Step 8, according to the operating status health evaluating value Srelay of each protection equipment, provide " without arrange maintenance and
Defect elimination processing " either " it is recommended that defect elimination is handled " or " it is recommended that arranging maintenance " prompt；
According to total operating status health evaluating value Ssub, provide " without arranging maintenance and defect elimination processing " or " it is recommended that master station disappears
Lack processing " or " it is recommended that total station arrangement overhauls " prompt；
According to total operating status health evaluating value Si of same model, the protection equipment of same software version number in power grid, provide
" without arranging maintenance and defect elimination processing " either " suggest unified arrange defect elimination processing " or " suggest unified arrangement is arranged to overhaul "
Prompt.
In the present embodiment, realize that above-mentioned steps 8 are overhauled by O&M and assisted by assessment computing module in above-mentioned steps 1~7
Policy module is realized.
In the present embodiment, above-mentioned steps 2, by following logical process：
Step 2.1, alarm data deduction value are initially 0, and new protection equipment alarm is generated to the protection equipment in nearest one week
Data operation one by one,
It such as protects equipment alarm data to belong to protection equipment fault class, and does not repeat, then alarm data deduction value increases by 2, such as protects
Shield equipment alarm data belong to protection equipment fault class, and number of repetition is n (n >=2), then alarm data deduction value increases by 2n-1；
If protection equipment alarm data are not belonging to protection equipment fault class, and do not repeat, then alarm data deduction value increases by 1,
If protection equipment alarm data are not belonging to protection equipment fault class, and number of repetition is n (n >=2), then alarm data deduction value
Increase by 2n-1,
The protection equipment alarm data operation repeated is primary.
Step 2.2, the threshold limit value of alarm data deduction value are 50 points, and the threshold limit value of alarm data deduction value can be through master
End human-computer interaction module of standing is set.
In the present embodiment, above-mentioned steps 3, by following logical process：
Step 3.1, online monitoring data deduction value, DC voltage deduction value, temperature deduction value, optical port send light intensity deduction value,
The initial value of difference stream deduction value is 0,
If the protection equipment DC voltage of protection equipment protected in equipment on-line monitoring data is less than 2% in nearest one week
Normal value m times, then DC voltage deduction value increase by 2m-1Point, it is higher than 1% normal value j times, then DC voltage deduction value increases by 2j-1
Point, the threshold limit value of DC voltage deduction value is 10 points, and the normal value of protection equipment DC voltage is defaulted as 5V or 24V, protects
The threshold limit value of equipment DC voltage normal value and DC voltage deduction value can be arranged through main station side human-computer interaction module, and m, j are equal
For the natural number more than or equal to 1；
If step 3.2, the unit temp in nearest one week in the protection equipment on-line monitoring data of protection equipment are higher than 20% temperature
Threshold value k times is spent, then temperature deduction value increases by 2k-1Point, the threshold limit value of temperature deduction value is 5 points, temperature threshold and temperature deduction
The threshold limit value of value can be arranged through main station side human-computer interaction module, and k is the natural number more than or equal to 1；
If step 3.3, the optical port in nearest one week in the protection equipment on-line monitoring data of protection equipment send light intensity and are higher than
3.5% optical port sends light intensity normal value L times, then subtracts 2L-1Point, optical port sends light intensity and sends light intensity normal value p times less than 5% optical port,
Then optical port sends light intensity deduction value increase by 2p-1Point, it adds up to protecting the optical port of each optical port of equipment to send light intensity deduction value,
It is 10 points that optical port, which sends light intensity deduction value threshold limit value, and optical port sends light intensity normal value and optical port sends light intensity deduction value maximum limit
Value can be arranged through main station side human-computer interaction module, and L, p are the natural number more than or equal to 1；
If step 3.4, the difference stream assessment for being related to protection of equipment：
And the protection equipment a reference value for protecting the difference stream in the protection equipment on-line monitoring data of equipment to be higher than r times 20%, then it is poor
It flows deduction value and increases by 2r-1Point, difference stream deduction value threshold limit value is 10 points, and protection equipment difference stream a reference value is 0.1In；Difference stream deduction
It is worth threshold limit value through main station side human-computer interaction module to be arranged, r is the natural number more than or equal to 1,
Online monitoring data deduction value=DC voltage deduction value+temperature deduction value+optical port sends light intensity deduction value+difference and flows deduction
Value.
If not being related to protection of the difference stream assessment of equipment：
Online monitoring data deduction value=（DC voltage deduction value+temperature deduction value+optical port sends light intensity deduction value）× conversion system
Number.
Online monitoring data deduction value threshold limit value in the case of the difference stream assessment of conversion factor=be related to protection of equipment/no
The online monitoring data deduction value threshold limit value being related to protection of in the case of the difference stream assessment of equipment.
It is related to protection of the online monitoring data deduction value threshold limit value in the case of the difference stream assessment of equipment, is not related to protection of and sets
Online monitoring data deduction value threshold limit value in the case of standby difference stream assessment can be set through main station side human-computer interaction module.
In the present embodiment, above-mentioned steps 4, by following logical process：
Step 4.1, Abnormal Deformation deduction value initial value be 0, if nearest one week in protect equipment generation one newly do not weigh
Multiple Abnormal Deformation data, Abnormal Deformation deduction value increase by 1 point；
If step 4.2, protection equipment generates q new protection unit exception displacement data, Abnormal Deformation in nearest one week
Deduction value increases by 2q-1Point, wherein q is the natural number more than 1；
Step 4.3, the threshold limit value of Abnormal Deformation deduction value are 15 points, and the maximum limitation of Abnormal Deformation deduction value can be through main station side
Human-computer interaction module is set.
In the present embodiment, comprehensive assessment operation is carried out to protection equipment described in above-mentioned steps 5, by following logical process：
If there is no protection equipment malfunctions to make data for step 5.1, protection equipment, the operating status of protection equipment in nearest one week
Health evaluating value Srelay=100- alarm datas deduction value-online monitoring data deduction value-Abnormal Deformation deduction value；
If step 5.2, protection equipment have protection equipment malfunction and makees data, the operating status health evaluating value of equipment is protected
Srelay = 0。
In the present embodiment, the protection equipment all to substation described in above-mentioned steps 6 carry out comprehensive assessment operation, by as follows
Logical process：
If there is protection equipment malfunction and make data in less than two step 6.1, substation protection equipment,
Then total operating status health evaluating value Ssub of transforming plant protecting device=(Slevel1 * I1+Slevel2 *
I2+Sleve3 * I3)/(I1+I2+I3), I1, I2, I3 are respectively weighting coefficient, and general I1 is defaulted as
1.1, I2, which are defaulted as 1, I3, is defaulted as 0.9,
Wherein, Sleve1 be substation in highest voltage level protection equipment operating status health evaluating value, Sleve1=
The weighted average of the operating status health evaluating value of all protection equipment of highest voltage level；
Sleve2 is the operating status health evaluating value of the protection equipment of time voltage levels in substation, Sleve2=secondary height
The weighted average of the operating status health evaluating value of all protection equipment of voltage class；
Sleve3 be substation in other voltage class protection equipment operating status health evaluating value, Sleve3=other
The weighted average of the operating status health evaluating value of all protection equipment of voltage class.
If step 6.2, substation make data, power transformation with the presence of two or more protection equipment protection equipment malfunctions
Total operating status health evaluating value Ssub=0 for protection equipment of standing；
In the present embodiment, the protection of same model, same software version number in the power grid that is accessed is set described in above-mentioned steps 7
It is standby, comprehensive assessment operation is carried out, by following logical process：
Equipment malfunction is protected to make data if same model, the protection equipment of same software version number exist in step 7.1, power grid
It it is two hereinafter, then same model, total operating status health evaluating value of the protection equipment of same software version number in power grid
Si=each same model, same software version number protection equipment operating status health evaluating value average value；
Equipment malfunction is protected to make data if same model, the protection equipment of same software version number exist in step 7.2, power grid
Be two or more, then in power grid same model, the protection equipment of same software version number total operating status health evaluating
Value Si=0.
Above-mentioned steps 8 include with step：
Step 8.1, for individually protecting equipment, if Srelay=100, mark the protection equipment running status good, nothing
It need to arrange maintenance and defect elimination processing；If 100> Srelay >=95, then it is abnormal accuse to mark the protection equipment running status
It is alert, provide " it is recommended that defect elimination is handled " prompt；If Srelay<95, then it is catastrophe failure to mark the protection equipment running status,
Provide " it is recommended that arranging maintenance " prompt；
Step 8.2, for substation, if Ssub=100, mark the total operating status of the substation be it is good, without arrange
Maintenance and defect elimination processing；If 100> Ssub >95, then it is abnormality alarming to mark the total operating status of the substation, provides and " builds
Discuss master station's defect elimination processing " prompt；If Ssub<=95, then it is catastrophe failure to mark the total operating status of the substation, provides and " builds
Discuss total station arrangement maintenance " prompt；
Step 8.3 marks such guarantor to the whole network same model, the protection equipment of same software version number if Si=100
Shield equipment running status is good, without arranging maintenance and defect elimination processing；If 100> Si >95, then mark such equipment
Operating status is abnormality alarming, provides " it is recommended that unified arrange defect elimination processing " prompt；If Si<=95, then mark such protection
Equipment running status is serious familial defect, provides " it is recommended that unified arrange maintenance " prompt.
Above example is only one embodiment of the present invention, the description thereof is more specific and detailed, but cannot therefore and
It is interpreted as the limitation to the scope of the claims of the present invention.It should be pointed out that for those of ordinary skill in the art, not taking off
Under the premise of present inventive concept, various modifications and improvements can be made, these are all within the scope of protection of the present invention.
Claims (9)
1. intelligent substation protects equipment running status apparatus for evaluating, including station end to protect equipment patrolling device, which is characterized in that
Further include main station side protection equipment evaluation device,
End protection equipment patrolling device of standing protects equipment for regular visit intelligent substation, forms station end and protects the inspection of equipment day
Report, and main station side is uploaded to by electric power data network and protects equipment evaluation device,
Main station side protects equipment evaluation device for receiving station's end protection equipment day inspection report, and protects equipment day according to station end
Inspection report carries out quantitative evaluation to station end protection equipment by setting rule, operating status health evaluating value is obtained, according to protection
Equipment running status health evaluating value provides protection equipment O&M and overhauls aid decision.
2. intelligent substation according to claim 1 protects equipment running status apparatus for evaluating, which is characterized in that described
End protection equipment patrolling device of standing includes the 1st Signal interface module, the 2nd Signal interface module, the 3rd Signal interface module, signal
Decoder module, time synchronization module, information coding module, end human-computer interaction module of standing, characteristic preprocessing module, inspection report
Module is accused,
1st Signal interface module is used for access station control layer network, and protection equipment through MMS message interactions；
2nd Signal interface module forms this Goblin for accessing intelligent substation clock synchronization signal after time synchronization module synchronization
True time, local precise time provide precise time information to signal decoder module, inspection reporting modules；
3rd Signal interface module periodically protects the station end after Signal coding module is encoded for accessing electric power data network
Shield equipment day inspection report is transmitted to main station side protection equipment evaluation device；
Protect the model of equipment running status characteristic in the station end that signal decoder module is used to be arranged according to human-computer interaction module
Mapping, the MMS messages of parsing the 1st signaling interface acquisition simultaneously obtain protection equipment running status characteristic,
Signal coding module after the end protection equipment day inspection report coding that will stand for being sent to the 3rd Signal interface module；
Human-computer interaction module is mapped for importing SCD file, the model of setting station end protection equipment running status characteristic, also
The equipment regular visit time is protected for being arranged,
Characteristic preprocessing module is used to, to protecting equipment running status characteristic, be classified and count acquisition statistics and tied
Fruit,
Inspection reporting modules, it is the protection equipment regular visit time for being set according to human-computer interaction module, characteristic is pre-
The statistical result of processing module encloses local precise time, forms the protection equipment day inspection of station end and reports and store.
3. intelligent substation according to claim 1 protects equipment running status apparatus for evaluating, which is characterized in that described
Main station side protection equipment evaluation device includes Signal interface module, main station side human-computer interaction module, signal correction module, assessment fortune
Module, O&M maintenance auxiliary policy module are calculated,
Signal interface module is for accessing electric power data network, the station end protection that regular receiving station end protection equipment patrolling device is sent
The inspection report of equipment day；
Signal correction module is used to repair the correctness of protection device action data in the protection equipment day inspection report of station end
The positive protection equipment malfunction that obtains makees data；
The assessment models and assessment rule that assessment computing module is set according to main station side human-computer interaction module carry out operation, are transported
Row state health evaluating value also summarizes operation the whole network protection equipment running status health evaluating value；
O&M maintenance auxiliary policy module is used to, according to operating status health evaluating value, provide protection equipment O&M maintenance auxiliary and determine
Plan.
4. intelligent substation protects overhaul of the equipments decision-making technique, which is characterized in that include the following steps：
Step 1, as unit of substation, every protection in nearest one week is extracted in the protection equipment day inspection report of slave station end
The protection equipment alarm data of equipment, protection unit exception displacement data, protection equipment on-line monitoring data, protection equipment malfunction
Make data；
Step 2, as unit of protecting single equipment in substation, according to protection equipment protection equipment alarm data whether belong to
Equipment fault class, and the number of protection equipment alarm Data duplication is protected to obtain alarm data deduction value；
Step 3, as unit of protecting single equipment in substation, according to protection equipment on-line monitoring data in protection equipment it is straight
Galvanic electricity pressure, unit temp, optical port send light intensity, difference stream obtains online monitoring data deduction with the comparison result of corresponding threshold value
Value；
Step 4, as unit of protecting single equipment in substation, according to protection unit exception conjugate data number of repetition obtain
Abnormal Deformation deduction value；
Step 5, as unit of protecting single equipment in substation, according to protection equipment malfunction make data number obtain protection set
Standby operating status health evaluating value Srelay；
Step 6, as unit of substation, according to the operating status health evaluating of the protective device of different voltages grade in substation
Value is weighted total operating status health evaluating value Ssub that processing obtains transforming plant protecting device；
Step 7 exists according to same model, the protection equipment of same software version number in power grid and equipment malfunction is protected to be obtained as data
Total operating status health evaluating value Si of same model, the protection equipment of same software version number in power grid is obtained,
Step 8, according to the operating status health evaluating value Srelay of each protection equipment, provide " without arranging maintenance and defect elimination
Processing " either " it is recommended that defect elimination is handled " or " it is recommended that arranging maintenance " prompt；
According to total operating status health evaluating value Ssub, provide " without arranging maintenance and defect elimination processing " or " it is recommended that master station disappears
Lack processing " or " it is recommended that total station arrangement overhauls " prompt；
According to total operating status health evaluating value Si of same model, the protection equipment of same software version number in power grid, provide
" without arranging maintenance and defect elimination processing " either " suggest unified arrange defect elimination processing " or " suggest unified arrangement is arranged to overhaul "
Prompt.
5. intelligent substation according to claim 4 protects overhaul of the equipments decision-making technique, which is characterized in that the step
2 include the following steps：
Step 2.1, alarm data deduction value are initially 0, and new protection equipment alarm is generated to the protection equipment in nearest one week
Data operation one by one,
It such as protects equipment alarm data to belong to protection equipment fault class, and does not repeat, then alarm data deduction value increases by 2, such as protects
Shield equipment alarm data belong to protection equipment fault class, and number of repetition is n, n >=2, then alarm data deduction value increase by 2n-1；
If protection equipment alarm data are not belonging to protection equipment fault class, and do not repeat, then alarm data deduction value increases by 1,
If protection equipment alarm data are not belonging to protection equipment fault class, and number of repetition is n, n >=2, then alarm data deduction value
Increase by 2n-1,
The protection equipment alarm data operation repeated is primary,
The threshold limit value of alarm data deduction value is set by main station side human-computer interaction module.
6. intelligent substation according to claim 5 protects overhaul of the equipments decision-making technique, which is characterized in that the step
3 include the following steps：
Step 3.1, online monitoring data deduction value, DC voltage deduction value, temperature deduction value, optical port send light intensity deduction value,
The initial value of difference stream deduction value is 0,
If the protection equipment DC voltage of protection equipment protected in equipment on-line monitoring data is less than 2% in nearest one week
Normal value m times, then DC voltage deduction value increase by 2m-1Point, it is higher than 1% normal value j times, then DC voltage deduction value increases by 2j-1
Point, the threshold limit value of DC voltage deduction value is 10 points, and the threshold limit value of DC voltage deduction value is through main station side human-computer interaction mould
Block is arranged, and m, j are the natural number more than or equal to 1；
If step 3.2, the unit temp in nearest one week in the protection equipment on-line monitoring data of protection equipment are higher than 20% temperature
Threshold value k times is spent, then temperature deduction value increases by 2k-1Point, the threshold limit value of temperature deduction value is arranged through main station side human-computer interaction module,
K is the natural number more than or equal to 1；
If step 3.3, the optical port in nearest one week in the protection equipment on-line monitoring data of protection equipment send light intensity and are higher than
3.5% optical port sends light intensity normal value L times, then subtracts 2L-1Point, optical port sends light intensity and sends light intensity normal value p times less than 5% optical port,
Then optical port sends light intensity deduction value increase by 2p-1Point, optical port sends light intensity deduction value threshold limit value through main station side human-computer interaction module
Setting, L, p are the natural number more than or equal to 1；
If step 3.4, the difference stream assessment for being related to protection of equipment：
And the protection equipment a reference value for protecting the difference stream in the protection equipment on-line monitoring data of equipment to be higher than r times 20%, then it is poor
It flows deduction value and increases by 2r-1Point, difference stream deduction value threshold limit value through main station side human-computer interaction module be arranged, r be more than or equal to 1 from
So number；
Online monitoring data deduction value=DC voltage deduction value+temperature deduction value+optical port sends light intensity deduction value+difference and flows deduction
Value,
If not being related to protection of the difference stream assessment of equipment：
Online monitoring data deduction value=（DC voltage deduction value+temperature deduction value+optical port sends light intensity deduction value）× conversion system
Number,
Conversion factor=being related to protection of the online monitoring data deduction value threshold limit value in the case of the difference stream assessment of equipment/is not related to
The online monitoring data deduction value threshold limit value in the case of the difference stream assessment of equipment is protected,
It is related to protection of the poor online monitoring data deduction value threshold limit value flowed in the case of assessing of equipment, is not related to protection of equipment
Online monitoring data deduction value threshold limit value in the case of difference stream assessment is set by main station side human-computer interaction module.
7. intelligent substation according to claim 6 protects overhaul of the equipments decision-making technique, which is characterized in that the step
4 include the following steps：
Step 4.1, Abnormal Deformation deduction value initial value be 0, if nearest one week in protect equipment generation one newly do not weigh
Multiple Abnormal Deformation data, Abnormal Deformation deduction value increase by 1 point；
If step 4.2, protection equipment generates q new protection unit exception displacement data, Abnormal Deformation in nearest one week
Deduction value increases by 2q-1Point, wherein q is the natural number more than 1；
Step 4.3, the threshold limit value of Abnormal Deformation deduction value are 15 points, and the maximum limitation of Abnormal Deformation deduction value can be through main station side
Human-computer interaction module is set.
8. intelligent substation according to claim 7 protects overhaul of the equipments decision-making technique, which is characterized in that the step
5 include the following steps：
If there is no protection equipment malfunctions to make data for step 5.1, protection equipment, the operating status of protection equipment in nearest one week
Health evaluating value Srelay=100- alarm datas deduction value-online monitoring data deduction value-Abnormal Deformation deduction value；
If step 5.2, protection equipment have protection equipment malfunction and makees data, the operating status health evaluating value of equipment is protected
Srelay = 0；
The step 6 includes the following steps：
If there is protection equipment malfunction and make data in less than two step 6.1, substation protection equipment,
Then total operating status health evaluating value Ssub of transforming plant protecting device=(Slevel1 * I1+Slevel2 *
I2+Sleve3 * I3)/(I1+I2+I3), I1, I2, I3 are respectively weighting coefficient,
Wherein, Sleve1 be substation in highest voltage level protection equipment operating status health evaluating value, Sleve1=
The weighted average of the operating status health evaluating value of all protection equipment of highest voltage level；
Sleve2 is the operating status health evaluating value of the protection equipment of time voltage levels in substation, Sleve2=secondary height
The weighted average of the operating status health evaluating value of all protection equipment of voltage class；
Sleve3 be substation in other voltage class protection equipment operating status health evaluating value, Sleve3=other
The weighted average of the operating status health evaluating value of all protection equipment of voltage class,
If step 6.2, substation make data with the presence of two or more protection equipment protection equipment malfunctions, substation is protected
Protect total operating status health evaluating value Ssub=0 of equipment；
The step 7 includes the following steps：
Equipment malfunction is protected to make data if same model, the protection equipment of same software version number exist in step 7.1, power grid
It it is two hereinafter, then same model, total operating status health evaluating value of the protection equipment of same software version number in power grid
Si=each same model, same software version number protection equipment operating status health evaluating value average value；
Equipment malfunction is protected to make data if same model, the protection equipment of same software version number exist in step 7.2, power grid
Be two or more, then in power grid same model, the protection equipment of same software version number total operating status health evaluating
Value Si=0.
9. intelligent substation according to claim 8 protects overhaul of the equipments decision-making technique, which is characterized in that the step
8 include the following steps：
Step 8.1, for individually protecting equipment, if Srelay=100, mark the protection equipment running status good, nothing
It need to arrange maintenance and defect elimination processing；If 100> Srelay >=95, then it is abnormal accuse to mark the protection equipment running status
It is alert, provide " it is recommended that defect elimination is handled " prompt；If Srelay<95, then it is catastrophe failure to mark the protection equipment running status,
Provide " it is recommended that arranging maintenance " prompt；
Step 8.2, for substation, if Ssub=100, mark the total operating status of the substation be it is good, without arrange
Maintenance and defect elimination processing；If 100> Ssub >95, then it is abnormality alarming to mark the total operating status of the substation, provides and " builds
Discuss master station's defect elimination processing " prompt；If Ssub<=95, then it is catastrophe failure to mark the total operating status of the substation, provides and " builds
Discuss total station arrangement maintenance " prompt；
Step 8.3 marks such guarantor to the whole network same model, the protection equipment of same software version number if Si=100
Shield equipment running status is good, without arranging maintenance and defect elimination processing；If 100> Si >95, then mark such equipment
Operating status is abnormality alarming, provides " it is recommended that unified arrange defect elimination processing " prompt；If Si<=95, then mark such protection
Equipment running status is serious familial defect, provides " it is recommended that unified arrange maintenance " prompt.
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