CN107315131A - AT power supply trouble ranging data acquisition methods based on IEC61850 and fault waveform - Google Patents
AT power supply trouble ranging data acquisition methods based on IEC61850 and fault waveform Download PDFInfo
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- CN107315131A CN107315131A CN201710543152.XA CN201710543152A CN107315131A CN 107315131 A CN107315131 A CN 107315131A CN 201710543152 A CN201710543152 A CN 201710543152A CN 107315131 A CN107315131 A CN 107315131A
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01R31/08—Locating faults in cables, transmission lines, or networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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Abstract
The invention discloses the AT power supply trouble ranging data acquisition methods based on IEC61850 and fault waveform, including be arranged on the fault location device of electric substation and be arranged on son fault location device, son included AT institutes, the subregion institute, it is characterized in that, the fault location device of the electric substation and son institute gathers analog quantity and switching value data using IEC61850 92 and GOOSE agreements, and acquisition method comprises the following steps：A：When the fault location device of electric substation determines protection act tripping operation, according to itself pair when mode be that " clock synchronous " or " Voltage Drop is synchronous " calculates relative shift time T0；B：The newest COMTRADE fault waveforms file produced during according to protection act; the fault location device of electric substation searches the sampled point moment of T0 times after the total Startup time of protection in quantity of state recording, calculates absolute time T3, voltage, electric current, reactance and the position of the switch at the moment.
Description
Technical field
The present invention relates to railway ranging technology, and in particular to the AT power supply trouble rangings based on IEC61850 and fault waveform
Collecting method.
Background technology
Automatization Technology in Transformer Substation passes through the development in more than 10 years, has been mature on the whole at present, has obtained substantial amounts of work
Cheng Yingyong, obtains huge success.As IEC61850 transformer stations model issuing and implementation and the electricity of communication standard system standard
The development of sub- mutual inductance technology, the digital transformer substation pilot of the various application models in various regions, engineering construction is flourishing like the mushrooms after rain
Carry out, Substation Automation System enters digital times.
Fault localization system is the nucleus equipment of tractive power supply system, and main function is broken down in contact net or locomotive
When the trouble point of the property of failure and reality is accurately positioned, for shortening the repair time, the normal operation of guarantee high ferro,
With vital effect.Fault location device used realizes number by ranging communication processor in existing fault localization system
According to transmission.Data will be got between two fault location devices by protocol conversion twice, and system architecture is complicated, communication
Link is more, and system reliability is not high.
Led in traditional Traction networks fault localization system between fault location device and ranging communication processor with 104 stipulations
Communicated between letter, institute between ranging supervisor with producer's self-defined stipulations.Although 104 stipulations are Standards Codes, but extension
Partial data structure is that producer freely defines, and which results in can not direct communication between the range-measurement system of different manufacturers, it is necessary to increases
Plus special stipulations conversion equipment, it is difficult to meet the application requirement of Special field.
For problem above, Traction networks fault localization system and its data based on GOOSE are disclosed in the prior art and is passed
Transmission method (application number CN201510733290.5), the system installs fault location device in electric substation and son respectively, and adopts
With the GOOSE message transmission mechanism in IEC61850 standards, electric substation is carried out using the communication network based on IEC61850 standards
Information is mutually handed over, and realizes data between system equipment, information sharing.
The system is only studied to ranging data transmission, but the data acquisition modes of whole fault localization are not goed deep into
Research, optimizes to the system so being badly in need of a set of failure data acquisition mode at present, makes new fault localization system perfecting.
The content of the invention
It is an object of the invention to provide the AT power supply trouble ranging datas collection side based on IEC61850 and fault waveform
Method, realizes that one kind can guarantee that electric substation and sub- institute's ranging number when falling the road method of synchronization using gps clock synchronization or voltage
According to synchronism, adapt to the purpose of the acquisition method of complicated field condition.
The present invention is achieved through the following technical solutions：
AT power supply trouble ranging data acquisition methods based on IEC61850 and fault waveform, including it is arranged on electric substation
Fault location device and the fault location device for being arranged on sub- institute, AT institutes, subregion institute, the electric substation and son included by the son
Fault location device using IEC61850 9-2 and GOOSE agreement collection analog quantity and switching value data, acquisition method
Comprise the following steps：
A：When the fault location device of electric substation determine protection act tripping operation when, according to itself pair when mode be " when
Clock synchronization " or " Voltage Drop is synchronous " calculate relative shift time T0；
B：The newest COMTRADE fault waveforms file produced during according to protection act, the fault location device of electric substation is looked into
Look for the sampled point moment of T0 times after the total Startup time of protection in quantity of state recording, calculate the moment absolute time T3,
Voltage, electric current, reactance and the position of the switch, then by absolute moment T3 and calling data type with Transmission Control Protocol be sent to son
Fault location device is to call their fault data, wherein data type is called together including primary fault, secondary failure is called together, tried for calling
Test to call together and called together again with failure；
C：The fault location device of sub- institute receives the calling data command and number of the fault location device transmission of electric substation
Calculated according to rear beginning data acquisition, and by the data of collection, by the false voltage after the completion of calculating, electric current, reactance with opening
Off position information is transferred to the fault location device of electric substation as fault data；
D：The fault location device of electric substation receives the fault data of the fault location device transmission of son institute, when the sub- institutes of whole
The fault data that transmits in the same time of fault location device receive completely after fault data is handled, calculate failure away from
From.
Further, the present invention based on existing fault localization system, using IEC61850 9-2 and GOOSE agreement come
Analog quantity and switching value data are gathered, specific fault localization data collection steps are as noted above.Adopted using IEC61850 9-2
Sample value Network Transmitting mode realizes the sampled value exported through combiner from electric mutual inductor and is transferred to interval with network mode
The digitized sampling value output access procedure layer network of layer equipment, i.e. combining unit, the equipment such as protection, observing and controlling, metering no longer with
Combining unit is joined directly together, but by Network Capture sampled value, has thus reached the information sharing of sample values.Compare
Prior art, EC61850 9-2 sampled value Network Transmitting patterns efficiently solve under point-to-point transmission pattern some lack
Fall into, be such as easy to implement such as bus protection, tranformer protection and protected across interval, be easy to implement whole station or zonal concentration is protected
Shield；The content of flexibly configurable data set, frame format can be defined flexibly, and support mode of unicast；Combining unit can be lowered into
Ground terminal case is installed, only needs an optical fiber that the combining unit at this interval can be accessed easily to the process layer net of main control room
Network, facilitates in-site collecting device to the light pricker of combining unit and connects.
And analog quantity and switching value are gathered using IEC61850 9-2 sampled values and the networking mode of GOOSE common networks transmission
Data, so can save substantial amounts of network communication equipment, such as industrial switch, this is to numeral on the premise of performance is ensured
Change transformer station reduction cost of investment, quickening popularization and application are significant；And networking protection and control function, voltage are cut
Change/PT side by side etc. miscellaneous function implement also more facilitate.
Importantly, the present invention falls the synchronous point situation in road using gps clock synchronization or voltage calculates relative skew
Time T0, the fault location device of electric substation is issued when calling sub- institute's ranging data order while can issue T0, sub- institute's ranging
The data for protecting the T0 moment after startup are sent to the fault location device of electric substation according to the time by device, and survey is ensure that with this
Synchronism away from data, can avoid influence of the field condition of complexity to ranging data.
In step, the calculation procedure of the relative shift time T0 is as follows：
A1：If mode is during current failure range unit pair " clock synchronous " and signal is normal at external GPS pairs, will
Protection definite value synchronization positioning time T1 is assigned to T0；
A2：If mode is during current failure range unit pair " Voltage Drop synchronous " or current failure range unit pair
When mode when being " clock synchronous " and external GPS pairs during abnormal signal, then divide situation to calculate the T0 times：
1) when fault location device has protection to start, if the protection of first startup is o-volt protection, T0=T1；
2) when fault location device the protection act time limit then, if o-volt protection is all during the protection starts to action
Do not started, then T0=T1；
3) during the protection act for first start when the non-o-volt protection of fault location device, starting after o-volt protection and first starting
Limit is not arrived, calculates both startup time difference T2, T0=T1+T2.Further, the present invention is surveyed according to the failure of electric substation
Away from device pair when mode be " clock synchronous " or " Voltage Drop is synchronous " and consider whether signal normal at external GPS pairs
To divide situation with respect to shift time T0, it is ensured that the accuracy and integrality for the T0 that this programme is measured.
It is preferred that, the definite value initial value of the synchronous positioning time T1 is 28~35ms.Further, prolong after protection starts
When T1 times when take analog value, start the data unstable with the protection act moment to avoid getting protection, pass through the present invention
People's research finds that synchronous positioning time T1 definite value initial value design is less than the actuation time of protection and during closer to protection act
Between the data got it is more accurate, according to the actuation time of protection, preferably definite value initial value value is 28~35ms.
In stepb, the voltage, electric current, reactance and the calculation procedure of the position of the switch are as follows：
B1：Using 20 milliseconds before the T3 moment as starting point, using the T3 moment as terminal, amount passage is entered to the mould in fault waveform
Carry out Fourier transform, by 32 points of calculating of 1 cycle obtain Ut1, Uf1, It1, If1, Iat1, Ut2, Uf2, It2, If2,
Iat2 virtual values and angle, wherein under to be designated as 1 expression descending, under to be designated as 2 expressions up；
B2：The position of the switch that ranging needs has been recorded in wave file as digital quantity, upper when extracting T3 moment
Row feeder breaker position, descending feeder breaker position, the point position of the switch in parallel, the descending AT position of the switch are switched with up AT
Position；
B3：Using Ut1, Uf1, It1, If1, Iat1, Ut2, Uf2, It2, If2, Iat2 computing impedance, obtain impedance X's
Formula is as follows：
In formula (1), Ut1 is descending T line voltages, and Uf1 is descending F line voltages, and Utf1 is descending TF line voltages, IT1For
Descending T lines protective current, IF1For descending F lines protective current, ITF1For descending TF lines protective current；Ut2 is up T line voltages,
Uf2 is up F line voltages, and Utf2 is up TF line voltages, IT2For up T lines protective current, IF2For up F lines protective current,
ITF2For up TF lines protective current.Further, voltage, the electric current at absolute time T3 moment have been calculated in B1 steps；
All kinds of position of the switch at absolute time T3 moment have been calculated in B2 steps；In B3 steps using Ut1, Uf1, It1, If1,
Iat1, Ut2, Uf2, It2, If2, Iat2 computing impedance, Computational methods see formula (2), (3),
(4),Computational methods see formula (5), voltage, electric current carry out ratio and take its imaginary part, have calculated absolute time T3
The impedance value at moment.
In the formula (1)Including following several calculations：
1) when " descending feeder breaker position ", " up feeder breaker position " are conjunction position, " standby feeder breaker position
Put " for point position when：
In formula (2), Iat1 is that descending AT sucts electric current, and Iat2 is that up AT sucts electric current, and It1 is descending T lines electricity
Stream, If1 is descending F line currents, and It2 is up T line currents, and If2 is up F line currents；
2) when " descending feeder breaker position ", " standby feeder breaker position " are conjunction position, " up feeder breaker position
Put " for point position when：
In formula (3), Itb is standby T line currents, and Ifb is standby F line currents；
3) when " up feeder breaker position ", " standby feeder breaker position " are conjunction position, " descending feeder breaker position
Put " for point position when：
4) when three kinds of situations are all unsatisfactory for above by " descending feeder breaker position ", " up feeder breaker position "
To close position, " standby feeder breaker position " is a point position processing.
In the formula (1)Calculation formula is as follows：
In step C, the fault data includes following several acquisition modes：
C1：The method of synchronization when calling data type for " primary fault is called together " or " secondary failure is called together " and sub- institute's failure
During for " clock is synchronous ", COMTRADE whole in device are traveled through according to the time-division date seconds value in the absolute time T3 of reception
Fault waveform file, finds corresponding fault moment wave file, then navigates in file the fault localization dress with electric substation
Sampled point in the same time is put, false voltage, electric current, reactance and position of the switch information this moment is calculated；
C2：It is " Voltage Drop synchronous " mode or calling data type is " failure is called together again " when fault location device is actual
When, using the fault waveform file being newly generated, sampled point therein is determined with the T1 times after the total startup of protection, is calculated
False voltage, electric current, reactance and position of the switch information this moment；
C3：When it is " experiment is called together " to call data type, with the analog quantity of the current real-time collection of fault location device with
Switching value calculates false voltage, electric current, reactance and position of the switch information this moment.Further, son institute is according to calling data
Type and method of synchronization type are acquired calculating to fault data, to ensure that the calling numerical nomenclature with electric substation is matched,
And call that data type is called together including primary fault, secondary failure is called together, is tested to call together and is called together again with failure, it is synchronous that the method for synchronization includes clock
It is synchronous with Voltage Drop.
The step D comprises the following steps：
D1：Switching value in power transformation in one's power sub- institute's fault data judges the method for operation of supply arm；
D2：Using fault moment electric substation with it is each son institute electrical data progress fault distance calculating.Further
, the first step that electric substation range unit receives progress ranging computing after the fault data of complete portion's institute in the same time is exactly to judge
The method of operation of supply arm, then after the method for operation, which is calculated, to be finished, using fault moment electric substation with it is each sub electric
Measure the calculating that data carry out fault distance, its Computing Principle is identical with traditional approach, mainly horizontal link current than principle, suct electricity
Stream is than principle, up-downgoing electric current than principle and reactance range measurement principle.
The method of operation in the step D1 includes complete in parallel, full direct-furnish, descending AT, up direct-furnish, up AT, descending straight
For, up-downgoing list AT, AT institute is not in parallel, subregion institute is in parallel, AT institutes are in parallel, the full direct-furnish of subregions institute, AT institutes are in parallel, subregions institute is up
The descending direct-furnish of AT, AT institutes in parallel, the descending up direct-furnish of AT of subregion institute, AT institutes in parallel, subregion institute list AT, AT institute parallel connections and without
AT, unknown operation, unit mode.
In step D1, the method for operation is carried out to judge to include following several calculations：
1) during fault location device setting control word " parallel connection point biswitch " input of electric substation, using AT institutes and subregion institute
Respective up feeder breaker position, descending feeder breaker position, the point position of the switch in parallel, the descending AT position of the switch with it is upper
The row AT position of the switch calculates the method for operation；
2) when the fault location device setting control word " parallel connection point biswitch " of electric substation is exited, using AT institutes and subregion institute
The respective point position of the switch in parallel, the descending AT position of the switch calculate the method for operation with the up AT position of the switch；
3) it is the unknown method of operation when substation protection definite value " ranging group device quantity " is less than 2.
The present invention compared with prior art, has the following advantages and advantages：
AT power supply trouble ranging data acquisition methods of the invention based on IEC61850 and fault waveform, have filled up existing skill
The Traction networks fault localization system based on GOOSE is to the blank of fault localization data acquisition in art, and it utilizes IEC61850 9-2
Analog quantity and switching value data are gathered with GOOSE agreements, substantial amounts of network service can be saved on the premise of performance is ensured
Equipment, such as industrial switch, this is significant to digital transformer substation reduction cost of investment, quickening popularization and application；And
Miscellaneous function is implemented and also more facilitated side by side etc. by networking protection and control function, voltage switching/PT；We are utilized simultaneously
Method ranging, the synchronization of ranging data is can guarantee that when range-measurement system falls the road method of synchronization using gps clock synchronization or voltage
Property, it is suitable for the field condition of complexity.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of fault localization networking of the present invention；
Fig. 2 reports one for electric substation's ranging of the embodiment of the present invention；
Fig. 3 reports two for electric substation's ranging of the embodiment of the present invention；
Fig. 4 reports one for the AT institutes ranging of the embodiment of the present invention；
Fig. 5 reports two for the AT institutes ranging of the embodiment of the present invention；
Fig. 6 reports one for the subregion institute ranging of the embodiment of the present invention；
Fig. 7 reports two for the subregion institute ranging of the embodiment of the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make
For limitation of the invention.
Embodiment 1
As shown in figure 1, the AT power supply trouble ranging data acquisition methods of the invention based on IEC61850 and fault waveform, bag
Include the fault location device for being arranged on the fault location device of electric substation and being arranged on sub- institute, AT institutes, subregion included by the son
The fault location device of institute, the electric substation and son institute is using IEC61850 9-2 and GOOSE agreement collection analog quantity with opening
Data are measured in pass, and acquisition method comprises the following steps：
A：When the fault location device of electric substation determine protection act tripping operation when, according to itself pair when mode be " when
Clock synchronization " or " Voltage Drop is synchronous " calculate relative shift time T0；
B：The newest COMTRADE fault waveforms file produced during according to protection act, the fault location device of electric substation is looked into
Look for the sampled point moment of T0 times after the total Startup time of protection in quantity of state recording, calculate the moment absolute time T3,
Voltage, electric current, reactance and the position of the switch, then by absolute moment T3 and calling data type with Transmission Control Protocol be sent to son
Fault location device is to call their fault data, wherein data type is called together including primary fault, secondary failure is called together, tried for calling
Test to call together and called together again with failure；
C：The fault location device of sub- institute receives the calling data command and number of the fault location device transmission of electric substation
Calculated according to rear beginning data acquisition, and by the data of collection, by the false voltage after the completion of calculating, electric current, reactance with opening
Off position information is transferred to the fault location device of electric substation as fault data；
D：The fault location device of electric substation receives the fault data of the fault location device transmission of son institute, when the sub- institutes of whole
The fault data that transmits in the same time of fault location device receive completely after fault data is handled, calculate failure away from
From.
Embodiment 2
As shown in figure 1, the AT power supply trouble ranging data acquisition methods of the invention based on IEC61850 and fault waveform,
On the basis of embodiment 1, in step, the calculation procedure of the relative shift time T0 is as follows：
A1：If mode is during current failure range unit pair " clock synchronous " and signal is normal at external GPS pairs, will
Protection definite value synchronization positioning time T1 is assigned to T0；
A2：If mode is during current failure range unit pair " Voltage Drop synchronous " or current failure range unit pair
When mode when being " clock synchronous " and external GPS pairs during abnormal signal, then divide situation to calculate the T0 times：
1) when fault location device has protection to start, if the protection of first startup is o-volt protection, T0=T1；
2) when fault location device the protection act time limit then, if o-volt protection is all during the protection starts to action
Do not started, then T0=T1；
3) during the protection act for first start when the non-o-volt protection of fault location device, starting after o-volt protection and first starting
Limit is not arrived, calculates both startup time difference T2, T0=T1+T2.The definite value initial value of the synchronous positioning time T1 is
30ms。
In stepb, the voltage, electric current, reactance and the calculation procedure of the position of the switch are as follows：
B1：Using 20 milliseconds before the T3 moment as starting point, using the T3 moment as terminal, amount passage is entered to the mould in fault waveform
Carry out Fourier transform, by 32 points of calculating of 1 cycle obtain Ut1, Uf1, It1, If1, Iat1, Ut2, Uf2, It2, If2,
Iat2 virtual values and angle, wherein under to be designated as 1 expression descending, under to be designated as 2 expressions up；
B2：The position of the switch that ranging needs has been recorded in wave file as digital quantity, upper when extracting T3 moment
Row feeder breaker position, descending feeder breaker position, the point position of the switch in parallel, the descending AT position of the switch are switched with up AT
Position；
B3：Using Ut1, Uf1, It1, If1, Iat1, Ut2, Uf2, It2, If2, Iat2 computing impedance, obtain impedance X's
Formula is as follows：
In formula (1), Ut1 is descending T line voltages, and Uf1 is descending F line voltages, and Utf1 is descending TF line voltages, IT1For
Descending T lines protective current, IF1For descending F lines protective current, ITF1For descending TF lines protective current；Ut2 is up T line voltages,
Uf2 is up F line voltages, and Utf2 is up TF line voltages, IT2For up T lines protective current, IF2For up F lines protective current,
ITF2For up TF lines protective current.
In the formula (1)Including following several calculations：
1) when " descending feeder breaker position ", " up feeder breaker position " are conjunction position, " standby feeder breaker position
Put " for point position when：
In formula (2), Iat1 is that descending AT sucts electric current, and Iat2 is that up AT sucts electric current, and It1 is descending T lines electricity
Stream, If1 is descending F line currents, and It2 is up T line currents, and If2 is up F line currents；
2) when " descending feeder breaker position ", " standby feeder breaker position " are conjunction position, " up feeder breaker position
Put " for point position when：
In formula (3), Itb is standby T line currents, and Ifb is standby F line currents；
3) when " up feeder breaker position ", " standby feeder breaker position " are conjunction position, " descending feeder breaker position
Put " for point position when：
4) when three kinds of situations are all unsatisfactory for above by " descending feeder breaker position ", " up feeder breaker position "
To close position, " standby feeder breaker position " is a point position processing.
In the formula (1)Calculation formula is as follows：
In step C, the fault data includes following several acquisition modes：
C1：The method of synchronization when calling data type for " primary fault is called together " or " secondary failure is called together " and sub- institute's failure
During for " clock is synchronous ", COMTRADE whole in device are traveled through according to the time-division date seconds value in the absolute time T3 of reception
Fault waveform file, finds corresponding fault moment wave file, then navigates in file the fault localization dress with electric substation
Sampled point in the same time is put, false voltage, electric current, reactance and position of the switch information this moment is calculated；
C2：It is " Voltage Drop synchronous " mode or calling data type is " failure is called together again " when fault location device is actual
When, using the fault waveform file being newly generated, sampled point therein is determined with the T1 times after the total startup of protection, is calculated
False voltage, electric current, reactance and position of the switch information this moment；
C3：When it is " experiment is called together " to call data type, with the analog quantity of the current real-time collection of fault location device with
Switching value calculates false voltage, electric current, reactance and position of the switch information this moment.
The step D comprises the following steps：
D1：Switching value in power transformation in one's power sub- institute's fault data judges the method for operation of supply arm；The operation side
Formula include complete in parallel, full direct-furnish, descending AT, up direct-furnish, up AT, descending direct-furnish, up-downgoing list AT, AT institute it is not in parallel, point
Institute of area is in parallel, AT parallel connections, the full direct-furnish of subregion, the parallel connection of AT institutes, the up descending direct-furnish of AT of subregion, AT in parallel, subregion institutes
The descending up direct-furnish of AT, AT institutes in parallel, subregion institute list AT, AT institute parallel connections and without AT, unknown operation, unit mode；
The method of operation is carried out to judge to include following several calculations：
1) during fault location device setting control word " parallel connection point biswitch " input of electric substation, using AT institutes and subregion institute
Respective up feeder breaker position, descending feeder breaker position, the point position of the switch in parallel, the descending AT position of the switch with it is upper
The row AT position of the switch calculates the method for operation；
2) when the fault location device setting control word " parallel connection point biswitch " of electric substation is exited, using AT institutes and subregion institute
The respective point position of the switch in parallel, the descending AT position of the switch calculate the method for operation with the up AT position of the switch；
3) it is the unknown method of operation when substation protection definite value " ranging group device quantity " is less than 2；
D2：Using fault moment electric substation with it is each son institute electrical data carry out fault distance calculating, mainly wrap
Include horizontal link current than principle, suct electric current than principle, up-downgoing electric current than principle and reactance range measurement principle.
Embodiment 3
As shown in Fig. 1~7, the AT power supply trouble ranging datas collection side of the invention based on IEC61850 and fault waveform
Method, on the basis of embodiment 1, when the fault location device of electric substation determines protection act tripping operation, what is taken is that clock is same
Step mode calculates relative shift time T0.The fault location device of electric substation collect all son on the ranging data sent
Afterwards, start ranging logic to calculate.Electric substation's control word " parallel connection point biswitch " input, thus according to AT with subregion on send be total to
It is full parallel running mode that 10 position of the switch, which calculate now system,；Have under full parallel running mode horizontal link current ratio with
Electric current is sucted than two kinds of distance-finding methods of ranging, because control word " horizontal link current is preferential " is not put into, therefore takes and sucts electric current ratio
Ranging.Ask for sucting current ratio first, fault distance is calculated for 1.527km further according to Q-L tables, trouble point kilometer is designated as
K101+427.Electric substation's ranging report sees Fig. 2, and Fig. 3 is shown in electric substation's ranging report two, and the ranging report of AT institutes sees Fig. 4, AT institutes
Fig. 5 is shown in ranging report two, and the ranging report of subregion institute sees Fig. 6, and Fig. 7 is shown in subregion institute ranging report two.
Embodiment 4
As shown in figure 1, the AT power supply trouble ranging data acquisition methods of the invention based on IEC61850 and fault waveform,
On the basis of embodiment 1, interchanger, Sport Administration machine, control centre, local monitoring, the fault localization of electric substation are additionally provided with
Device, Sport Administration machine, local monitoring are connected with interchanger, and control centre is connected with Sport Administration machine, motion pipe here
Reason machine is a kind of communication processor, and control centre is communicated by Sport Administration machine, interchanger with the fault location device of electric substation,
And the ranging data of the fault location device of electric substation is transferred, it is more convenient and practical to realize the remote management to electric substation.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (10)
1. the AT power supply trouble ranging data acquisition methods based on IEC61850 and fault waveform, including it is arranged on the event of electric substation
Barrier range unit and the fault location device for being arranged on sub- institute, AT institutes, subregion institute included by the son, it is characterised in that described
The fault location device of electric substation and son institute is using IEC61850 9-2 and GOOSE agreement collection analog quantity and switching value number
According to acquisition method comprises the following steps：
A：When the fault location device of electric substation determine protection act tripping operation when, according to itself pair when mode be that " clock is same
Step " or " Voltage Drop is synchronous " calculate relative shift time T0；
B：The newest COMTRADE fault waveforms file produced during according to protection act, the fault location device of electric substation searches shape
The sampled point moment of T0 times after the total Startup time of protection in state amount recording, calculate the absolute time T3 at the moment, voltage,
Absolute moment T3 and calling data type, are then sent to the failure survey of sub- institute by electric current, reactance and the position of the switch with Transmission Control Protocol
Away from device to call their fault data, wherein calling data type is called together including primary fault, secondary failure is called together, experiment is called together and
Failure is called together again；
C：After calling data command and data that the fault location device that the fault location device of sub- institute receives electric substation is sent
Start data acquisition, and the data of collection are calculated, by the false voltage after the completion of calculating, electric current, reactance and switch position
Confidence ceases the fault location device that electric substation is transferred to as fault data；
D：The fault location device of electric substation receives the fault data of the fault location device transmission of son institute, when whole sons event
The fault data that barrier range unit is transmitted in the same time is handled fault data after receiving completely, calculates fault distance.
2. the AT power supply trouble ranging data acquisition methods according to claim 1 based on IEC61850 and fault waveform,
Characterized in that, in step, the calculation procedure of the relative shift time T0 is as follows：
A1：If mode is during current failure range unit pair " clock synchronous " and signal is normal at external GPS pairs, will protection
Definite value synchronization positioning time T1 is assigned to T0；
A2：If mode is during current failure range unit pair " Voltage Drop synchronous " or current failure range unit pair when side
When formula is " clock is synchronous " and external GPS pairs during abnormal signal, then situation is divided to calculate the T0 times：
1) when fault location device has protection to start, if the protection of first startup is o-volt protection, T0=T1；
2) when fault location device the protection act time limit then, if o-volt protection was all not during the protection starts to action
Started, then T0=T1；
3) first start when the non-o-volt protection of fault location device, o-volt protection after protection act time limit for starting and first starting not
Arrive, calculate both startup time difference T2, T0=T1+T2.
3. the AT power supply trouble ranging data acquisition methods according to claim 2 based on IEC61850 and fault waveform,
Characterized in that, the definite value initial value of the synchronous positioning time T1 is 28~35ms.
4. the AT power supply trouble ranging data acquisition methods according to claim 1 based on IEC61850 and fault waveform,
Characterized in that, in stepb, the voltage, electric current, reactance and the calculation procedure of the position of the switch are as follows：
B1：Using 20 milliseconds before the T3 moment as starting point, using the T3 moment as terminal, the progress of amount passage is entered to the mould in fault waveform
Fourier transform, Ut1, Uf1, It1, If1, Iat1, Ut2, Uf2, It2, If2, Iat2 are obtained by 32 points of calculating of 1 cycle
Virtual value and angle, wherein under to be designated as 1 expression descending, under to be designated as 2 expressions up；
B2：The position of the switch that ranging needs has been recorded in wave file as digital quantity, extracts up feedback during T3 moment
Line circuit breaker position, descending feeder breaker position, the point position of the switch in parallel, the descending AT position of the switch switch position with up AT
Put；
B3：Using Ut1, Uf1, It1, If1, Iat1, Ut2, Uf2, It2, If2, Iat2 computing impedance, impedance X formula is obtained
It is as follows：
In formula (1), Ut1 is descending T line voltages, and Uf1 is descending F line voltages, and Utf1 is descending TF line voltages, IT1To be descending
T line protective currents, IF1For descending F lines protective current, ITF1For descending TF lines protective current；Ut2 is up T line voltages, and Uf2 is
Up F line voltages, Utf2 is up TF line voltages, IT2For up T lines protective current, IF2For up F lines protective current, ITF2For
Up TF lines protective current.
5. the AT power supply trouble ranging data acquisition methods according to claim 4 based on IEC61850 and fault waveform,
Characterized in that, in the formula (1)Including following several calculations：
1) when " descending feeder breaker position ", " up feeder breaker position " are conjunction position, " standby feeder breaker position "
To divide during position：
In formula (2), Iat1 is that descending AT sucts electric current, and Iat2 is that up AT sucts electric current, and It1 is descending T line currents,
If1 is descending F line currents, and It2 is up T line currents, and If2 is up F line currents；
2) when " descending feeder breaker position ", " standby feeder breaker position " are conjunction position, " up feeder breaker position "
To divide during position：
In formula (3), Itb is standby T line currents, and Ifb is standby F line currents；
3) when " up feeder breaker position ", " standby feeder breaker position " are conjunction position, " descending feeder breaker position "
To divide during position：
4) it is conjunction by " descending feeder breaker position ", " up feeder breaker position " when three kinds of situations are all unsatisfactory for above
Position, " standby feeder breaker position " is a point position processing.
6. the AT power supply trouble ranging data acquisition methods according to claim 4 based on IEC61850 and fault waveform,
Characterized in that, in the formula (1)Calculation formula is as follows：
7. the AT power supply trouble ranging data acquisition methods according to claim 1 based on IEC61850 and fault waveform,
Characterized in that, in step C, the fault data includes following several acquisition modes：
C1：When call data type for " primary fault is called together " or " secondary failure is called together " and sub- institute's failure when the method for synchronization be
When " clock is synchronous ", COMTRADE events whole in device are traveled through according to the time-division date seconds value in the absolute time T3 of reception
Hinder wave file, find corresponding fault moment wave file, then navigate in file the fault location device with electric substation
Sampled point in the same time, calculates false voltage, electric current, reactance and position of the switch information this moment；
C2：When it for " Voltage Drop synchronous " mode or calling data type is " failure is called together " that fault location device is actual again,
Using the fault waveform file being newly generated, sampled point therein is determined with the T1 times after the total startup of protection, this is calculated
False voltage, electric current, reactance and the position of the switch information at quarter；
C3：When it is " experiment is called together " to call data type, with the analog quantity and switch of the current real-time collection of fault location device
Gauge calculates false voltage, electric current, reactance and position of the switch information this moment.
8. the AT power supply trouble ranging data acquisition methods according to claim 1 based on IEC61850 and fault waveform,
Characterized in that, the step D comprises the following steps：
D1：Switching value in power transformation in one's power sub- institute's fault data judges the method for operation of supply arm；
D2：Using fault moment electric substation with it is each son institute electrical data progress fault distance calculating.
9. the AT power supply trouble ranging data acquisition methods according to claim 8 based on IEC61850 and fault waveform,
Characterized in that, the method for operation in the step D1 include complete in parallel, full direct-furnish, descending AT, up direct-furnish, up AT, under
Row direct-furnish, up-downgoing list AT, AT institute not in parallel, the parallel connection of subregion institute, AT institutes in parallel, the full direct-furnish of subregion institute, AT in parallel, subregion institutes
The up descending direct-furnish of AT, AT institutes in parallel, the descending up direct-furnish of AT of subregion institute, AT institutes in parallel, subregion institute list AT, AT institute parallel connections and not
Band AT, unknown operation, unit mode.
10. the AT power supply trouble ranging data acquisition methods according to claim 8 based on IEC61850 and fault waveform,
Characterized in that, in step D1, carrying out judging to include following several calculations to the method for operation：
1) it is respective using AT institutes and subregion institute during fault location device setting control word " biswitch is put in parallel connection " input of electric substation
Up feeder breaker position, descending feeder breaker position, the point position of the switch in parallel, the descending AT position of the switch and up AT
The position of the switch calculates the method for operation；
2) it is respective using AT institutes and subregion institute when the fault location device setting control word " point biswitch in parallel " of electric substation is exited
The point position of the switch in parallel, the descending AT position of the switch calculate the method for operation with the up AT position of the switch；
3) it is the unknown method of operation when substation protection definite value " ranging group device quantity " is less than 2.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152669A (en) * | 2017-12-06 | 2018-06-12 | 中国铁建电气化局集团第五工程有限公司 | The method that high ferro dimension pipe traction substation promotes fault localization precision |
| CN109901018A (en) * | 2019-03-26 | 2019-06-18 | 国电南瑞南京控制***有限公司 | A kind of fault distance-finding method and system suitable for high-speed railway sectional power supply mode |
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| CN111796164A (en) * | 2020-07-16 | 2020-10-20 | 西南交通大学 | Fault location method for full-parallel AT traction network |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923138A (en) * | 2010-07-23 | 2010-12-22 | 南京国电南自轨道交通工程有限公司 | AT (Autotransformer) line fault ranging system with built-bin GPS (Global Positioning System) module |
| CN104184207A (en) * | 2013-05-27 | 2014-12-03 | 北京太格时代自动化***设备有限公司 | Integrated control method of digitalized traction substation of electrified railway |
| CN104316832A (en) * | 2014-10-08 | 2015-01-28 | 成都交大许继电气有限责任公司 | Traction power supply system fault location method applied to multiple operation modes |
| CN205070601U (en) * | 2015-07-29 | 2016-03-02 | 四川艾德瑞电气有限公司 | Based on intelligence traction substation overall framework system of IEC61850 system |
| CN105388395A (en) * | 2015-11-03 | 2016-03-09 | 成都交大许继电气有限责任公司 | GOOSE-based traction network fault distance measurement system and data transmission method thereof |
| CN105425102A (en) * | 2015-11-03 | 2016-03-23 | 成都交大许继电气有限责任公司 | High speed railway fault distance measuring system based on power supply arms |
| CN105790235A (en) * | 2016-03-28 | 2016-07-20 | 南京国电南自轨道交通工程有限公司 | Novel high-way traction power supply system capable of selective feed line tripping |
| CN106124937A (en) * | 2016-08-23 | 2016-11-16 | 南京南瑞继保电气有限公司 | A kind of railway fault localization system and method based on wireless communication mode |
-
2017
- 2017-07-05 CN CN201710543152.XA patent/CN107315131B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923138A (en) * | 2010-07-23 | 2010-12-22 | 南京国电南自轨道交通工程有限公司 | AT (Autotransformer) line fault ranging system with built-bin GPS (Global Positioning System) module |
| CN104184207A (en) * | 2013-05-27 | 2014-12-03 | 北京太格时代自动化***设备有限公司 | Integrated control method of digitalized traction substation of electrified railway |
| CN104316832A (en) * | 2014-10-08 | 2015-01-28 | 成都交大许继电气有限责任公司 | Traction power supply system fault location method applied to multiple operation modes |
| CN205070601U (en) * | 2015-07-29 | 2016-03-02 | 四川艾德瑞电气有限公司 | Based on intelligence traction substation overall framework system of IEC61850 system |
| CN105388395A (en) * | 2015-11-03 | 2016-03-09 | 成都交大许继电气有限责任公司 | GOOSE-based traction network fault distance measurement system and data transmission method thereof |
| CN105425102A (en) * | 2015-11-03 | 2016-03-23 | 成都交大许继电气有限责任公司 | High speed railway fault distance measuring system based on power supply arms |
| CN105790235A (en) * | 2016-03-28 | 2016-07-20 | 南京国电南自轨道交通工程有限公司 | Novel high-way traction power supply system capable of selective feed line tripping |
| CN106124937A (en) * | 2016-08-23 | 2016-11-16 | 南京南瑞继保电气有限公司 | A kind of railway fault localization system and method based on wireless communication mode |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152669A (en) * | 2017-12-06 | 2018-06-12 | 中国铁建电气化局集团第五工程有限公司 | The method that high ferro dimension pipe traction substation promotes fault localization precision |
| CN108152669B (en) * | 2017-12-06 | 2021-03-30 | 中国铁建电气化局集团第五工程有限公司 | Method for improving fault location precision of high-speed rail traction substation |
| CN109901018A (en) * | 2019-03-26 | 2019-06-18 | 国电南瑞南京控制***有限公司 | A kind of fault distance-finding method and system suitable for high-speed railway sectional power supply mode |
| CN111541227A (en) * | 2020-03-18 | 2020-08-14 | 天津凯发电气股份有限公司 | Wide area protection system of AT full parallel power supply network based on artificial intelligence |
| CN111541227B (en) * | 2020-03-18 | 2022-04-26 | 天津凯发电气股份有限公司 | Wide area protection system of AT full parallel power supply network based on artificial intelligence |
| CN111796164A (en) * | 2020-07-16 | 2020-10-20 | 西南交通大学 | Fault location method for full-parallel AT traction network |
| CN111796164B (en) * | 2020-07-16 | 2021-04-13 | 西南交通大学 | Fault location method for full-parallel AT traction network |
| CN114062853A (en) * | 2021-11-19 | 2022-02-18 | 许昌许继软件技术有限公司 | Feeder line fault distance measurement method and device under compound line direct supply 50% standby mode |
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