CN108663603A - The graphical analysis method of distributed wave recording, device, equipment and medium - Google Patents
The graphical analysis method of distributed wave recording, device, equipment and medium Download PDFInfo
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- CN108663603A CN108663603A CN201810473611.6A CN201810473611A CN108663603A CN 108663603 A CN108663603 A CN 108663603A CN 201810473611 A CN201810473611 A CN 201810473611A CN 108663603 A CN108663603 A CN 108663603A
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- 238000004458 analytical method Methods 0.000 title claims abstract description 34
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- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 230000004224 protection Effects 0.000 claims abstract description 41
- 238000013507 mapping Methods 0.000 claims abstract description 36
- 238000010586 diagram Methods 0.000 claims description 27
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- 238000004590 computer program Methods 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 13
- 230000007257 malfunction Effects 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 19
- 230000006870 function Effects 0.000 description 9
- 238000002845 discoloration Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
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- 238000010248 power generation Methods 0.000 description 2
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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
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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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 a kind of graphical analysis methods of distributed wave recording, including：Distributed wave recording curve to be synchronized is synchronized, synchronous recording curve is obtained；According to the mapping relations of synchronous the recording curve and DC transmission system primary equipment, dynamic loop figure is shown；Fault automatic location is carried out according to protection philosophy on the dynamic loop figure to show.The quick of failure is positioned and solved for realizing in a short time, to improve restore electricity speed and guarantee electric power netting safe running.
Description
Technical field
The present invention relates to field of power more particularly to the graphical analysis method of distributed wave recording, device, equipment and Jie
Matter.
Background technology
Modern power systems are huge and and its complicated power generation, transmission of electricity and an electricity system.It is given birth in system operation
During production, a medium-scale power network can all have tens of to hundred generating set operations, thousands of transmissions of electricity daily
Circuit couples the substation of hundreds of different voltages grades, and electric power is continually sent to user, requires electric system thus
It can safely and reliably power, and numerous power generations, transmission facility and transmission line of electricity actually in a power network, all can daily
Faulty generation.
Fault recorder data is the Main Basiss of crash analysis, can be applied to fault type judgement, fault localization, protection
Behavioural analysis, equivalent verification etc., is very important information in failure information system under fault recurrence, accident condition.Failure is recorded
Analog channel sample sequence of the wave number in includes the electrical quantity before failure and after failure, transmission line of electricity both ends failure wave-recording file
Matching fusion etc. is to utilize the electrical quantity before failure；The separate judgement of failure and fault localization etc. are to utilize the electrical quantity after failure.
When DC transmission system breaks down, concentration is passed to operations staff by the failure wave-recording for being distributed in each device,
Each device recording has different a time span and sample rate, operations staff need manual sorting analysis failure wave-recording etc. numerous from
Information is dissipated, can not realize quick positioning and solution to failure in a short time, to influence to restore electricity speed and power grid peace
Row for the national games.
Invention content
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of graphical analysis method of distributed wave recording, it can be accurate
Realize that recording curve synchronizes.
In a first aspect, the present invention provides a kind of graphical analysis methods of distributed wave recording, including：
Distributed wave recording curve to be synchronized is synchronized, synchronous recording curve is obtained；
According to the mapping relations of synchronous the recording curve and DC transmission system primary equipment, dynamic loop figure is shown；
Fault automatic location is carried out according to protection philosophy on the dynamic loop figure to show.
It is described according to the synchronous recording curve and DC power transmission system in the first possible realization method of first aspect
The mapping relations of unified secondary device, display dynamic loop figure include：
The synchronous recording curve and DC transmission system primary equipment are mapped, to obtain mapping circuit；
Obtain predetermined time value；
Preset time section interpolation is carried out to the predetermined time value, to obtain detection time section；
Obtain the electrical quantity in the detection time section of the mapping circuit；
According to the electrical quantity circuit and mark event are shown, hidden or are shown to the circuit in the dynamic loop figure
Barrier.
The possible realization method of with reference to first aspect the first, in second of possible realization method of first aspect, institute
It states and is shown, hidden or shown circuit and mark failure, packet to the circuit in the dynamic loop figure according to the electrical quantity
It includes：
When current value is not 0 and switch is closed, circuit is shown；
When current value is 0 and switch is closed, hidden wiring；
When current value is 0 and switch disconnects, hidden wiring；
When current value is not 0 and switch disconnects, circuit and mark failure are shown.
The possible realization method of with reference to first aspect the first, in the third possible realization method of first aspect, institute
It states and the synchronous recording curve and DC transmission system primary equipment is mapped, include to obtain mapping circuit:
Detecting that the recording for having existed the current or voltage that one indicates the DC transmission system primary equipment is bent
When line, the recording curve and the DC transmission system primary equipment are mapped, to obtain mapping circuit.
The possible realization method of with reference to first aspect the first, in the 4th kind of possible realization method of first aspect, institute
It states and the synchronous recording curve and DC transmission system primary equipment is mapped, further include to obtain mapping circuit：
In the record for detecting the current or voltage for having existed two DC transmission system primary equipments indicated above
When wave profile, the error between the recording curve is obtained；
When error between the recording curve is respectively less than preset value, the sampling point union of the recording curve is obtained,
Circuit is mapped to obtain；
There is minority to be more than preset value in error between the recording curve, mark line fault herein, to obtain
Map circuit.
It is described enterprising in the dynamic loop figure according to protection philosophy in the 5th kind of possible realization method of first aspect
Row fault automatic location show including：
The fault point on the dynamic loop figure is obtained according to protection philosophy；
Fault automatic location is carried out according to the fault point on the dynamic loop figure to show.
The 5th kind of possible realization method with reference to first aspect, in the 6th kind of possible realization method of first aspect, institute
It states and the fault point on the dynamic loop figure is obtained according to protection philosophy includes：
When current value is higher than preset value, over current fault point is obtained；
When the total current of same node or generalized node is not zero, region leakage current fault point is obtained；
When voltage is higher than preset value, over-voltage fault point is obtained；
It is disconnected in switch and there are when electric current, obtains switch failure fault point；
It is closed in switch and electric current is zero, and adjacent ranges electric current is not zero, obtain switch malfunction fault point.
Second aspect, the present invention also provides a kind of graphical analytical equipments of distributed wave recording, including：
Synchronization module obtains synchronous recording curve for synchronizing distributed wave recording curve to be synchronized；
Loop diagram display module, for being closed according to the mapping of the synchronous recording curve and DC transmission system primary equipment
System shows dynamic loop figure；
Positioning display module is shown for carrying out fault automatic location on the dynamic loop figure according to protection philosophy.
The third aspect, the embodiment of the present invention additionally provide a kind of graphical analytical equipment of distributed wave recording, including processor,
Memory and it is stored in the memory and is configured as the computer program executed by the processor, the processor
The distributed wave recording graphical analysis method as described in any of the above-described one is realized when executing the computer program.
Fourth aspect, the embodiment of the present invention additionally provide a kind of computer readable storage medium, described computer-readable to deposit
Storage media includes the computer program of storage, wherein the computer-readable storage is controlled when the computer program is run
Equipment where medium executes the graphical analysis method of distributed wave recording described in above-mentioned any one.
One technical solution of above-mentioned technical proposal has the following advantages that：Distributed wave recording curve to be synchronized is carried out same
Step obtains synchronous recording curve；According to the mapping relations of synchronous the recording curve and DC transmission system primary equipment, display
Dynamic loop figure；Electrical quantity on recording curve shown with circuit diagram form, more can intuitive and convenient understanding recording it is bent
Line carries out fault automatic location on the dynamic loop figure according to protection philosophy and shows, realized in a short time to failure
It quickly positions and solves, to improve restore electricity speed and guarantee electric power netting safe running.
Description of the drawings
Fig. 1 is the graphical analysis method flow diagram of distributed wave recording that first embodiment of the invention provides；
Fig. 2 is the adaptation function curve synoptic diagram that first embodiment of the invention provides；
Fig. 3 is the adaptation function curve magnification schematic diagram that first embodiment of the invention provides；
Fig. 4 be first embodiment of the invention provide synchronize before recording curve comparison schematic diagram；
Fig. 5 be first embodiment of the invention provide synchronize rear recording curve comparison schematic diagram；
Fig. 6 is the graphical analysis method flow diagram of another distributed wave recording that second embodiment of the invention provides；
Fig. 7 is existing circuit display schematic diagram；
Fig. 8 is the abstract line map schematic diagram that second embodiment of the invention provides；
Fig. 9 is the dynamic of the 1 bivalve group metallic return operating-duty test stable state moment of pole that second embodiment of the invention provides
State loop diagram；
Figure 10 is the bipolar three valve groups operating-duty test stable state moment dynamic loop figure that second embodiment of the invention provides；
Figure 11 is the graphical analysis method flow diagram of another distributed wave recording that third embodiment of the invention provides；
Figure 12 is the graphical analytical equipment structural schematic diagram of a kind of distributed wave recording that fourth embodiment of the invention provides；
Figure 13 is the schematic diagram for the graphical analytical equipment of distributed wave recording that fifth embodiment of the invention provides.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a kind of graphical analysis methods of distributed wave recording, for realizing a pair event in a short time
The quick positioning and solution of barrier restore electricity speed and ensure electric power netting safe running, carry out individually below specifically to improve
It is bright.
Embodiment one
Referring to Fig. 1, the graphical analysis method flow diagram of distributed wave recording of first embodiment of the invention offer；
S11, distributed wave recording curve to be synchronized is synchronized, obtains synchronous recording curve.
It should be noted that the operation not between the different physical quantities of synchronization is nonsensical, so markers is not right
Together, electrical quantity Time Inconsistency, can not utilize formula calculate, can not problem analysis, need herein carry out recording curve synchronization.
In the present embodiment, distributed wave recording includes multiple recorded wave files that equipment is protected from multiple controls, and each control, which is protected, to be set
Standby correspondence has corresponding recorded wave file, and each recording curve beginning and ending time having the same inside each recorded wave file adopts
Sample rate, that is to say, that each each recording of file internal is synchronous, but each recording for being different its inside of recorded wave file is bent
Line not necessarily has identical beginning and ending time, sample rate, to carry out the synchronization of multiple and different recorded wave files, as long as with wherein
Recorded wave file on the basis of one recorded wave file, certain recording curve a in the benchmark recorded wave file as benchmark recording curve,
A recording curve b is respectively chosen from other recorded wave files to be synchronized1, b2, b3..., bnIt is synchronous with recording curve a respectively, you can
Realize the synchronization of all recorded wave files.
It should be noted that the synchronous recording curve includes that the benchmark recording curve and recording to be synchronized are bent
Line.
In the present embodiment, realize that the method that recording curve synchronizes, a kind of thinking are the Characteristics of Mutation of detection recording curve
The Partial Feature of curve is utilized rather than whole features in amount, this method；Another thinking is, profit whole for recording curve
The matching degree that two recording curves are calculated with adaptation function, finds its Optimum Matching moment, is finally completed the same of recording curve
Step, the present invention are not especially limited this.
Specifically, with the pole of pole the bus current IDLH and S1P1CCP1 of the S1P1PPR obtained in NW YUNNAN engineering experiment
Bus current IDLH lags 1s respectively as recording curve a and b, wherein b ratios a.It is whole for recording curve, utilize adaptation function
The matching degree for calculating two recording curves finds its Optimum Matching moment, realizes that recording curve synchronizes.Fig. 2 and Fig. 3 show,
The high form in intermediate low both sides is presented in adaptation function m (τ), and in τ=- 1s, m is minimum, and τ is Optimum Matching point at this time.Fig. 4 and Fig. 5
It has been shown that, curve difference 1s, synchronizes rear curve and almost overlaps before synchronizing,
S12, according to the mapping relations of synchronous the recording curve and DC transmission system primary equipment, show dynamic loop
Figure.
It should be noted that in the present embodiment, the DC transmission system primary equipment includes that generator is (electronic
Machine), transformer, breaker, disconnecting switch, automatic switch, contactor, knife-like switch, busbar, transmission line of electricity, power cable, reactance
Device etc., the present invention is not especially limited this.
In the present embodiment, each node voltage, line current, on off state are obtained, virtual value, base are selectively carried out
The value of the variables such as wave amplitude, nth harmonic amplitude, and judge that the dynamic of circuit is aobvious according to electric current, voltage or on off state in circuit
Show that mode, the present invention are not especially limited this.
In the present embodiment, the dynamic loop figure is primary circuit figure, shows random time point clear and intuitively
Voltage, electric current, switch tool information etc..
S13, it fault automatic location is carried out on the dynamic loop figure according to protection philosophy shows.
In embodiments of the present invention, the protection philosophy includes overcurrent protection, overvoltage protection, current differential protection, switch
Tripping protection, switch malfunction protection etc., the present invention is not especially limited this.
In embodiments of the present invention, the fault automatic location is shown including at current value discoloration processing, voltage value discoloration
Reason, circuit discoloration processing, sign prompting and alarm and reminding etc., the present invention is not especially limited this.
In the present embodiment, according to protection philosophy, the dynamic loop figure is being detected in the event of failure, at once startup separator
Positioning, so that quickly fault automatic location can be carried out according to the recording curve of the synchronization.Effectively accelerate fault location reconciliation
Certainly speed.
Implement the present embodiment to have the advantages that：
Distributed wave recording curve to be synchronized is synchronized, synchronous recording curve is obtained；It is bent according to the synchronous recording
The mapping relations of line and DC transmission system primary equipment show dynamic loop figure；By on recording curve electrical quantity carry out with
Circuit diagram form shows, more can intuitive and convenient understanding recording curve, carried out on the dynamic loop figure according to protection philosophy
Fault automatic location shows, realizes quick positioning and solution to failure in a short time, to improve restore electricity speed and
Ensure electric power netting safe running.
Embodiment two is another distribution that second embodiment of the invention provides referring to Fig. 6 on the basis of embodiment one
The graphical analysis method flow diagram of formula recording；
Preferably, the mapping relations according to synchronous the recording curve and DC transmission system primary equipment, display
Dynamic loop figure includes：
S21, the synchronous recording curve and DC transmission system primary equipment are mapped, to obtain mapping circuit.
In the present embodiment, the synchronous recording curve includes that the benchmark recording curve and recording to be synchronized are bent
Line, the DC transmission system primary equipment include generator (motor), transformer, breaker, disconnecting switch, open automatically
Pass, contactor, knife-like switch, busbar, transmission line of electricity, power cable, reactor etc., the present invention is not especially limited this.
Specifically, by taking NW YUNNAN DC engineering as an example, control protects equipment recording and is distributed in multiple main frames, including the control of direct current station
DCC, direct current pole control PCP1 and PCP2, direct current pole protection PPR1 and PPR2, straight-wavy valve control CCP11, CCP12, CCP21, CCP22,
Direct current valve protection CPR11, CPR12, CPR21, CPR22, above-mentioned often set station control, pole control, valve control are divided into two sets of redundancies of A, B, often
The protection of set pole, valve protection are divided into tri- sets of redundancies of A, B, C, while dual station has full symmetric structure, so amounting to 64 controls
It protects host and generates recording.In addition there is the RTDS that DC filter protection, straight-wavy valve control and FPT and DPT experiment processes generate
Recording.Equipment recorded wave file structure is protected by analyzing NW YUNNAN direct current control, it is literary on the basis of S1P1PPR1 that recording is protected in NW YUNNAN control
It is synchronous with control guarantor's equipment recording that DC filter may be implemented according to table 1 in part；RTDS controls may be implemented according to table 2 and protect equipment record
Wave synchronizes；Finally realize that all distributed wave recordings are fully synchronized,
Table 1
Table 2
1 pole 2 of station may be implemented according to table 3 and 2 pole, 1/ pole 2 of standing is synchronous with station 1 pole, 1 recording, the same extremely interior institute in addition to DCC
There are recording synchronization, DCC synchronous with PCP.
Table 3
It should be noted that actually there are fixed forms in DC converter station circuit, it is straight in Fig. 7 referring to Fig. 7
Stream transmission of electricity one current conversion station circuit diagram, wherein valve area have 4, polar region have 2, bi-pole area has 1.Node voltage (such as
UDL) and line current (such as IDCH), fixed title, line switching also have fixed connection.But there are several by Fig. 7
A problem：
One, display is excessively complicated, and Fig. 7 alternating-current switch, grounding switch are not that DC control protection is most heavy when breaking down
The region of point concern.
Two, Fig. 7 indicates that closure, green indicate to disconnect with red, too in a jumble, is not easy to analysis event for switch and disconnecting link
The variation of circuit structure when barrier.
Three, the non-real-time display node voltages of Fig. 7 and line current, are also not easy to analyze.
Based on above-mentioned Fig. 7 there are the problem of, it is proposed that the abstract graph of the embodiment of the present invention.
Referring to Fig. 8, abstract line map provided in an embodiment of the present invention, including whole lines, but when true operation, entirely
Portion's line will not be connected all, can be closed some circuits according to the method for operation, be disconnected some circuits, the present invention does not limit this specifically
It is fixed.
Referring to table 3, the meaning representated by each variable：
| Serial number | Symbol | Meaning |
| 1 | UDL | Pole busbar voltage |
| 2 | UDM | Valve group mid-point voltage |
| 3 | UDN | Neutral bus voltage |
| 4 | Q1 | The remote valve midpoint disconnecting link of high/low valve |
| 5 | Q2 | The nearly valve midpoint disconnecting link of high/low valve |
| 6 | IDBPS | High/low valve by-pass current |
| 7 | IDCH | Pole bus current |
| 8 | IDCN | Neutral bus electric current |
| 9 | IDLH | Pole line current |
| 10 | IDLN | Neutral circuit electric current |
| 11 | IDEE | Earthing pole bus current |
| 12 | IDEE1 | 1 electric current of ground electrode circuit |
| 13 | IDEE2 | 2 electric current of ground electrode circuit |
| 14 | IDSG | Grounding electrode electric current in standing |
And the variable quantity that recording provides covers the quantity in table, and more than variable quantity in table, the present invention to this not
Make specific restriction, and for some variable, possible recording provides the record of several different initial times, duration, sample frequency
Wave.Such as UDL, when a length of 3s of the UDL of valve control host recording, the UDL of sample frequency 10kHz, PCP a length of 6s,
Sample frequency is 5kHz, and the UDL durations and sample frequency of RTDS can customize.Through the embodiment of the present invention to the synchronous record
Wave profile and DC transmission system primary equipment are mapped, this three curves can be comprehensively utilized, and to obtain mapping circuit, are closed
The mapping that unique circuit physical quantity is corresponded to from complete recording of reason.
Preferably, the synchronous recording curve and DC transmission system primary equipment are mapped, to obtain mapping line
Road includes:
Detecting that the recording for having existed the current or voltage that one indicates the DC transmission system primary equipment is bent
When line, the recording curve and the DC transmission system primary equipment are mapped, to obtain mapping circuit.
Preferably, described that the synchronous recording curve and DC transmission system primary equipment are mapped, it is reflected with obtaining
Ray road further includes：
In the record for detecting the current or voltage for having existed two DC transmission system primary equipments indicated above
When wave profile, the error between the recording curve is obtained；
When error between the recording curve is respectively less than preset value, the sampling point union of the recording curve is obtained,
Circuit is mapped to obtain；
There is minority to be more than preset value in error between the recording curve, mark line fault herein, to obtain
Map circuit.
Specifically, in the present embodiment, for the current/voltage of circuit：
It, will if a recording curve for indicating this current/voltage one, is had existed and only existed in multiple recorded wave files
The two directly maps.
If if two, in the presence of stem curve, merged, combination principle：If error is equal between 1, calculating several curves
Less than designated value (such as least square method calculating error), it is believed that two curve co-insides, sampled point take the union of the two.If 2, several
Between curve error have it is a small number of be more than error amount, then it is right value to take most, while being recorded in error listing " electric current herein
In the presence of correct and error value, " for reference, the present invention is not especially limited this.If 3, several curve differences are all inconsistent,
Recorded in error listing " there are error values " for reference, while in circuit diagram to mark, the present invention does not make this to have for electric current herein
Body limits.
If three, be not present homologous thread, recorded in error listing " herein electric current there is no value " for reference, at the same
It is marked in circuit diagram, the present invention is not especially limited this.
S22, predetermined time value is obtained.
It should be noted that the recording curve can be specified wherein a certain there are one the distribution of x-axis i.e. time shaft
Point can obtain the state of all voltages at that time, electric current, switch tool, also just obtain all information of complete abstract graph,
Thus it needs to be determined that a specific moment value, using as a time point of penetration.
S23, preset time section interpolation is carried out to the predetermined time value, to obtain detection time section.
In the present embodiment, for each selected predetermined time value t, it is assumed that the preset time section is
20ms is added the corresponding Lagrange's interpolation points of t and t-20ms, constructs the accurate sections 20ms, as shown in Figure 7, wherein chooses
20ms examples are that most electrical measure features commonly calculate time window if any valid value, harmonic spectrum etc., and the present invention is to the time
Window length is not especially limited.It is emphasised that " accurate " this feature, because only according to existing discrete sampling point, without
The processing such as interpolation can not directly obtain 20ms time windows, can not then accurately calculate electrical measure feature.
Electrical quantity in S24, the acquisition detection time section for mapping circuit.
It should be noted that the detection time section constructed is related with the time interval period in order to calculate
Electrical quantity, such as effective value etc., effective value is the basis subsequently judged.
S25, according to the electrical quantity circuit and figure are shown, hidden or are shown to the circuit in the dynamic loop figure
Shapeization identifies failure.
Preferably, described that the circuit in the dynamic loop figure is shown, hidden or shown according to the electrical quantity
Circuit and graphical mark failure includes：
When current value is not 0 and switch is closed, circuit is shown；
When current value is 0 and switch is closed, hidden wiring；
When current value is 0 and switch disconnects, hidden wiring；
When current value is not 0 and switch disconnects, circuit and mark failure are shown.
In the present embodiment, it is based on having synchronized recording, according to region differential current principle, it can be determined that leakage current, and will
This area identification comes out, while all types failure such as may determine that and showing overvoltage, overcurrent according to other protection philosophies, ginseng
See Fig. 9, indicates the dynamic loop figure at 1 bivalve group metallic return operating-duty test stable state moment of pole.Figure 10 indicates bipolar three valve
Group (pole 1 intersects valve group) operating-duty test stable state moment dynamic loop figure, and judge 1 DC bus on off state of outbound 1 pole
It is abnormal, while there is difference stream failure in 2 poles 1 of standing.Therefore, the embodiment of the present invention constructs dynamic loop figure and shows fault message,
The judgement and solution of failure can effectively be accelerated.
Implement the present embodiment to have the advantages that：To the synchronous recording curve and DC transmission system primary equipment
It is mapped, to obtain mapping circuit；Obtain predetermined time value；Preset time section interpolation is carried out to the predetermined time value,
To obtain detection time section；Obtain the electrical quantity in the detection time section of the mapping circuit；According to described electrical
Amount is shown, hidden or is shown to the circuit in the dynamic loop figure and identifies failure.It is reflected based on recording and primary circuit
Penetrate relationship, construct and hide the dynamic loop figure without logical circulation road, show clear and intuitively the voltage of random time point, electric current,
Switch tool information.
Embodiment three is the another kind point that third embodiment of the invention provides referring to Figure 11 on the basis of embodiment one
The graphical analysis method flow diagram of cloth recording；
Preferably, it is described carried out on the dynamic loop figure according to protection philosophy fault automatic location show including：
S31, the fault point on the dynamic loop figure is obtained according to protection philosophy；
S32, it fault automatic location is carried out on the dynamic loop figure according to the fault point shows.
Preferably, described fault point on the dynamic loop figure is obtained according to protection philosophy to include：
When current value is higher than preset value, over current fault point is obtained；
When the total current of same node or generalized node is not zero, region leakage current fault point is obtained；
When voltage is higher than preset value, over-voltage fault point is obtained；
It is disconnected in switch and there are when electric current, obtains switch failure fault point；
It is closed in switch and electric current is zero, and adjacent ranges electric current is not zero, obtain switch malfunction fault point.
Specifically, referring to Fig. 9 and Figure 10, described Fig. 9 and Figure 10 are to all circuits to voltage, electric current, on off state
It describes.One, electric current is higher than definite value, and referred to as overcurrent protection can be handled current value discoloration, and the present invention does not limit this specifically
It is fixed；Two, adjacent two sections or the same generalized node all outlet ports total current are not zero, referred to as current differential protection, indicate this area
There is leakage current in domain, can outline this region, the present invention is not especially limited this；Three, voltage is higher than definite value, and referred to as overvoltage is protected
Shield, can be handled voltage value discoloration, the present invention is not especially limited this；Four, on off state is disconnection but there are electric current, tables
Bright switch failure can be handled circuit discoloration, and the present invention is not especially limited this；Five, on off state is to be closed still electric current
It is 0, while electric current is not zero in adjacent ranges, shows to switch malfunction, circuit discoloration can be handled, the present invention does not make this specifically
It limits；Six, above several basic protections judge in conjunction with operating mode and time, can be combined into all types of breakdown judges, simultaneously
Judging result can be directly displayed on figure, keep operation present situation more intuitive.
Implement the present embodiment to have the advantages that：The automatic positioning identification method of failure is realized using protection philosophy,
It effectively accelerates fault location and solves speed.
It is the graphical analytical equipment structure of a kind of distributed wave recording that fourth embodiment of the invention provides referring to Figure 12, Figure 12
Schematic diagram, including：
Synchronization module 41 obtains synchronous recording curve for synchronizing distributed wave recording curve to be synchronized；
Loop diagram display module 42, for the mapping according to synchronous the recording curve and DC transmission system primary equipment
Relationship shows dynamic loop figure；
Positioning display module 43, it is aobvious for carrying out fault automatic location on the dynamic loop figure according to protection philosophy
Show.
Preferably, the loop diagram display module 42 includes：
Circuit acquiring unit is mapped, for being reflected to the synchronous recording curve and DC transmission system primary equipment
It penetrates, to obtain mapping circuit；
Predetermined time acquiring unit, for obtaining predetermined time value；
Detection interval acquiring unit, for carrying out preset time section interpolation to the predetermined time value, to obtain detection
Time interval；
Electrical quantity acquiring unit, the electrical quantity in the detection time section for obtaining the mapping circuit；
Display unit, for the circuit in the dynamic loop figure to be shown, hidden or shown according to the electrical quantity
Timberline road and graphically identify failure.
Preferably, the display unit includes：When current value is not 0 and switch is closed, circuit is shown；
When current value is 0 and switch is closed, hidden wiring；
When current value is 0 and switch disconnects, hidden wiring；
When current value is not 0 and switch disconnects, circuit and mark failure are shown.
Preferably, the loop diagram display module 42 includes：
Detecting that the recording for having existed the current or voltage that one indicates the DC transmission system primary equipment is bent
When line, the recording curve and the DC transmission system primary equipment are mapped, to obtain mapping circuit.
Preferably, the loop diagram display module 42 further includes：
In the record for detecting the current or voltage for having existed two DC transmission system primary equipments indicated above
When wave profile, the error between the recording curve is obtained；
When error between the recording curve is respectively less than preset value, the sampling point union of the recording curve is obtained,
Circuit is mapped to obtain；
There is minority to be more than preset value in error between the recording curve, mark line fault herein, to obtain
Map circuit.
Preferably, the positioning display module 43 includes：
Fault point acquiring unit, for obtaining the fault point on the dynamic loop figure according to protection philosophy；
Locating and displaying unit, it is aobvious for carrying out fault automatic location on the dynamic loop figure according to the fault point
Show.
Preferably, the fault point acquiring unit includes：
When current value is higher than preset value, over current fault point is obtained；
When the total current of same node or generalized node is not zero, region leakage current fault point is obtained；
When voltage is higher than preset value, over-voltage fault point is obtained；
It is disconnected in switch and there are when electric current, obtains switch failure fault point；
It is closed in switch and electric current is zero, and adjacent ranges electric current is not zero, obtain switch malfunction fault point.
Implement the present embodiment to have the advantages that：
Based on recording and primary circuit mapping relations, constructs and hide the dynamic loop figure without logical circulation road, clear and intuitively
It shows the voltage, electric current, switch tool information of random time point, while realizing the automatic positioning mark of failure using protection philosophy
Knowledge method effectively accelerates fault location and solves speed.
Figure 13 is referred to, Figure 13 is the signal for the graphical analytical equipment of distributed wave recording that fifth embodiment of the invention provides
Figure, for executing the graphical analysis method of distributed wave recording provided in an embodiment of the present invention, as shown in Figure 13, distribution record
The terminal device that wave is graphically analyzed includes：At least one processor 11, such as CPU, at least one network interface 14 or its
His user interface 13, memory 15, at least one communication bus 12, communication bus 12 is for realizing the connection between these components
Communication.Wherein, user interface 13 may include optionally USB interface and other standards interface, wireline interface.Network interface 14
Optional may include Wi-Fi interface and other wireless interfaces.Memory 15 may include high-speed RAM memory, it is also possible to
Further include non-labile memory (non-volatilememory), a for example, at least magnetic disk storage.Memory 15 can
Choosing can include at least one storage device for being located remotely from aforementioned processor 11.
In some embodiments, memory 15 stores following element, executable modules or data structures, or
Their subset or their superset:
Operating system 151, including various system programs, for realizing various basic businesses and hardware based of processing
Business；
Program 152.
Specifically, processor 11 executes point described in above-described embodiment for calling the program 152 stored in memory 15
The graphical analysis method of cloth recording.
Alleged processor can be central processing unit (Central Processing Unit, CPU), can also be it
His general processor, digital signal processor (Digital Signal Processor, DSP), application-specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor can also be any conventional processor
Deng the processor is the control centre of the graphical analysis method of the distributed wave recording, utilizes various interfaces and connection
The various pieces of the entire graphical analysis method of distributed wave recording.
The memory can be used for storing the computer program and/or module, and the processor is by running or executing
Computer program in the memory and/or module are stored, and calls the data being stored in memory, realizes distribution
The various functions for the electronic device that formula recording is graphically analyzed.The memory can include mainly storing program area and storage data
Area, wherein storing program area can storage program area, needed at least one function application program (such as sound-playing function,
Text conversion function etc.) etc.；Storage data field can be stored uses created data (such as audio data, text according to mobile phone
Word message data etc.) etc..In addition, memory may include high-speed random access memory, can also include non-volatile memories
Device, such as hard disk, memory, plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (Secure
Digital, SD) card, flash card (Flash Card), at least one disk memory, flush memory device or other volatibility are solid
State memory device.
Wherein, if graphically the integrated module of analysis is realized in the form of SFU software functional unit simultaneously the distributed wave recording
When sold or used as an independent product, it can be stored in a computer read/write memory medium.Based on such reason
Solution, the present invention realize all or part of flow in above-described embodiment method, can also instruct correlation by computer program
Hardware complete, the computer program can be stored in a computer readable storage medium, which exists
When being executed by processor, it can be achieved that the step of above-mentioned each embodiment of the method.Wherein, the computer program includes computer journey
Sequence code, the computer program code can be source code form, object identification code form, executable file or certain intermediate shapes
Formula etc..The computer-readable medium may include：Any entity or device, note of the computer program code can be carried
Recording medium, USB flash disk, mobile hard disk, magnetic disc, CD, computer storage, read-only memory (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium
Deng.It should be noted that the content that the computer-readable medium includes can be real according to legislation in jurisdiction and patent
The requirement trampled carries out increase and decrease appropriate, such as in certain jurisdictions, according to legislation and patent practice, computer-readable medium
Do not include electric carrier signal and telecommunication signal.
It should be noted that the apparatus embodiments described above are merely exemplary, wherein described be used as separating component
The unit of explanation may or may not be physically separated, and the component shown as unit can be or can also
It is not physical unit, you can be located at a place, or may be distributed over multiple network units.It can be according to actual
It needs that some or all of module therein is selected to achieve the purpose of the solution of this embodiment.In addition, device provided by the invention
In embodiment attached drawing, the connection relation between module indicates there is communication connection between them, specifically can be implemented as one or
A plurality of communication bus or signal wire.Those of ordinary skill in the art are without creative efforts, you can to understand
And implement.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
It should be noted that in the above-described embodiments, all emphasizing particularly on different fields to the description of each embodiment, in some embodiment
In the part that is not described in, may refer to the associated description of other embodiment.Secondly, those skilled in the art should also know
It knows, embodiment described in this description belongs to preferred embodiment, and involved action and simulation must be that the present invention must
Must.
Claims (10)
1. a kind of graphical analysis method of distributed wave recording, which is characterized in that including：
Distributed wave recording curve to be synchronized is synchronized, synchronous recording curve is obtained；
According to the mapping relations of synchronous the recording curve and DC transmission system primary equipment, dynamic loop figure is shown；
Fault automatic location is carried out according to protection philosophy on the dynamic loop figure to show.
2. the graphical analysis method of distributed wave recording according to claim 1, which is characterized in that described according to the synchronization
The mapping relations of recording curve and DC transmission system primary equipment, display dynamic loop figure include：
The synchronous recording curve and DC transmission system primary equipment are mapped, to obtain mapping circuit；
Obtain predetermined time value；
Preset time section interpolation is carried out to the predetermined time value, to obtain detection time section；
Obtain the electrical quantity in the detection time section of the mapping circuit；
According to the electrical quantity circuit and graphical mark are shown, hidden or are shown to the circuit in the dynamic loop figure
Failure.
3. the graphical analysis method of distributed wave recording according to claim 2, which is characterized in that described according to described electrical
It measures and is shown, hidden or shown circuit to the circuit in the dynamic loop figure and graphically identify failure, including：
When current value is not 0 and switch is closed, circuit is shown；
When current value is 0 and switch is closed, hidden wiring；
When current value is 0 and switch disconnects, hidden wiring；
When current value is not 0 and switch disconnects, circuit and mark failure are shown.
4. the graphical analysis method of distributed wave recording according to claim 2, which is characterized in that described to the synchronous record
Wave profile and DC transmission system primary equipment are mapped, and include to obtain mapping circuit:
When detecting the recording curve for having existed the current or voltage that one indicates the DC transmission system primary equipment,
The recording curve and the DC transmission system primary equipment are mapped, to obtain mapping circuit.
5. the graphical analysis method of distributed wave recording according to claim 2, which is characterized in that described to the synchronous record
Wave profile and DC transmission system primary equipment are mapped, and further include to obtain mapping circuit：
It is bent in the recording for detecting the current or voltage for having existed two DC transmission system primary equipments indicated above
When line, the error between the recording curve is obtained；
When error between the recording curve is respectively less than preset value, the sampling point union of the recording curve is obtained, to obtain
Take mapping circuit；
There is minority to be more than preset value in error between the recording curve, mark line fault herein, to obtain mapping
Circuit.
6. the graphical analysis method of distributed wave recording according to claim 1, which is characterized in that described according to protection philosophy
On the dynamic loop figure carry out fault automatic location show including：
The fault point on the dynamic loop figure is obtained according to protection philosophy；
Fault automatic location is carried out according to the fault point on the dynamic loop figure to show.
7. the graphical analysis method of distributed wave recording according to claim 6, which is characterized in that described according to protection philosophy
The fault point obtained on the dynamic loop figure includes：
When current value is higher than preset value, over current fault point is obtained；
When the total current of same node or generalized node is not zero, region leakage current fault point is obtained；
When voltage is higher than preset value, over-voltage fault point is obtained；
It is disconnected in switch and there are when electric current, obtains switch failure fault point；
It is closed in switch and electric current is zero, and adjacent ranges electric current is not zero, obtain switch malfunction fault point.
8. a kind of graphical analytical equipment of distributed wave recording, which is characterized in that including：
Synchronization module obtains synchronous recording curve for synchronizing distributed wave recording curve to be synchronized；
Loop diagram display module is used for the mapping relations according to synchronous the recording curve and DC transmission system primary equipment,
Show dynamic loop figure；
Positioning display module is shown for carrying out fault automatic location on the dynamic loop figure according to protection philosophy.
9. a kind of graphical analytical equipment of distributed wave recording, including processor, memory and be stored in the memory and
It is configured as the computer program executed by the processor, the processor realizes such as right when executing the computer program
It is required that the graphical analysis method of distributed wave recording described in any one of 1 to 7.
10. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium includes the calculating of storage
Machine program, wherein equipment where controlling the computer readable storage medium when the computer program is run is executed as weighed
Profit requires the graphical analysis method of the distributed wave recording described in any one of 1 to 7.
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Effective date of registration: 20210712 Address after: No. 11, Kexiang Road, Science City, Huangpu District, Guangzhou City, Guangdong Province Patentee after: China South Power Grid International Co.,Ltd. Patentee after: CHINA SOUTHERN POWER GRID Co.,Ltd. Address before: No. 11, Kexiang Road, Science City, Huangpu District, Guangzhou City, Guangdong Province Patentee before: China South Power Grid International Co.,Ltd. Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Patentee before: CHINA SOUTHERN POWER GRID Co.,Ltd. |