CN109633297A - Failure judgment method and system under a kind of key signal deletion condition - Google Patents
Failure judgment method and system under a kind of key signal deletion condition Download PDFInfo
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- CN109633297A CN109633297A CN201811333677.1A CN201811333677A CN109633297A CN 109633297 A CN109633297 A CN 109633297A CN 201811333677 A CN201811333677 A CN 201811333677A CN 109633297 A CN109633297 A CN 109633297A
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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
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Abstract
The present invention relates to the failure judgment method and system under a kind of key signal deletion condition, for realizing: when detecting one or more front equipment end signals in distribution system, outlet switch tripping analysis is carried out to front equipment end signal, judges whether to trip；If after the judgement outlet switch tripping, further analyzing outlet switch protection signal, judging whether it is fault trip；Judge to send remote signalling message to backstage substation after the type of tripping, and updates front equipment end in the topology status of distribution system.The invention has the benefit that accurate judgement can be made to line fault under the station in the case where EMS forwards leakage to send or be delayed and is more than specified range；Accurate judgement can be made to line fault under the station in the case where transformer station's signal is not forwarded and do not adopted directly yet.
Description
Technical field
The present invention relates to the failure judgment methods and system under a kind of key signal deletion condition, belong to computer and electric power
Field.
Background technique
In the operation of power distribution automation main station system, in most cases, the three remote signalling breath of substation is required through EMS system
It unites to power distribution automation main station system forwards, due to EMS forwarding mechanism etc., the power transformation that causes distribution main station system to receive
Information of standing inevitably has that being sent to distribution main station system in the loss or signal of signal has larger delay, this 2
Reason can all cause the feeder fault processing of distribution main station system not start.
There are two existing power distribution automation main station system feeder fault starting decision condition is main.First is that switch trip is necessary
Generate power supply interrupted district；Second is that with trip signal to must satisfy the regular hour poor for the protection signal that receives of system.As long as full simultaneously
The two conditions of foot, system just will start feeder fault processing routine.
As shown in Figure 1, the same outlet that any time receives between T1 to T2 is opened in the case where tripping has power supply interrupted district
It closes trip signal and all meets feeder fault entry condition, wherein Δ T01、ΔT02It can all set, the T0 in Fig. 1 is protection
The time of movement.
Such as the scheme of Fig. 1, the troubleshooting i.e. in the case where transformer station's signal is by EMS forwarding is had the following disadvantages:
Starting place one's entire reliance upon message forwarding reliability and real-time, when EMS forwarding there is a situation where leakage turn or be delayed larger
Under, when breaking down in distribution network systems, main station system cannot correctly identify and startup separator processing routine.
Summary of the invention
Several exemplary aspects of the disclosure are summarized as follows.This summary is provided to the convenience of reader, to provide to this
The basic comprehension of a little embodiments rather than fully limit the scope of the invention.This summarizes the extensive of not all contemplated embodiments
Summary, and it is neither intended to mark crucial or important element in all aspects, the range in terms of any or all is not described yet.Its
Sole purpose is that some concepts of one or more embodiments are presented in simplified form, retouches in more detail as what is presented later
The prelude stated.For convenience, term " some embodiments " herein can be used for referring to the single embodiment or multiple of the disclosure
Embodiment.
In view of the above-mentioned problems, the invention proposes failure judgment method and system under a kind of key signal deletion condition,
Solve the deficiencies in the prior art.The technical program mainly includes two big functions.Infer whether outlet switch occurs the trip time,
When live outlet switch trips, it is normal for the specific terminal in part in its scope of power outage have the signal changed therewith, and
And be always maintained at until outlet switch closes rear involution again, therefore we can also according to the action signal of these on route come
It is counter to push away current outlet switch state；Infer whether outlet switch occurs protection act event, if live outlet switch tripping
Caused by being line fault, then can all there is over current fault signal on the switch of the supply path of fault point, non-failure point is removed
The just head end region after outlet switch, otherwise, we can release whether wiretap has protection to believe according to this feature is counter
Number occur.
Technical solution of the present invention includes the failure judgment method under a kind of key signal deletion condition, which is characterized in that
Method includes the following steps: S1, when detecting one or more front equipment end signals in distribution system, to front equipment end
Signal carries out outlet switch tripping analysis, judges whether to trip；S2, if after the step S1 judges outlet switch tripping, into one
Step analyzes outlet switch protection signal, judges whether it is fault trip；S3 becomes after judging the type of tripping to backstage
Power station sends remote signalling message, and updates front equipment end in the topology status of distribution system.
According to the failure judgment method under the key signal deletion condition, wherein this method further include: manual operation
Releasing is distributional to outlet switch tripping deduction, wherein the outlet switch state after releasing deduction is distributional is that remote signalling message is finally sent to
The state of distribution system.
According to the failure judgment method under the key signal deletion condition, wherein this method further include: when state more
When new treatment progress receives the shape varying signal of one or more front equipment ends, the state of criterion power outlet switch whether be
It closes, and does not hang test, board is kept then to apply for that outlet switch estimating state analyzes timer；It is received out when state updates treatment progress
Wiretap cancels outlet switch estimating state analysis timer when dividing shape varying signal；It is super that outlet switch estimating state analyzes timer
Constantly starting outlet switch estimating state analysis processing, terminates if inferring conjunction, if substation's remote signalling is called in deduction point together
Operation is called out, and updates topology by isloation state, deduction event is recorded, notice fault verification processing.
According to the failure judgment method under the key signal deletion condition, wherein the step S1 is specifically included:
S11, judge the outlet switch whether virtual condition for point, wherein judging that premise be outlet switch current state is conjunction；S12 is right
Outlet switch signal is screened, and is believed the signal of one or more front equipment ends in outlet switch scope of power outage as analysis
Number, wherein front equipment end includes but is not limited to that house dog, on-load switch, shutter and case become；S13, to one of front equipment end
Or the electrification power loss coefficient of multiple outlet switchs is set, according to actual acquisition to signal calculate and judge switch for power loss
State or electriferous state.
According to the failure judgment method under the key signal deletion condition, wherein the step S13 is specifically included:
It uses
Outlet switch is judged, wherein
X1+X2+...+XnSignal n safety factor X is arrived for signal 11To XnSummation, wherein Xa+Xb+...+XkIt is arrived for signal 1
The signal summation of signal n；Wherein, IAA possibility that this switch power loss of the bigger characterization of numerical value, is bigger；IANumerical value is smaller and less than 0
When then indicate this switch electrification a possibility that it is bigger；Work as IAWhen=0, then it can not determine that switch is electrification or power loss on earth.
According to the failure judgment method under the key signal deletion condition, wherein this method further include: S14, setting
I when switch is in communication abnormalityA=0, the I of manual switchA=0；S15, the coefficient of configuration switch are always equal to all switches of load side
The sum for charging power loss coefficient, to the switch design factor summation of outlet switch, manual switch and communication abnormality.S16, when outlet is opened
When the coefficient summation and coefficient summation that the coefficient summation of pass is more than or equal to other switches on route are more than or equal to 1, judge that outlet is opened
Closing is isloation state.
According to the failure judgment method under the key signal deletion condition, wherein the step S2 is specifically included:
S21 generates the timer of reinspection guard mode in outlet switch tripping, when the timer expires, determines currently whether receive
The inference analysis of the accident resultant signal then starting protection signal of the protection signal or substation of outlet switch；S22, when receiving
When protecting signal and/or accident resultant signal, judgement and fault-signal to fault-signal generate the time based on decision rule progress
Analysis.
According to the failure judgment method under the key signal deletion condition, wherein the step S22 is specifically included: when
FCB is to finding two or more switches meets first condition and second condition simultaneously in paths traversed between any end region
When, then determine that accident always occurs；Meet first condition and second when at most finding one on FCB to the path between any end region
The automatic Switching of condition, then the automatic Switching that FCB to the switch passes through, which is less than when being equal to 1, then determines accident；Its
In, first condition is that FCB powers off all automation switching signals in range, and wherein second condition is the fault actions time from working as
Fault signal analysis of the preceding time less than 1 minute automation switching signal collected, the automation switching signal is for inferring
Whether accident occurs.
Technical solution of the present invention further includes under a kind of key signal deletion condition for executing above-mentioned any means
Fault verification system, which is characterized in that the system includes: tripping determination module, for working as one detected in distribution system
Or when multiple equipment front end signal, outlet switch tripping analysis is carried out to front equipment end signal, judges whether to trip；Protect signal
Determination module, if after the step S1 judges outlet switch tripping, further analyzing outlet switch protection signal, judging
It whether is fault trip；Remote signal module sends remote signalling message to backstage substation after the type for judging tripping, and updates
Topology status of the front equipment end in distribution system.
The invention has the benefit that can be in the case where EMS forwards leakage to send or be delayed and is more than specified range, to the station
Lower line fault makes accurate judgement；It can be in the case where transformer station's signal not be forwarded and is not adopted directly yet, to route under the station
Failure makes accurate judgement.
Detailed description of the invention
Fig. 1 show prior-art illustration；
Fig. 2 show overview flow chart of the invention；
Fig. 3 show the system structure diagram of embodiment according to the present invention；
Fig. 4 show the flow chart of embodiment according to the present invention；
For according to the line map for switch trip judgement of embodiment of the present invention described in Fig. 5；
For according to the line map for switch fault judgement of embodiment of the present invention described in Fig. 6；
Fig. 7 is to infer flow chart according to the switch trip of embodiment of the present invention；
Fig. 8 show the flow chart of the protection signal inference analysis of embodiment according to the present invention.
Specific embodiment
Technical solution of the present invention includes a kind of data verification method and system based on templating data base view, is applicable in
It is clear, complete in being carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation
Description, to be completely understood by the purpose of the present invention, scheme and effect.
It should be noted that unless otherwise specified, when a certain feature referred to as " fixation ", " connection " are in another feature,
It can directly fix, be connected to another feature, and can also fix, be connected to another feature indirectly.In addition, this
The descriptions such as the upper and lower, left and right used in open are only the mutual alignment pass relative to each component part of the disclosure in attached drawing
For system.The "an" of used singular, " described " and "the" are also intended to including most forms in the disclosure, are removed
Non- context clearly expresses other meaning.In addition, unless otherwise defined, all technical and scientific terms used herein
It is identical as the normally understood meaning of those skilled in the art.Term used in the description is intended merely to describe herein
Specific embodiment is not intended to be limiting of the invention.Term as used herein "and/or" includes one or more relevant
The arbitrary combination of listed item.
It will be appreciated that though various elements, but this may be described using term first, second, third, etc. in the disclosure
A little elements should not necessarily be limited by these terms.These terms are only used to for same type of element being distinguished from each other out.For example, not departing from
In the case where disclosure range, first element can also be referred to as second element, and similarly, second element can also be referred to as
One element.The use of provided in this article any and all example or exemplary language (" such as ", " such as ") is intended merely to more
Illustrate the embodiment of the present invention well, and unless the context requires otherwise, otherwise the scope of the present invention will not be applied and be limited.
Fig. 2 show overview flow chart of the invention.Comprising: S1, when detecting one or more of distribution system
When front equipment end signal, outlet switch tripping analysis is carried out to front equipment end signal, judges whether to trip；S2, if the step
After S1 judges outlet switch tripping, further outlet switch protection signal is analyzed, judges whether it is fault trip；S3,
Judge to send remote signalling message to backstage substation after the type of tripping, and updates front equipment end in the topological shape of distribution system
State.
Fig. 3 show the system structure diagram of embodiment according to the present invention.Specifically include: tripping determination module is used for
When detecting one or more front equipment end signals in distribution system, outlet switch tripping point is carried out to front equipment end signal
Analysis, judges whether to trip；Signal decision module is protected, if after the step S1 judges outlet switch tripping, further to outlet
Switch protection signal is analyzed, and fault trip is judged whether it is；Remote signal module, for judge tripping type after Xiang Houtai
Substation sends remote signalling message, and updates front equipment end in the topology status of distribution system.
Fig. 4 show the flow chart of embodiment according to the present invention.Increase by two moulds in original fault verification process
Block --- " outlet switch tripping inference analysis ", " guard mode inference analysis ".Table is received when presence updates processing routine
When levying the low signal of equipment source side voltage, notice arrives " outlet switch tripping inference analysis " module, on module synthesis distribution wire
State remote signalling analysis outlet switch trip event has occurred, then notify fault determination module.Fault determination module is worked as in inspection
It is preceding whether have protection signal occur when, if currently not receiving protection signal, be transferred to " guard mode inference analysis "
Module, the fault-signal on module synthesis route infer whether outlet switch has protection act, there is then startup separator processing.
It is the line map for switch trip judgement according to embodiment of the present invention described in Fig. 5, is jumped for outlet switch
The deduction of lock, wherein as shown in the figure: F1-F3 is normally closed on-load switch, K1-K5 is house dog, L1-L2 be normally opened on-load switch,
S1 is manual switch.After outlet switch tripping, it is normal for the specific terminal in part in its scope of power outage have and become therewith
The signal of change, and be always maintained at until outlet switch closes rear involution again, therefore we can also be according to this on route
A little action signals push away current outlet switch state come counter., the action signal one that generates therewith when such as table 1 being front equipment end power loss
Look at table
The action signal list that following table generates therewith when being front equipment end power loss
Table 1
It is specific as follows based on the estimating method that table 1 and figure outlet switch trip:
(1) outlet switch current state is to close just to need to go to infer whether virtual condition is point to the outlet switch.
(2) signal become using the house dog in outlet switch scope of power outage, on-load switch, shutter, case
(3) " electrification power loss coefficient " the characterization automatic switch for defining switch is electriferous state or power failure state, it is assumed that is opened
Closing A to have n signal is acted with power loss, and definition signal 1 arrives safety factor X1 to the Xn of signal n, " electrification power loss coefficient "
It is defined as follows:
Visible when signal reliably can be passed to backstage by switch, the I by formulaAThis switch power loss of the bigger characterization of numerical value
A possibility that it is bigger, numerical value is smaller, and a possibility that this switch electrification is characterized (less than 0), is bigger, works as IAWhen being 0, it not can determine that out
Pass is electrification or power loss on earth.
By taking on-load switch as an example, defining the safety factor without pressure release is 2, and safety factor of the source side without pressure alarm is 1,
Load side without pressure alarm safety factor be 1, if the switch be currently without pressure release movement, source side without press make, load side
Without pressure involution, then " the electrification power loss coefficient " of the switch is
IA=(2+1+1) * ((2+1)/(2+1+1) -0.5)=1
For house dog, only source side can be used to calculate its " electrification power loss coefficient " without pressure alarm, define power supply
Safety factor of the side without pressure alarm is 1, it is evident that when source side is without pressure alarm movement (IA=0.5), when source side is without pressure
When alerting involution (IA=-0.5).
(4) IA=0, the IA=0 of manual switch when prescribed switch is in communication abnormality.
(5) " coefficient is total " for defining switch is equal to the sum of all switches of load side " electrification power loss coefficient ", and only outlet is opened
Close, manual switch (on-load switch rather than disconnecting link), communication abnormality switch needs go to calculate " coefficient is total ".
(6) when " coefficient is total " and " coefficient is total " that " coefficient is total " of outlet switch is more than or equal to other switches on route is greater than
When equal to 1, infer that outlet switch is point.
Technical solution of the present invention also proposed following example:
Example 1: when actual conditions FCB divides, and signal is all normal on route, distribution wire state is in the following table 2 state
Table 2
Calculate " coefficient is total " of each switch
FCB:IF1+IF2+IF3+IK1+IK2+IK3+IK4+IK5=8.5
S1:IK4+IK5=1
It can be inferred that FCB points
Example 2: when actual conditions FCB is closed, S1 is point, and when signal is all normal on route, distribution wire state is in the following table 3
State
Table 3
Calculate " coefficient is total " of each switch
FCB:IF1+IF2+IF3+IK1+IK2+IK3+IK4+IK5=-6.5
S1:IK4+IK5=1
It can be inferred that FCB is closed
Example 3: when actual conditions FCB is closed, F2 it is unresponsive and for point, and when signal is all normal on route, distribution wire state
In the following table 4 state
Table 4
Calculate " coefficient is total " of each switch
FCB:IF1+IF2+IF3+IK1+IK2+IK3+IK4+IK5=0.5
S1:IK4+IK5=1
F2:IF3+IK3+IK4+IK5=3.5
It can be inferred that FCB is closed
Example 4: as actual conditions FCB point, F2 is unresponsive, F1 not on the number of delivering letters, but the normal shape of communication is still on DAS
When other signals are all normal in state and route, distribution wire state is in the following table 5 state
Table 5
Calculate " coefficient is total " of each switch
FCB:IF1+IF2+IF3+IK1+IK2+IK3+IK4+IK5=2.5
S1:IK4+IK5=1
F2:IF3+IK3+IK4+IK5=3.5
It can be inferred that FCB is closed
This result inferred seems not to be consistent with practical, and " coefficient is total " difference of actually FCB and F2 are equal to IF1+IK1+
IK2, IF1+IK1+IK2It is positive and negative determine judgement as a result, it is also believed that determining that FCB conjunction is correct K1 and K2 at this time
Send source side without pressure action signal on all wrong, it is that three signals of F1 all do not come up on earth that this, which just needs us to go judgement,
Or K1 and K2 all on sent error signal, the definition of the safety factor of each signal just is with regard to important in this case, false
If assumed load switch without pressure release safety factor be 1, source side without pressure alarm safety factor be 0.5, load side without
The safety factor of pressure alarm is 0.5, and safety factor of the house dog source side without pressure alarm is 1, then each switch " electrification power loss system
The value of number " is as follows
Table 6
Calculate " coefficient is total " of each switch
FCB:IF1+IF2+IF3+IK1+IK2+IK3+IK4+IK5=2.5
S1:IK4+IK5=1
F2:IF3+IK3+IK4+IK5=2.5
At this moment it can be inferred that FCB divides, from actual angle, I thinks that all upper wrong signal of two switches is switched than one
Not upper signal is more credible.Therefore set combination switch without pressure release safety factor be 1, source side without press alert can
It is 0.5 by coefficient, safety factor of the load side without pressure alarm is 0.5, and safety factor of the house dog source side without pressure alarm is 1 more
It is reliable.
For according to the line map for switch fault judgement of embodiment of the present invention described in Fig. 5.It is as shown in the figure: F1-F9
It is normally opened on-load switch for normally closed on-load switch, L1-L2.Outlet switch protection signal deduction is provided as follows: being opened in outlet
When closing tripping, system can apply for the timer (time, Δ T can be set) of a reinspection guard mode, when the timer expires, sentence
The deduction point of the fixed accident resultant signal currently without the protection signal or substation that receive outlet switch then starting protection signal
Analysis.Protect the inference analysis method of signal when accident occurs on route, from the accident point to all of outlet switch path
Fault current can all be flowed through by switching, and all automatic Switchings should all generate fault-signal on path.As long as therefore in principle
There is switch to generate fault-signal it is concluded that substation accident resultant signal out on route.But we will consider switch misdelivery letter
Number (including the case where dither signal) avoids mistakenly inferring that accident resultant signal starts accident treatment program.Therefore in addition to determining
Signal also needs to determine the time that the signal generates other than whether generating, the generation time the close from current time more can represent the event
Hindering signal is due to caused by this emergency stop valve trip (signal is reliable when Dwell duration difference was less than 1 minute).It is former now to summarize judgement
Then as follows: 1) all automatic Switchings (communication is normal) in FCB scope of power outage participate in inference analysis；2) the fault actions time
Fault-signal from current time less than 1 minute is for inferring that accident resultant signal occurs；3) when FCB is passed through between any end region
In the path crossed while finding eligible 1,2, two or more switches, judgement accident always occurs；4) when FCB is to arbitrarily
The switch for meeting condition 1 and condition 2 is at most found on the path in end section, if that FCB passed through to the switch
Automatic Switching, which is less than when being equal to 1, determines that accident always occurs.
By taking Fig. 6 as an example, following example in technical solution of the present invention proposes:
It is now assumed that determining that event is both less than 1 minute in all fault-signal generation events
Example 1: when the faulty signal of only F4
Infer that outlet switch protection signal does not act (principle 4)
Example 2: when F4 and F9 faulty signal simultaneously
It releases wiretap protection signal and does not act (principle 4, since F4, F9 are not on same supply path)
Example 3: when F5 and F9 faulty signal simultaneously
Release wiretap protection signalizing activity (principle 3)
Example 4: when the faulty signal of F3
Infer outlet switch protection signalizing activity (principle 4)
Example 5: when the faulty signal of F4, when F3 is unresponsive
Infer outlet switch protection signalizing activity (principle 1,4)
Fig. 7 is to infer flow chart according to the switch trip of embodiment of the present invention.Detailed process is as follows:
When state, which updates treatment progress, receives the shape varying signal of table 1, if determining the state of reference power supply outlet switch
To close, and test is not hung, board is kept then to apply for " outlet switch estimating state analyzes timer ".
Cancellation " outlet switch estimating state analysis meter when outlet switch divides shape varying signal is received when state updates treatment progress
When device ".
Starting outlet switch estimating state analysis processing when " outlet switch estimating state analyzes timer " time-out, if inferring
Conjunction then terminates, and carries out calling operation to substation's remote signalling if deduction point, and update topology by isloation state, out " deduction point " event
Record, notice fault verification processing.
After the preposition calling response message for receiving EMS, (command word should be reported the full remote signalling message of Xiang Houtai transmission transformer station with the period
Text distinguishes), hair-like, which is not needed, there are individual remote signalling to occur and conjugate yet at this time becomes message.
It is distributional that the conjunction that state update treatment progress receives the outlet switch releases deduction when shape being divided to become message, and updates topology
Be manually operable releasing infer it is distributional, release infer it is distributional after outlet switch state should be that remote signalling message is last
It is sent to the state of system.
Fig. 8 show the flow chart of the protection signal inference analysis of embodiment according to the present invention.The substantially following institute of process
Show:
Protection signal is determined whether there is when outlet switch protects reinspection timer expiry, if not protecting signal
Start outlet switch protection signal inference analysis processing.
If protection signal reinspection result notice troubleshooting process when infer protection signal generation should inform troubleshooting into
Journey protection signal is inferred to.
Troubleshooting process receive protection reinspection result when, should determine protect signal whether be infer as a result, if so,
Self-healing processing can not be started below.
It should be appreciated that the embodiment of the present invention can be by computer hardware, the combination of hardware and software or by depositing
The computer instruction in non-transitory computer-readable memory is stored up to be effected or carried out.Standard program skill can be used in method
Art-includes that the non-transitory computer-readable storage media configured with computer program is realized in computer program, wherein such as
Storage medium of this configuration operates computer in a manner of specific and is predefined --- according to describing in a particular embodiment
Method and attached drawing.Each program can be realized with the programming language of level process or object-oriented with logical with computer system
Letter.However, if desired, the program can be realized with compilation or machine language.Under any circumstance, the language can be compiling or
The language of explanation.In addition, the program can be run on the specific integrated circuit of programming for this purpose.
In addition, the operation of process described herein can be performed in any suitable order, unless herein in addition instruction or
Otherwise significantly with contradicted by context.Process described herein (or modification and/or combination thereof) can be held being configured with
It executes, and is can be used as jointly on the one or more processors under the control of one or more computer systems of row instruction
The code (for example, executable instruction, one or more computer program or one or more application) of execution, by hardware or its group
It closes to realize.Computer program includes the multiple instruction that can be performed by one or more processors.
Further, method can be realized in being operably coupled to suitable any kind of computing platform, including but
It is not limited to PC, mini-computer, main frame, work station, network or distributed computing environment, individual or integrated meter
Calculate machine platform or communicated with charged particle tool or other imaging devices etc..Each aspect of the present invention can be to be stored in
No matter machine readable code on non-transitory storage medium or equipment is moveable or is integrated to calculate and put down to realize
Platform, such as hard disk, optically read and/or write-in storage medium, RAM, ROM, so that it can be read by programmable calculator, when depositing
Storage media or equipment can be used for configuration and operation computer to execute process described herein when being read by computer.In addition,
Machine readable code, or part thereof can be transmitted by wired or wireless network.When such media include in conjunction with microprocessor or
When other data processors realize the instruction or program of above step, the disclosure herein includes that these and other are different types of non-
Temporary computer readable storage medium.When programming according to the method for the present invention with technology, the invention also includes computer sheets
Body.
Computer program can be applied to input data to execute functions herein, be deposited to convert input data with generating
It stores up to the output data of nonvolatile memory.Output information can also be applied to one or more output equipment such as displays.
In the preferred embodiment of the invention, the data of conversion indicate physics and tangible object, including the physics generated on display
Describe with the particular visual of physical objects.
More than, only presently preferred embodiments of the present invention, the invention is not limited to above embodiment, as long as its with
Identical means reach technical effect of the invention, all within the spirits and principles of the present invention, any modification for being made, equivalent
Replacement, improvement etc., should be included within the scope of the present invention.Its within the scope of the present invention technical solution and/
Or embodiment can have a variety of different modifications and variations.
Claims (9)
1. the failure judgment method under a kind of key signal deletion condition, which is characterized in that method includes the following steps:
S1 carries out outlet to front equipment end signal and opens when detecting one or more front equipment end signals in distribution system
Tripping analysis is closed, judges whether to trip；
S2, if after the step S1 judges outlet switch tripping, further analyzing outlet switch protection signal, judgement is
No is fault trip；
S3 judges to send remote signalling message to backstage substation after the type of tripping, and updates front equipment end in distribution system
Topology status.
2. the failure judgment method under key signal deletion condition according to claim 1, which is characterized in that this method is also
Include: manual operation release to outlet switch tripping infer it is distributional, wherein release infer it is distributional after outlet switch state be distant
Letter message is finally sent to the state of distribution system.
3. the failure judgment method under key signal deletion condition according to claim 1, which is characterized in that this method is also
Include:
When state, which updates treatment progress, receives the shape varying signal of one or more front equipment ends, criterion power outlet switch
State whether be conjunction, and do not hang test, keep board then apply outlet switch estimating state analyze timer；
Cancel outlet switch estimating state analysis timer when outlet switch divides shape varying signal when state updates treatment progress and receives；
Starting outlet switch estimating state analysis processing, is tied if inferring conjunction when outlet switch estimating state analyzes timer expired
Beam carries out calling operation to substation's remote signalling if deduction point, and updates topology by isloation state, records to deduction event,
Notify fault verification processing.
4. the failure judgment method under key signal deletion condition according to claim 1, which is characterized in that the step
S1 is specifically included:
S11, judge the outlet switch whether virtual condition for point, wherein judging that premise be outlet switch current state is conjunction；
S12 screens outlet switch signal, by the signal of one or more front equipment ends in outlet switch scope of power outage
As analysis signal, wherein front equipment end includes but is not limited to that house dog, on-load switch, shutter and case become；
S13 sets the electrification power loss coefficient of one or more outlet switchs of front equipment end, is arrived according to actual acquisition
Signal calculates and judges switch for power failure state or electriferous state.
5. according to the failure judgment method under key signal deletion condition described in claim requirement 4, which is characterized in that described
Step S13 is specifically included:
It uses
Outlet switch is judged, wherein X1+X2+...+XnSignal n safety factor X is arrived for signal 11To XnSummation, wherein
Xa+Xb+...+XkThe signal summation of signal n is arrived for signal 1；
Wherein,
IAA possibility that this switch power loss of the bigger characterization of numerical value, is bigger；
IAA possibility that numerical value is smaller and less than 0 when then indicates this switch electrification is bigger；
Work as IAWhen=0, then it can not determine that switch is electrification or power loss on earth.
6. according to the failure judgment method under key signal deletion condition described in claim requirement 3 or 4, which is characterized in that
This method further include:
S14, I when configuration switch is in communication abnormalityA=0, the I of manual switchA=0；
S15, the coefficient of configuration switch are always equal to the sums of all switch electrification power loss coefficients of load side, to outlet switch, manually open
The switch design factor summation of pass and communication abnormality.
S16, when outlet switch coefficient summation be more than or equal to route on other switch coefficient summation and coefficient summation be greater than etc.
When 1, judge outlet switch for isloation state.
7. according to the failure judgment method under key signal deletion condition as stated in claim 1, which is characterized in that described
Step S2 is specifically included:
S21 generates the timer of reinspection guard mode in outlet switch tripping, when the timer expires, determine it is current whether
Receive the inference analysis of the protection signal of outlet switch or the accident resultant signal then starting protection signal of substation；
S22, when receiving protection signal and/or accident resultant signal, judgement and fault-signal to fault-signal generate the time
It is analyzed based on decision rule.
8. according to the failure judgment method under key signal deletion condition as stated in claim 1, which is characterized in that described
Step S22 is specifically included:
When FCB meets first condition and the to two or more switches is found between any end region in paths traversed simultaneously
When two conditions, then determine that accident always occurs；
Meet melting automatically for first condition and second condition when at most finding one on FCB to the path between any end region
It closes, then the automatic Switching that FCB to the switch passes through, which is less than when being equal to 1, then determines accident；
Wherein, first condition is all automation switching signals in FCB power-off range, when wherein second condition is fault actions
Between fault signal analysis automation switching signal collected from current time less than 1 minute, which uses
Whether occur in deduction accident.
9. the fault verification system under a kind of key signal deletion condition for executing the claim 1-8 any means,
It is characterized in that, the system includes:
Trip determination module, for when detecting one or more front equipment end signals in distribution system, to front equipment end
Signal carries out outlet switch tripping analysis, judges whether to trip；
Signal decision module is protected, if further protecting signal to outlet switch after the step S1 judges outlet switch tripping
It is analyzed, judges whether it is fault trip；
Remote signal module sends remote signalling message to backstage substation after the type for judging tripping, and updates front equipment end and exist
The topology status of distribution system.
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