CN106896319A - The method for building up and system of a kind of breaker arcing process electromagnetic model - Google Patents
The method for building up and system of a kind of breaker arcing process electromagnetic model Download PDFInfo
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- CN106896319A CN106896319A CN201710129264.0A CN201710129264A CN106896319A CN 106896319 A CN106896319 A CN 106896319A CN 201710129264 A CN201710129264 A CN 201710129264A CN 106896319 A CN106896319 A CN 106896319A
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- breaker
- arcing
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- electromagnetic wave
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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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
Abstract
This application discloses the method for building up and system of a kind of breaker arcing process electromagnetic model, wherein, the method for building up of breaker arcing process electromagnetic model includes：The structural parameters of breaker are obtained, the structural parameters according to breaker set up breaker simulation model by preset ratio, the structural parameters of breaker include structure, shape size and the material property of breaker；Obtain the electromagnetic environment parameter of breaker, the emulation electromagnetic environment during setting up arcing according to electromagnetic environment parameter where breaker simulation model；Using the high frequency discharge excited source of Gaussian pulse signal imitation, discharge process is simulated to the breaker simulation model in emulation electromagnetic environment, to emulate breaker arcing process；The situation of change of the electromagnetic wave signal during the breaker arcing of detection simulation, at breaker simulation model predeterminable range.The technical scheme that the application is provided can accurately reflect the arcing process of breaker, and the ablation degree of breaker can be further determined that according to the arcing process.
Description
Technical field
The application is related to electrical equipment detection field, more particularly to a kind of foundation side of breaker arcing process electromagnetic model
Method and system.
Background technology
Electrical equipment easily triggers electric fault because of self-characteristic, the place power train triggered by electrical equipment faults itself
The accident of system, shared ratio increases year by year in whole accidents of power system.Because breaker is used as numerous critical electricals
One of equipment or critical electrical equipment part, its operating reliability directly influence the safe operation of whole power system.
The safe operation of whole power system is directly influenced due to the operating reliability of breaker, therefore to reduce because disconnected
The electric fault that road device faults itself triggers, the research to breaker self-characteristic is just received more and more attention.Arc extinguishing is special
Property is the most important characteristic of breaker., when short circuit current is cut-off, the electric arc of generation can ablation contact surface for breaker.After ablation
Contact surface shape can change, after breaker closing, the contact situation of contact surface can occur respective change, work as contact
Can be generated heat during the loose contact of surface, or even deadmelt phenomenon occur, influence is cut-off next time, or even produce electrical malfunction.It is existing
Have in technology for protective breaker, it will usually configure arc-chutes, be filled with the insulating gas such as SF6 or arc-chutes in arc-chutes
Vacuum state, to reach arc quenching effect.
Although breaker can arc extinguishing, electric arc remain able to impact contact and different breakers arc extinguishing
Characteristic is simultaneously differed, and effective breaker arc extinguishing Characteristics Detection and evaluation measures are lacked in the prior art, is led to not and determination
Whether breaker can reach arc extinguishing requirement, and this has turned into one of major hidden danger of safe operation of power system.
The content of the invention
The purpose of the application is to provide a kind of method for building up of breaker arcing process electromagnetic model and the technical side of system
Case, to solve to lack effective breaker arc extinguishing Characteristics Detection and evaluation meanses in the prior art described in background technology,
Lead to not determine whether breaker can reach arc extinguishing requirement, the problem of hidden danger is brought to safe operation of power system.
In order to solve the above-mentioned technical problem, the application provides following technical scheme：
According to the first aspect of the application, there is provided a kind of method for building up of breaker arcing process electromagnetic model, the party
Method includes：
The structural parameters of breaker are obtained, the structural parameters according to the breaker are set up breaker and emulated by preset ratio
Model, wherein, the structural parameters of the breaker include structure, shape size and the material property of the breaker；
The electromagnetic environment parameter of the breaker is obtained, sets up described disconnected during arcing according to the electromagnetic environment parameter
Emulation electromagnetic environment where the device simulation model of road；
Using the high frequency discharge excited source of Gaussian pulse signal imitation, mould is emulated to the breaker in the emulation electromagnetic environment
Type is simulated discharge process, to emulate breaker arcing process；
Electromagnetic wave signal during the breaker arcing of detection simulation, at the breaker simulation model predeterminable range
Situation of change.
Preferably, the method for building up of the breaker arcing process electromagnetic model also includes：
During situation of change assessment breaker arcing according to the electromagnetic wave signal in the breaker contact burning
Degree of corrosion.
Preferably, it is described according to the situation of change of electromagnetic wave signal assess arcing during the breaker contact burning
Degree of corrosion, including：
Judge during breaker arcing, the electromagnetic wave at the shell predeterminable range of the breaker simulation model is believed
Number waveform whether change；
If the waveform of the electromagnetic wave signal changes, it is determined that the contact of the breaker has ablation.
Preferably, it is described arcing is set up according to electromagnetic environment parameter during emulation electromagnetism where breaker simulation model
Environment, including：According to the electromagnetic environment parameter, loss ability of the space residing for breaker to electromagnetic wave signal is determined.
Preferably, the high frequency discharge excited source of use Gaussian pulse signal imitation, in the emulation electromagnetic environment
Breaker simulation model is simulated discharge process, to emulate breaker arcing process, including：
Change the strong of high frequency discharge excited source during breaker arcing described in the amplitude analog of the Gaussian pulse signal
Degree；
The pulsewidth for changing the Gaussian pulse signal simulates high frequency discharge excited source radiation during the breaker arcing
Electromagnetic wave signal frequency range；And,
Change the number in high frequency discharge excited source during breaker arcing described in the Population number dynamic imitation of the Gaussian pulse signal
Amount.
According to the second aspect of the application, a kind of system of setting up of breaker arcing process electromagnetic model is additionally provided, wrapped
Include：
Structural parameters acquisition module, the structural parameters for obtaining breaker, wherein, the structural parameters bag of the breaker
Include structure, shape size and the material property of the breaker；
Building of Simulation Model module, sets up breaker and emulates for the structural parameters according to the breaker by preset ratio
Model；
Ambient parameter acquisition module, the electromagnetic environment parameter for obtaining the breaker；
Simulated environment sets up module, for setting up the breaker emulation during arcing according to the electromagnetic environment parameter
Model emulation electromagnetic environment；
Emulation arcing module, for using the high frequency discharge excited source of Gaussian pulse signal imitation, to the emulation electromagnetism ring
Breaker simulation model in border is simulated discharge process, to emulate breaker arcing process；
Electromagnetic Wave Detection module, for the breaker arcing of detection simulation during, the breaker simulation model preset
The situation of change of the electromagnetic wave signal at distance.
Preferably, the system of setting up of the breaker arcing process electromagnetic model also includes：
Ablation scale evaluation module, during according to the situation of change of electromagnetic wave signal assessment breaker arcing
The ablation degree of contact in the breaker.
Preferably, the ablation scale evaluation module, including：
Electromagnetic wave changes judging submodule, for judging breaker arcing during, apart from the breaker simulation model
Shell predeterminable range at the waveform of electromagnetic wave signal whether change；
Ablation determination sub-module, if changed for the waveform of the electromagnetic wave signal, determines the breaker
There is ablation in contact.
Preferably, the simulated environment sets up module, specifically for according to the electromagnetic environment parameter, determining breaker institute
Loss ability of the place space to electromagnetic wave signal.
Preferably, the emulation arcing module, including：
Strength simulation submodule, for changing breaker arcing described in the amplitude analog of the Gaussian pulse signal during
The intensity in high frequency discharge excited source；
Frequency range ASM, the pulsewidth for changing the Gaussian pulse signal is simulated during the breaker arcing
The electromagnetic wave signal frequency range of high frequency discharge excited source radiation；And,
Population number dynamic imitation submodule, for changing breaker arcing described in the Population number dynamic imitation of the Gaussian pulse signal during
The quantity in high frequency discharge excited source.
The breaker arcing process electromagnetic model that the application is provided sets up scheme, with following technique effect：
By obtaining the structural parameters of breaker, the structural parameters according to breaker are set up breaker and are imitated according to preset ratio
True mode, and obtain the electromagnetic environment parameter of the actual place electromagnetic environment of breaker, the emulation electromagnetism ring where setting up breaker
Border.Electromagnetic environment where by simulating breaker in truth and breaker, it is possible to increase breaker arcing process is imitated
Genuine authenticity.And by using the high frequency discharge excited source of Gaussian pulse signal imitation, to the open circuit in emulation electromagnetic environment
Device simulation model is simulated discharge process, can exactly emulate the high-frequency discharge situation during breaker arcing, enters one
Step detection breaker simulation model predeterminable range at electromagnetic wave signal situation of change, due to breaker open operation during, break
The dynamic/static contact of road device can puncture, therefore change rapidly immediate current is punctured, so as to produce mutation magnetic field, Jin Er
Electromagnetic wave signal is inspired in space, breaker arcing process can determine by the situation of change for detecting the electromagnetic wave signal
In the ablation extent of damage.The breaker arcing process electromagnetic model that the application is provided sets up scheme, can accurately reflect disconnected
The arcing process of road device, and the ablation degree of breaker can be further determined that according to the arcing process, whether judge breaker
Arc extinguishing requirement can be reached, is live detection breaker arc extinguishing performance based theoretical.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the application, letter will be made to the accompanying drawing to be used needed for embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of structural representation of breaker that Fig. 1 is provided for the embodiment of the present application；
The flow of the method for building up of the first breaker arcing process electromagnetic model that Fig. 2 is provided for the embodiment of the present application is shown
It is intended to；
Fig. 3 shows for the flow of second method for building up of breaker arcing process electromagnetic model that the embodiment of the present application is provided
It is intended to；
The flow of the method for building up of the third breaker arcing process electromagnetic model that Fig. 4 is provided for the embodiment of the present application is shown
It is intended to；
Fig. 5 is the oscillogram of electromagnetic wave signal when a kind of contact of breaker that the embodiment of the present application is provided is not ablated；
Fig. 6 is the oscillogram of electromagnetic wave signal when a kind of contact of breaker that the embodiment of the present application is provided has ablation；
Fig. 7 shows for the structure for setting up system of the first breaker arcing process electromagnetic model that the embodiment of the present application is provided
It is intended to；
Fig. 8 shows for the structure for setting up system of second breaker arcing process electromagnetic model that the embodiment of the present application is provided
It is intended to；
Fig. 9 shows for the structure for setting up system of the third breaker arcing process electromagnetic model that the embodiment of the present application is provided
It is intended to.
Specific embodiment
The technical scheme of the foundation of the breaker arcing process electromagnetic model that the embodiment of the present application is provided, solves background skill
Lack effective breaker arc extinguishing Characteristics Detection and evaluation meanses in the prior art described in art, lead to not accurate determination
Whether breaker can reach the problem of arc extinguishing requirement.
In order that those skilled in the art more fully understand the technical scheme in the embodiment of the present application, and make the application reality
Applying the above-mentioned purpose of example, feature and advantage can be more obvious understandable, below in conjunction with the accompanying drawings to the technology in the embodiment of the present application
Scheme is described in further detail.
Fig. 1 is referred to, is a kind of structural representation of breaker that the embodiment of the present application is provided.As shown in figure 1, the open circuit
Device includes the structures such as case for circuit breaker 1, contact 2 and spout 3, in addition to reaching the effect of arc extinguishing, breaker also includes vacuum
Or the arc-chutes filled with inertia insulating gas.The following breaker arcing process electromagnetic models that the embodiment of the present application is provided are built
Cube method, i.e., by emulating the structural parameters of breaker shown in the Fig. 1, and the true electromagnetic environment residing for breaker, study
Arc extinguishing and ablation situation of the breaker in arcing process.
Fig. 2 is referred to, a kind of flow of the method for building up of the breaker arcing process electromagnetic model provided for the application is shown
It is intended to.As shown in Fig. 2 the method for building up of the breaker arcing process electromagnetic model of the embodiment of the present application offer includes：
S110：The structural parameters of breaker are obtained, the structural parameters according to breaker are set up breaker and imitated by preset ratio
True mode, wherein, the structural parameters of the breaker include structure, shape size and the material property of the breaker.
The structural parameters of breaker mainly including breaker material structure and internal each part, such as shell, dynamic/static contact,
Spout and arc-chutes etc..In addition, also include the shape size of each structure of breaker, with the breaker model of simulating realistic ratio,
Such as set up 1:The breaker model of 1 size.The structural parameters of the breaker also material property including each structure of breaker, such as open circuit
Each structure of device uses the electrical conductivity and magnetic conductivity of material.
S120：The electromagnetic environment parameter of breaker is obtained, breaker is imitated during setting up arcing according to electromagnetic environment parameter
Emulation electromagnetic environment where true mode.
The electromagnetic environment parameter of breaker mainly includes the space in the range of residing certain distance during breaker arcing,
Such as the space with predetermined distance range of a range of vacuum of breaker, SF6 gases or inert gas.It is disconnected by obtaining
The electromagnetic environment parameter of road device, it is imitative where breaker simulation model during arcing can be simulated according to the electromagnetic environment parameter
True electromagnetic environment, so as to study extent of deterioration of the emulation electromagnetic environment to electromagnetic wave signal, and then studies in applying high frequency arteries and veins
When rushing signal, situations such as the size of the space pre-position electromagnetic wave signal, the ablation degree of breaker is assessed.
Specifically, the emulation electromagnetism ring during setting up arcing according to electromagnetic environment parameter where breaker simulation model
Border, specifically includes according to electromagnetic environment parameter, determines loss ability of the space residing for breaker to electromagnetic wave signal.
By determining loss ability of the space residing for breaker to electromagnetic wave signal, space residing for breaker can be excluded
The interference of the electromagnetic wave signal that electromagnetic environment is obtained to experiment, with accurately true according to the electromagnetic wave signal at breaker preset distance
Determine the ablation degree of breaker.
S130：Using the high frequency discharge excited source of Gaussian pulse signal imitation, to the breaker emulation in emulation electromagnetic environment
Model is simulated discharge process, to emulate breaker arcing process.
In breaker interrupting process, the Igniting pattern essence of electric arc is process of pulse discharge, thus single electric arc arcing
Process can be simulated with Gaussian pulse, and electric arc of different sizes can be simulated by the amplitude and pulsewidth that change Gaussian pulse.
As shown in figure 3, the specifically used high frequency discharge excited source of Gaussian pulse signal imitation to emulation electromagnetic environment in it is disconnected
The process that road device simulation model is simulated discharge process is as follows, comprises the following steps：
S131：The intensity in high frequency discharge excited source during the amplitude analog breaker arcing of change Gaussian pulse signal.
Wherein, the amplitude of the Gaussian pulse signal for preferably using between 0.6-1Kv, such as 0.7Kv, 0.8Kv or 0.85Kv.
S132：The electricity of high frequency discharge excited source radiation during the pulsewidth mimic-disconnecting switch arcing of change Gaussian pulse signal
Magnetostatic wave signal frequency range.Wherein, the pulsewidth of the Gaussian pulse for preferably using between 0.2-0.5ns, such as 0.3ns, 0.35ns or
0.4ns.And,
S133：The quantity in high frequency discharge excited source during the Population number dynamic imitation breaker arcing of change Gaussian pulse signal.
Because breaker repeatedly cut-offs, caused contact of breaker ablated surface degree is different.And breaker cut-off
The process of high-frequency discharge occurs in journey, i.e., multiple electric arcs together occur in a short time, therefore by changing Gaussian pulse
Quantity is capable of the high-frequency discharge number of times of mimic-disconnecting switch interrupting process appearance.Wherein it is preferred to, the quantity of pulse is at 10-20
Between, such as 12,15 or 18；In addition, the interval time of each pulse is us ranks, such as 5us, 7us or 10us.
S140：Electromagnetic wave signal during the breaker arcing of detection simulation, at breaker simulation model predeterminable range
Situation of change.
Specifically, the electromagnetic wave letter in the range of case for circuit breaker 150mm to 230mm is can detect in the embodiment of the present application
Number, such as gather the electromagnetic wave signal at case for circuit breaker 200mm distances.
By obtaining the structural parameters of breaker, the structural parameters according to breaker are set up breaker and are imitated according to preset ratio
True mode, and obtain the electromagnetic environment parameter of the actual place electromagnetic environment of breaker, the emulation electromagnetism ring where setting up breaker
Border.Electromagnetic environment where by simulating breaker in truth and breaker, it is possible to increase breaker arcing process is imitated
Genuine authenticity.And by using the high frequency discharge excited source of Gaussian pulse signal imitation, to the open circuit in emulation electromagnetic environment
Device simulation model is simulated discharge process, can exactly emulate the high-frequency discharge situation during breaker arcing, enters one
Step detection breaker simulation model predeterminable range at electromagnetic wave signal situation of change, due to breaker open operation during, break
The dynamic/static contact of road device can puncture, therefore change is mutated magnetic field, Jin Er so as to produce rapidly immediate current is punctured
Electromagnetic wave signal is inspired in space, breaker arcing process can determine by the situation of change for detecting the electromagnetic wave signal
In the ablation extent of damage.The breaker arcing process electromagnetic model that the application is provided sets up scheme, can accurately reflect disconnected
The arcing process of road device, and the ablation degree of breaker can be further determined that according to the arcing process, whether judge breaker
Arc extinguishing requirement can be reached, is live detection breaker arc extinguishing performance based theoretical.
In addition, used as a kind of preferred embodiment, the method for building up of the breaker arcing process electromagnetic model in Fig. 2 is also wrapped
Include following steps：During situation of change assessment breaker arcing according to electromagnetic wave signal in breaker contact ablation journey
Degree.
During breaker open operation, if because the dynamic/static contact of breaker punctures, the electric current for puncturing moment is rapid
Change can produce mutation magnetic field, and electromagnetic wave signal is then inspired in space, therefore can be accurate by gathering electromagnetic wave signal
The ablation degree of contact is really assessed, and then can accurately determine whether breaker can reach arc extinguishing requirement.
Specifically, as shown in Figure 4：Breaker touches during the above-mentioned assessment arcing according to the situation of change of electromagnetic wave signal
The step of ablation degree of head, includes：
S210：During judging breaker arcing, the electromagnetic wave at the shell predeterminable range of breaker simulation model
Whether the waveform of signal changes；If the waveform of electromagnetic wave signal changes, step S220 is performed；If becoming
Change, it is determined that breaker is not ablated.Specifically, the electromagnetic wave letter at the shell 200mm of judging distance breaker simulation model
Number waveform whether change.
S220：Determine that the contact of breaker has ablation.
Accompanying drawing 5 and accompanying drawing 6 are specifically referred to, when Fig. 5 is not ablated contact of breaker, repeatedly applies Gaussian pulse signal
The oscillogram of the electromagnetic wave signal for obtaining；When Fig. 6 is ablated contact of breaker, repeatedly apply the electricity that Gaussian pulse signal is obtained
The oscillogram of magnetostatic wave signal.The high frequency discharge excited source of Gaussian pulse signal imitation is being used, to the open circuit in emulation electromagnetic environment
After device simulation model is simulated discharge process, if the contact of breaker is not up to default ablation in the absence of ablation or ablation degree
Threshold value, then the waveform of the electromagnetic wave signal at the shell predeterminable range of breaker simulation model is as shown in figure 5, be standard
Sine wave.If the contact of breaker there is ablation and ablation degree exceedes default ablation threshold, apart from breaker simulation model
Shell predeterminable range at electromagnetic wave signal waveform as shown in fig. 6, there is the breaker of ablation in contact, its electromagnetic wave signal
Wave belt it is jagged.
Based on same application design, what the embodiment of the present application additionally provided breaker arcing process electromagnetic model sets up system
Embodiment, because the corresponding device of the system is the foundation of the breaker arcing process electromagnetic model in the embodiment of the present invention
Method, and the principle of the system solve problem is similar to method, therefore the implementation of system may refer to the implementation of method, repeat
Part is repeated no more.
Fig. 7 is referred to, a kind of breaker arcing process electromagnetic model for providing for the embodiment of the present application sets up system
Structural representation, as shown in fig. 7, the system of setting up of the breaker arcing process electromagnetic model includes：
Structural parameters acquisition module 1010, the structural parameters for obtaining breaker, wherein, the structural parameters bag of breaker
Include structure, shape size and the material property of breaker.
Building of Simulation Model module 1020, sets up breaker and emulates for the structural parameters according to breaker by preset ratio
Model.
Ambient parameter acquisition module 1030, the electromagnetic environment parameter for obtaining breaker.
Simulated environment sets up module 1040, for setting up breaker simulation model during arcing according to electromagnetic environment parameter
The emulation electromagnetic environment at place.Wherein, simulated environment sets up module 1040, specifically for according to electromagnetic environment parameter, it is determined that disconnected
Loss ability of the space residing for the device of road to electromagnetic wave signal.
Emulation arcing module 1050, for using the high frequency discharge excited source of Gaussian pulse signal imitation, to emulation electromagnetism ring
Breaker simulation model in border is simulated discharge process, to emulate breaker arcing process.
Electromagnetic Wave Detection module 1060, for during the breaker arcing of detection simulation, breaker simulation model preset
The situation of change of the electromagnetic wave signal at distance.
By obtaining the structural parameters of breaker, the structural parameters according to breaker are set up breaker and are imitated according to preset ratio
True mode, and obtain the electromagnetic environment parameter of the actual place electromagnetic environment of breaker, the emulation electromagnetism ring where setting up breaker
Border.Electromagnetic environment where by simulating breaker in truth and breaker, it is possible to increase breaker arcing process is imitated
Genuine authenticity.And by using the high frequency discharge excited source of Gaussian pulse signal imitation, to the open circuit in emulation electromagnetic environment
Device simulation model is simulated discharge process, can exactly emulate the high-frequency discharge situation during breaker arcing, enters one
Step detection breaker simulation model predeterminable range at electromagnetic wave signal situation of change, due to breaker open operation during, break
The dynamic/static contact of road device can puncture, therefore change is mutated magnetic field, Jin Er so as to produce rapidly immediate current is punctured
Electromagnetic wave signal is inspired in space, breaker arcing process can determine by the situation of change for detecting the electromagnetic wave signal
In the ablation extent of damage.The breaker arcing process electromagnetic model that the application is provided sets up scheme, can accurately reflect disconnected
The arcing process of road device, and the ablation degree of breaker can be further determined that according to the arcing process, whether judge breaker
Arc extinguishing requirement can be reached, is live detection breaker arc extinguishing performance based theoretical.
As a kind of preferred embodiment, as shown in figure 8, the breaker arcing process electromagnet mode that the embodiment of the present application is provided
Type sets up system in addition to each construction module shown in Fig. 7, also includes：
Ablation scale evaluation module 1070, during according to the situation of change of electromagnetic wave signal assessment breaker arcing
The ablation degree of contact in breaker.
Wherein, ablation scale evaluation module 1070 is specifically included：
Electromagnetic wave changes judging submodule 1071, for judging breaker arcing during, apart from breaker simulation model
Shell predeterminable range at the waveform of electromagnetic wave signal whether change.
Ablation determination sub-module 1072, if changed for the waveform of electromagnetic wave signal, determines the contact of breaker
There is ablation.
During breaker open operation, if because the dynamic/static contact of breaker punctures, the electric current for puncturing moment is rapid
Change can produce mutation magnetic field, and electromagnetic wave signal is then inspired in space, therefore can be accurate by gathering electromagnetic wave signal
Whether the really ablation degree of assessment contact, and then determination breaker can reach arc extinguishing requirement.
As a kind of preferred embodiment, as shown in figure 9, in the embodiment of the present application, the emulation in embodiment illustrated in fig. 7
Arcing module 1050, including：
Strength simulation submodule 1051, the amplitude analog breaker arcing process medium-high frequency for changing Gaussian pulse signal
The intensity in discharge excitation source；
Frequency range ASM 1052, the pulsewidth mimic-disconnecting switch arcing process medium-high frequency for changing Gaussian pulse signal
The electromagnetic wave signal frequency range of discharge excitation source radiation；And,
Population number dynamic imitation submodule 1053, the Population number dynamic imitation breaker arcing process medium-high frequency for changing Gaussian pulse signal
The quantity in discharge excitation source.
In implementing, the present invention also provides a kind of computer-readable storage medium, wherein, the computer-readable storage medium can be stored
There is program, the program may include the part or all of step in each embodiment of the method for calling of the present invention offer when performing.'s
Storage medium can be magnetic disc, CD, read-only memory (English：Read-only memory, referred to as：ROM) or at random deposit
Storage memory body (English：Random access memory, referred to as：RAM) etc..
It is required that those skilled in the art can be understood that the technology in the embodiment of the present invention can add by software
The mode of general hardware platform realize.Based on such understanding, the technical scheme in the embodiment of the present invention substantially or
Say that the part contributed to prior art can be embodied in the form of software product, the computer software product can be deposited
Storage in storage medium, such as ROM/RAM, magnetic disc, CD, including some instructions are used to so that computer equipment (can be with
It is personal computer, server, or network equipment etc.) perform some parts of each embodiment of the invention or embodiment
Method.
In this specification between each embodiment identical similar part mutually referring to.Implement especially for system
For example, because it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring in embodiment of the method
Explanation.
Invention described above implementation method is not intended to limit the scope of the present invention..
Claims (10)
1. a kind of method for building up of breaker arcing process electromagnetic model, it is characterised in that including：
The structural parameters of breaker are obtained, the structural parameters according to the breaker set up breaker emulation mould by preset ratio
Type, wherein, the structural parameters of the breaker include structure, shape size and the material property of the breaker；
The electromagnetic environment parameter of the breaker is obtained, the breaker during arcing is set up according to the electromagnetic environment parameter
Emulation electromagnetic environment where simulation model；
Using the high frequency discharge excited source of Gaussian pulse signal imitation, the breaker simulation model in the emulation electromagnetic environment is entered
Row simulation discharge process, to emulate breaker arcing process；
The change of the electromagnetic wave signal during the breaker arcing of detection simulation, at the breaker simulation model predeterminable range
Situation.
2. the method for building up of breaker arcing process electromagnetic model according to claim 1, it is characterised in that also include：
During situation of change assessment breaker arcing according to the electromagnetic wave signal in the breaker contact ablation journey
Degree.
3. the method for building up of breaker arcing process electromagnetic model according to claim 2, it is characterised in that the basis
The ablation degree of the contact of the breaker during the situation of change assessment arcing of electromagnetic wave signal, including：
During judging breaker arcing, electromagnetic wave signal at the shell predeterminable range of the breaker simulation model
Whether waveform changes；
If the waveform of the electromagnetic wave signal changes, it is determined that the contact of the breaker has ablation.
4. the method for building up of breaker arcing process electromagnetic model according to claim 1, it is characterised in that the basis
Electromagnetic environment parameter sets up the emulation electromagnetic environment where breaker simulation model during arcing, including：
According to the electromagnetic environment parameter, loss ability of the space residing for breaker to electromagnetic wave signal is determined.
5. the method for building up of breaker arcing process electromagnetic model according to claim 1, it is characterised in that described to use
The high frequency discharge excited source of Gaussian pulse signal imitation, is simulated to the breaker simulation model in the emulation electromagnetic environment and puts
Electric treatment, to emulate breaker arcing process, including：
Change the intensity in high frequency discharge excited source during breaker arcing described in the amplitude analog of the Gaussian pulse signal；
The pulsewidth for changing the Gaussian pulse signal simulates the electricity of high frequency discharge excited source radiation during the breaker arcing
Magnetostatic wave signal frequency range；And,
Change the quantity in high frequency discharge excited source during breaker arcing described in the Population number dynamic imitation of the Gaussian pulse signal.
6. a kind of breaker arcing process electromagnetic model sets up system, it is characterised in that including：
Structural parameters acquisition module, the structural parameters for obtaining breaker, wherein, the structural parameters of the breaker include institute
State structure, shape size and the material property of breaker；
Building of Simulation Model module, breaker emulation mould is set up for the structural parameters according to the breaker by preset ratio
Type；
Ambient parameter acquisition module, the electromagnetic environment parameter for obtaining the breaker；
Simulated environment sets up module, for setting up the breaker simulation model during arcing according to the electromagnetic environment parameter
The emulation electromagnetic environment at place；
Emulation arcing module, for using the high frequency discharge excited source of Gaussian pulse signal imitation, in the emulation electromagnetic environment
Breaker simulation model be simulated discharge process, to emulate breaker arcing process；
Electromagnetic Wave Detection module, for the breaker arcing of detection simulation during, the breaker simulation model predeterminable range
The situation of change of the electromagnetic wave signal at place.
7. breaker arcing process electromagnetic model according to claim 6 sets up system, it is characterised in that also include：
Ablation scale evaluation module, for according to described during the situation of change of electromagnetic wave signal assessment breaker arcing
The ablation degree of contact in breaker.
8. breaker arcing process electromagnetic model according to claim 7 sets up system, it is characterised in that the ablation
Scale evaluation module, including：
Electromagnetic wave changes judging submodule, for judging breaker arcing during, apart from the outer of the breaker simulation model
Whether the waveform of the electromagnetic wave signal at shell predeterminable range changes；
Ablation determination sub-module, if changed for the waveform of the electromagnetic wave signal, determines the contact of the breaker
There is ablation.
9. breaker arcing process electromagnetic model according to claim 6 sets up system, it is characterised in that the emulation
Environment sets up module, specifically for according to the electromagnetic environment parameter, determining damage of the space residing for breaker to electromagnetic wave signal
Power consumption power.
10. breaker arcing process electromagnetic model according to claim 6 sets up system, it is characterised in that described imitative
True arcing module, including：
Strength simulation submodule, for changing breaker arcing process medium-high frequency described in the amplitude analog of the Gaussian pulse signal
The intensity in discharge excitation source；
Frequency range ASM, the pulsewidth for changing the Gaussian pulse signal simulates the breaker arcing process medium-high frequency
The electromagnetic wave signal frequency range of discharge excitation source radiation；And,
Population number dynamic imitation submodule, for changing breaker arcing process medium-high frequency described in the Population number dynamic imitation of the Gaussian pulse signal
The quantity in discharge excitation source.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942242A (en) * | 2017-10-22 | 2018-04-20 | 国网山西省电力公司电力科学研究院 | High-voltage AC breaker Characteristics Detection evaluation method based on arc extinguishing electromagnetic waveforms |
| CN110954646A (en) * | 2019-12-13 | 2020-04-03 | 深圳供电局有限公司 | Method and device for evaluating ablation behavior of contact |
| CN111679181A (en) * | 2020-06-19 | 2020-09-18 | 国网陕西省电力公司电力科学研究院 | Live detection method and device for ablation of high-voltage reactive switching switch contact |
| CN113311321A (en) * | 2021-05-27 | 2021-08-27 | 云南电网有限责任公司电力科学研究院 | Method for detecting three-phase arc extinguishing performance of circuit breaker based on separation algorithm |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB977732A (en) * | 1960-02-23 | 1964-12-09 | Electrical Res Ass | Improvements relating to apparatus for testing electrical circuit interrupters |
| US7268558B2 (en) * | 2005-08-31 | 2007-09-11 | Eaton Corporation | Circuit breaker tester including a pulse width modulation circuit |
| CN101487877A (en) * | 2009-02-25 | 2009-07-22 | 哈尔滨工业大学 | Electric arc test method and apparatus for contact head disjunction of switch apparatus |
| CN102495962A (en) * | 2011-12-05 | 2012-06-13 | 大连理工大学 | Short-circuit failure current model and current zero prediction algorithm based on same |
| CN102831793A (en) * | 2012-09-03 | 2012-12-19 | 汪泓 | Entity simulation training device for high voltage electrical test |
| CN103792453A (en) * | 2014-02-27 | 2014-05-14 | 国家电网公司 | Method for judging single-phase short circuit protective actions of power grid current limiting circuit breaker |
| CN103954911A (en) * | 2014-05-04 | 2014-07-30 | 国家电网公司 | Breaker arcing starting time detection system and method |
| CN104699920A (en) * | 2015-03-30 | 2015-06-10 | 河南行知专利服务有限公司 | Very fast transient overvoltage simulating calculation method for gas insulated switchgear |
| CN106407501A (en) * | 2016-08-18 | 2017-02-15 | 广州供电局有限公司 | High-pressure gas breaker breaking performance assessment method and system |
-
2017
- 2017-03-06 CN CN201710129264.0A patent/CN106896319B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB977732A (en) * | 1960-02-23 | 1964-12-09 | Electrical Res Ass | Improvements relating to apparatus for testing electrical circuit interrupters |
| US7268558B2 (en) * | 2005-08-31 | 2007-09-11 | Eaton Corporation | Circuit breaker tester including a pulse width modulation circuit |
| CN101487877A (en) * | 2009-02-25 | 2009-07-22 | 哈尔滨工业大学 | Electric arc test method and apparatus for contact head disjunction of switch apparatus |
| CN102495962A (en) * | 2011-12-05 | 2012-06-13 | 大连理工大学 | Short-circuit failure current model and current zero prediction algorithm based on same |
| CN102831793A (en) * | 2012-09-03 | 2012-12-19 | 汪泓 | Entity simulation training device for high voltage electrical test |
| CN103792453A (en) * | 2014-02-27 | 2014-05-14 | 国家电网公司 | Method for judging single-phase short circuit protective actions of power grid current limiting circuit breaker |
| CN103954911A (en) * | 2014-05-04 | 2014-07-30 | 国家电网公司 | Breaker arcing starting time detection system and method |
| CN104699920A (en) * | 2015-03-30 | 2015-06-10 | 河南行知专利服务有限公司 | Very fast transient overvoltage simulating calculation method for gas insulated switchgear |
| CN106407501A (en) * | 2016-08-18 | 2017-02-15 | 广州供电局有限公司 | High-pressure gas breaker breaking performance assessment method and system |
Non-Patent Citations (2)
| Title |
|---|
| 王伟: "12kV开关柜内部燃弧仿真及柜体强度优化", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 * |
| 郑立新: "直流电弧燃弧特性影响因素的仿真研究", 《电工电气》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107942242A (en) * | 2017-10-22 | 2018-04-20 | 国网山西省电力公司电力科学研究院 | High-voltage AC breaker Characteristics Detection evaluation method based on arc extinguishing electromagnetic waveforms |
| CN110954646A (en) * | 2019-12-13 | 2020-04-03 | 深圳供电局有限公司 | Method and device for evaluating ablation behavior of contact |
| CN110954646B (en) * | 2019-12-13 | 2022-09-02 | 深圳供电局有限公司 | Method and device for evaluating ablation behavior of contact |
| CN111679181A (en) * | 2020-06-19 | 2020-09-18 | 国网陕西省电力公司电力科学研究院 | Live detection method and device for ablation of high-voltage reactive switching switch contact |
| CN113311321A (en) * | 2021-05-27 | 2021-08-27 | 云南电网有限责任公司电力科学研究院 | Method for detecting three-phase arc extinguishing performance of circuit breaker based on separation algorithm |
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