CN106772019A - The separate detecting system of three-phase breaker electromagnetic wave signal and method - Google Patents
The separate detecting system of three-phase breaker electromagnetic wave signal and method Download PDFInfo
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- CN106772019A CN106772019A CN201710073588.7A CN201710073588A CN106772019A CN 106772019 A CN106772019 A CN 106772019A CN 201710073588 A CN201710073588 A CN 201710073588A CN 106772019 A CN106772019 A CN 106772019A
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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
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
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- Measuring Magnetic Variables (AREA)
Abstract
The embodiment of the present application discloses a kind of separate detecting system of three-phase breaker electromagnetic wave signal and method, by setting first antenna and the second antenna around three-phase breaker, using first antenna and the second antenna, the electromagnetic wave signal produced during three-phase breaker separating brake is received, electromagnetic wave signal is converted into first voltage signal and second voltage signal respectively afterwards；Using signal acquisition and processing apparatus, first voltage signal and second voltage signal are obtained, then calculate the reception time difference of first voltage signal and second voltage signal；Finally according to the reception time difference, it is separate corresponding to output electromagnetic wave signal, so as to detect the specific phase corresponding to each electromagnetic wave signal, it is easy to process the contact of serious ablation in time, contact is avoided to be broken down because ablation degree is overweight, it is ensured that the normal operation of power system.
Description
Technical field
The application is related to breaker survey technology field, more particularly to a kind of separate detection system of three-phase breaker electromagnetic wave signal
System and method.
Background technology
In power system, in order to be controlled to power network and be protected, breaker is generally set in power network.When power network hair
During raw failure, breaker can be acted by separating brake, cut off overload electric current and short circuit current, it is to avoid electric network fault further adds
Weight.With the increase of breaker open operation number of times, the ablation degree of circuit breaker internal contact is also constantly serious, the ablation degree of contact
It is the principal element for influenceing the breaker life-span.Once contact breaks down because ablation degree is overweight, it is easy to cause electric power
The paralysis of system, causes immeasurable loss.
Breaker can produce switching arc during producing separating brake action, so as to inspire electromagnetic wave letter in space
Number, the electromagnetic wave signal can reflect the ablation degree of contact of breaker.When contact of breaker ablation is serious, the electricity for giving off
Magnetostatic wave signal can be distorted.Therefore, existing contact of breaker ablation degree detecting method, generally produces separating brake in breaker
During action, the electromagnetic wave signal that detection breaker gives off, by analyzing whether electromagnetic wave signal is distorted, judges
Problem of the breaker with the presence or absence of the serious ablation of contact.
But, conventional three-phase breaker generally has first phase, second phase and the third phase being sequentially distributed,
The circuit breaker internal each phase of correspondence is mutually provided with a contact respectively, when breaker produces separating brake to act, breaker it is each
Xiang Douhui gives off electromagnetic wave signal, existing contact of breaker ablation degree detecting method, it is impossible to judge to produce electromagnetic wave letter
Number contact of breaker it is separate, therefore cannot detect that the contact ablation of which phase is serious, after can only breaker be disassembled
It is determined that it is specific separate, it is not easy to process the contact of serious ablation in time.
The content of the invention
It is existing disconnected to solve this application provides a kind of separate detecting system of three-phase breaker electromagnetic wave signal and method
Road device contact ablation degree detecting method, it is impossible to judge the separate problem of the contact of breaker of generation electromagnetic wave signal.
In a first aspect, this application provides a kind of separate detecting system of three-phase breaker electromagnetic wave signal, being applied to three-phase
Breaker, the three-phase breaker includes the first phase, second phase and the third phase that set gradually, the system bag
Include：
First antenna, the second antenna and signal acquisition and processing apparatus, the first antenna and second antenna are distinguished
It is connected with the signal acquisition and processing apparatus；The first antenna is arranged at the side of the first phase, second antenna
It is arranged at the side of the third phase；The distance between the first antenna and described first phase, less than described second day
The distance between line and described first phase；The distance between second antenna and described third phase, less than described first
The distance between antenna and described third phase；The distance between the first antenna and described second phase, equal to described
The distance between two antennas and described second phase；
The first antenna, the electromagnetic wave signal produced during for receiving the three-phase breaker separating brake, by the electromagnetism
Ripple signal is converted into first voltage signal；
Second antenna, the electromagnetic wave signal produced during for receiving the three-phase breaker separating brake, by the electromagnetism
Ripple signal is converted into second voltage signal；
The signal acquisition and processing apparatus, for receiving the first voltage signal and the second voltage signal, calculate
The reception time difference of the first voltage signal and the second voltage signal, according to the reception time difference, export the electricity
It is separate corresponding to magnetostatic wave signal.
With reference in a first aspect, in first aspect in the first possible implementation, the signal acquisition and processing apparatus bag
Include：
Time difference judging unit, for judging the reception time difference whether more than predetermined threshold value；
Separate output unit, if being more than the predetermined threshold value for the reception time difference, obtains the first voltage
In signal and the second voltage signal, the target antenna information corresponding to the voltage signal for first receiving；Export the electromagnetism
Separate corresponding to ripple signal is, corresponding apart from the target antenna information in the first phase and the third phase
The nearest phase of target antenna；If the time difference is less than or equal to the predetermined threshold value, the electromagnetic wave signal is exported
It is corresponding it is separate be second phase.
With reference in a first aspect, in second possible implementation of first aspect, the signal acquisition and processing apparatus are also
Including：
Signal distortion judging unit, for judging it is abnormal whether the first voltage signal and the second voltage signal produce
Become；
Contact ablation identifying unit, if producing distortion for the first voltage signal and the second voltage signal,
Then judge the serious ablation of contact of breaker of the generation electromagnetic wave signal
With reference in a first aspect, in first aspect in the third possible implementation, the first antenna and described second
The working band of antenna is 1.7GHz~1.75GHz.
With reference in a first aspect, in the 4th kind of possible implementation of first aspect, the first antenna and described first
The distance between phase, equal to the distance between second antenna and described third phase；Second antenna, described first
Antenna is poor with the distance between the first phase to be more than 30cm.
With reference in a first aspect, in the 5th kind of possible implementation of first aspect, the signal acquisition and processing apparatus
Sample frequency is more than or equal to 4GS/s, and sweep time is more than or equal to 30ms.
Second aspect, this application provides a kind of separate detection method of three-phase breaker electromagnetic wave signal, for above institute
The system stated, methods described comprises the following steps：
First voltage signal and second voltage signal are received, is produced when the first voltage signal is by three-phase breaker separating brake
Electromagnetic wave signal, by first antenna conversion after obtain, the second voltage signal by the electromagnetic wave signal, by second
Obtained after antenna conversion；
Calculate the reception time difference of the first voltage signal and the second voltage signal；
According to the reception time difference, export separate corresponding to the electromagnetic wave signal.
With reference to second aspect, in second aspect in the first possible implementation, judge to produce the electromagnetic wave signal
Contact of breaker corresponding to it is separate, including：
According to the reception time difference, export separate corresponding to the electromagnetic wave signal, including：
Judge the reception time difference whether more than predetermined threshold value；
If the reception time difference is more than the predetermined threshold value, the first voltage signal and second electricity are obtained
In pressure signal, the target antenna information corresponding to the voltage signal for first receiving；
Export corresponding to the electromagnetic wave signal it is separate be, in the first phase and the third phase, apart from institute
State the nearest phase of the corresponding target antenna of target antenna information；
If the reception time difference is less than or equal to the predetermined threshold value, export corresponding to the electromagnetic wave signal
Separate is second phase.
With reference to second aspect, in second possible implementation of second aspect, methods described also includes：
Judge whether the first voltage signal and the second voltage signal produce distortion；
If the first voltage signal and the second voltage signal produce distortion, judge to produce the electromagnetic wave letter
Number the serious ablation of contact of breaker.
The separate detecting system of three-phase breaker electromagnetic wave signal provided from above technical scheme, the application and side
Method, by setting first antenna and the second antenna around breaker, first antenna and the second antenna respectively with signal acquisition at
Reason device connection.Using first antenna, the electromagnetic wave signal produced during three-phase breaker separating brake is received, electromagnetic wave signal is changed
Into first voltage signal.Using the second antenna, the electromagnetic wave signal produced during three-phase breaker separating brake is received, by electromagnetic wave signal
It is converted into second voltage signal.Using signal acquisition and processing apparatus, first voltage signal and second voltage signal, Ran Houji are obtained
The reception time difference of first voltage signal and second voltage signal is calculated, finally according to the time difference is received, electromagnetic wave signal institute is exported
It is corresponding separate, the electromagnetic wave signal that three phases are produced is recognized one by one, detect the tool corresponding to each electromagnetic wave signal
Body phase position, subsequently just may determine that the phase of the serious ablation of contact, be easy to process the contact of serious ablation in time, keep away
Exempt from contact to be broken down because ablation degree is overweight, it is ensured that the normal operation of power system.
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.
The schematic diagram of the separate detecting system of three-phase breaker electromagnetic wave signal that Fig. 1 is provided for the embodiment of the present application；
A kind of block diagram of the separate detecting system of three-phase breaker electromagnetic wave signal that Fig. 2 is provided for the embodiment of the present application；
Another block diagram of the separate detecting system of three-phase breaker electromagnetic wave signal that Fig. 3 is provided for the embodiment of the present application；
The flow chart of the separate detection method of three-phase breaker electromagnetic wave signal that Fig. 4 is provided for the embodiment of the present application；
The step of Fig. 5 separate for three-phase breaker electromagnetic wave signal that the embodiment of the present application is provided detection methods S3 flow
Figure；
The step of Fig. 6 separate for three-phase breaker electromagnetic wave signal that the embodiment of the present application is provided detection methods S4 to S6
Flow chart.
Brief description of the drawings：1- first antennas；The antennas of 2- second；3- signal acquisition and processing apparatus；10- three-phase breakers；11-
One phase；12- second phase；13- third phase；31- time difference judging units；The separate output units of 32-；33- signal distortions
Judging unit；34- contact ablation identifying units.
Specific embodiment
Fig. 1 is referred to, a kind of separate detecting system of three-phase breaker electromagnetic wave signal provided for the embodiment of the present application
Schematic diagram, the system is applied to three-phase breaker 10, specifically includes：
First antenna 1, the second antenna 2 and signal acquisition and processing apparatus 3, the first antenna 1 and second antenna 2
It is connected with the signal acquisition and processing apparatus 3 respectively.
Wherein, the first antenna 1 is arranged at the side of the first phase 11, and second antenna 2 is arranged at described
The side of third phase 13.
The distance between the first antenna 1 and described first phase 11, less than second antenna 2 and first phase
Position the distance between 11.The distance between second antenna 2 and described third phase 13, less than the first antenna 1 and institute
State the distance between third phase 13, the distance between the first antenna 1 and described second phase 12, equal to described second day
The distance between line 2 and described second phase 12.
Wherein, the first antenna 1 and second antenna 2 can be arranged on the same side of three-phase breaker 10, also may be used
To be arranged on the not homonymy of three-phase breaker 10.In the present embodiment, set with the first antenna 1 and second antenna 2
Situation in the same side of three-phase breaker 10 is illustrated.
Wherein, the first antenna 1, the electromagnetic wave signal produced during for receiving 10 separating brake of three-phase breaker will
The electromagnetic wave signal is converted into first voltage signal.
Second antenna 2, the electromagnetic wave signal produced during for receiving 10 separating brake of three-phase breaker, by the electricity
Magnetostatic wave signal is converted into second voltage signal.
The signal acquisition and processing apparatus 3, for receiving first voltage signal and second voltage signal, calculate described first
The reception time difference of voltage signal and the second voltage signal；According to the reception time difference, the electromagnetic wave signal is exported
Corresponding is separate.
1 and second antenna of first antenna 2 uses high-frequency narrow-band probe antenna, the first antenna 1 and second antenna 2
Working band be specially 1.7GHz~1.75GHz, strong interference immunity, and it is clear to receive the waveform that electromagnetic wave signal produces,
Signal acquisition and processing apparatus 3 are conducive to calculate the reception time difference of the first voltage signal and the second voltage signal, from
And accurately judge the corresponding separate of electromagnetic wave signal.
In the present embodiment, the distance between the first antenna 1 and described first phase 11, equal to second antenna 2
The distance between with the third phase 13；Second antenna 2, between the first antenna 1 and the first phase 11
Range difference is more than 30cm, may be such that first voltage signal and the time delay of second voltage signal waveform become apparent from, and lifts the standard of detection
Exactness.
According to sampling thheorem, sample frequency must be in more than 2 times of signal frequency, in the present embodiment, the signal acquisition
The sample frequency of processing unit 3 is more than or equal to 4GS/s, and sweep time is more than or equal to 30ms, due to the time of three-phase signal
Difference is ms magnitudes, and when breaker is defective, the time difference may be longer, therefore sweep time is more than or equal to 30ms, it is ensured that inspection
That surveys is smoothed out.
Additionally, the signal acquisition and processing apparatus 3, can be also used for the first voltage signal and the second voltage
Signal carries out analog-to-digital conversion, and the data signal that will be converted to is stored, and display etc. function.
As shown in Fig. 2 the signal acquisition and processing apparatus 3 include：
Time difference judging unit 31, for judging the reception time difference whether more than predetermined threshold value.
Separate output unit 32, if being more than the predetermined threshold value for the reception time difference, obtains first electricity
In pressure signal and the second voltage signal, the target antenna information corresponding to the voltage signal for first receiving.
Export corresponding to the electromagnetic wave signal it is separate be, in the first phase and the third phase, apart from institute
State the nearest phase of the corresponding target antenna of target antenna information；If the time difference is less than or equal to the predetermined threshold value,
Then export corresponding to the electromagnetic wave signal it is separate be second phase.
In the present embodiment, predetermined threshold value as 0.5ns is set.If the signal acquisition and processing apparatus 3 receive described first
The time difference of voltage signal and the second voltage signal is more than 0.5ns, and the signal acquisition and processing apparatus 3 are firstly received
Second voltage signal, after receive first voltage signal, then can show that second antenna 2 first receives electromagnetic wave signal,
Electromagnetic wave signal is received after first antenna 1.
According to the antenna 2 of first antenna 1 and second apart from first phase 11, second phase 12 and third phase 13 distance
Relation understands that the second antenna of distance 2 of third phase 13 recently, therefore just may determine that the electromagnetic wave signal comes from third phase
Position 13.
If the signal acquisition and processing apparatus 3 receive the time of the first voltage signal and the second voltage signal
Difference is more than 0.5ns, and the signal acquisition and processing apparatus 3 are firstly received first voltage signal, after receive second voltage letter
Number, then can show that the first antenna 1 first receives electromagnetic wave signal, receive electromagnetic wave signal after the second antenna 2.
According to the antenna 2 of first antenna 1 and second apart from first phase 11, second phase 12 and third phase 13 distance
Relation understands that first phase 11 is nearest apart from first antenna 1, therefore just may determine that the electromagnetic wave signal comes from the first phase
Position 11.
If the signal acquisition and processing apparatus 3 receive the time of the first voltage signal and the second voltage signal
Difference is less than 0.5ns, then be considered as signal acquisition and processing apparatus 3 and be nearly simultaneously received first voltage signal and second voltage letter
Number.
According to the antenna 2 of first antenna 1 and second apart from first phase 11, second phase 12 and third phase 13 distance
Relation understands that second phase 12 is identical with the distance of the second antenna 2 apart from first antenna 1, therefore just may determine that the electromagnetism
Ripple signal comes from second phase 12.
Through the above way, just can to 10 separating brake of three-phase breaker when the electromagnetic wave signal that produces recognized one by one,
Judge separate corresponding to each electromagnetic wave signal.
As shown in figure 3, the signal acquisition and processing apparatus 3 can also include：
Signal distortion judging unit 33, for judging whether the first voltage signal and the second voltage signal produce
Distortion.
Contact ablation identifying unit 34, if the first voltage signal and the second voltage signal produce distortion,
Judge the serious ablation of contact of breaker of the generation electromagnetic wave signal.
Can interpolate that out corresponding to each electromagnetic wave signal it is separate on the basis of, electromagnetic wave signal is being utilized, to touching
When the ablation situation of head is detected, without being disassembled to three-phase breaker 10, and the contact place for determining serious ablation
It is separate, be easy to process the contact of serious ablation in time, it is to avoid contact breaks down because ablation degree is overweight, protect
Demonstrate,prove the normal operation of power system.
Fig. 4 is referred to, a kind of separate detecting system of three-phase breaker electromagnetic wave signal provided in the embodiment of the present application
On the basis of, the embodiment of the present application also provides a kind of separate detection method of three-phase breaker electromagnetic wave signal, for above-described
System, methods described comprises the following steps：
Step S1, reception first voltage signal and second voltage signal, the first voltage signal is by three-phase breaker point
The electromagnetic wave signal produced during lock, by first antenna conversion after obtain, the second voltage signal by the electromagnetic wave signal,
Obtained by after the conversion of the second antenna.
Step S2, the reception time difference for calculating the first voltage signal and the second voltage signal.
Step S3, according to the reception time difference, export separate corresponding to the electromagnetic wave signal.
As shown in figure 5, according to the reception time difference, export separate corresponding to the electromagnetic wave signal, including：
Step S31, judge the reception time difference whether more than predetermined threshold value.
If step S32, the reception time difference are more than the predetermined threshold value, the first voltage signal and institute are obtained
In stating second voltage signal, the target antenna information corresponding to the voltage signal for first receiving.
Step S33, export corresponding to the electromagnetic wave signal it is separate be, the first phase and the third phase
In, the phase nearest apart from the corresponding target antenna of the target antenna information.
If step S34, the reception time difference are less than or equal to the predetermined threshold value, the electromagnetic wave signal is exported
It is corresponding it is separate be second phase.
As shown in fig. 6, methods described also includes：
Step S4, judge whether the first voltage signal and the second voltage signal produce distortion.
If step S5, the first voltage signal and the second voltage signal produce distortion, judge that generation is described
The serious ablation of contact of breaker of electromagnetic wave signal.
If step S6, the first voltage signal and the second voltage signal do not produce distortion, judge to produce
The not serious ablation of the contact of breaker of the electromagnetic wave signal.
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 embodiment of the three-phase breaker electromagnetic wave signal separate detection method that the application is provided when performing
In part or all of step.Described storage medium can be magnetic disc, CD, read-only memory (English：read-only
Memory, referred to as：ROM) or random access memory (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 part institutes of each embodiment of the invention or embodiment
The method stated.
Above-described presently filed embodiment is not intended to limit the scope of the present invention..
Claims (9)
1. a kind of separate detecting system of three-phase breaker electromagnetic wave signal, is applied to three-phase breaker, the three-phase breaker bag
Include first phase, second phase and the third phase for setting gradually, it is characterised in that the system includes：
First antenna, the second antenna and signal acquisition and processing apparatus, the first antenna and second antenna respectively with institute
State signal acquisition and processing apparatus connection；The first antenna is arranged at the side of the first phase, and second antenna is set
In the side of the third phase；The distance between the first antenna and described first phase, less than second antenna with
The distance between described first phase；The distance between second antenna and described third phase, less than the first antenna
The distance between with the third phase；The distance between the first antenna and described second phase, equal to described second day
The distance between line and described second phase；
The first antenna, the electromagnetic wave signal produced during for receiving the three-phase breaker separating brake, by electromagnetic wave letter
Number it is converted into first voltage signal；
Second antenna, the electromagnetic wave signal produced during for receiving the three-phase breaker separating brake, by electromagnetic wave letter
Number it is converted into second voltage signal；
The signal acquisition and processing apparatus, for receiving the first voltage signal and the second voltage signal, calculate described
The reception time difference of first voltage signal and the second voltage signal, according to the reception time difference, export the electromagnetic wave
It is separate corresponding to signal.
2. the system as claimed in claim 1, it is characterised in that the signal acquisition and processing apparatus include：
Time difference judging unit, for judging the reception time difference whether more than predetermined threshold value；
Separate output unit, if being more than the predetermined threshold value for the reception time difference, obtains the first voltage signal
In the second voltage signal, the target antenna information corresponding to the voltage signal for first receiving；Export the electromagnetic wave letter
Separate corresponding to number is, in the first phase and the third phase, apart from the corresponding target of the target antenna information
The nearest phase of antenna；If the time difference is less than or equal to the predetermined threshold value, the electromagnetic wave signal institute is exported right
Answer it is separate be second phase.
3. the system as claimed in claim 1, it is characterised in that the signal acquisition and processing apparatus also include：
Signal distortion judging unit, for judging whether the first voltage signal and the second voltage signal produce distortion；
Contact ablation identifying unit, if producing distortion for the first voltage signal and the second voltage signal, judges
Produce the serious ablation of contact of breaker of the electromagnetic wave signal.
4. the system as claimed in claim 1, it is characterised in that the working band of the first antenna and second antenna is
1.7GHz~1.75GHz.
5. the system as claimed in claim 1, it is characterised in that the distance between the first antenna and described first phase,
Equal to the distance between second antenna and described third phase；Second antenna, the first antenna and described first
The distance between phase difference is more than 30cm.
6. the system as claimed in claim 1, it is characterised in that the sample frequency of the signal acquisition and processing apparatus is more than or waits
In 4GS/s, sweep time is more than or equal to 30ms.
7. a kind of separate detection method of three-phase breaker electromagnetic wave signal, for the system described in claim 1, its feature exists
In methods described comprises the following steps：
Receive first voltage signal and second voltage signal, the electricity produced when the first voltage signal is by three-phase breaker separating brake
Magnetostatic wave signal, by first antenna conversion after obtain, the second voltage signal by the electromagnetic wave signal, by the second antenna
Obtained after conversion；
Calculate the reception time difference of the first voltage signal and the second voltage signal；
According to the reception time difference, export separate corresponding to the electromagnetic wave signal.
8. method as claimed in claim 7, it is characterised in that according to the reception time difference, exports the electromagnetic wave signal
Corresponding is separate, including：
Judge the reception time difference whether more than predetermined threshold value；
If the reception time difference is more than the predetermined threshold value, the first voltage signal and second voltage letter are obtained
In number, the target antenna information corresponding to the voltage signal for first receiving；
Export corresponding to the electromagnetic wave signal it is separate be, in the first phase and the third phase, apart from the mesh
The nearest phase of the corresponding target antenna of mark aerial information；
If the reception time difference is less than or equal to the predetermined threshold value, export separate corresponding to the electromagnetic wave signal
It is second phase.
9. method as claimed in claim 7, it is characterised in that methods described also includes：
Judge whether the first voltage signal and the second voltage signal produce distortion；
If the first voltage signal and the second voltage signal produce distortion, judge to produce the electromagnetic wave signal
The serious ablation of contact of breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710073588.7A CN106772019A (en) | 2017-02-10 | 2017-02-10 | The separate detecting system of three-phase breaker electromagnetic wave signal and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710073588.7A CN106772019A (en) | 2017-02-10 | 2017-02-10 | The separate detecting system of three-phase breaker electromagnetic wave signal and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106772019A true CN106772019A (en) | 2017-05-31 |
Family
ID=58956348
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710073588.7A Pending CN106772019A (en) | 2017-02-10 | 2017-02-10 | The separate detecting system of three-phase breaker electromagnetic wave signal and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311708A (en) * | 2019-07-29 | 2019-10-08 | 云南电网有限责任公司红河供电局 | Circuit breaker electric magnetostatic wave signal acquisition device |
| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954911A (en) * | 2014-05-04 | 2014-07-30 | 国家电网公司 | Breaker arcing starting time detection system and method |
| CN205067687U (en) * | 2015-09-22 | 2016-03-02 | 华北电力大学 | Circuit breaker arc extinguishing characteristic detects and evaluation device |
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- 2017-02-10 CN CN201710073588.7A patent/CN106772019A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954911A (en) * | 2014-05-04 | 2014-07-30 | 国家电网公司 | Breaker arcing starting time detection system and method |
| CN205067687U (en) * | 2015-09-22 | 2016-03-02 | 华北电力大学 | Circuit breaker arc extinguishing characteristic detects and evaluation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311708A (en) * | 2019-07-29 | 2019-10-08 | 云南电网有限责任公司红河供电局 | Circuit breaker electric magnetostatic wave signal acquisition device |
| 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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Application publication date: 20170531 |