CN103336223A - Fault arc detecting and positioning system and method - Google Patents
Fault arc detecting and positioning system and method Download PDFInfo
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- CN103336223A CN103336223A CN2013102343035A CN201310234303A CN103336223A CN 103336223 A CN103336223 A CN 103336223A CN 2013102343035 A CN2013102343035 A CN 2013102343035A CN 201310234303 A CN201310234303 A CN 201310234303A CN 103336223 A CN103336223 A CN 103336223A
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Abstract
The invention relates to a fault arc detecting and positioning system and method. The system comprises a human-computer interface, a digital signal conversion module, an analog signal conversion module, an arc probe group and an auxiliary sensor (such as a temperature sensor, a humidity sensor and an ultrasonic sensor); the method comprises the following operation steps: 1) arc probe and auxiliary sensor layout, 2) data conversion, 3) data fusion and positioning algorithm, and 4) human-computer interface display. Through the adoption of the invention, whether an arc generated in a circuit or a line is a fault arc or not can be distinguished more accurately, in-time early warning is realized, and meanwhile, two-dimensional or three-dimensional positioning is carried out on the generated fault arc to be convenient for maintenance personnel to maintain. The system and the method have the advantages that the system has a simple structure, and is low in cost, and the method is simple and convenient to operate, is excellent in performance, and is suitable for detection occasions of fault arcs of large-scale electrical equipment or lines.
Description
Technical field
The present invention relates to a kind of fault electric arc detection and positioning system and method, particularly a kind of fault electric arc detection and positioning system and method based on multisensor.
Background technology
Raising along with China's rapid economy development and living standards of the people, various electrical equipments are widely used among people's the life, along with and the electrical fire accident come is also more and more, and cause tremendous loss, one of principal element that wherein causes the electrical fire accident is exactly fault electric arc.According to the mechanism that electric arc produces, the electric arc on the circuit can be divided into two kinds, and a kind of is normal operation arc, claims " good arc "; Another kind is fault electric arc, claims " bad arc "." good arc " refers to the arc that motor rotation (as electric drill, suction cleaner etc.) produces.Certainly, the arc that produces during electrical equipment of people's device for switching, plug also belongs to " good arc "." bad arc " is fault electric arc.Fault electric arc mainly is because electric insulation such as electric wire is aging, damaged, and the air breakdown that there was dampness in the air causes is electrically connected perhaps that reason such as loosening causes.
The characteristics of fault electric arc are that temperature is very high, and electric current is very little, and the duration is short, in case breakdown point occurs then can frequently occur.During the fault electric arc discharge, can produce a large amount of heat, the inflammable explosive article around igniting cause fire even blast, and traditional fuse and electronic circuit breaker can not satisfy this requirement of arc fault detection.This is because present isolating switch all only is designed to detect the overload current situation.The electric current of low-level electric arc is very little, even less than rated current, present isolating switch can not respond; Though and the electric current of high-level electric arc is bigger, its duration is too short, and conventional circuit breaker also has little time to make the protection action, and electric arc just extinguishes.Simultaneously since traditional isolating switch difficulty distinguish normal arc and fault electric arc, often produce maloperation, therefore fault electric arc is detected, thereby electrical damage even the fire that fault electric arc causes is prevented to be necessary greatly timely.And for the apparatus of remote districts, the blower fan on mountain top or the sea for example, for the consideration of economic return aspect, the work that need constantly not stop is behind the electric arc that breaks down, the maintenance personal is difficult to keep in repair timely, therefore need early warning timely before serious fault electric arc takes place, and traditional isolating switch can stop the work of apparatus when detecting fault electric arc, cause bigger economic loss, simultaneously make troubles to the maintenance personal in the position that can't fault location electric arc takes place of conventional circuit breaker.
Summary of the invention
The objective of the invention is to the defective at the prior art existence, a kind of fault electric arc detection and positioning system and method for practicality is provided.It can differentiate more accurately whether the electric arc that produces in electrical equipment or the circuit is fault electric arc, can also carry out two dimension or three-dimensional localization to the fault electric arc that produces simultaneously, so that maintenance personal's maintenance.
For reaching above-mentioned purpose, the present invention adopts following technical proposals:
A kind of fault electric arc detection and positioning system and method, be made up of man-machine interface, digital signal modular converter, analog signal conversion module, electric arc probe group, aiding sensors, it is characterized in that: described man-machine interface is connected communication with universal serial bus or netting twine mode with digital signal modular converter, analog signal conversion module; Described digital signal modular converter and analog signal conversion module communicate with universal serial bus mode and electric arc probe group, aiding sensors.
Above-mentioned digital signal modular converter provides multi-channel digital input and hyperchannel to isolate numeral output.
Above-mentioned analog signal conversion module is multichannel analog amount load module, can gather electric current and voltage analog signal.
Above-mentioned electric arc probe group is total
nGroup, according to system scale,
nVariable sizeization.In the described electric arc probe group, every group comprises individual arbitrarily
mThe electric arc probe of combination,
mVariable sizeization, three electric arcs probes with " product " font combination; Each electric arc probe group can be carried out the two dimensional surface location to fault electric arc, according to required detection electrical equipment or circuit, lays the three-dimensional fix that electric arc probe group then can realize fault electric arc at the space diverse location; Described electric arc probe is made up of shell, connection draw-in groove, butt hook, probe tube, UV sensor and signal processing circuit board; Described housing exterior is positive hexagonal prism, inside is hollow cylinder, be embedded with 2 on 5 square surface of described shell respectively and connect draw-in groove, be embedded with 2 butt hooks on 1 square surface of described shell, the butt hook of any electric arc probe can with another one electric arc probe be connected the draw-in groove splicing, a therefore electric arc required fault electric arc probe group of one-tenth capable of being combined of popping one's head in arbitrarily; Described probe tube front end has screw thread, can control the length of probe tube by rotation mode, thereby has controlled the signal range of receiving angle of UV sensor; Described UV sensor can detect the ultraviolet light that electric arc sends, and insensitive to infrared ray and visible light; Simultaneously UV sensor can also the responsive intensity of distinguishing electric arc, and be converted into electric signal; Described signal processing circuit board can be exported the electric arc that detects respectively with digital electric signal and analog electrical signal.
Above-mentioned aiding sensors is total
tGroup, according to system scale,
tVariable sizeization, it comprises temperature sensor, humidity sensor, infrared sensor and sonac; Various physical phenomenons when aiding sensors can detect the fault electric arc generation are to be used for judging whether the electric arc that produces in electrical equipment or the circuit is fault electric arc.
A kind of fault electric arc detects fault electric arc detection and the localization method with positioning system, it is characterized in that comprising following operation steps: 1) electric arc probe and aiding sensors layout, 2) data-switching, 3) data fusion and location algorithm, 4) the man-machine interface demonstration.
Above-mentioned steps 1) electric arc probe and aiding sensors layout are two dimensional topology and three-dimensional layout.Two dimensional topology: electrical equipment or the positive suitably distance of circuit to required detection are laid an electric arc probe group, making the arc signal range of receiving of the electric arc probe of combining is a plurality of mutual overlapping circles, thereby form a plurality of different signal receiving areas, the big I of signal receiving area is adjusted by the probe tube of each probe; Three-dimensional layout: on the basis of described two dimensional topology, lay electric arc probe group more than two groups in the suitable distance in the side of required detection electrical equipment or circuit, the arc signal receiving area that all electric arcs are popped one's head in is overlapping to be three dimensions.Described aiding sensors is used for judging whether the electric arc that detects is fault electric arc, every kind of aiding sensors is respectively laid one as temperature sensor, humidity sensor, infrared sensor and sonac etc. in the electrical equipment of required detection or circuit zone.
Above-mentioned steps 2) data-switching: with analog signal conversion module converts become man-machine interface discernible signal to digital and analog signaling through the digital signal modular converter with what fault electric arc probe, aiding sensors were surveyed, be used for step 3) data fusion and location algorithm.
Above-mentioned steps 3) data fusion and location algorithm: when electric arc produces, at first popped one's head in by electric arc, numeral and analog electrical signal are surveyed and produced to aiding sensors, then by digital signal modular converter and analog signal conversion module converts data, carry out the fuzzy reasoning blending algorithm again and take a decision as to whether fault electric arc, if big Zhi zone or space that the digital signal preliminary judgement fault electric arc that fault electric arc then obtains according to each electric arc probe takes place, the strength signal that obtains according to each electric arc probe is verified the accuracy of described preliminary judgement at last, thereby reaches more accurate localization fault electric arc.
Above-mentioned steps 4) man-machine interface shows: man-machine interface shows that the position of the electric arc probe that whether produces fault electric arc and lay according to step 1) sets the search coverage that shows on the man-machine interface, and the result who is obtained by step 3) data fusion and location algorithm demonstrates which zone or the space electric arc that breaks down in man-machine interface.
The present invention has following outstanding substantive distinguishing features and remarkable advantage compared with prior art:
1.The present invention can early warning timely when electrical equipment or circuit produce early stage fault electric arc, prevents from producing in electrical equipment or the circuit more serious fault electric arc;
2.The present invention adopts multisensor that fault electric arc is detected, and can distinguish more accurately whether the electric arc of generation is fault electric arc, prevents false alarm;
3.The present invention uses a plurality of electric arc probes, can carry out two dimension or three-dimensional localization to fault electric arc, so that the maintenance personal can correctly find abort situation fast;
4.The present invention adopts man-machine interface to show whether to break down electric arc, and can show the zone that fault electric arc takes place, simultaneously can also log history fault electric arc generation curve map, so that query note later on.
5.Its system architecture of the present invention is simple, with low cost; Easy and simple to handle, the excellent performance of its method, the fault electric arc that is suitable for extensive electrical equipment or circuit detects occasion.
Description of drawings
Fig. 1 is the system architecture diagram of one embodiment of the invention.
Fig. 2 is that the realization fault electric arc of Fig. 1 example detects and the electric arc sonde configuration figure that locatees.
Fig. 3 is that the realization fault electric arc of Fig. 1 example detects and the control electric arc probe signal range of receiving angle synoptic diagram of locating.
Fig. 4 is that the realization fault electric arc of forming with three electric arc probes of Fig. 1 example detects and the electric arc probe group structural drawing of locating.
Fig. 5 is that the realization fault electric arc of Fig. 1 example detects and the general procedure block diagram of locating.
Fig. 6 is that the realization fault electric arc of Fig. 1 example detects and the detailed procedure process flow diagram of locating.
Fig. 7 is the realization fault electric arc detection of Fig. 1 example and three-dimensional layout's instance graph of the fault electric arc probe group of location.
Fig. 8 is that the electric arc probe group of forming with three electric arc probes of Fig. 1 example realizes that fault electric arc detects and the electric arc probe group signal of location receives two-dimentional coverage diagram.
Fig. 9 is that detecting with the fault electric arc probe group signal of locating with two groups of electric arc probe groups realization fault electric arcs of Fig. 1 example receives three-dimensional coverage diagram
Figure 10 is that the realization fault electric arc of Fig. 1 example detects and the data fusion of location and the implementing procedure figure of location algorithm.
Embodiment
Details are as follows by reference to the accompanying drawings for preferential embodiment of the present invention:
Embodiment one:
Referring to Fig. 1, a kind of fault electric arc detects and positioning system, by man-machine interface (1), digital signal modular converter (2), analog signal conversion module (3), electric arc probe group (4.1,4.2 ..., 4.
n), aiding sensors (5.1,5.2 ..., 5.
t) form, it is characterized in that: described man-machine interface (1) is connected communication with universal serial bus or netting twine mode with digital signal modular converter (2), analog signal conversion module (3); Described digital signal modular converter (2) and analog signal conversion module with universal serial bus mode and electric arc probe group (4.1,4.2 ..., 4.
n), aiding sensors (5.1,5.2 ..., 5.
t) communicate.
Embodiment two: present embodiment and embodiment one are basic identical, and special feature is:
Above-mentioned digital signal modular converter (2) provides multi-channel digital input and hyperchannel to isolate numeral output.
Above-mentioned analog signal conversion module (3) is multichannel analog amount load module, can gather electric current and voltage analog signal.
Above-mentioned electric arc probe group (4.1,4.2 ..., 4.
n) total
nGroup, according to system scale,
nVariable sizeization.Described electric arc probe group (4.1,4.2 ..., 4.
n) in, every group comprises individual arbitrarily
mThe electric arc probe of combination (4.1.1,4.1.2 ..., 4.1.
m, 4.2.1,4.2.2 ..., 4.2.
m..., 4.
n.1,4.
n.2 ..., 4.
n.
m),
mVariable sizeization, for example three electric arc probes with " product " font combination (4.1.1,4.1.2 ..., 4.1.
m, 4.2.1,4.2.2 ..., 4.2.
m..., 4.
n.1,4.
n.2 ..., 4.
n.
m); Each electric arc probe group (4.1,4.2 ..., 4.
n) can carry out two dimensional surface location to fault electric arc, according to required detection electrical equipment or circuit, the space diverse location lay electric arc probe group (4.1,4.2 ..., 4.
n) then can realize the three-dimensional fix of fault electric arc.
Referring to Fig. 2, Fig. 3, Fig. 4, above-mentioned electric arc probe (4.1.1,4.1.2 ..., 4.1.
m, 4.2.1,4.2.2 ..., 4.2.
m..., 4.
n.1,4.
n.2 ..., 4.
n.
m) formed by shell (6), connection draw-in groove (7), butt hook (8), probe tube (9), UV sensor (10) and signal processing circuit board (11).Described shell (6) outside is positive hexagonal prism, inside is hollow cylinder, be embedded with 2 on 5 square surface of described shell (6) respectively and connect draw-in groove (7), be embedded with 2 butt hooks (8) on 1 square surface of described shell (6), any electric arc probe (4.1.1,4.1.2 ..., 4.1.
m, 4.2.1,4.2.2 ..., 4.2.
m..., 4.
n.1,4.
n.2 ..., 4.
n.
m) butt hook (8) can with another one electric arc probe (4.1.1,4.1.2 ..., 4.1.
m, 4.2.1,4.2.2 ..., 4.2.
m..., 4.
n.1,4.
n.2 ..., 4.
n.
m) connection draw-in groove (7) splicing, therefore arbitrarily an electric arc pop one's head in the required fault electric arc probe group of one-tenth capable of being combined (4.1,4.2 ..., 4.
n); Described probe tube (9) front end has screw thread, can control the length of probe tube (9) by rotation mode, thereby has controlled the signal range of receiving angle of UV sensor (10); Described UV sensor (10) can detect the ultraviolet light that electric arc sends, and insensitive to infrared ray and visible light; Simultaneously UV sensor (10) can also the responsive intensity of distinguishing electric arc, and be converted into electric signal; Described signal processing circuit board (11) can be exported the electric arc that detects respectively with digital electric signal and analog electrical signal.
Aiding sensors (5.1,5.2 ..., 5.
t) total
tGroup, according to system scale,
tVariable sizeization, it comprises temperature sensor, humidity sensor, infrared sensor and sonac etc.Aiding sensors (5.1,5.2 ..., 5.
t) various physical phenomenons in the time of detecting fault electric arc and take place, to be used for judging whether the electric arc that produces in electrical equipment or the circuit is fault electric arc.
Embodiment three:
Referring to Fig. 5, Fig. 6, this fault electric arc detects fault electric arc detection and the localization method with positioning system, adopt said system to operate, it is characterized in that comprising following operation steps: 1) electric arc probe and aiding sensors layout, 2) data-switching, 3) data fusion and location algorithm, 4) the man-machine interface demonstration.
Embodiment four: present embodiment and embodiment three are basic identical, and special feature is:
Referring to Fig. 7, Fig. 8, Fig. 9, above-mentioned steps 1) electric arc probe and aiding sensors layout are two dimensional topology and three-dimensional layout: two dimensional topology: for example electrical equipment or the positive suitably distance of circuit of required detection are laid three electric arc probes that lump together with " product " glyph group, making the arc signal range of receiving of three electric arc probes is three mutual overlapping circles, thereby form A, B, C, D, E, F, G totally 7 different signal receiving areas, the big I of signal receiving area is adjusted by the probe tube (9) of each probe; By the digital and analog signaling that each electric arc probe is exported, judge fault electric arc occurs in which the piece zone in these 7 zones; Three-dimensional layout: on the basis of described two dimensional topology, the suitable distance in the side of required detection electrical equipment or circuit lay any electric arc probe group (4.1,4.2 ..., 4.
n) (for example electric arc probe group and one group one electric arc probe group that probe is formed that one group of two electric arc of employing is popped one's head in and formed among Fig. 8), the arc signal receiving area that all electric arcs are popped one's head in is overlapping to be three-dimensional shape; By the digital and analog signaling that each electric arc probe is exported, judge fault electric arc occurs in which the piece zone in this three dimensions; Described aiding sensors (5.1,5.2 ..., 5.
t) be used for judging whether the electric arc that detects is fault electric arc, every kind of aiding sensors (5.1,5.2 ..., 5.
t), in the electrical equipment of required detection or circuit zone, respectively lay one as temperature sensor, humidity sensor, infrared sensor and sonac etc.
Above-mentioned steps 2) data-switching: fault electric arc is popped one's head in (4.1.1,4.1.2 ..., 4.1.
m, 4.2.1,4.2.2 ..., 4.2.
m..., 4.
n.1,4.
n.2 ..., 4.
n.
m), aiding sensors (5.1,5.2 ..., 5.
t) survey convert the discernible signal of man-machine interface (1) to digital and analog signaling to through digital signal modular converter (2) and analog signal conversion module (3), for step 3) data fusion and location algorithm.
Referring to Figure 10, above-mentioned steps 3) data fusion and location algorithm: when electric arc produces, at first by the electric arc probe (4.1.1,4.1.2 ..., 4.1.
m, 4.2.1,4.2.2 ..., 4.2.
m..., 4.
n.1,4.
n.2 ..., 4.
n.
m), aiding sensors (5.1,5.2 ..., 5.
t) survey and generation numeral and analog electrical signal, then by digital signal modular converter (2) and analog signal conversion module (3) translation data, carry out the fuzzy reasoning blending algorithm again and take a decision as to whether fault electric arc, if big Zhi zone or space that the digital signal preliminary judgement fault electric arc that fault electric arc then obtains according to each electric arc probe takes place, the strength signal that obtains according to each electric arc probe is verified the accuracy of described preliminary judgement at last, thereby reaches more accurate localization fault electric arc.
Above-mentioned steps 4) man-machine interface shows: man-machine interface (1) shows that the position of the electric arc probe that whether produces fault electric arc and lay according to step 1) sets man-machine interface (1) and go up the search coverage that shows, the result who is obtained by step 3) data fusion and location algorithm demonstrates which zone or the space electric arc that breaks down in man-machine interface (1).
Claims (11)
1. a fault electric arc detects and positioning system, by man-machine interface (1), digital signal modular converter (2), analog signal conversion module (3), electric arc probe group (4.1,4.2 ..., 4.
n), aiding sensors (5.1,5.2 ..., 5.
t) form, it is characterized in that: described man-machine interface (1) is connected communication with universal serial bus or netting twine mode with digital signal modular converter (2), analog signal conversion module (3); Described digital signal modular converter (2) and analog signal conversion module with universal serial bus mode and electric arc probe group (4.1,4.2 ..., 4.
n), aiding sensors (5.1,5.2 ..., 5.
t) communicate.
2. fault electric arc according to claim 1 detects and positioning system, it is characterized in that: described digital signal modular converter (2) provides multi-channel digital input and hyperchannel to isolate numeral output.
3. fault electric arc according to claim 1 detects and positioning system, and it is characterized in that: described analog signal conversion module (3) is multichannel analog amount load module, can gather electric current and voltage analog signal.
4. fault electric arc according to claim 1 detects and positioning system, it is characterized in that: described electric arc probe group (4.1,4.2 ..., 4.
n) total
nGroup, according to system scale,
nVariable sizeization.Described electric arc probe group (4.1,4.2 ..., 4.
n) in, every group comprises individual arbitrarily
mThe electric arc probe of combination (4.1.1,4.1.2 ..., 4.1.
m, 4.2.1,4.2.2 ..., 4.2.
m..., 4.
n.1,4.
n.2 ..., 4.
n.
m),
mVariable sizeization, three electric arc probes with " product " font combination (4.1.1,4.1.2 ..., 4.1.
m, 4.2.1,4.2.2 ..., 4.2.
m..., 4.
n.1,4.
n.2 ..., 4.
n.
m); Each electric arc probe group (4.1,4.2 ..., 4.
n) can carry out two dimensional surface location to fault electric arc, according to required detection electrical equipment or circuit, the space diverse location lay electric arc probe group (4.1,4.2 ..., 4.
n) then can realize the three-dimensional fix of fault electric arc.
5. fault electric arc according to claim 4 detects and positioning system, it is characterized in that: described electric arc probe (4.1.1,4.1.2 ..., 4.1.
m, 4.2.1,4.2.2 ..., 4.2.
m..., 4.
n.1,4.
n.2 ..., 4.
n.
m) formed by shell (6), connection draw-in groove (7), butt hook (8), probe tube (9), UV sensor (10) and signal processing circuit board (11); Described shell (6) outside is positive hexagonal prism, inside is hollow cylinder, be embedded with 2 on 5 square surface of described shell (6) respectively and connect draw-in groove (7), be embedded with 2 butt hooks (8) on 1 square surface of described shell (6), any electric arc probe (4.1.1,4.1.2 ..., 4.1.
m, 4.2.1,4.2.2 ..., 4.2.
m..., 4.
n.1,4.
n.2 ..., 4.
n.
m) butt hook (8) can with another one electric arc probe (4.1.1,4.1.2 ..., 4.1.
m, 4.2.1,4.2.2 ..., 4.2.
m..., 4.
n.1,4.
n.2 ..., 4.
n.
m) connection draw-in groove (7) splicing, therefore arbitrarily an electric arc pop one's head in the required fault electric arc probe group of one-tenth capable of being combined (4.1,4.2 ..., 4.
n); Described probe tube (9) front end has screw thread, can control the length of probe tube (9) by rotation mode, thereby has controlled the signal range of receiving angle of UV sensor (10); Described UV sensor (10) can detect the ultraviolet light that electric arc sends, and insensitive to infrared ray and visible light; Simultaneously UV sensor (10) can also the responsive intensity of distinguishing electric arc, and be converted into electric signal; Described signal processing circuit board (11) can be exported the electric arc that detects respectively with digital electric signal and analog electrical signal.
6. fault electric arc according to claim 1 detects and positioning system, it is characterized in that: described aiding sensors (5.1,5.2 ..., 5.
t) total
tGroup, according to system scale,
tVariable sizeization, it comprises temperature sensor, humidity sensor, infrared sensor and sonac; Aiding sensors (5.1,5.2 ..., 5.
t) various physical phenomenons in the time of detecting fault electric arc and take place, to be used for judging whether the electric arc that produces in electrical equipment or the circuit is fault electric arc.
7. one kind is adopted the described fault electric arc detection of claim 1 and the fault electric arc of positioning system to detect and localization method, it is characterized in that comprising following operation steps: 1) electric arc probe and aiding sensors layout, 2) data-switching, 3) data fusion and location algorithm, 4) the man-machine interface demonstration.
8. fault electric arc according to claim 7 detects and localization method, it is characterized in that described step 1) electric arc probe and aiding sensors layout are two dimensional topology and three-dimensional layout; Two dimensional topology: electrical equipment or the positive suitably distance of circuit to required detection are laid an electric arc probe group, making the arc signal range of receiving of the electric arc probe of combining is a plurality of mutual overlapping circles, thereby form a plurality of different signal receiving areas, the big I of signal receiving area is adjusted by the probe tube (9) of each probe; Three-dimensional layout: on the basis of described two dimensional topology, the suitable distance in the side of required detection electrical equipment or circuit lay electric arc probe group more than two groups (4.1,4.2 ..., 4.
n), the arc signal receiving area that all electric arcs are popped one's head in is overlapping to be three dimensions; Described aiding sensors (5.1,5.2 ..., 5.
t) be used for judging whether the electric arc that detects is fault electric arc, every kind of aiding sensors (5.1,5.2 ..., 5.
t), in the electrical equipment of required detection or circuit zone, respectively lay one as temperature sensor, humidity sensor, infrared sensor and sonac etc.
9. fault electric arc according to claim 7 detects and localization method, it is characterized in that described step 2) data-switching: fault electric arc is popped one's head in (4.1.1,4.1.2 ..., 4.1.
m, 4.2.1,4.2.2 ..., 4.2.
m..., 4.
n.1,4.
n.2 ..., 4.
n.
m), aiding sensors (5.1,5.2 ..., 5.
t) survey convert the discernible signal of man-machine interface (1) to digital and analog signaling to through digital signal modular converter (2) and analog signal conversion module (3), for step 3) data fusion and location algorithm.
10. fault electric arc according to claim 7 detects and localization method, it is characterized in that described step 3) data fusion and location algorithm: when electric arc produces, at first by electric arc pop one's head in (4.1.1,4.1.2 ..., 4.1.
m, 4.2.1,4.2.2 ..., 4.2.
m..., 4.
n.1,4.
n.2 ..., 4.
n.
m), aiding sensors (5.1,5.2 ..., 5.
t) survey and generation numeral and analog electrical signal, then by digital signal modular converter (2) and analog signal conversion module (3) translation data, carry out the fuzzy reasoning blending algorithm again and take a decision as to whether fault electric arc, if big Zhi zone or space that the digital signal preliminary judgement fault electric arc that fault electric arc then obtains according to each electric arc probe takes place, the strength signal that obtains according to each electric arc probe is verified the accuracy of described preliminary judgement at last, thereby reaches more accurate localization fault electric arc.
11. fault electric arc according to claim 7 detects and localization method, it is characterized in that described step 4) man-machine interface shows: man-machine interface (1) shows that the position of the electric arc probe that whether produces fault electric arc and lay according to step 1) sets man-machine interface (1) and go up the search coverage that shows, the result who is obtained by step 3) data fusion and location algorithm demonstrates which zone or the space electric arc that breaks down in man-machine interface (1).
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| CN105425118A (en) * | 2015-10-29 | 2016-03-23 | 山东建筑大学 | Multi-information fusion fault arc detection method and device |
| CN106483426A (en) * | 2016-10-10 | 2017-03-08 | 杨勇 | Transmission open acess based on distributed monitoring electric arc and analysis of causes method |
| CN107064673A (en) * | 2017-03-30 | 2017-08-18 | 上海理工大学 | Electric arc detecting device and double-fed wind power generator electric brush slip ring protection system |
| CN108196170A (en) * | 2017-12-28 | 2018-06-22 | 河南理工大学 | A kind of fault electric arc detecting system and method |
| CN109390901A (en) * | 2017-08-03 | 2019-02-26 | 施耐德电器工业公司 | Internal arc means of defence, device and the electrical cabinet including it in distribution system |
| CN109444675A (en) * | 2018-12-31 | 2019-03-08 | 国家电网有限公司 | Transmission line malfunction monitors system |
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| CN111953297A (en) * | 2019-05-17 | 2020-11-17 | 汉能移动能源控股集团有限公司 | Arc fault detection positioning device and system |
| CN112858844A (en) * | 2019-11-27 | 2021-05-28 | 株洲中车时代电气股份有限公司 | Method and system for detecting direct current arc fault in photovoltaic system |
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