CN114184880A - Transmission line fault remote tester - Google Patents
Transmission line fault remote tester Download PDFInfo
- Publication number
- CN114184880A CN114184880A CN202111359303.9A CN202111359303A CN114184880A CN 114184880 A CN114184880 A CN 114184880A CN 202111359303 A CN202111359303 A CN 202111359303A CN 114184880 A CN114184880 A CN 114184880A
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- Prior art keywords
- transmission line
- box body
- wall
- ring
- power transmission
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
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- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention belongs to the technical field of power maintenance, in particular to a remote tester for power transmission line faults, which aims at solving the problem that the existing signal transmission line is too long and inconvenient to retract. According to the invention, the accommodating grooves are formed in two ends of the other side of the box body, the rotating plates are rotatably arranged at the upper ends of the accommodating grooves, when a worker inserts the inserted rod wound with the signal wire between the two rotating plates, the inserted rod is stably rotatably arranged between the two rotating plates through the rotary connection of the positioning sleeve and the threaded outer ring and the magnetic core and the magnetic attraction of the inserted rod, so that the overlong signal wire is conveniently wound, and the problem that the signal wire is inconvenient to place and use in a messy manner is avoided.
Description
Technical Field
The invention relates to the technical field of power maintenance, in particular to a remote power transmission line fault tester.
Background
The power transmission line is realized by boosting the electric energy generated by the generator by a transformer and then connecting the electric energy to the power transmission line through control equipment such as a circuit breaker, and the power transmission line can be divided into an overhead power transmission line and a cable line according to the structural form; the basic process of power transmission is to create conditions for transmitting electromagnetic energy along the direction of a power transmission line, and the power transmission capacity of the line is governed by various laws of an electromagnetic field and a circuit; the test of cable faults is based on the principle that when electric waves are transmitted in a transmission line, the impedance of the line is not uniform, so that the reverse direction is generated.
The cable fault detector is a set of comprehensive cable fault detecting instrument, can test the faults of high resistance flashover fault, high and low resistance grounding, short circuit, disconnection of the cable, poor contact and the like of the cable, and has the excellent characteristics of complete functions, safe, rapid and accurate testing fault, high testing precision, high intelligent degree, waveform and parameter storage and calling functions, dual trace display function, waveform expansion proportion function, capability of randomly changing the position of a double cursor to directly display the direct distance or the relative distance between a fault point and a test point, capability of modifying the propagation speed at any time according to different tested cables, and small-size portable appearance; the existing remote tester for the transmission line fault has the problem that the signal transmission line is too long and inconvenient to receive and release.
Disclosure of Invention
Based on the technical problem that the existing signal transmission line is too long and inconvenient to retract and release, the invention provides a transmission line fault remote tester.
The invention provides a remote tester for power transmission line faults, which comprises a box body, wherein hydraulic columns are fixedly arranged on four sides of the bottom end inside the box body, a body is fixedly arranged at the top end of each hydraulic column, a rubber ring is fixedly arranged at the top end inside the box body, the body is positioned inside the rubber ring, two ends of the other side of the box body are respectively provided with a receiving groove, a rotating plate is rotatably arranged at the upper end of each receiving groove, an inserting rod is inserted between the two rotating plates, a signal wire is wound on the outer wall of the circumference of the inserting rod, one end of the circumference of the inserting rod is sleeved with a clamping ring, the tail end of the signal wire is fixedly connected with a test clamp, and the tail end of the signal wire is sleeved with a fixed frame.
Preferably, the case lid is installed in the rotation of case body one end top, and case lid inner wall fixed mounting has rubber core and silica gel circle, the rubber core is located the inside of silica gel circle, and the length of rubber core is greater than silica gel circle length.
Preferably, rubber circle circumference inner wall upper end is provided with the extension circle, and rubber circle circumference inner wall fixed mounting has a plurality of equidistant downward silica gel strips of slope.
Preferably, the upper end is provided with air inlet mechanism in box one side, and the air inlet mechanism outside is the metal interception net, and air inlet mechanism inboard is the ventilation hole of a plurality of equidistance downward sloping, and air inlet mechanism inboard fixed mounting has the filtration package, the equal fixed mounting of four side inner walls of box has a plurality of dry packages, box bottom outer wall fixed laminating has the heat dissipation film, and fixed mounting has the heat dissipation wing that is the rhombus array in the middle of the heat dissipation film, the heat dissipation wing runs through the box and extends to the inside lower extreme of box, box one end outer wall lower extreme fixed mounting has the fan.
Preferably, the display screen is installed to body top one side is inlayed, and the body opposite side has set gradually display lamp, knob, jack and function case.
Preferably, two the commentaries on classics board outside fixed mounting has the screw thread outer lane, and the inserted bar both ends are provided with the position sleeve, the fillet has been seted up in the position sleeve circumference outside, and the inside fixed mounting of position sleeve has the magnetic core, and the inside opening of position sleeve is provided with the screw thread inner circle, and the position sleeve rotates with the screw thread outer lane to be connected, and magnetic core and inserted bar magnetism are inhaled.
Preferably, the clamping ring is provided with a plurality of clamping grooves, and the clamping grooves are in a cam shape.
Preferably, inner wall one side fixed mounting has the cleaning brush about the fixed frame, and fixed mounting has first detection circle and second detection circle in proper order in the middle of the fixed frame is inside, and the cavity has been seted up to the inside one end of fixed frame, and has placed data analysis appearance inside the cavity.
Preferably, first detection circle inner wall one side fixed mounting has four distancers, and the space between four distancers can form the rectangle, first detection circle inner wall opposite side fixed mounting has a plurality of spacing elastic columns of angle such as, and second detection circle inner wall fixed mounting has a plurality of cable material probes of angle such as, distancer and cable material probe pass through wire electric connection with data analysis appearance.
The beneficial effects of the invention are as follows:
1. according to the remote tester for the transmission line fault, the accommodating grooves are formed in the two ends of the other side of the box body, the rotating plates are rotatably mounted at the upper ends of the accommodating grooves, when an operator inserts the insertion rod wound with the signal line between the two rotating plates, the insertion rod is stably rotatably mounted between the two rotating plates through the rotary connection of the positioning sleeve and the threaded outer ring and the magnetic attraction of the magnetic core and the insertion rod, the overlong signal line is conveniently wound, and the problem that the signal line is inconvenient to place and use in a messy mode is solved.
2. According to the remote tester for the power transmission line fault, the hydraulic columns are fixedly mounted on four sides of the bottom end inside the box body, so that the body can be conveniently lifted, the body is located inside the rubber ring, the influence of vibration of the outer wall of the box body on the body is effectively prevented, the upper end of the circumferential inner wall of the rubber ring is provided with the extension ring, the circumferential inner wall of the rubber ring is fixedly provided with a plurality of equidistant silica gel strips which incline downwards, so that the body is prevented from being lifted too fast due to resistance when lifted, the rubber core and the silica gel ring are fixedly mounted on the inner wall of the box cover, when the box cover is clamped with the box body, the rubber core is located inside the silica gel ring, the length of the rubber core is larger than that of the silica gel ring, the body is conveniently fixed, and the silica gel ring is in surface contact with the rubber ring and is not easy to shift.
3. According to the remote tester for the power transmission line fault, the air inlet mechanism, the fan and the heat dissipation fins are arranged in the box body, and the heat dissipation bottom sheet is arranged on the outer wall of the bottom end of the box body, so that heat generated by operation of the body can be timely discharged, the filtering bag is fixedly arranged on the inner side of the air inlet mechanism, air flow entering the box body is guaranteed to be clean and dry, and meanwhile, the drying bag is arranged on the inner wall of the box body, so that a drying environment in the box body is guaranteed.
4. According to the remote power transmission line fault tester provided by the invention, the clamping ring is provided with the plurality of cam-shaped clamping grooves, so that the tail end of the signal wire and the test clamp are clamped, and the damage caused by trampling when the test clamp is placed around is avoided.
5. According to the remote tester for the power transmission line fault, the cleaning brush is fixedly mounted on one side of the upper inner wall and the lower inner wall of the fixing frame, the first detection ring and the second detection ring are sequentially and fixedly mounted in the middle of the inside of the fixing frame, the fixing frame firstly erases bird feces, dust and other particulate matters on the surface of a cable, then the fixing frame is positioned through the limiting elastic column on the inner side of the first detection ring, the rectangular range finder can be formed through four spaces to measure the diameter of the cable, and cable parameters such as specification and material of the cable are detected and judged through the plurality of cable material probes on the inner side of the second detection ring, so that a worker can quickly obtain more effective data during detection and maintenance.
Drawings
Fig. 1 is a schematic structural diagram of a power transmission line fault remote tester provided by the invention;
fig. 2 is a schematic top view of a power transmission line fault remote tester inserted link according to the present invention;
fig. 3 is a schematic side view of a rotating plate of the remote power transmission line fault tester according to the present invention;
fig. 4 is a schematic structural diagram of a box body of the remote tester for power transmission line faults, which is provided by the invention;
fig. 5 is a schematic side view of a collar of a remote power transmission line fault tester according to the present invention;
fig. 6 is a schematic side view of a fixing frame of the remote power transmission line fault tester according to the present invention.
In the figure: 1 box cover, 2 rubber cores, 3 silica gel rings, 4 boxes, 5 display screens, 6 rubber rings, 7 rotating plates, 8 bodies, 9 silica gel strips, 10 accommodating grooves, 11 heat transfer fins, 12 fans, 13 hydraulic columns, 14 heat dissipation bottom plates, 15 drying bags, 16 air inlet mechanisms, 17 filtering bags, 18 inserting rods, 19 signal lines, 20 clamping rings, 21 fixing frames, 22 testing clamps, 23 positioning sleeves, 24 magnetic cores, 25 threaded inner rings, 26 threaded outer rings, 27 cleaning brushes, 28 limiting elastic columns, 29 first detecting rings, 30 cavities, 31 data analyzers, 32 distance meters, 33 cable material probes and 34 second detecting rings.
Detailed Description
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-6, a transmission line trouble remote tester, including box 4, four sides fixed mounting in the inside bottom of box 4 have hydraulic pressure post 13, and hydraulic pressure post 13 top fixed mounting has body 8, the inside top fixed mounting of box 4 has rubber circle 6, and body 8 is located the inside of rubber circle 6, the groove 10 has all been seted up and has been accomodate at 4 opposite side both ends of box, and accomodate the groove 10 upper end and rotate and install commentaries on classics board 7, it has inserted bar 18 to peg graft between two commentaries on classics boards 7, and the outer wall winding of 18 circumference of inserted bar has signal line 19, rand 20 has been cup jointed to 18 circumference one end of inserted bar, 19 end fixedly connected with test clip 22 of signal line, 19 tail ends of signal line have cup jointed fixed frame 21.
In the invention, the top of one end of a box body 4 is rotatably provided with a box cover 1, the inner wall of the box cover 1 is fixedly provided with a rubber core 2 and a silica gel ring 3, the rubber core 2 is positioned inside the silica gel ring 3, and the length of the rubber core 2 is greater than that of the silica gel ring 3;
an extension ring is arranged at the upper end of the circumferential inner wall of the rubber ring 6, and a plurality of equidistant silica gel strips 9 which are inclined downwards are fixedly arranged on the circumferential inner wall of the rubber ring 6;
an air inlet mechanism 16 is arranged at the middle upper end of one side of the box body 4, a metal intercepting net is arranged on the outer side of the air inlet mechanism 16, a plurality of equidistant downward-inclined vent holes are formed in the inner side of the air inlet mechanism 16, a filter bag 17 is fixedly installed on the inner side of the air inlet mechanism 16, a plurality of drying bags 15 are fixedly installed on the inner walls of four sides of the box body 4, a heat dissipation bottom plate 14 is fixedly attached to the outer wall of the bottom end of the box body 4, heat dissipation fins 11 in a diamond array are fixedly installed in the middle of the heat dissipation bottom plate 14, the heat dissipation fins 11 penetrate through the box body 4 and extend to the lower end of the inner part of the box body 4, and a fan 12 is fixedly installed at the lower end of the outer wall of one end of the box body 4;
a display screen 5 is embedded on one side of the top end of the body 8, and a display lamp, a knob, a jack and a functional case are sequentially arranged on the other side of the body 8;
the outer sides of the two rotating plates 7 are fixedly provided with threaded outer rings 26, two ends of the inserted rod 18 are provided with positioning sleeves 23, the outer sides of the circumferences of the positioning sleeves 23 are provided with fillets, magnetic cores 24 are fixedly arranged inside the positioning sleeves 23, threaded inner rings 25 are arranged in openings inside the positioning sleeves 23, the positioning sleeves 23 are rotatably connected with the threaded outer rings 26, and the magnetic cores 24 are magnetically attracted with the inserted rod 18;
the retainer ring 20 is provided with a plurality of clamping grooves which are in a cam shape;
a cleaning brush 27 is fixedly installed on one side of the upper and lower inner walls of the fixed frame 21, a first detection ring 29 and a second detection ring 34 are sequentially and fixedly installed in the middle of the inside of the fixed frame 21, a cavity 30 is formed in one end of the inside of the fixed frame 21, and a data analyzer 31 is placed in the cavity 30;
four range finders 32 are fixedly mounted on one side of the inner wall of the first detection ring 29, a rectangle can be formed in the space between the four range finders 32, a plurality of equiangular limiting elastic columns 28 are fixedly mounted on the other side of the inner wall of the first detection ring 29, a plurality of equiangular cable material probes 33 are fixedly mounted on the inner wall of the second detection ring 34, and the range finders 32, the cable material probes 33 and the data analyzer 31 are electrically connected through wires.
The working principle is as follows: the two ends of the other side of the box body 4 are provided with the accommodating grooves 10, the upper ends of the accommodating grooves 10 are rotatably provided with the rotating plates 7, when a worker inserts the inserted rod 18 wound with the signal wire 19 between the two rotating plates 7, the inserted rod 18 is stably and rotatably arranged between the two rotating plates 7 through the rotary connection of the positioning sleeve 23 and the threaded outer ring 26 and the magnetic core 24 and the magnetic attraction of the inserted rod 18, so that the overlong signal wire 19 is conveniently wound, and the problem that the signal wire 19 is inconvenient to place and use in a messy manner is avoided;
the hydraulic columns 13 are fixedly mounted on four sides of the bottom end inside the box body 4, the body 8 is convenient to lift, the body 8 is located inside the rubber ring 6, the influence of vibration of the outer wall of the box body 4 on the body 8 is effectively prevented, the upper end of the circumferential inner wall of the rubber ring 6 is provided with the extension ring, the circumferential inner wall of the rubber ring 6 is fixedly provided with a plurality of equidistant silica gel strips 9 which incline downwards, so that the problem that the body 8 is too fast to lift is solved due to resistance when the body 8 is lifted, the inner wall of the box cover 1 is fixedly provided with the rubber core 2 and the silica gel ring 3, when the box cover 1 is clamped with the box body 4, the rubber core 2 is located inside the silica gel ring 3, the length of the rubber core 2 is larger than that of the silica gel ring 3, the body 8 is convenient to fix, and the silica gel ring 3 is in surface contact with the rubber ring 6 and is not easy to shift;
an air inlet mechanism 16, a fan 12 and a heat dissipation fin 11 are arranged in the box body 4, and a heat dissipation bottom sheet 14 is arranged on the outer wall of the bottom end of the box body 4, so that heat generated by the operation of the body 8 is timely discharged, a filter bag 17 is fixedly arranged on the inner side of the air inlet mechanism 16, the air flow entering the box body 4 is ensured to be clean and dry, and meanwhile, a drying bag 15 is arranged on the inner wall of the box body 4, so that the drying environment in the box body 4 is ensured;
the clamping ring 20 is provided with a plurality of cam-shaped clamping grooves, so that the tail end of the signal wire 19 and the test clamp 22 are clamped, and the damage caused by trampling when the test clamp 22 is placed at four positions is avoided;
there is cleaning brush 27 through fixed mounting of inner wall one side about fixed frame 21, fixed frame 21 is inside in the middle of fixed mounting in proper order there are first detection circle 29 and second detection circle 34, fixed frame 21 is earlier with the bird dung on cable surface, particulate matter such as dust is erased, the spacing elastic column 28 of first detection circle 29 inboard is fixed a position again, distancer 32 through the space between four that can form the rectangle surveys the cable diameter, detect cable parameters such as the specification material of judgement cable through a plurality of cable material probes 33 of second detection circle 34 inboard, make the staff obtain more effective data fast when detecting the maintenance.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. A remote tester for power transmission line faults comprises a box body (4) and is characterized in that hydraulic columns (13) are fixedly arranged on four sides of the bottom end inside the box body (4), the top end of the hydraulic column (13) is fixedly provided with a body (8), the top end inside the box body (4) is fixedly provided with a rubber ring (6), the body (8) is positioned inside the rubber ring (6), the two ends of the other side of the box body (4) are both provided with a containing groove (10), the upper end of the accommodating groove (10) is rotatably provided with a rotating plate (7), an inserting rod (18) is inserted between the two rotating plates (7), and the outer wall of the circumference of the inserted link (18) is wound with a signal wire (19), one end of the circumference of the inserted link (18) is sleeved with a clamping ring (20), the tail end of the signal wire (19) is fixedly connected with a test clamp (22), and the tail end of the signal wire (19) is sleeved with a fixing frame (21).
2. The remote tester for power transmission line faults as claimed in claim 1, wherein the top of one end of the box body (4) is rotatably provided with the box cover (1), the inner wall of the box cover (1) is fixedly provided with the rubber core (2) and the silica gel ring (3), the rubber core (2) is positioned in the silica gel ring (3), and the length of the rubber core (2) is greater than that of the silica gel ring (3).
3. The remote tester for power transmission line faults as claimed in claim 1, wherein the upper end of the circumferential inner wall of the rubber ring (6) is provided with an extension ring, and the circumferential inner wall of the rubber ring (6) is fixedly provided with a plurality of equidistant silica gel strips (9) which are inclined downwards.
4. The transmission line fault remote tester of claim 1, wherein the upper end of one side of the box body (4) is provided with an air inlet mechanism (16), the outer side of the air inlet mechanism (16) is provided with a metal interception net, the inner side of the air inlet mechanism (16) is provided with a plurality of equidistant downward-inclined vent holes, the inner side of the air inlet mechanism (16) is fixedly provided with a filter bag (17), the inner walls of four sides of the box body (4) are fixedly provided with a plurality of drying bags (15), the outer wall of the bottom end of the box body (4) is fixedly attached with a heat dissipation bottom sheet (14), the middle of the heat dissipation bottom sheet (14) is fixedly provided with a heat dissipation fin (11) in a diamond array, the heat dissipation fin (11) penetrates through the box body (4) and extends to the lower end inside the box body (4), and the lower end of the outer wall of one end of the box body (4) is fixedly provided with a fan (12).
5. The remote tester for power transmission line faults as claimed in claim 1, wherein a display screen (5) is embedded on one side of the top end of the body (8), and a display lamp, a knob, a jack and a functional case are sequentially arranged on the other side of the body (8).
6. The remote tester for power transmission line faults as claimed in claim 1, wherein threaded outer rings (26) are fixedly mounted on the outer sides of the two rotating plates (7), positioning sleeves (23) are arranged at two ends of the inserted rod (18), fillets are arranged on the outer sides of the circumferences of the positioning sleeves (23), magnetic cores (24) are fixedly mounted inside the positioning sleeves (23), threaded inner rings (25) are arranged at openings inside the positioning sleeves (23), the positioning sleeves (23) are rotatably connected with the threaded outer rings (26), and the magnetic cores (24) are magnetically attracted with the inserted rod (18).
7. The remote tester for power transmission line faults as claimed in claim 1, wherein the clamping ring (20) is provided with a plurality of clamping grooves, and the clamping grooves are cam-shaped.
8. The remote tester for power transmission line faults as claimed in claim 1, wherein a cleaning brush (27) is fixedly mounted on one side of the upper inner wall and the lower inner wall of the fixing frame (21), a first detection ring (29) and a second detection ring (34) are sequentially and fixedly mounted in the middle of the inside of the fixing frame (21), a cavity (30) is formed in one end of the inside of the fixing frame (21), and a data analyzer (31) is placed inside the cavity (30).
9. The remote tester for power transmission line faults of claim 8, wherein four distance measuring instruments (32) are fixedly mounted on one side of the inner wall of the first detection ring (29), spaces among the four distance measuring instruments (32) can form a rectangle, a plurality of equiangular limiting elastic columns (28) are fixedly mounted on the other side of the inner wall of the first detection ring (29), a plurality of equiangular cable material probes (33) are fixedly mounted on the inner wall of the second detection ring (34), and the distance measuring instruments (32), the cable material probes (33) and the data analyzer (31) are electrically connected through conducting wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111359303.9A CN114184880A (en) | 2021-11-17 | 2021-11-17 | Transmission line fault remote tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111359303.9A CN114184880A (en) | 2021-11-17 | 2021-11-17 | Transmission line fault remote tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114184880A true CN114184880A (en) | 2022-03-15 |
Family
ID=80602157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111359303.9A Withdrawn CN114184880A (en) | 2021-11-17 | 2021-11-17 | Transmission line fault remote tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114184880A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797589A (en) * | 2022-05-20 | 2022-07-29 | 泰州职业技术学院 | Insulin pen shakes even device |
| CN116930663A (en) * | 2023-08-02 | 2023-10-24 | 北京住总第一开发建设有限公司 | Electrical circuit fault detector |
| CN117890729A (en) * | 2024-03-18 | 2024-04-16 | 国网吉林省电力有限公司白城供电公司 | Line fault removal positioning system and method for wind power grid connection |
-
2021
- 2021-11-17 CN CN202111359303.9A patent/CN114184880A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797589A (en) * | 2022-05-20 | 2022-07-29 | 泰州职业技术学院 | Insulin pen shakes even device |
| CN116930663A (en) * | 2023-08-02 | 2023-10-24 | 北京住总第一开发建设有限公司 | Electrical circuit fault detector |
| CN116930663B (en) * | 2023-08-02 | 2024-03-26 | 北京住总第一开发建设有限公司 | Electrical circuit fault detector |
| CN117890729A (en) * | 2024-03-18 | 2024-04-16 | 国网吉林省电力有限公司白城供电公司 | Line fault removal positioning system and method for wind power grid connection |
| CN117890729B (en) * | 2024-03-18 | 2024-05-17 | 国网吉林省电力有限公司白城供电公司 | Line fault removal positioning system and method for wind power grid connection |
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Application publication date: 20220315 |