CN114047404B - High-voltage cable accessory intermediate head and GIS's integrated test fixture - Google Patents
High-voltage cable accessory intermediate head and GIS's integrated test fixture Download PDFInfo
- Publication number
- CN114047404B CN114047404B CN202111309694.3A CN202111309694A CN114047404B CN 114047404 B CN114047404 B CN 114047404B CN 202111309694 A CN202111309694 A CN 202111309694A CN 114047404 B CN114047404 B CN 114047404B
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- Prior art keywords
- supporting seat
- joint
- upper side
- voltage lead
- gis
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 210000001503 joint Anatomy 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 230000000712 assembly Effects 0.000 claims abstract 5
- 238000000429 assembly Methods 0.000 claims abstract 5
- 239000004020 conductor Substances 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 9
- 238000004088 simulation Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 14
- 230000015556 catabolic process Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- 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
- G01R31/3272—Apparatus, systems or circuits therefor
- G01R31/3274—Details related to measuring, e.g. sensing, displaying or computing; Measuring of variables related to the contact pieces, e.g. wear, position or resistance
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses an integrated test fixture for a middle joint of a high-voltage cable accessory and a GIS (gas insulated switchgear), which belongs to the technical field of construction auxiliary devices and comprises a supporting seat, wherein one end of the supporting seat is provided with a high-voltage lead mechanism, the upper side of the supporting seat is provided with an electric sliding rail, the movable end of the electric sliding rail is provided with a plurality of movable blocks, the upper side of the supporting seat is provided with a connecting fixture, two ends of the connecting fixture are provided with joint assemblies, the outer side of the joint assemblies is provided with an automatic sleeving mechanism, the high-voltage lead mechanism is fixedly connected to one end of the supporting seat in a fixed mode, a joint bracket of the joint assemblies is used for fixing and controlling movement of a test cable, a manual control compression device is used for completing connection and fixation of a cone head and the cable, the connection between the high-voltage lead mechanism and a gas tank terminal can be completed by controlling the electric sliding rail to drive the joint bracket and the jacking frame to horizontally move, the difficulty that a person is difficult to install and take down a product on the cable by hand is solved, high-voltage lead of equipment or impact equipment can be simply switched, and the test items can be rapidly switched.
Description
Technical Field
The invention belongs to the technical field of high-voltage cable tests, and particularly relates to an integrated test fixture for a middle joint of a high-voltage cable accessory and a GIS.
Background
With the widespread use of XLPE cables, particularly in long-term operation of the cable in high-voltage lines, the cable equipment (including the body and accessories) is subject to factors such as electric fields, thermal effects, mechanical stresses, chemical corrosion, environmental conditions, etc., the performance of the cable and its accessories gradually deteriorates, and the time required for replacing the relevant equipment needs to be tested to determine, so that the cost is reduced as much as possible without affecting the normal operation.
The Chinese patent discloses (CN 106872830A) a high-voltage cable plug-in type middle joint for a test and a cable test device, wherein the high-voltage cable plug-in type middle joint for the test, a base and two metal platforms arranged on the base, the metal platforms can horizontally move relative to the base, and a fastener for fixing a cable is arranged on the metal platforms; the high-voltage cable plug-in type middle joint for the test is positioned between two metal platforms, a defect part is opened through the movable metal platforms, defect conditions are observed and adjusted, the plug-in type middle joint is integrally placed on a base, cables on two sides are respectively fixed on the two independent metal platforms capable of horizontally moving, plug-in operation can be carried out on corresponding cable conductors through the movable metal platforms, opening and closing of the defect part are realized, defects are observed and adjusted, the test is convenient to develop, but most of connection in the test process needs to be manually moved and connected, terminal connection is unstable and even impact damage can occur due to the proficiency of different operators, meanwhile, the connection mode is complex, the operation is complex when the test item needs to be switched, the efficiency is low, and the existing test tool needs to be improved due to the fact.
Disclosure of Invention
The invention aims at: in order to solve the problems of the traditional existing test equipment, unstable terminal connection and even impact damage of different operators are often caused due to insufficient proficiency, meanwhile, the connection mode is complex, the operation is complex when test items need to be switched, and the efficiency is low.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a high tension cable annex intermediate head, GIS's experimental frock of integral type, includes the supporting seat, supporting seat one end is equipped with high-voltage lead wire mechanism, the supporting seat upside is equipped with two electronic slide rails, electronic slide rail removes the end and is equipped with a plurality of movable blocks, the supporting seat upside is equipped with connects the frock, it is equipped with two joint assembly to connect the frock both ends, the supporting seat distal end is equipped with the gas pitcher, two the joint assembly outside is equipped with automatic cover and gets the mechanism, high-voltage lead wire mechanism uses fixed mode to connect and is fixed in supporting seat one end, gas pitcher fixed connection is in the movable block upside that is located the supporting seat distal end.
As a further description of the above technical solution: the high-voltage lead wire mechanism is fixed at one end of the supporting seat, the moving block of the electric sliding rail is used for controlling the movement of the connecting tool, the joint assembly and the air tank to complete the connection and separation among a plurality of devices, and meanwhile, the high-voltage lead wire mechanism is controlled to complete the test.
Further, the automatic sleeving mechanism comprises a jacking frame, the jacking frame is fixed on the upper side of the moving block, one side of the jacking frame is provided with a plurality of limiting telescopic rods, the distal ends of the limiting telescopic rods are respectively connected and fixed with the high-voltage lead wire mechanism and the air tank, one side of the jacking frame is provided with a compression device, and the outer side of the compression device is provided with a detachable conical head which is respectively communicated with the high-voltage lead wire mechanism and the air tank.
As a further description of the above technical solution: the movable block of the electric sliding rail is used for controlling the movement of the jacking frame, the compression device is used for completing connection and disassembly of the connection assembly and the conical head, and when the conical head is connected with and disassembled from the high-voltage lead mechanism and the air tank terminal, the movement of the jacking frame is controlled, so that the connection and disassembly are completed without manual control.
Further, the connection frock includes the linking bridge, the linking bridge is fixed in the movable block upside that is located the supporting seat middle part, the linking bridge upside is equipped with exhaust frock, joint assembly includes joint bracket, joint bracket is fixed in the movable block upside, joint bracket upside is equipped with detachable analog component, analog component includes hard shell, hard shell installs in joint bracket upside, the inside hard conductor that is equipped with of hard shell, the inside exhaust structure that is equipped with of hard shell, hard conductor length dimension customization wantonly, electronic slide rail carries out real-time control through the remote controller, the supporting seat shell is the metal material.
As a further description of the above technical solution: the electric sliding rail is used for moving the connecting tool, the movement of the target cable can be completed, the connection and the disassembly are further completed, the exhaust tool is used for connecting two hard conductors, and the internal air is exhausted during connection.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, the joint bracket of the joint assembly is used for fixing and moving the test cable, the manual control compression device is used for completing connection and fixing of the conical head and the cable, in the process of connecting the high-voltage lead mechanism and the gas tank terminal, the electric sliding rail is controlled to drive the joint bracket and the tightening frame to horizontally move, so that the connection of the high-voltage lead mechanism and the gas tank terminal can be completed, the difficulty that a person is difficult to install and remove a product on the cable manually is solved, the quick connection structure is used, the high-voltage lead of the pressure-resistant equipment or the impact equipment can be simply switched, and the test item can be quickly switched.
2. According to the invention, the simulation component is used for simulating a cable in a rod mode, conductors, insulation and length dimensions can be customized at will, cable simulation can be carried out on an accessory test, the problem that a short cable is difficult to purchase in the accessory test is solved, the rigid conductor solves the hidden danger of bending and creepage breakdown of the accessory after the common cable is repeatedly used, meanwhile, the hidden danger of nest gas creepage during joint installation is solved through an internal arrangement structure, and meanwhile, compared with a common tool, the hidden danger of creepage breakdown along the surface caused by incapability of exhausting internal air during joint product installation is solved through an exhaust tool.
3. According to the invention, the high-voltage lead wire mechanism is fixed at one end of the supporting seat by adopting a fixed design, and the design redesigns the mechanical structure, so that the cost is increased, but the abnormal discharge caused by the reciprocating motion of the lead wire end and the hidden danger of the test termination and troubleshooting of the abnormality are avoided, and when the test is carried out, two terminals and one middle joint are simultaneously tested, so that the lead wire lap joint partial discharge, the creepage hidden danger and the product assembly damage are improved.
Drawings
Fig. 1 is a schematic perspective view of an integrated test fixture for a middle connector and a GIS of a high-voltage cable accessory.
Fig. 2 is a schematic perspective view of a front view of an integrated test tool for a middle connector and a GIS of a high-voltage cable accessory.
Fig. 3 is a schematic perspective view of an automatic sleeving mechanism installed at one end of a high-voltage lead mechanism in an integrated test fixture for a middle joint and a GIS of a high-voltage cable accessory.
Fig. 4 is a schematic perspective view of a taper head in an automatic sleeving and taking mechanism entering into a terminal of a high-voltage lead mechanism in an integrated test fixture of a middle joint of a high-voltage cable accessory and a GIS.
Fig. 5 is a schematic plan view of a simulation assembly in an integrated test fixture for a middle connector and a GIS of a high-voltage cable accessory.
Fig. 6 is an enlarged schematic structural diagram of a position a in an integrated test fixture of a middle joint of a high-voltage cable accessory and a GIS.
Legend description:
1. a support base; 2. a high voltage lead wire mechanism; 3. an electric slide rail; 4. a moving block; 5. connecting a tool; 6. a joint assembly; 7. an automatic sleeving mechanism; 8. a pushing frame; 9. a limiting telescopic rod; 10. a gas tank; 11. a compression device; 12. a conical head; 13. a connecting bracket; 14. an exhaust tool; 15. a joint bracket; 16. a simulation component; 17. a hard outer shell; 18. a rigid conductor; 19. and (3) an exhaust structure.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides an integrated test fixture for a middle joint of a high-voltage cable accessory and a GIS, which comprises a supporting seat 1, wherein one end of the supporting seat 1 is provided with a high-voltage lead mechanism 2, the upper side of the supporting seat 1 is provided with two electric sliding rails 3, the movable end of each electric sliding rail 3 is provided with a plurality of movable blocks 4, the upper side of the supporting seat 1 is provided with a connecting fixture 5, two joint components 6 are arranged at two ends of the connecting fixture 5, the far end of the supporting seat 1 is provided with a gas tank 10, the outer sides of the two joint components 6 are provided with an automatic sleeving mechanism 7, the high-voltage lead mechanism 2 is fixedly connected with one end of the supporting seat 1 in a fixed mode, and the gas tank 10 is fixedly connected with the upper side of the movable block 4 positioned at the far end of the supporting seat 1;
referring to fig. 1-2, the specific embodiments thereof are as follows: the high-voltage lead wire mechanism 2 is fixed at one end of the supporting seat 1, the movement of the connecting tool 5, the joint assembly 6 and the gas tank 10 is controlled through the moving block 4 of the electric sliding rail 3, the connection and the separation among a plurality of devices are completed, meanwhile, the high-voltage lead wire mechanism 2 is controlled to complete the test, the labor intensity of operators is reduced without manual movement, the stability during connection is improved, synchronous observation is convenient, and meanwhile, the high-voltage lead wire mechanism 2 adopts a fixed connection mode, so that the abnormal discharge caused by the reciprocating movement of the lead wire end and the hidden trouble of the test termination and abnormality detection are avoided;
the automatic sleeving mechanism 7 comprises a jacking frame 8, the jacking frame 8 is fixed on the upper side of the movable block 4, one side of the jacking frame 8 is provided with a plurality of limiting telescopic rods 9, the distal ends of the limiting telescopic rods 9 are respectively connected and fixed with the high-voltage lead mechanism 2 and the air tank 10, one side of the jacking frame 8 is provided with a compression device 11, and the outer side of the compression device 11 is provided with a detachable conical head 12 which is respectively communicated with the high-voltage lead mechanism 2 and the air tank 10;
referring to fig. 3-4, the specific embodiments thereof are as follows: the movement of the jacking frame 8 is controlled by using the moving block 4 of the electric sliding rail 3, the connection and the disassembly of the connection assembly and the conical head 12 can be completed by using the compression device 11, the movement of the jacking frame 8 can be completed by controlling the terminal connection and the disassembly of the conical head 12, the manual control is not needed, the connection of the conical head 12 is only needed to be manually completed, the electric sliding rail 3 can be controlled to automatically sleeve and withdraw the conical head 12, the operation is simple, and the connection stability is high;
the connecting fixture 5 comprises a connecting bracket 13, the connecting bracket 13 is fixed on the upper side of a moving block 4 positioned in the middle of a supporting seat 1, an exhaust fixture 14 is arranged on the upper side of the connecting bracket 13, a joint assembly 6 comprises a joint bracket 15, the joint bracket 15 is fixed on the upper side of the moving block 4, a detachable simulation assembly 16 is arranged on the upper side of the joint bracket 15, the simulation assembly 16 comprises a hard outer shell 17, the hard outer shell 17 is arranged on the upper side of the joint bracket 15, a hard conductor 18 is arranged in the hard outer shell 17, an exhaust structure 19 is arranged in the hard outer shell 17, the length and the size of the hard conductor 18 are customized at will, an electric sliding rail 3 is controlled in real time through a remote controller, and the outer shell of the supporting seat 1 is made of metal;
referring to fig. 4-6, the specific embodiments are as follows: the electric sliding rail 3 is used for moving the connecting tool 5, the movement of the target cable can be completed, connection and disassembly are further completed, the exhaust tool 14 is used for completing connection of two hard conductors 18, internal air is discharged during connection, the hard conductors 18 solve hidden danger of bending and accessory creepage breakdown after common cables are repeatedly used, meanwhile, the internal arrangement structure solves hidden danger of nest gas creepage breakdown during joint installation, and meanwhile, the exhaust tool 14 is used for common tools, and hidden danger of creepage breakdown along the surface caused by internal air incapable of being discharged during joint product installation is solved.
Working principle: the high-voltage lead mechanism 2 is fixed in supporting seat 1 one end, the removal of frock 5 is connected through the movable block 4 control of electronic slide rail 3, connect subassembly 6 and gas pitcher 10, accomplish the connection and the separation between a plurality of devices, control high-voltage lead mechanism 2 simultaneously and can accomplish the test, need not move manually and reduce operating personnel intensity of labour, stability and be convenient for carry out synchronous observation when improving the connection simultaneously, the movable block 4 control of using electronic slide rail 3 pushes up the removal of tight frame 8, use compression device 11 can accomplish the connection and the dismantlement of switch-on subassembly and conical head 12, when carrying out conical head 12 and high-voltage lead mechanism 2 and gas pitcher 10 terminal connection and dismantlement, can accomplish through the removal of control pushing up tight frame 8, need not the manual control, can control electronic slide rail 3 and carry out the automatic cover awl of conical head 12 and get the awl, easy operation and connection stability are high, use electronic slide rail 3 to remove connection frock 5, can accomplish the removal of target cable, and then accomplish the connection and dismantlement, use exhaust frock 14 to accomplish the connection to two hard conductors 18, with inside air discharge, hard conductor 18 repeatedly, the electrical cable, when using ordinary electric connector, the end-to-bend electrical connector is used, the hidden danger is broken down when the ordinary electric connector is installed to the inside the electric connector is broken down, the hidden danger is solved simultaneously, the hidden danger is surging, and the hidden danger is discharged when the electric potential is broken down to the inside the electric air, and the electric connector is installed and is used to the inside the electric connector.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. High tension cable annex intermediate head, GIS's integrated test fixture, its characterized in that: the automatic lifting device comprises a supporting seat (1), wherein one end of the supporting seat (1) is provided with a high-voltage lead mechanism (2), the upper side of the supporting seat (1) is provided with two electric sliding rails (3), a plurality of moving ends of the electric sliding rails (3) are respectively provided with a moving block (4), the upper side of the supporting seat (1) is provided with a connecting tool (5), two ends of the connecting tool (5) are provided with two joint assemblies (6), the far end of the supporting seat (1) is provided with a gas tank (10), and the outer sides of the two joint assemblies (6) are provided with automatic sleeving mechanisms (7);
the high-voltage lead mechanism (2) is fixedly connected to one end of the supporting seat (1) in a fixed mode, and the gas tank (10) is fixedly connected to the upper side of the moving block (4) positioned at the far end of the supporting seat (1);
the automatic sleeving mechanism (7) comprises a jacking frame (8), the jacking frame (8) is fixed on the upper side of the moving block (4), one side of the jacking frame (8) is provided with a plurality of limiting telescopic rods (9), the far ends of the limiting telescopic rods (9) are respectively connected and fixed with the high-voltage lead mechanism (2) and the gas tank (10), one side of the jacking frame (8) is provided with a compression device (11), and the outer side of the compression device (11) is provided with a detachable conical head (12) which is respectively communicated with the terminals of the high-voltage lead mechanism (2) and the gas tank (10);
the connecting tool (5) comprises a connecting bracket (13), the connecting bracket (13) is fixed on the upper side of a moving block (4) positioned in the middle of the supporting seat (1), and an exhaust tool (14) is arranged on the upper side of the connecting bracket (13);
the joint assembly (6) comprises a joint bracket (15), the joint bracket (15) is fixed on the upper side of the moving block (4), and a detachable simulation assembly (16) is arranged on the upper side of the joint bracket (15);
the simulation assembly (16) comprises a hard outer shell (17), the hard outer shell (17) is arranged on the upper side of the joint bracket (15), and a hard conductor (18) is arranged inside the hard outer shell (17);
an exhaust structure (19) is arranged inside the hard outer shell (17).
2. The integrated test fixture for the middle connector and the GIS of the high-voltage cable accessories according to claim 1, wherein the internal materials, insulation and length dimensions of the rigid conductor (18) can be customized according to different requirements.
3. The integrated test fixture for the middle joint and the GIS of the high-voltage cable accessories according to claim 1, wherein the input end of the electric sliding rail (3) is electrically connected with the output end of the power supply through a lead, and the communication condition of the power supply is controlled in real time through a wireless remote controller.
4. The integrated test fixture for the middle joint and the GIS of the high-voltage cable accessories, as claimed in claim 1, is characterized in that the shell of the supporting seat (1) is made of metal, the shell is electrically connected with the ground through a wire, and a plurality of uniformly distributed universal wheels are arranged at the bottom of the supporting seat (1).
Priority Applications (1)
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CN202111309694.3A CN114047404B (en) | 2021-11-06 | 2021-11-06 | High-voltage cable accessory intermediate head and GIS's integrated test fixture |
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CN202111309694.3A CN114047404B (en) | 2021-11-06 | 2021-11-06 | High-voltage cable accessory intermediate head and GIS's integrated test fixture |
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CN114047404A CN114047404A (en) | 2022-02-15 |
CN114047404B true CN114047404B (en) | 2023-12-22 |
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CN208188160U (en) * | 2018-05-18 | 2018-12-04 | 任绍全 | Electric wire connecting junction is combined with European connect-disconnect plug high-tension cable pressure test |
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CN212364447U (en) * | 2020-04-07 | 2021-01-15 | 长缆电工科技股份有限公司 | 500kV and following cable accessories test device |
CN112908575A (en) * | 2021-03-02 | 2021-06-04 | 李学芹 | Equipment for automatically extracting cable core and removing oxide layer |
CN214236689U (en) * | 2020-12-30 | 2021-09-21 | 世帝保智能装备(苏州)有限公司 | Air cooling type welding gun stock connecting structure for machine |
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2021
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KR101238141B1 (en) * | 2011-11-15 | 2013-02-28 | 대한전선 주식회사 | Electric test device of epoxy insulator for joint box of ultar high voltage power cable |
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