KR20200036128A - Auxiliary apparatus for cable fault diagnostic - Google Patents

Auxiliary apparatus for cable fault diagnostic Download PDF

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Publication number
KR20200036128A
KR20200036128A KR1020180114913A KR20180114913A KR20200036128A KR 20200036128 A KR20200036128 A KR 20200036128A KR 1020180114913 A KR1020180114913 A KR 1020180114913A KR 20180114913 A KR20180114913 A KR 20180114913A KR 20200036128 A KR20200036128 A KR 20200036128A
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South Korea
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housing
cable
terminal
diagnosing
auxiliary device
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KR1020180114913A
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Korean (ko)
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박종석
고경완
남승현
김정채
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한국전력공사
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Priority to KR1020180114913A priority Critical patent/KR20200036128A/en
Publication of KR20200036128A publication Critical patent/KR20200036128A/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
    • 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
    • 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
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58—Testing of lines, cables or conductors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/06—Cable terminating boxes, frames or other structures
    • H02G15/064—Cable terminating boxes, frames or other structures with devices for relieving electrical stress

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Relating To Insulation (AREA)

Abstract

The present invention relates to an auxiliary apparatus for diagnosing a cable defect, which comprises: a housing unit accommodating a terminating connection material surrounding a conductor portion of a cable; a cap unit accommodating a terminal portion positioned on an upper end of the terminating connection material, coupled to the terminal portion, and blocking a current leaked between the housing unit and the terminal portion; and a guard ring unit provided inside the housing unit so as to surround the circumference of the terminating connection material.

Description

케이블 결함 진단용 보조 장치{AUXILIARY APPARATUS FOR CABLE FAULT DIAGNOSTIC}Auxiliary device for diagnosing cable defects {AUXILIARY APPARATUS FOR CABLE FAULT DIAGNOSTIC}

본 발명은 케이블 결함 진단용 보조 장치에 관한 것으로, 지중 케이블의 VLF 진단 시험시 정확하고 신뢰도 높은 진단 결과가 도출될 수 있도록 하는 케이블 결함 진단용 보조 장치에 관한 것이다.The present invention relates to an auxiliary device for diagnosing a cable defect, and relates to an auxiliary device for diagnosing a cable defect that enables accurate and reliable diagnostic results to be derived when a VLF diagnosis test of an underground cable is performed.

일반적으로 지중 케이블의 고장 예방을 위해 신규로 가설되는 지중 케이블이나 운영중인 지중 케이블에 대해 VLF(Very Low Frquency) 진단 시험을 필수적으로 시행하고 있다.In general, to prevent failure of underground cables, VLF (Very Low Frquency) diagnostic tests are mandatory for newly installed underground cables or operating underground cables.

VLF 진단 시험은 AC전압과 0.01Hz ~ 1Hz 범위의 저주파수 대역 장비를 사용하며, 시험 대상 지중 케이블에 교류 전압을 인가하면 지중 케이블의 절연체로 인해 에너지 손실이 발생하여 절연체에는 충전전류(IC)와 손실전류(IR)의 합산전류가 흐르게 되므로, 완벽한 지중 케이블의 경우, 심선 도체부의 저항이 0(zero)에 가까워진다. 따라서 심선 도체부의 저항이 0에 가까운 일정 값 이하인 경우, 정상인 것으로 판단하고 있다.The VLF diagnostic test uses AC voltage and low-frequency band equipment in the range of 0.01 Hz to 1 Hz. When an AC voltage is applied to the underground cable under test, energy loss occurs due to the insulator of the underground cable. Since the total current of the current (IR) flows, in the case of a perfect underground cable, the resistance of the core conductor portion approaches zero. Therefore, when the resistance of the core conductor portion is equal to or less than a certain value close to 0, it is judged as normal.

VLF 진단 시험 결과에 따라 지중 케이블에 대한 교체 공사 여부를 판단하기 때문에, 정확하고 신뢰도 높은 시험이 필요하다.Accurate and reliable testing is necessary because it determines whether or not to replace the underground cable according to the VLF diagnostic test results.

하지만, 종래에는 작업 준비시간이 오래 걸리는 문제로 인해, 세척 작업과 가드링 결선 작업을 생략하고 VLF 진단 시험을 시행하여 착오 진단이 빈번히 발생하였고, 착오 진단으로 인해 지중 케이블 교체 작업이 이루어짐에 따라 막대한 비용손실이 발생하는 문제점이 있었다.However, in the past, due to the problem that it takes a long time to prepare for the operation, the cleaning operation and the guard ring connection operation are omitted, and the VLF diagnosis test is conducted to frequently cause aberration diagnosis. As a result of the error diagnosis, the underground cable replacement work is enormous. There was a problem of cost loss.

본 발명의 배경기술은 대한민국 등록특허공보 제10-1223883호(2013.01.11 등록, 발명의 명칭: 초저주파 탄델타 측정 데이터를 이용한 전력 케이블 상태 진단 장치 및 그 방법)에 게시되어 있다.Background art of the present invention is published in Republic of Korea Patent Publication No. 10-1223883 (2013.01.11 registered, the name of the invention: a device for diagnosing a power cable using ultra-low frequency tandelta measurement data and a method thereof).

본 발명은 상기와 같은 문제점을 개선하기 위해 창출된 것으로, 본 발명의 목적은 종단접속재 및 단자부를 감싸도록 하우징부와 캡부를 설치하여, 전류의 누설을 차단하고, 하우징부의 내측에 접지선이 연결된 가드링부를 설치하여 하우징부의 표면으로 누설되는 전류를 제거함으로써, 지중 케이블의 VLF 진단 시험시 정확하고 신뢰도 높은 진단 결과가 도출될 수 있도록 하는 케이블 결함 진단용 보조 장치를 제공하는 것이다.The present invention was created to improve the above problems, and the object of the present invention is to install a housing part and a cap part to enclose a terminal connection material and a terminal part, to prevent leakage of current, and to connect a ground wire inside the housing part. It is to provide an auxiliary device for diagnosing cable defects by installing a ring portion to remove a current leaking to the surface of the housing portion, so that an accurate and reliable diagnosis result can be obtained in a VLF diagnostic test of an underground cable.

본 발명에 따른 케이블 결함 진단용 보조 장치는: 케이블의 도체부를 감싸는 종단접속재를 수용하는 하우징부와, 종단접속재의 상단에 위치되는 단자부를 수용하고, 단자부에 결합되어, 하우징부와 단자부 사이로 누설되는 전류를 차단하는 캡부와, 종단접속재의 둘레를 감싸도록 하우징부의 내측에 마련되는 가드링부를 포함하는 것을 특징으로 한다.The auxiliary device for diagnosing a cable defect according to the present invention includes: a housing part accommodating a terminal connecting member surrounding a conductor part of a cable, a terminal part positioned at the upper end of the terminal connecting member, coupled to the terminal part, and leaking current between the housing part and the terminal part It characterized in that it comprises a cap portion for blocking, and a guard ring portion provided inside the housing portion so as to surround the circumference of the terminal connection material.

또한, 캡부는 실리콘 재질을 포함하여 이루어지고, 캡부의 내측에는 반도전성 부재가 코팅되는 것을 특징으로 한다.In addition, the cap portion is made of a silicon material, characterized in that the semi-conductive member is coated inside the cap portion.

또한, 캡부는 단자부의 하단부에 밀착되어 결합되는 것을 특징으로 한다.In addition, the cap portion is characterized in that it is in close contact with the lower end of the terminal portion.

또한, 하우징부는 고분자 폴리머 재질을 포함하여 이루어지는 것을 특징으로 한다.In addition, the housing portion is characterized in that it comprises a polymer polymer material.

또한, 하우징부의 외측에는 일정 거리 이격되어 형성되는 다수의 스커트가 형성되는 것을 특징으로 한다.In addition, it is characterized in that a plurality of skirts are formed spaced a predetermined distance outside the housing portion.

또한, 가드링부는 종단접속재와 하우징부에 각각 밀착되고, 가드링부에는 하우징부의 표면으로 누설되는 전류를 제거하는 접지선이 연결되는 것을 특징으로 한다.In addition, the guard ring portion is characterized in that the end connection material and the housing portion are in close contact with each other, and the guard ring portion is connected with a ground wire to remove the current leaking to the surface of the housing portion.

본 발명에 따른 케이블 결함 진단용 보조 장치는, 종단접속재 및 단자부를 감싸도록 하우징부와 캡부를 설치하여, 전류의 누설을 차단하고, 하우징부의 내측에 접지선이 연결된 가드링부를 설치하여 하우징부의 표면으로 누설되는 전류를 제거함으로써, 지중 케이블의 VLF 진단 시험시 정확하고 신뢰도 높은 진단 결과가 도출될 수 있게 된다.The auxiliary device for diagnosing a cable defect according to the present invention is provided with a housing part and a cap part so as to enclose a terminal connection material and a terminal part, thereby blocking leakage of current, and by installing a guard ring part connected with a ground wire inside the housing part, leaking to the surface of the housing part By removing the current, accurate and reliable diagnostic results can be obtained in the VLF diagnostic test of the underground cable.

도 1은 본 발명의 일 실시예에 따른 케이블 결함 진단용 보조 장치를 나타낸 도면이다.
도 2는 본 발명의 일 실시예에 따른 케이블 결함 진단용 보조 장치를 투과하여 나타낸 도면이다.1 is a view showing an auxiliary device for diagnosing a cable defect according to an embodiment of the present invention.
2 is a view showing through the auxiliary device for diagnosing a cable defect according to an embodiment of the present invention.

이하 첨부된 도면들을 참조하여 본 발명의 일 실시예에 따른 케이블 결함 진단용 보조 장치를 설명한다. 이 과정에서 도면에 도시된 선들의 두께나 구성요소의 크기 등은 설명의 명료성과 편의상 과장되게 도시되어 있을 수 있다.Hereinafter, an auxiliary device for diagnosing a cable defect according to an exemplary embodiment of the present invention will be described with reference to the accompanying drawings. In this process, the thickness of the lines or the size of components shown in the drawings may be exaggerated for clarity and convenience.

또한 후술되는 용어들은 본 발명에서의 기능을 고려하여 정의된 용어들로서, 이는 사용자, 운용자의 의도 또는 관례에 따라 달라질 수 있다. 그러므로 이러한 용어들에 대한 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것이다.In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or practice. Therefore, the definition of these terms should be made based on the contents throughout the present specification.

도 1은 본 발명의 일 실시예에 따른 케이블 결함 진단용 보조 장치를 나타낸 도면이며, 도 2는 본 발명의 일 실시예에 따른 케이블 결함 진단용 보조 장치를 투과하여 나타낸 도면이다.1 is a view showing an auxiliary device for diagnosing a cable defect according to an embodiment of the present invention, and FIG. 2 is a view showing through an auxiliary device for diagnosing a cable defect according to an embodiment of the present invention.

도 1 내지 도 2를 참조하면, 본 발명의 일 실시예에 따른 케이블 결함 진단용 보조 장치는 케이블(1)의 도체부(2)를 감싸는 종단접속재(10)를 수용하는 하우징부(100)와, 종단접속재(10)의 상단에 위치되는 단자부(3)를 수용하고, 단자부(3)에 결합되어, 하우징부(100)와 단자부(3) 사이로 누설되는 전류를 차단하는 캡부(200)와, 종단접속재(10)의 둘레를 감싸도록, 하우징부(100)의 내측에 마련되는 가드링부(300)를 포함한다.1 to 2, an auxiliary device for diagnosing a cable defect according to an embodiment of the present invention includes a housing part 100 accommodating a terminal connecting member 10 surrounding the conductor part 2 of the cable 1, A cap part 200 for accommodating the terminal part 3 located at the upper end of the terminal connecting material 10 and being coupled to the terminal part 3 to block current leaking between the housing part 100 and the terminal part 3, and termination To surround the circumference of the connecting member 10, it includes a guard ring portion 300 provided inside the housing portion 100.

종단접속재(10)는 케이블(1)의 도체부(2)를 감싸도록 설치되며, 케이블(1)이 설치된 설치 부재(20)에 고정된다.The terminal connecting member 10 is installed to surround the conductor portion 2 of the cable 1 and is fixed to the installation member 20 on which the cable 1 is installed.

종단접속재(10)는 원통형의 몸체(11)와 몸체(11)의 둘레에 몸체(11)보다 더 큰 직경으로 형성되고, 펼쳐진 우산 모양으로 이루어진 두 개 이상의 스커트(12)를 포함한다.The termination member 10 includes a cylindrical body 11 and two or more skirts 12 formed in a larger diameter than the body 11 around the body 11 and formed in an expanded umbrella shape.

VLF 진단 시험 장치(40)는 전류계(50)와, 고전압 전원공급장치(60)와, 교류 전원 인가부(70)를 포함한다.The VLF diagnostic test apparatus 40 includes an ammeter 50, a high voltage power supply 60, and an AC power applying unit 70.

고전압 전원공급장치(60)는 고전압 전선(80)을 매개로 단자부(3)와 연결되고, 전류계(50)는 테스트 전선(30)을 매개로 케이블(1)이 설치된 설치 부재(20)에 연결되며, 고전압 전선(80)에서 분기되는 가드링 전선(90)은 가드링부(300)에 연결된다.The high voltage power supply 60 is connected to the terminal part 3 via the high voltage wire 80, and the ammeter 50 is connected to the installation member 20 on which the cable 1 is installed via the test wire 30 And, the guard ring wire 90 branched from the high voltage wire 80 is connected to the guard ring part 300.

하우징부(100)는 종단접속재(10) 전체를 감쌀 수 있는 크기로 형성되며, 종단접속재(10)를 내부에 수용할 수 있는 대략의 원통 형상으로 이루어진다.The housing part 100 is formed to have a size that can wrap the entire terminal connection material 10, and is made of a substantially cylindrical shape that can accommodate the terminal connection material 10 therein.

하우징부(100)는 고분자 폴리머 재질을 포함하여 이루어지는 것이 바람직하며, 고분자 폴리머 재질을 포함하여 이루어짐으로써, 높은 절연성능과 발수성을 확보할 수 있다.The housing part 100 is preferably made of a polymer material made of polymer, and is made of a material made of polymer material to ensure high insulation performance and water repellency.

하우징부(100)는 원통형의 하우징 몸체(110)와, 하우징 몸체(110)의 둘레에 하우징 몸체(110)보다 더 큰 직경으로 형성되는 튜브 형상의 하우징 스커트(120)를 포함한다.The housing part 100 includes a cylindrical housing body 110 and a tube-shaped housing skirt 120 formed around a diameter of the housing body 110 with a larger diameter than the housing body 110.

하우징 스커트(120)는 종단접속재(10) 스커트(12)를 감싸는 형상으로 이루어지며, 종단접속재(10)의 스커트(12)로부터 누설되는 전류를 차단한다.The housing skirt 120 is made of a shape surrounding the skirt 12 of the termination member 10, and blocks current leaking from the skirt 12 of the termination member 10.

하우징 스커트(120)는 일정 거리 이격되어 형성됨으로써, 하우징 스커트(12)끼리의 표면 절연 거리가 확보될 수 있고, 이를 통해 절연 성능을 높일 수 있다.The housing skirt 120 is formed to be spaced apart from each other, so that the surface insulation distance between the housing skirts 12 can be secured, thereby improving insulation performance.

캡부(200)는 일측이 개구된 대략의 원통 형상으로 이루어지며, 실리콘 재질을 포함하여 이루어짐으로써, 케이블(1)의 단자부(3)가 외부로 노출되는 것을 방지하여 감전사고를 예방하고, 하우징부(100)와 단자부(3) 사이로 누설되는 전류를 차단한다.The cap part 200 is made of a substantially cylindrical shape with one side open, and is made of a silicon material to prevent the terminal part 3 of the cable 1 from being exposed to the outside to prevent an electric shock accident, and the housing part. The leakage current between the (100) and the terminal portion (3) is cut off.

캡부(200)의 내측에는 반도전성 부재(210)가 코팅되는 것이 바람직하다. 반도전성 부재(210)는 적당한 전기전도성을 유지하면서 캡부(200) 내부의 오염물질에 의한 누설을 방지하고 표면 누설 거리를 확보하도록 해주며, 외부의 불순물, 열, 전계 및 수분의 응집력에 반응성이 약하여 평등한 전계를 유지할 수 있도록 해준다. 따라서 케이블(1)의 도체부(2)에서 단자부(3)로 누설되는 전류를 차단하는 효과가 있으며, 이를 통해 LF 진단 시험시 착오 진단이 이루어지는 것을 방지할 수 있게 된다. It is preferable that the semi-conductive member 210 is coated inside the cap part 200. The semi-conductive member 210 prevents leakage due to contaminants inside the cap part 200 and maintains a surface leakage distance while maintaining proper electrical conductivity, and is reactive with cohesion of impurities, heat, electric field, and moisture from outside. It is weak, allowing it to maintain an equal electric field. Therefore, there is an effect of blocking the current that leaks from the conductor portion 2 of the cable 1 to the terminal portion 3, thereby making it possible to prevent an error diagnosis from being made during the LF diagnosis test.

반도전성 부재(210)는 반도전성 고분자 재질로 이루어질 수 있으며, 두께가 0.76mm이고, 일반 온도가 90℃이며, 순간 온도가 130℃인 온도 범위를 갖는 고분자 재질을 적용할 수 있다.The semi-conductive member 210 may be made of a semi-conductive polymer material, a thickness of 0.76 mm, a general temperature of 90 ° C., and a polymer material having a temperature range of instantaneous temperature of 130 ° C. may be applied.

또한, 반도전성 부재(210)는 폴리에틸렌계의 플라스틱 절연체와 카본블랙(Carbon Black)이라는 도전체를 혼합한 재질로 이루어질 수 있다. In addition, the semi-conductive member 210 may be made of a material in which a polyethylene-based plastic insulator and a conductor called carbon black are mixed.

캡부(200)는 단자부(3)의 하단부(31)에 밀착되어 결합되도록 형성되는 것이 바람직하며, 이처럼 밀착되어 결합됨으로써, 캡부(200)의 탈락을 방지할 수 있고, 보다 효과적인 절연이 이루어질 수 있게 된다.The cap portion 200 is preferably formed to be in close contact with the lower end portion 31 of the terminal portion 3, and by being in close contact with each other, the cap portion 200 can be prevented from falling off, and more effective insulation can be achieved. do.

가드링부(300)는 하우징부(100)의 내측에 설치되며, 구리 재질을 포함하여 이루어지며, 종단접속재(10)와 하우징부(100)에 각각 밀착된다.The guard ring part 300 is installed inside the housing part 100, is made of a copper material, and is in close contact with the terminal connecting member 10 and the housing part 100, respectively.

가드링부(300)는 하우징부(100)가 종단접속재(10)를 수용하도록 설치될 때, 종단접속재(10)의 최하단 스커트(12)에 접촉되며, 가드링부(300)에는 접지선(310)이 연결되어 하우징부(100)의 표면으로 누설되는 전류를 제거한다.Guard ring portion 300, when the housing portion 100 is installed to accommodate the terminal connecting member 10, is in contact with the bottom skirt 12 of the terminal connecting member 10, the guard ring 300 has a ground wire 310 It is connected to remove the current leaking to the surface of the housing portion 100.

따라서 가드링부(300)가 내장된 하우징부(100)를 종단접속재(10)를 감싸도록 설치하는 것만으로 가드링 작업이 이루어질 수 있게 된다. Therefore, it is possible to perform a guarding operation by simply installing the housing portion 100 having the guard ring portion 300 enclosed so as to surround the terminal connecting member 10.

이러한 가드링부(300)의 작용으로 인해, 하우징부(100)의 표면으로 누설되는 전류를 제거할 수 있게 됨으로써, VLF 진단 시험시 착오 진단이 이루어지는 것을 방지할 수 있게 된다. Due to the action of the guard ring part 300, it is possible to remove the current leaking to the surface of the housing part 100, thereby making it possible to prevent the error diagnosis from being made during the VLF diagnosis test.

상술한 바와 같이, 본 발명에 따르면 종단접속재 및 단자부를 감싸도록 하우징부와 캡부를 설치하여, 전류의 누설을 차단하고, 하우징부의 내측에 접지선이 연결된 가드링부를 설치하여 하우징부의 표면으로 누설되는 전류를 제거함으로써, 지중 케이블의 VLF 진단 시험시 정확하고 신뢰도 높은 진단 결과가 도출될 수 있게 된다.As described above, according to the present invention, the housing part and the cap part are installed to surround the terminal connection material and the terminal part to block current leakage, and a guard ring part connected to the ground wire is installed inside the housing part to leak current to the surface of the housing part. By removing, it is possible to derive an accurate and reliable diagnostic result in the VLF diagnostic test of the underground cable.

본 발명은 도면에 도시된 실시예를 참고로 하여 설명되었으나 이는 예시적인 것에 불과하며, 당해 기술이 속하는 분야에서 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 이해할 것이다. 따라서 본 발명의 진정한 기술적 보호범위는 아래의 특허청구범위에 의해서 정하여져야 할 것이다.The present invention has been described with reference to the embodiment shown in the drawings, but this is merely exemplary, and those skilled in the art to which the art belongs understand that various modifications and other equivalent embodiments are possible therefrom. will be. Therefore, the true technical protection scope of the present invention should be defined by the following claims.

1: 케이블 2: 도체부
3: 단자부 10: 종단접속재
11: 몸체 12: 스커트
20: 설치 부재 30: 테스트 전선
40: VLF 진단 시험 장치 50: 전류계
60: 고전압 전원공급장치 70: 교류전원 인가부
80: 고전압 전선 90: 가드링 전선
100: 하우징부 110: 하우징 몸체
120: 하우징 스커트 200: 캡부
210: 도전성 부재 300: 가드링부
310: 접지선1: Cable 2: Conductor
3: Terminal part 10: Termination connection material
11: body 12: skirt
20: mounting member 30: test wire
40: VLF diagnostic test device 50: ammeter
60: high voltage power supply 70: AC power supply
80: high voltage wire 90: guard wire
100: housing portion 110: housing body
120: housing skirt 200: cap portion
210: conductive member 300: guard ring portion
310: ground wire

Claims (6)

케이블의 도체부를 감싸는 종단접속재를 수용하는 하우징부;
상기 종단접속재의 상단에 위치되는 단자부를 수용하고, 상기 단자부에 결합되어, 상기 하우징부와 상기 단자부 사이로 누설되는 전류를 차단하는 캡부; 및
상기 종단접속재의 둘레를 감싸도록, 상기 하우징부의 내측에 마련되는 가드링부;
를 포함하는 것을 특징으로 하는 케이블 결함 진단용 보조 장치.
A housing part accommodating the terminal connecting material surrounding the conductor part of the cable;
A cap part accommodating the terminal part located at the upper end of the terminal connecting material, coupled to the terminal part, and blocking current leaking between the housing part and the terminal part; And
A guard ring portion provided inside the housing portion so as to surround the circumference of the terminal connection material;
Auxiliary device for diagnosing a cable defect comprising a.
제 1 항에 있어서,
상기 캡부는 실리콘 재질을 포함하여 이루어지고, 상기 캡부의 내측에는 반도전성 부재가 코팅되는 것을 특징으로 하는 케이블 결함 진단용 보조 장치.
According to claim 1,
The cap portion is made of a silicon material, the inside of the cap portion is a semi-conductive member is coated, characterized in that the auxiliary device for cable defect diagnosis.
제 2 항에 있어서,
상기 캡부는 상기 단자부의 하단부에 밀착되어 결합되는 것을 특징으로 하는 케이블 결함 진단용 보조 장치.
According to claim 2,
The cap portion is an auxiliary device for diagnosing a cable defect, characterized in that it is in close contact with the lower end of the terminal portion.
제 1 항에 있어서,
상기 하우징부는 고분자 폴리머 재질을 포함하여 이루어지는 것을 특징으로 하는 케이블 결함 진단용 보조 장치.
According to claim 1,
The housing unit is a secondary device for diagnosing a cable defect, characterized in that it comprises a polymer polymer material.
제 4 항에 있어서,
상기 하우징부의 외측에는 일정 거리 이격되어 형성되는 다수의 스커트가 형성되는 것을 특징으로 하는 케이블 결함 진단용 보조 장치.
The method of claim 4,
An auxiliary device for diagnosing a cable defect, characterized in that a plurality of skirts formed at a predetermined distance apart are formed outside the housing part.
제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 가드링부는 상기 종단접속재와 상기 하우징부에 각각 밀착되고, 상기 가드링부에는 상기 하우징부의 표면으로 누설되는 전류를 제거하는 접지선이 연결되는 것을 특징으로 하는 케이블 결함 진단용 보조 장치.
The method according to any one of claims 1 to 5,
The guard ring portion, the terminal connecting member and the housing portion are respectively in close contact, the guard ring portion auxiliary device for diagnosing a cable defect, characterized in that a ground wire is connected to remove the current leaking to the surface of the housing portion.
KR1020180114913A 2018-09-27 2018-09-27 Auxiliary apparatus for cable fault diagnostic KR20200036128A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240018799A (en) 2022-08-03 2024-02-14 한국전력공사 Supporting device for installing diagnosis equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240018799A (en) 2022-08-03 2024-02-14 한국전력공사 Supporting device for installing diagnosis equipment

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